Peer-reviewed publications from the Applied Biodiversity Laboratory
covering plant genomics, biodiversity, phytochemistry,
bioenergy and environmental biotechnology.
* Corresponding author
Journal Paper
Chetri, B. K., Mitra, S., Rangan, L. (2026). Nuclear DNA content as a genomic resource for conservation and utilization of medicinal plants in Bhutan. Journal of Applied Research on Medicinal and Aromatic Plants, 100696. https://doi.org/10.1016/j.jarmap.2026.100696
Sonu, S., Rangan, L.* (2025). Amaranth: From Aztec tradition to climate-smart agriculture—Examining genetic resources, nutritional benefits, and resilience: A review. European Journal of Agronomy, 173, 127892. https://doi.org/10.1016/j.eja.2025.127892
Idrishi, R., Singha, S., Rangan, L.* (2025). Effect of parboiling on black rice landraces from Assam and Manipur, India: Quality characterization, comparison, optimization, and correlation. International Journal of Food Engineering, 21(12), 861–883.
Chetri, B. K., Rana, M. S., Wangdi, P., Penjor, D., Mitra, S., Rangan, L.* (2025). Ethnobotanical documentation and usage pattern of medicinal plants in the southern and southeastern foothills of Bhutan. Journal of Herbal Medicine, 101080. https://doi.org/10.1016/j.hermed.2025.101080
Ghose, A., Gupta, D., Nuzelu, V., Rangan, L., Mitra, S. (2025). Biocatalytic degradation of fluoroquinolone antibiotics in wastewater using laccase immobilized on spent mushroom waste biochar. Biocatalysis and Agricultural Biotechnology, 103834. https://doi.org/10.1016/j.bcab.2025.103834
Senapati, A., Gupta, D., Chetri, B. K., Gujre, N., Mitra, S., Rangan, L.* (2025). Linking genome size to life-form and community structure in a semi-natural landscape from Northeast India. Protoplasma. https://doi.org/10.1007/s00709-025-02119-0
Chetri, B. K., Senapati, A., Shelke, R. G., Mitra, S., Rangan, L.* (2025). Deciphering the plastome of Bergenia ciliata: Comprehensive analysis of structure, codon usage pattern, and phylogenetic relationships within Saxifragaceae. Acta Physiologia Plantarum. https://doi.org/10.1007/s11738-025-03834-0
Banerjee, R., Rangan, L.*, et al. (2025). Transporters as therapeutic targets against cancer: Current and future perspectives. International Journal of Biological Macromolecules, 146695. https://doi.org/10.1016/j.ijbiomac.2025.146695
Chetri, B. K., Sonu, S., Shelke, R. G., Mitra, S., Rangan, L.* (2025). Comparative plastome genomics of Thladiantha cordifolia: Resolving Cucurbitaceae phylogeny and structural evolution through ortholog and protein-coding gene analyses. Genetic Resources and Crop Evolution. https://doi.org/10.1007/s10722-025-02579-6
Ahari, D., Sahil, K., Kaushal, S., Sharma, A., Rangan, L., Swaminathan, R. (2025). Structural transitions of dehydrin in response to temperature, the presence of TFE, SDS, and its protective role in heat and cold stress. Biochemistry. https://doi.org/10.1021/acs.biochem.5c00222
Sharma, L. G., Sanjana, S., Rangan, L., Pandey, L. M. (2025). Modulation of thermomechanical-induced albumin aggregation by extracts of Centella asiatica. BBA - Proteins and Proteomics. https://doi.org/10.1016/j.bbapap.2025.141088
Chetri, B. K., Sonu, S., Dierckxsens, N., Mitra, S., Rangan, L.* (2025). Insights into Cucurbitaceae mitogenomes: Gene length variation, correlation features, and phylogenetic relationship. Journal of Plant Biochemistry and Biotechnology. https://doi.org/10.1007/s13562-025-00992-7
Chetri, B. K., Sonu, S., Shelke, R. G., Mitra, S., Rangan, L.* (2025). Plastome rearrangements in Thladiantheae species: Unveiling the role of inversions in adaptation and evolution. Tropical Plant Biology, 18(1), 1–14.
Chetri, B. K., Sonu, S., Shelke, R. G., Mitra, S., Rangan, L.* (2025). De novo plastome analysis of Elsholtzia blanda and comparative insights across the Elsholtzia genus. National Academy Science Letters. https://doi.org/10.1007/s40009-025-01633-2
Chetri, B. K., Sonu, S., Shelke, R. G., Dierckxsens, N., Mitra, S., Rangan, L.* (2025). The evolutionary landscape of mitogenomes: Insights from Elsholtzia blanda and comparative analysis of ten related species. Ecological Genetics and Genomics. https://doi.org/10.1016/j.egg.2025.100328
Bintee, B., Rangan, L.*, et al. (2024). Exploring bile acid transporters as key players in cancer development and treatment: Evidence from preclinical and clinical studies. Cancer Letters, 217324. https://doi.org/10.1016/j.canlet.2024.217324
Singh, R., Kumar, S., Rangan, L.* (2024). Pongamia pinnata L. seed-derived karanjin as a prominent antiviral agent against Newcastle disease virus. Virology. https://doi.org/10.1016/j.virol.2024.110272
Chetri, B. K., Sonu, S. S., Shelke, R. G., Mitra, S., Rangan, L.* (2024). De novo sequencing of Drymaria villosa and comparative analysis of plastome in Caryophyllaceae across 23 species. Molecular Biotechnology, 67, 4141–4149. https://doi.org/10.1007/s12033-024-01317-0
Chetri, B. K., Senapati, A., Shelke, R. G., Mitra, S., Rangan, L.* (2024). Untangling the evolutionary tapestry: Plastome insights unveiled from Sieruela rutidosperma to Cleomaceae. Biology Bulletin (Russian Academy of Sciences), 51(Suppl. 1), S44–S51. https://doi.org/10.1134/S1062359024608152
Chetri, B. K., Senapati, A., Shelke, R. G., Mitra, S., Rangan, L.* (2024). Phylogenetic exploration, codon usage bias, and genomic divergence in Hydrocotyle: A comparative plastome study across different geographical locations. Genetica. https://doi.org/10.1007/s10709-024-00213-4
Bhatt, G., Singh, A., Panda, A. K., Mitra, S., Rangan, L.* (2024). Glabrin from Pongamia pinnata: Structural insights and antibacterial potential. National Academy Science Letters. https://doi.org/10.1007/s40009-024-01429-w
Ghose, A., Nuzelu, V., Gupta, D., Kimoto, H., Takashima, S., Harlin, E. W., Sonu, S. S., Ueda, H., Koketsu, M., Rangan, L.*, Mitra, S. (2024). Micropollutants (ciprofloxacin and norfloxacin) remediation from wastewater through laccase derived from spent mushroom waste: Fate, toxicity, and degradation. Journal of Environmental Management, 366, 121857. https://doi.org/10.1016/j.jenvman.2024.121857
Das, A., Saha, M., Gupta, M. K., Rangan, L., Uppaluri, R., Das, C. (2024). Comparative efficacy of citric acid/tartaric acid/malic acid additive-based polyvinyl alcohol–starch composite films. Journal of Materials Science: Materials in Engineering, 19, 9. https://doi.org/10.1186/s40712-024-00151-1
Idrishi, R., Singha, S., Rangan, L.* (2024). Quality characterization, variety discrimination, and correlations amongst twelve landraces of black rice of Assam and Manipur, India. Journal of Food Composition and Analysis, 106182. https://doi.org/10.1016/j.jfca.2024.106182
Bhatt, G., Rangan, L., Limaye, A. M. (2024). Karanjin alters gene expression through ERα: A preliminary study. bioRxiv, 584382. https://doi.org/10.1101/2024.584382
Gupta, M. K., Sanjana, S., Rangan, L.* (2024). 3,5-dihydroxy-4′,7-dimethoxyflavone–DNA interaction study for nucleic acid detection and differential cell staining. International Journal of Biological Macromolecules. https://doi.org/10.1016/j.ijbiomac.2024.129713
Bhatt, G., Limaye, A. M., Rangan, L.* (2023). Phytochemicals: A natural prospect toward healthcare—A tryst with karanjin. Proceedings of the National Academy of Sciences India, Section B: Biological Sciences, 95, 1–7. https://doi.org/10.1007/s40011-024-01557-9
Sanjana, S., Singh, R., Rangan, L., Swaminathan, R. (2023). Enhanced electronic absorption and solubility of mammeigin in aqueous micelles and protein aggregate solutions compared to water. Journal of Molecular Liquids. https://doi.org/10.1016/j.molliq.2023.122510
Senapati, A., Chetri, B. K., Mitra, S., Shelke, R. G., Rangan, L.* (2023). Decoding the complete chloroplast genome of Cissus quadrangularis: Insights into molecular structure, comparative genome analysis, and mining of mutational hotspot regions. Physiology and Molecular Biology of Plants. https://doi.org/10.1007/s12298-023-01312-w
Ghose, A., Gupta, D., Nuzelu, V., Rangan, L., Mitra, S. (2023). Optimization of laccase enzyme extraction from spent mushroom waste of Pleurotus florida through ANN–PSO modeling: An ecofriendly and economical approach. Environmental Research, 115345. https://doi.org/10.1016/j.envres.2023.115345
Debeni Devi, N., Mukherjee, C., Bhatt, G., Rangan, L., Goud, V. V. (2022). Co-cultivation of microalgae–cyanobacterium under various nitrogen and phosphorus regimes to concurrently improve biomass, lipid accumulation, and easy harvesting. Biochemical Engineering Journal, 188, 108706. https://doi.org/10.1016/j.bej.2022.108706
Borah, P., Rene, E. R., Rangan, L., Mitra, S. (2022). Phytoremediation of nickel and zinc using Jatropha curcas and Pongamia pinnata from soils contaminated by municipal solid wastes and paper mill wastes. Environmental Research, 219, 115055. https://doi.org/10.1016/j.envres.2022.115055
Shelke, R. G., Rangan, L.* (2022). The whole chloroplast genome of Mesua ferrea: Insight into the dynamic pattern of evolution and its comparison with species from recently diverged families. Gene, 146866. https://doi.org/10.1016/j.gene.2022.146866
Gupta, M. K., Singh, R., Rangan, L.* (2022). Phytochemical screening, antibacterial, anti-biofilm, and quorum sensing inhibiting activity of Alpinia nigra leaf extract against infectious pathogen Pseudomonas aeruginosa PAO1. Food Control, 109327. https://doi.org/10.1016/j.foodcont.2022.109327
Mukherjee, P., Mondal, I. H., Rangan, L., Uppaluri, R. (2022). RSM-based optimal drying parameters of unripe papaya (Carica papaya L.). Materials Today: Proceedings. https://doi.org/10.1016/j.matpr.2022.06.35
Bhatt, G., Gupta, A., Rangan, L., Limaye, A. M. (2022). Global transcriptome analysis reveals partial estrogen-like effects of karanjin in MCF-7 breast cancer cells. Gene, 830, 146507. https://doi.org/10.1016/j.gene.2022.146507
Gupta, M. K., Chiranjivi, A. K., Dutta, T., Dubey, V. K., Rangan, L.* (2022). Synthesis and characterization of 3,5-dihydroxy-4′,7-dimethoxyflavone–zinc derivatized compound against leishmaniasis. BioMetals. https://doi.org/10.1007/s10534-022-00364-x
Mondal, I. H., Rangan, L., Uppaluri, R. (2022). Tray drying characteristics of Musa splendida and Musa balbisiana Colla pseudo-stem. Journal of Thermal Analysis and Calorimetry. https://doi.org/10.1007/s10973-021-11183-6
Senapati, A., Basak, S., Rangan, L.* (2021). A review on application of DNA barcoding technology for rapid molecular diagnostics of adulterants in herbal medicine. Drug Safety. https://doi.org/10.1007/s40264-021-01133-4
Sahu, S., Rajbonshi, M. P., Gujre, N., Gupta, M. K., Shelke, R. G., Ghose, A., Rangan, L., Pakshirajan, K., Mitra, S. (2021). Bacterial strains found in soils of a municipal solid waste dumping site facilitate phosphate solubilization along with cadmium remediation. Chemosphere, 273, 132320. https://doi.org/10.1016/j.chemosphere.2021.132320
Gupta, M. K., Sanjana, S., Chiranjivi, A. K., Banik, K., Girisa, S., Kunnumakkara, A. B., Dubey, V. K., Rangan, L.* (2021). Anti-inflammatory and anti‑tyrosinase activity of 3,5-dihydroxy-4′,7-dimethoxyflavone isolated from the leaves of Alpinia nigra. Phytomedicine Plus, 1(3), 100097. https://doi.org/10.1016/j.phyplu.2021.100097
Mitra, S., Ghose, A., Gujre, N., Sanjana, S., Borah, P., Paul, A., Rangan, L. (2021). A review on environmental and socioeconomic perspectives of three promising biofuel plants: Jatropha curcas, Pongamia pinnata, and Mesua ferrea. Biomass and Bioenergy, 151, 106173. https://doi.org/10.1016/j.biombioe.2021.106173
Gujre, N., Agnihotri, R., Rangan, L., Sharma, M. P., Mitra, S. (2021). Deciphering the dynamics of glomalin and heavy metals in soils contaminated with hazardous municipal solid wastes. Journal of Hazardous Materials, 416, 125869. https://doi.org/10.1016/j.jhazmat.2021.125869
Singh, A., Ansari, M. Z., Sanjana, S., Rangan, L., Swaminathan, R. (2021). Enhanced solubility, electronic absorption, and fluorescence of karanjin in aqueous SDS micelles compared to water. Journal of Photochemistry and Photobiology A: Chemistry, 419, 113289. https://doi.org/10.1016/j.jphotochem.2021.113289
Gujre, N., Rangan, L., Mitra, S. (2021). Occurrence, geochemical fraction, ecological, and health risk assessment of cadmium, copper, and nickel in soils contaminated with municipal solid wastes. Chemosphere, 271, 129573. https://doi.org/10.1016/j.chemosphere.2021.129573
Singh, A., Bhatt, G., Gujre, N., Mitra, S., Swaminathan, R., Limaye, A. M., Rangan, L.* (2021). Karanjin. Phytochemistry. https://doi.org/10.1016/j.phytochem.2020.112641
Shelke, R. G., Basak, S., Rangan, L.* (2020). Development of EST-SSR markers for Pongamia pinnata by transcriptome database mining: Cross-species amplification and genetic diversity. Physiology and Molecular Biology of Plants, 26, 2225–2241. https://doi.org/10.1007/s12298-020-00889-w
Chakrabartty, I., Kalita, N. J., Katiyar, V., Hakeem, K. R., Rangan, L.* (2020). Physico-rheological characterization of organically derived seed samples from Alpinia nigra, an ethnic medicinal plant of Northeast India. Industrial Crops and Products, 152, 112560. https://doi.org/10.1016/j.indcrop.2020.112560
Mondal, I. H., Rangan, L., Uppaluri, R. (2020). A robust and novel methodology for optimal targeting of leafy vegetable mix soup formulations. LWT - Food Science and Technology, 132, 110152. https://doi.org/10.1016/j.lwt.2020.110152
Mondal, I. H., Rangan, L., Uppaluri, R. (2020). Process–product characteristics of tray-dried Benincasa hispida. Journal of Food Processing and Preservation. https://doi.org/10.1111/jfpp.14697
Gujre, N., Mitra, S., Soni, A., Agnihotri, R., Rangan, L., Rene, E. R., Sharma, M. P. (2020). Speciation, contamination, ecological, and human health risk assessment of heavy metals in soils dumped with municipal solid wastes. Chemosphere, 249, 128013. https://doi.org/10.1016/j.chemosphere.2020.128013
Gujre, N., Soni, A., Rangan, L., Tsang, D. C. W., Mitra, S. (2020). Sustainable improvement of soil health utilizing biochar and arbuscular mycorrhizal fungi: A review. Environmental Pollution, 263, 115549. https://doi.org/10.1016/j.envpol.2020.115549
Mondal, I. H., Rangan, L., Uppaluri, R. (2020). Parametric optimality of tray-dried Musa balbisiana Colla blossom. Journal of Food Science and Technology, 57, 3791–3802. https://doi.org/10.1007/s13197-020-04498-z
Mondal, I. H., Rangan, L., Uppaluri, R. (2020). Symphony of kinetics and statistical design approaches for response analysis during tray drying of Lagenaria siceraria leaves. Journal of Thermal Analysis and Calorimetry, 140, 2179–2190. https://doi.org/10.1007/s10973-020-09782-w
Das, R., Rangan, L.* (2020). Correlation of genome size with cell phenotypic traits in non-edible oil crops. Acta Physiologiae Plantarum, 42, 123. https://doi.org/10.1007/s11738-020-03064-6
Borah, P., Gujre, N., Rene, E. R., Rangan, L., Paul, R. K., Karak, T., Mitra, S. (2020). Assessment of mobility and environmental risks associated with copper, manganese, and zinc in soils of a dumping site around a Ramsar site. Chemosphere, 251, 126852. https://doi.org/10.1016/j.chemosphere.2020.126852
Baruah, P. K., Chakrabartty, I., Mahanta, D. S., Rangan, L., Sharma, A. K., Khare, A. (2020). Efficacy of cellulose paper treated with Cu and Ag oxide nanoparticles synthesized via pulsed laser ablation for bacterial removal from contaminated wastewater. Review of Scientific Instruments, 91, 015105. https://doi.org/10.1063/1.5144495
Baruah, P., Singh, A., Rangan, L., Sharma, A. K., Khare, A. (2020). Elucidation of size, structure, surface plasmon resonance, and photoluminescence of Ag nanoparticles synthesized by pulsed laser ablation in distilled water and its viability as SERS substrate. Applied Physics A, 126, 123. https://doi.org/10.1007/s00339-020-3375-1
Mondal, I. H., Rangan, L., Uppaluri, R. (2019). Effect of oven and intermittent airflow-assisted tray drying methods on nutritional parameters of leafy and non-leafy vegetables of Northeast India. Heliyon, 5(11), e02934. https://doi.org/10.1016/j.heliyon.2019.e02934
Shelke, R. G., Rangan, L.* (2019). The role of transposable elements in Pongamia unigenes and protein diversity. Molecular Biotechnology. https://doi.org/10.1007/s12033-019-00223-0
Paul, A., Deka, J., Gujre, N., Rangan, L., Mitra, S. (2019). Does nature of livelihood regulate urban community vulnerability to climate change? A case study from Guwahati, Northeast India. Journal of Environmental Management. https://doi.org/10.1016/j.jenvman.2019.109591
Shelke, R. G., Rangan, L.* (2019). Isolation and characterization of Ty1-copia retrotransposons from Pongamia pinnata. Trees: Structure and Function. https://doi.org/10.1007/s00468-019-01878-7
Basak, S., Ramesh, A. M., Parida, A., Mitra, S., Rangan, L.* (2019). Evaluation of rapid molecular diagnostics for differentiating medicinal Kaempferia species from adulterants. Plant Diversity. https://doi.org/10.1016/j.pld.2019.04.003
Chakrabartty, I., Vijayasekhar, A., Rangan, L.* (2019). Therapeutic potential of labdane diterpene isolated from Alpinia nigra: Hemato-compatibility and antimicrobial studies. Natural Products Research. https://doi.org/10.1080/14786419.2019.1610756
Basak, S., Chakrabartty, I., Hedaoo, V., Shelke, R. G., Rangan, L.* (2018). Assessment of genetic variation among wild Alpinia nigra populations: Genome mining and molecular marker approach. Molecular Biology Reports, 46(1), 177–189. https://doi.org/10.1007/s11033-018-4460-3
Baruah, P., Singh, A., Rangan, L., Kumar, A., Khare, A. (2018). Optimization of copper nanoparticles synthesized by pulsed laser ablation as a viable SERS substrate for karanjin. Materials Chemistry and Physics, 220, 111–117. https://doi.org/10.1016/j.matchemphys.2018.08.020
Basak, S., Rangan, L.* (2018). Production, characterization, and inhibition of fungal cellulases utilizing rice bran as substrate in solid-state fermentation. Microbiology: Current Research, 2(3), 69–74. https://doi.org/10.35841/2591-8036.18-821
Das, R., Shelke, R. G., Rangan, L.*, Mitra, S. (2018). Estimation of nuclear genome size and characterization of Ty1-copia-like LTR retrotransposon in Mesua ferrea. Journal of Plant Biochemistry and Biotechnology, 27(4), 478–487. https://doi.org/10.1007/s13562-018-0456-7
Chakrabartty, I., Baruah, P. K., Panda, A. N., Khare, A., Rangan, L.* (2018). Hybrid formulation of Cu nanoparticles and labdane diterpene from Alpinia nigra: A vibrational spectroscopic study. Journal of Applied Spectroscopy, 85(5), 983–990. https://doi.org/10.1007/s10812-018-0746-0
Basak, S., Rangan, L.* (2018). New record of nuclear DNA amounts of some Zingiberaceae species from Northeast India. Data in Brief, 17, 66–70. https://doi.org/10.1016/j.dib.2017.12.055
Borah, P., Singh, P., Rangan, L., Karak, T., Mitra, S. (2018). Speciation and risk assessment of cadmium and chromium in soils: Impact of paper mill wastes. Groundwater for Sustainable Development, 6, 189–199. https://doi.org/10.1016/j.gsd.2018.02.001
Basak, S., Krishnamurthy, H., Rangan, L.* (2018). Genome size variation among selected genera of Zingiberoideae. Meta Gene, 15, 42–49. https://doi.org/10.1016/j.mgene.2017.11.003
Baruah, P. K., Singh, A., Jahan, I., Panda, A. N., Rangan, L., Sharma, A. K., Khare, A. (2017). Surface‑enhanced Raman scattering from copper nanoparticles treated furanoflavonoid karanjin. Advanced Materials Letters, 8(10), 971–976. https://doi.org/10.5185/amlett.2017.7100
Gresshoff, P. M., Rangan, L., Indrasumunar, A., Scott, P. T. (2017). A new bioenergy crop based on oil‑rich seeds from the legume tree Pongamia pinnata. Energy and Emission Control Technologies, 5, 19–26. https://doi.org/10.2147/EECT.S120893
Kesari, V., Ramesh, A. M., Rangan, L.* (2017). 16S rRNA gene‑based identification and phylogenetic analysis of root nodule Rhizobium sp. isolated from *P. pinnata* occurring in North Guwahati, Assam. Indian Journal of Biotechnology. (Accepted)
Basak, S., Kesari, V., Ramesh, A. M., Rangan, L.*, Parida, A., Mitra, S. (2017). Assessment of genetic variation among nineteen turmeric cultivars of Northeast India: Nuclear DNA content and molecular marker approach. *Acta Physiologiae Plantarum*, 39(2), 45–?. https://doi.org/10.1007/s11738-017-2435-8
Ghosh, S., Singh, R. K., Dubey, V. K., Rangan, L.* (2017). Antileishmanial activity of labdane diterpenes isolated from *Alpinia nigra* seeds. Letters in Drug Design & Discovery, 14(1), 119–124. https://doi.org/10.2174/1570180813666170203104642
Singh, P., Mitra, S., Majumdar, D., Bhattacharyya, P., Prakash, A., Borah, P., Paul, A., Rangan, L. (2017). Nutrient and enzyme mobilization in earthworm casts: A comparative study with addition of selective amendments in undisturbed and agricultural soils of a mountain ecosystem. International Biodeterioration & Biodegradation, 119, 437–447. https://doi.org/10.1016/j.ibiod.2016.11.019
Yadav, D., Barbora, L., Bora, D., Mitra, S., Rangan, L.*, Mahanta, P. (2017). An assessment of duckweed as a potential lignocellulosic feedstock for biogas production. International Biodeterioration & Biodegradation, 119, 253–259. https://doi.org/10.1016/j.ibiod.2016.11.015
Kesari, V., Ramesh, A. M., Rangan, L.* (2016). Electrophoretic patterns of proteins isolated from immature and mature stages of 10 candidate plus trees of versatile oleaginous legume, *Pongamia pinnata* (L.) Pierre. *Agroforestry Systems*, 84, 157–161. https://doi.org/10.1007/s10457-011-9443-0
Gupta, P., Rangan, L.*, Ramesh, T. V., Gupta, M. (2016). Comparative analysis of contextual bias around translation initiation sites in plant genomes. *Journal of Theoretical Biology*, 404, 303–311. https://doi.org/10.1016/j.jtbi.2016.06.021
Singh, A., Jahan, I., Sharma, M., Rangan, L.*, Khare, A., Panda, A. N. (2016). Structural characterization, in silico studies and in vitro antibacterial evaluation of furanoflavonoid from Karanj. *Planta Medica Letters*. https://doi.org/10.1055/s-0042-105159
Das, S., Singh, A., Rangan, L.*, Jana, C. (2016). Synthesis, in silico studies and in vitro evaluation for antioxidant and antibacterial properties of diarylmethylamines: A novel class of structurally simple and highly potent pharmacophore. *European Journal of Pharmaceutical Sciences*, 88, 202–209. https://doi.org/10.1016/j.ejps.2016.03.009
Ramesh, A. M., Singh, A., Shelke, R. G., Scott, P. T., Gresshoff, P. M., Rangan, L.* (2016). Identification of two genes encoding microsomal oleate desaturases (FAD2) from the biodiesel plant *Pongamia pinnata* L. *Trees*, 30(4), 1351–1360. https://doi.org/10.1007/s00468-016-1390-0
Yadav, D., Barbora, L., Rangan, L.*, Mahanta, P. (2016). Tea waste and food waste as a potential feedstock for biogas production. *Environmental Progress & Sustainable Energy*. https://doi.org/10.1002/ep.12345
Mitra, S., Singh, P., Manzoor, S., Bhattacharyya, P., Bera, T., Patra, A. K., Rangan, L., Borah, P. (2016). Can rice and wheat biochar amendment protect carbon loss from tropical soils—an experimental study. *Environmental Progress & Sustainable Energy*, 35, 183–188. https://doi.org/10.1002/ep.12212
Ghosh, S., Rangan, L.* (2015). Molecular docking and inhibition kinetics of α‑glucosidase activity by labdane diterpenes isolated from Tora seeds (*Alpinia nigra* B.L. Burtt). *Applied Biochemistry and Biotechnology*, 175(3), 1477–1489. https://doi.org/10.1007/s12010-015-1747-5
Das, A., Kesari, V., Madurai Satyanarayana, V., Parida, A., Mitra, S., Rangan, L.* (2015). Genetic diversity in ecotypes of the scarce wild medicinal crop *Zingiber moran* revealed by ISSR and AFLP marker analysis and chromosome number assessment. *Plant Biosystems*, 149(1), 111–120. https://doi.org/10.1080/11263504.2013.849087
Vaughn, J. N., Chaluvadi, S. R., Tushar, R., Rangan, L., Bennetzen, J. L. (2014). Whole plastome sequences from five major Zingiberaceae members facilitate marker development and define limits to barcode methodology. *PLoS ONE*, 9(10), e108581. https://doi.org/10.1371/journal.pone.0108581
Ghosh, S., Rangan, L.* (2014). Inhibition kinetics and molecular docking of α‑amylase against labdane diterpenes from *Alpinia nigra*. *Medicinal Chemistry Research*, 23(11), 4836–4852. https://doi.org/10.1007/s00044-014-1115-x
Basak, S., Ramesh, A. M., Kesari, V., Mitra, S., Parida, A., Rangan, L.* (2014). Molecular phylogeny of *Hedychium* from Northeast India dissected using PCA analysis and hierarchical clustering. *Meta Gene*, 2, 459–468. https://doi.org/10.1016/j.mgene.2014.07.005
Ghosh, S., Rangan, L.* (2014). Unveiling the effect of plant‑derived labdane diterpenes as promising bactericidal and anticancer agents. *Planta Medica*, 80(10), PD30. https://doi.org/10.1055/s-0034-1398471
Ramesh, A. M., Kesari, V., Rangan, L.* (2014). Characterization of a stearoyl‑acyl carrier protein desaturase gene from potential biofuel plant *P. pinnata* L. *Gene*, 542(2), 113–121. https://doi.org/10.1016/j.gene.2014.03.025
Ghosh, S., Ozek, T. L., Tabanca, N., Ali, A., Rehman, J. U., Khan, I. A., Rangan, L.* (2014). Chemical composition and bioactivity studies of essential oils from *Alpinia nigra* (Gaertn.) B. L. Burtt. *Industrial Crops and Products*, 53, 111–119. https://doi.org/10.1016/j.indcrop.2013.12.003
Chodhury, R. R., Basak, S., Ramesh, A. M., Rangan, L.* (2014). Nuclear DNA content of *P. pinnata* L. and genome size stability of in vitro regenerated plantlets. *Protoplasma*, 251(3), 703–709. https://doi.org/10.1007/s00709-013-0575-2
Ramesh, A. M., Basak, S., Chodhury, R. R., Rangan, L.* (2014). Flow cytometric estimation of nuclear DNA content and determination of mitotic chromosome count in *Pongamia pinnata*, a valuable biodiesel plant. *Applied Biochemistry and Biotechnology*, 172(1), 533–548. https://doi.org/10.1007/s12010-013-0656-5
Rubia, L., Rangan, L., Choudhury, R. R., Dobrev, P., Malbeck, J., Kamínek, M., Fowler, M., Slater, A., Scott, N., Bennett, J., Peng, S., Khush, G. S., Elliott, M. (2014). Changes in chlorophyll content, rate of senescence and cytokinin levels in new plant type rice during grain filling. *Journal of Plant Growth Regulation*, 33(1), 66–76. https://doi.org/10.1007/s00344-013-9364-5
Kesari, V., Ramesh, A. M., Rangan, L.* (2013). Characterization of root nodulating bacteria from biodiesel crop, Pongamia pinnata L. BioMed Research International. https://doi.org/10.1155/2013/165198
Ghosh, S., Indukuri, K., Bondalapati, S., Saikia, A. K., Rangan, L.* (2013). Studies on antibacterial activity of two labdane diterpenes isolated from Alpinia nigra seeds. European Journal of Medicinal Chemistry, 66, 101–105. https://doi.org/10.1016/j.ejmech.2013.09.008
Ghosh, S., Padilla-González, G. F., Rangan, L.* (2013). Radical scavenging and antibacterial efficacy of Alpinia nigra seed extracts. Industrial Crops and Products, 49, 348–356. https://doi.org/10.1016/j.indcrop.2013.04.042
Ghosh, S., Rangan, L.* (2013). Alpinia: The gold mine of future therapeutics. 3Biotech, 3(3), 173–185. https://doi.org/10.1007/s13205-012-0065-5
Rangan, L.* (2013). Pongamia—A multipurpose versatile legume. Research Journal of Biotechnology, 8(1), 1–3.
Das, A., Kesari, V., Rangan, L.* (2013). Micropropagation and cytogenetic assessment of Zingiber species of Northeast India. 3Biotech, 3(6), 471–479. https://doi.org/10.1007/s13205-013-0138-6
Das, A., Kasoju, N., Bora, U., Rangan, L.* (2013). Chemico-biological investigation of rhizome essential oil of Zingiber moran, native to Northeast India. Medicinal Chemistry Research, 22, 4308–4315. https://doi.org/10.1007/s00044-012-0323-x
Das, A., Kesari, V., Nath, A., Khare, A., Rangan, L.* (2013). Antimicrobial activity and micro-Raman spectroscopy of selected Zingiberaceae species from Northeast India. Journal of Crop Science and Biotechnology, 16(1), 75–81. https://doi.org/10.1007/s12892-013-0035-x
Mishra, S., Singh, P., Dutta, S., Rangan, L.*, Mitra, S. (2012). Exploration of 'hot-spots' of methane and nitrous oxide emission from agricultural fields of Assam, India. Agriculture and Food Security Journal, 1, 16.
Kesari, V., Ramesh, A. M., Rangan, L.* (2012). Rapid multiplication and assessment of genetic purity by biomolecular techniques in micropropagated plants of Pongamia pinnata, a potential biodiesel plant. Biomass and Bioenergy, 44, 23–32. https://doi.org/10.1016/j.biombioe.2012.05.002
Kesari, V., Rangan, L.* (2012). Electrophoretic patterns of proteins isolated from immature and mature stages of 10 candidate plus trees of versatile oleaginous legume, Pongamia pinnata (L.) Pierre. Agroforestry Systems, 84, 157–161. https://doi.org/10.1007/s10457-011-9443-0
Nath, A., Das, A., Rangan, L.*, Khare, A. (2012). Screening of antimicrobial activity of copper nanoparticles against pathogenic bacteria. Science of Advanced Materials, 34, 234–237. https://doi.org/10.1166/sam.2012.1315
Kesari, V., Rangan, L.* (2011). Co-ordinated changes in storage proteins during development and germination of elite seeds of Pongamia pinnata, a versatile biodiesel legume. AoB Plants. https://doi.org/10.1093/aobpla/plr026
Kesari, V., Rangan, L.* (2011). Assessment of genetic diversity by RAPD markers in candidate plus trees of P. pinnata, a promising biodiesel plant. Biomass and Bioenergy, 35, 3123–3128. https://doi.org/10.1016/j.biombioe.2011.03.006
Jain, A., Hallihosur, S., Rangan, L.* (2011). Dynamics of nanotechnology patenting—An Indian scenario. Technology in Society, 33, 137–144. https://doi.org/10.1016/j.techsoc.2011.02.003
Das, A., Kesari, V., Vinod, M. S., Parida, A., Rangan, L.* (2011). Genetic relationship of Curcuma species from Northeast India using PCR-based markers. Molecular Biotechnology, 49, 65–76. https://doi.org/10.1007/s12033-011-9388-1
Dwivedi, G., Hallihosur, S., Rangan, L.* (2010). Evergreening—A deceptive device in patent rights. Technology in Society, 32(4), 324–330. https://doi.org/10.1016/j.techsoc.2010.07.002
Kesari, V., Vinod, M. S., Parida, A., Rangan, L.* (2010). Molecular marker-based characterization in candidate plus trees of P. pinnata, a potential biodiesel legume from North Guwahati, Assam. AoB Plants, 2010, plq017. https://doi.org/10.1093/aobpla/plq017
Kesari, V., Rangan, L.* (2010). Development of Pongamia pinnata as an alternative biofuel crop—current status of plantations in India and scope. Journal of Crop Science and Biotechnology, 13(3), 127–137. https://doi.org/10.1007/s12892-010-0045-3
Tushar, S., Basak, S., Sarma, G. C., Rangan, L.* (2010). Ethnomedical uses of Zingiberaceous plants of Northeast India. Journal of Ethnopharmacology, 132(1), 286–296. https://doi.org/10.1016/j.jep.2010.08.045
Kesari, V., Rangan, L.* (2010). Effect of genotype and auxin treatments on rooting response in stem cuttings of candidate plus trees of Pongamia pinnata. Current Science, 98, 1234–1237.
Das, A., Kesari, V., Rangan, L.* (2010). Plant regeneration in Curcuma species and assessment of genetic stability of regenerated plants. Biologia Plantarum, 54(3), 423–429. https://doi.org/10.1007/s10535-010-0013-8
Kesari, V., Das, A., Rangan, L.* (2010). Physico-chemical characterization and microbial assay from seed oil of Pongamia pinnata, potential biofuel crop. Biomass and Bioenergy, 34, 108–115. https://doi.org/10.1016/j.biombioe.2009.10.010
Das, A., Tushar, T., Kesari, V., Rangan, L.* (2010). Aromatic Joha rice of Assam—A review. Agriculture Reviews, 31(1), 1–10.
Kesari, V., Sudarshan, M., Das, A., Rangan, L.* (2009). PCR amplification of genomic DNA from seeds of Ceylon Ironwood, Jatropha, and Pongamia. Biomass and Bioenergy, 33, 1724–1728. https://doi.org/10.1016/j.biombioe.2009.07.008
Rangan, L.*, Rout, A., Sudarshan, M. (2009). Molecular cloning, expression and mapping of translational initiation factor eIF1 gene in Oryza sativa. Functional Plant Biology, 36(5), 442–452. https://doi.org/10.1071/FP08263
Singh, A., Hallihosur, S., Rangan, L.* (2009). Changing landscape in biotechnology patenting. World Patent Information, 31, 219–225. https://doi.org/10.1016/j.wpi.2009.03.001
Kesari, V., Anitha, K., Rangan, L.* (2009). Effect of auxin on adventitious rooting from stem cuttings of candidate plus tree Pongamia pinnata (L.), a potential biodiesel plant. Trees-Structure and Function, 23, 597–604. https://doi.org/10.1007/s00468-009-0347-6
Kesari, V., Anitha, K., Rangan, L.* (2008). Systematic characterization and oil analysis in candidate plus trees of biodiesel plant P. pinnata. Annals of Applied Biology, 152, 397–404. https://doi.org/10.1111/j.1744-7348.2008.00254.x
Rangan, L.*, Vogel, C., Srivastava, A. K. (2008). Analysis of context sequence surrounding translation initiation site from complete genomes of model plants. Molecular Biotechnology, 39, 207–213. https://doi.org/10.1007/s12033-008-9113-6
Jaiswal, M., Prasanna, M., Rangan, L.* (2007). Resonant Recognition model for prediction of lead-in regions in proteins. IEEE CS. https://doi.org/10.1109/FBIT.2007.32
Jaiswal, M., Rangan, L.* (2007). Context sequence for transcription factors surrounding start codon in model crops. Current Science, 93, 215–218.
Rangan, L.*, Daskalova, S. M., Leila, R., McCormac, A. C., Scott, N. W., Elliott, M. C. (2006). Tools for rice transformation: A flexible series of vectors harbouring phytohormone genes and specific promoters. Journal of Crop Science, 1, 42–48.
Eganathan, P., Subramanian, H. M. S. R., Rangan, L.*, Rao, C. S. (2006). Oil analysis in seeds of S. brachiata. Industrial Crops and Products, 23, 177–179. https://doi.org/10.1016/j.indcrop.2005.08.004
Rangan, L.*, Hosseini, G. H. S., Bennett, J., Swaminathan, M. S. (2004). Molecular cloning and expression of stress-responsive eIF1 gene in P. coarctata Tateoka. Functional Plant Biology, 31(10), 1035–1042. https://doi.org/10.1071/FP04116
Rangan, L.*, Rubia, L., Bennett, J., Swaminathan, M. S. (2004). Allele mining for stress tolerance genes in Oryza species and related germplasm. Molecular Biotechnology, 27, 101–108. https://doi.org/10.1385/MB:27:2:101
Rangan, L.*, Rao, C. S., Subramaniam, H. M. S. R., Eganathan, P., Swaminathan, M. S. (2004). Approaches to breeding for salinity tolerance: A case study on P. coarctata Tateoka. Annals of Applied Biology, 144, 177–184. https://doi.org/10.1111/j.1744-7348.2004.tb00318.x
Rangan, L.*, Suryanarayanan, T. S., Swaminathan, M. S. (2004). Genetic diversity in Acremonium endophytes isolated from warm-season grasses as revealed by RAPD markers. Journal of Biochemistry and Biotechnology, 13, 39–42.
Rangan, L.*, Subramaniam, H. M. S. R., Radha, R., Swaminathan, M. S. (2002). Genetic relationships of P. coarctata using molecular markers. Plant Biosystems, 136, 339–348. https://doi.org/10.1080/11263500212331336625
Radha, R., Rangan, L.*, Swaminathan, M. S. (2002). Chemical composition and bioactivity of essential oil from Syzygium travancoricum. Journal of Flavour & Fragrance, 17, 352–354. https://doi.org/10.1002/ff.55
Rangan, L.*, Swaminathan, M. S. (2002). Protein changes in response to salt stress in Porteresia coarctata Tateoka. Journal of Biochemistry and Biotechnology, 11, 49–52.
Bennett, J., Hosseini, S., Arif, A., Rangan, L.*, Liwanag, E. (2001). Resources for functional genomics of stress tolerance in rice. Plant and Cell Physiology, 42(Supplement), S12.
Rangan, L.*, Constantino, S., Khush, G. S., Swaminathan, M. S., Bennett, J. (1999). The feasibility of PCR-based allele mining for stress tolerance genes in rice and related germplasm. Rice Genetics Newsletter, 16, 43–48.
Rangan, L.*, Anand, A. K., Rao, C. S., Eganathan, P., Balakrishna, P. (1998). In vitro propagation of salt-tolerant wild rice relative, Porteresia coarctata Tateoka. Plant Growth Regulation, 17, 231–235. https://doi.org/10.1023/A:1006255903265
Anand, A., Rao, C. S., Rangan, L.*, Josekutty, P. C., Balakrishna, P. (1998). Micropropagation of U. picta, a medicinal plant, through axillary bud culture and callus regeneration. In Vitro Cellular & Developmental Biology - Plant, 34, 136–140. https://doi.org/10.1007/BF02822991
Edited Books
Uppaluri, R., & L Rangan (Eds.) (2023). Conservation of Biodiversity in the North Eastern States of India: Proceedings of NERC 2022. Singapore: Springer Nature. DOI
Rangan, L., Pandey, A. K., & Bhargava, B. (2023). Wild Edible Greens—From Nature Basket of Pan INDIA. New Delhi, India: Rupa Publishers.
Senapati, A., Gujre, N., Mitra, S., & L Rangan (Eds.) (2019). FLORA of IIT Guwahati.
Book Chapters
Idrishi, R., Singha, S., & L Rangan (2025) Recent advances in flaking, puffing/parching, popping and instant technologies for production of ready-to-eat (RTE) cereals. In Emerging technologies for the production of ready to eat snacks (pp. 27–53). Apple Academic Press.
Idrishi, R., Shelke, R. G., Singha, S., & L Rangan (2024) Black rice starch: Physicochemical characterization and nutritional properties. In Non-Conventional Starch Sources: Properties, Functionality, and Applications (pp. 197–223). Elsevier. DOI
Rangan, L., Chetri, B. K., Senapati, A., Basak, S., & Shelke, R. G. (2024) Plant DNA analysis: Estimation of nuclear DNA content in plant homogenates. In R. C. Sobti, A. Krishan, & D. K. Agrawal (Eds.), Flow cytometry (pp. 181–200). Springer, Singapore. DOI
Das, A., Gujre, N., Jobina Devi, R., L Rangan, & Mitra, S. (2023) Traditional ecological knowledge towards natural resource management: Perspective and challenges in North East India. In Sustainable Agriculture and the Environment (pp. 275–294). Academic Press. DOI
Chakrabartty, I., & L Rangan (2023) Alpinia nigra and its bioactive compound, labdane diterpene: A review of their phytochemical and biopharmaceutical potential. In R. V. S. Uppaluri & L Rangan (Eds.), Conservation of Biodiversity in the North Eastern States of India: NERC 2022 (pp. 227–248). Springer, Singapore. DOI
Idrishi, R., Singha, S., & L Rangan (2023) A study on various factors affecting the pigmented rice value chain of North East India with a focus on black rice. In R. V. S. Uppaluri & L Rangan (Eds.), Conservation of Biodiversity in the North Eastern States of India: NERC 2022 (pp. 173–184). Springer, Singapore. DOI
Mondal, I. H., L Rangan, & Uppaluri, R. V. S. (2023) Plant bio-diversity conservation in North-East India through the development of mixed non-leafy vegetable soups. In R. V. S. Uppaluri & L Rangan (Eds.), Conservation of Biodiversity in the North Eastern States of India: NERC 2022 (pp. 185–208). Springer, Singapore. DOI
Basak, S., & L Rangan (2022) Flow cytometer as tool to understand the variation in genome size among medicinal herbs and non-edible oil yielding trees of Northeast India. In R. Sobti & A. Sobti (Eds.), Biomedical Translational Research (pp. 285–304). Springer, Singapore. DOI
Baruah, P. K., Nath, A., Chakrabartty, I., Singh, A., Das, A., L Rangan, Sharma, A. K., & Khare, A. (2019) Surface enhanced Raman scattering and antibacterial capability of pulsed laser ablated metal/metal oxide nanoparticles. In Advances in Science and Technology (pp. 141–144).
Rangan, L., Kesari, V., & Ramesh, A. M. (2013) A review of Pongamia pinnata; the biodiesel plant biology, tissue culture and genetic enhancement. In A. P. C. Abhilash (Ed.), Biotechnological applications for environmental protection. Springer.
Dakua, T., L Rangan, & Mitra, S. (2013) Greenhouse gases emission from rice paddy ecosystem and their management. In N. Tuteja & S. Gill (Eds.), Crop Improvement Under Adverse Conditions (pp. 65–89). Springer, New York, NY. DOI
Mitra, S., & L Rangan (2009) Climate change: Science and policies. In T. Manuel & M. Koshy (Eds.), A Christian Response to Ecological Crisis (pp. 94–99). Christava Sahitya Samithi (CSS), Thiruvalla.
L Rangan, Das, A., Aggarwal, S., Kesari, V., & Sharma, G. C. (2009) DNAB — A molecular systematic approach for species identification and bioresource protection. In Diversity of Plant—A Molecular Approach (pp. 19–35).
Kesari, V., & L Rangan (2007) In vitro propagation of potential biodiesel plant, Pongamia pinnata (L.) Pierre. In Biofuel plant cultivation, practices and seed bank (pp. 112–117).
Mitra, S., Badwal, S., Kelkar, U., & L Rangan (2006) Climate change and vulnerability in Indian agriculture: A major hurdle towards food security. In Hazards and Risk Management in Critical Regions in Asia (pp. 275–287).
Elliott, M. C., Rubia, L., L Rangan, Kaminek, M., & Krattiger, A. (2005) Plant biotechnology in developing countries: Opportunities and constraints. In Discovery to Delivery: BioVision Alexandria 2005 (pp. 95–109).
General Articles
L Rangan* (2002) The age of discovery. Science and Environment Journal, Down to Earth, July 15, 50.
L Rangan*, S Mitra (2004) Biotechnology off the shelf. Current Science, 86 (12), 1585.
L Rangan*, V Dhawan (2009) Plant Biotechnology in India: Seeds of Survival. International J of Biological Sciences and Technology 1 (1), 1-16 (Inaugural issue).
L Rangan*, S Mitra (2009) Building public-private partnership in agricultural biotechnology. International Journal of Bioscience, Healthcare Tech & Manage 1, 1-4 (Inaugural issue).
L Rangan* (2009) Impact of Cartagena protocol in developing countries. International Journal of Biosciences, Agriculture and Technology 1, 1-3.
S Sandeep, S Sinha, S Mitra, L Rangan* (2010) Bioresources protection in Northeast India. Lyonia.
L Rangan* (1999) Terminator Technology: issues and concerns. Nandini Chemical Journal 6, 11-12.
L Rangan* (1998) Science and Ethics in Crop Breeding. Journal Kisan World 25: 12-14.
Full Proceeding Papers
A Anand, M Parani, CS Rao, L Rangan, P Balakrishna (1997) Micropropagation and genetic fidelity studies in Piper longum L. In Biotechnology of Spices, Medicinal and Aromatic Plants, Proceedings of the National Seminar on Biotechnology of Spices and Aromatic Plants, Calicut, India 1996, pp 94-97.
R Radha, L Rangan, P Eganathan, HM SR Subramaniam, CS Rao, A Anand, V Patil, S Dhenuka, VN Prabhakar, MM Saravanan, P Balakrishna, PC Kesavan (2001) Nurturing endangered and medicinal plants at MSSRF using biotechnological tools. International seminar on medicinal plants-quality standardization, The Voluntary Health, Education and Rural development society. Chennai. pp 97-100.
L Rangan*, P Balakrishna (2002) Analysis of genetic relationship using AFLP markers among the wild relatives of Oryza. In: Breeding Strategies for 21st Century. Proceedings of the First National Plant Breeding Congress. Indian Society of Plant Breeders, Coimbatore 641 003, India. pp 309-316.
CS Rao, P Egananthan, A Anand, L Rangan, P Balakrishna (2001) Application of biotechnology and classical breeding methods in the Genetic Enhancement of Mangroves. Proceedings of the international symposium on mangrove ecology and biology, pp 83-95.
S Agarwal, A Das, V Kesari, GC Sarma, L Rangan* (2008) Use of DNA Barcodes to identify Curcuma sp of Northeast India. In: Proceedings of International Conference on Emerging Technologies and Applications in Engineering, Technology and Sciences. Vol III. pp 2525-2529.
V Kesari, A Das, A Krishnamachari, L Rangan* (2008) Extraction and physico-chemical properties of seed oil from candidate plus tree of Pongamia pinnata. In: Proceedings of International Conference on Emerging Technologies and Applications in Engineering, Technology and Sciences. Vol I, pp 2116-2120.
A Nath, A Das, L Rangan, A Khare (2011) Antibacterial activity of Cu@Cu2O nanoparticles synthesized via laser ablation in liquids. In: Proceedings Photonics 2010: Tenth International Conference on Fiber Optics and Photonics SPIE 8173, 81730A (2010); DOI:10.1117/12.899527.
L Rangan*, A Singh, RG Shelke, R Das, AM Ramesh, V Kesari, P Scott & P Gresshoff (2015) New positives of biotech research in renewable energy resources- Success story of Pongamia. In: Proceedings National Seminar on Biofuel A Search for New Fire SIBBR&D, Cochin. pp 22-25.
PK Baruah, A Singh, L Rangan, AK Sharma, A Khare (2016) Comparison of surface enhanced Raman scattering of silver and copper nanoparticles on furanoflavanoid karanjin. In: The International Conference on Fiber Optics and Photonics, OSA Publishing. pp 1-3.
PK Baruah, Moghe A. Raman, I Chakrabartty, L Rangan, AK Sharma, A Khare (2018) Antibacterial Effect of Silk Treated with Silver and Copper Nanoparticles Synthesized by Pulsed Laser Ablation in Distilled Water. The International Conference on Fiber Optics and Photonics, OSA Publishing. pp 03006.
L Rangan*, Tushar, S Basak, I Chakrabartty, S Ghosh, A Das, M Kumar, Sadokpam S, A Vijayasekar, VS Hedaoo, V Kumar, S Ramachandran (2018) Maintaining Biodiversity in North-east India: Ethno-medicinal usage of Zingiberaceae. BVA 2018 Proceedings (In print).
S Senthilkumar, L Rangan, R. Swaminathan (2022) Investigating the role of surfactant charge in the interaction of plant polyphenol mammeigin with micelles using UV-vis spectroscopy. Biophysical Journal 121 (3), pp 482a.
D Ahari, K Sahil, L Rangan, R. Swaminathan (2022) SDS induced structural transition and cryoprotective function of plant IDP, dehydrin and its mutants. Biophysical Journal, 121, Vol 3, pp201a.
Patents
A Das, VSR Uppaluri, C Das, M Saha, MK Gupta, L Rangan (2022) Cost effective composition of wound dressing compatible polymer hydrogel composite films. (Application number 202131059065) [New]
S Sanjana, S Shreekant, MK Gupta, H Boro, R Swaminathan, L Rangan (2021) Device for evaporation and recovery of organic solvents using simple labwares. Published Patent (Patent No 416769) [Published Patent]
L Rangan*, S Ghosh, RK Singh, VK Dubey, K Indukuri, AK Saikia (2013) Antileishmanial labdane type diterpene compounds from the seeds of Alpinia nigra (Gaertn.) B.L. Burtt, an ethnomedically important plant from North East India.
L Rangan*, A Das, N Kasoju, U Bora (2011) Multipurpose herbal utility of camphene from Zingiber moran, an endemic medicinal plant from northeast India. (TIFAC-DST- T.1(49) / TIFA /2011)
L Rangan*, A Das (2011) Medicinal herbal composition from the rhizome essential oil of Zingiber moran and the process thereof. (TIFAC-DST T.1(49) / TIFA /2011)
Conference Presentations
Year:
Type:
A Ghose, V Nuzelu, D Gupta, H Kimoto, S Takashima, M Koketsu, L Rangan, S Mitra (2024). Laccase enzyme derived from spent mushroom waste offers innovative strategy for degrading ciprofloxacin and norfloxacin antibiotics in wastewater. Japan- NER Bioeconomic Technology Cooperation Symposium, Indian Institute of Technology Guwahati, Guwahati, Assam, India P01.
L Rangan (2023). Plastome mining of selected small genome sized plants. New Horizon in Biotechnology NHBT 2023, Trivandrum. 28 Nov, Invited Talk.
BK Chetri, L Rangan*, S Mitra, A Senapati, RK Shelke (2023). Mapping Genome Size Variation in Medicinal Plants of South-Eastern Bhutan: Prospects for Genomic Study. International Conference on Biodiversity, Food Security, Sustainability and Climate Change (ICBFSCC- 2023), AAU-Jorhat 25-28 April 2023.
R Idrishi, S Singha, L Rangan (2023). A review on Status and Extraction methods of Bioactive Compounds of Pigmented Rice Bran. 7th International Conference on Rice Bran Oil 2023, Hyderabad, India April 22, 2023, 4th Position.
G Bhatt, A Gupta, L Rangan, AM Limaye (2022). Karanjin exerts partial estrogen-like effects in breast cancer cells. International Conference on Recent Trends and Future Opportunities in Pharmaceuticals. NIPER S.A.S. Nagar (Mohali), Punjab, India, November 10-12, 2022. PHARMACON 2022, pp 110.
G Bhatt, L Rangan, AM Limaye (2022). Karanjin: An aryl hydrocarbon receptor modulator in breast cancer cells. International Conference on Biotechnology, Sustainable Bioresources and Bioeconomy, IIT Guwahati, Assam, India December 7-11, 2022, pp 308 (FPP-225).
H Boro, M Hegde, L Rangan, R Swaminathan, A B Kunnumakkara (2022). Role of flavonoid 3,5-dihydroxy-7,4’-dimethoxyflavone in inhibiting cell proliferation and migration in colon cancer cell lines. International Conference on Biotechnology, Sustainable Bioresources and Bioeconomy, IIT Guwahati, Assam, India December 7-11, 2022, pp 307 (FPP-223).
A Senapati, VF Kharchandy, L Rangan (2022). Genome size estimation of tree species from North-East India: A flowcytometric approach. International Conference on Biotechnology, Sustainable Bioresources and Bioeconomy, IIT Guwahati, Assam, India December 7-11, 2022, pp 213 (FPP-043).
Nuzelu, L Rangan, R Swaminathan (2022). Monitoring Protein-DNA interaction using Protein Charge Transfer Spectra (ProCharTS). International Conference on Biotechnology, Sustainable Bioresources and Bioeconomy, IIT Guwahati, Assam, India December 7-11, 2022, pp 209 (FPP-035).
R Idrishi, S Singha, L Rangan (2022). A comparative study of physical and nutritional characteristics of Assam Black Rice with Manipur Black rice (Var. Chakhao poreiton). International Conference on Biotechnology, Sustainable Bioresources and Bioeconomy, IIT Guwahati, Assam, India December 7-11, 2022, pp 310 (FPP-229).
R Singh, S Kumar, L Rangan (2022). In-vitro study of the Anti-viral activity of karanjin from Pongamia pinnata against Newcastle disease virus. International Conference on Biotechnology, Sustainable Bioresources and Bioeconomy, IIT Guwahati, Assam, India December 7-11, 2022, pp 209 (FPP-036).
S Senthilkumar, AN Panda, L Rangan, R Swaminathan (2022). Effect of pH and ions on absorption spectroscopic behaviour of Mammeigin in different solvent systems. Shotgun oral and poster presentation, 5th International Caparica Conference on Chromogenic and Emissive Materials, 2022, Caparica, Portugal. SG/PSG.09, pp 199.
A Singh, MZ Ansari, S Senthilkumar, L Rangan, R Swaminathan (2022). Enhanced solubility, electronic absorption and fluorescence observed for Karanjin in aqueous SDS micelles compared to water. Oral Presentation, 5th International Caparica Conference on Chromogenic and Emissive Materials, 2022, Caparica, Portugal. O.02CA, pp 126.
G Bhatt, A Kumar, P Satpati, AM Limaye, L Rangan. Karanjin mediated regulation of estrogen target genes in MCF-7 breast cancer cells. International Conference on Biotechnology for Sustainable Agriculture, Environment and Health (BSAEH-2021), Malaviya National Institute of Technology, Jaipur, India. April 04-08, 2021.
MK Gupta, J Rajkumari, L Rangan*, Synthesis and characterization of flavone-zinc complex compound and determination of its anti-biofilm efficacy. International Conference on Biotechnology for Sustainable Agriculture, Environment and Health (BSAEH-2021), Malaviya National Institute of Technology, Jaipur, India. April 04-08, 2021.
S Sanjana, L Rangan*, Spectroscopic investigations of Mammeigin from Mesua ferrea in understanding the structural dynamics under different solvent conditions. A National Workshop on Fluorescence and Raman Spectroscopy (FCS-2020), IIT Bombay, Mumbai, India, December 7-12, 2020.
A Senapati, VF Kharchandy, L Rangan*, Genome size estimation of woody tree species from North-Guwahati: A flow-cytometric approach. International Conference on Biotechnology for Sustainable Agriculture, Environment and Health (BSAEH-2021), Malaviya National Institute of Technology, Jaipur, India. April 04-08, 2021.
H Boro, L Rangan, R Swaminathan, Effect of pH and SDS micelles on the solubility and structural properties of the flavonoid 3,5-dihydroxy-7,4'-dimethoxyflavone isolated from Alpinia nigra. International Conference on Biotechnology for Sustainable Agriculture, Environment and Health (BSAEH-2021), Malaviya National Institute of Technology, Jaipur, India. April 04-08, 2021.
Nuzelu, L Rangan, R Swaminathan, Investigation of scIHF characteristics on protein charge transfer spectra (ProCharTS). International Conference on Biotechnology for Sustainable Agriculture, Environment and Health (BSAEH-2021), Malaviya National Institute of Technology, Jaipur, India. April 04-08, 2021.
MK Gupta, AK Chiranjivi, VK Dubey*, L Rangan*, Study of Zinc derivatized 3,5-Dihydroxy, 4',7-Dimethoxyflavone against Leishmania parasite. International Conference on "Nutraceuticals and Chronic Diseases", 2019, pp 141 (oral presentation).
S Senthilkumar, R Swaminathan*, L Rangan*, Purification and Characterization of Mammeigin: A possible therapeutic neoflavonoid from Mesua ferrea. International Conference on "Nutraceuticals and Chronic Diseases", 2019, pp 230 (poster presentation).
G Bhatt, A Kumar, L Rangan*, AM Limaye*, Insight into Estrogen Receptor alpha (ER-alpha) and ligands (Estrogen, Karanjin) interactions using computer simulations. International Conference on "Nutraceuticals and Chronic Diseases", 2019, pp 256 (poster presentation).
L Rangan* (2019). Labdane diterpenes from seeds of Alpinia nigra as promising nutraceuticals. Fourth International Conference on Nutraceuticals and Chronic Diseases (INCD-2019), IIT Guwahati, Assam, India. September 23-25, 2019, pp 58 (Invited Talk).
L Rangan (2019). Basics of IPR. International Workshop on Empowerment and Autonomy of Women through a Biobased Circular Economy Design: Resource Recovery from Waste, IIT Guwahati, 25th July (Invited Talk).
A Singh, L Rangan (2018). Mining of bioactives from seeds of Karanj. BRSI Convention, November 22-24, IICT Hyderabad (Invited Talk).
L Rangan (2018). Ethno-medicinal usage of Zingiberaceae. New Positives of Research in Field of Applied Biodiversity, 31 August, Symbiosis Pune (Invited Talk).
L Rangan, R Das, RG Shelke (2018). Estimation of nuclear genome size and its correlation with Ty1-copia like LTR retrotransposon and cell phenotypic traits. Global Plant and Molecular Biology Conference (GPMB), Rome, 20-23 Sep 2018 (Invited Talk).
L Rangan (2018). Maintaining Biodiversity in North-eastern India: Ethno-medicinal usage of Zingiberaceae. Biovision Alexandria, Alexandria, 20-22, Egypt (Invited Talk).
Ishani Chakrabartty, L Rangan (2018). Alpinia nigra: The unexplored ore of Zingiberaceae for future therapeutics. IJBS’17, 1st-4th February 2018, IIT Guwahati. 1st prize in Oral presentation, Springer Award 200 Euros, pp68.
Reshmi D, L Rangan (2018). Genome size and Ty1 copia retroelements in biofuel crops. 24th ISCB Frontier Research in Chemistry & Biology Interface, 11th-13th January 2018, Manipal University, Jaipur, pp176.
Chakrabartty I, Khare A, Panda AN, L Rangan* (2017). Vibrational spectroscopic studies of bioactive labdane diterpene from seeds of Alpinia nigra in conjugation with Cu nanoparticles. ICSIMR, 30th June-1st July 2017, IIT Guwahati, pp98.
R Das, L Rangan (2017). Variation in leaf anatomical characters and total chlorophyll content in Mesua ferrea during abiotic stresses. International Symposium on Plant Biotechnology for Crop Improvement (ISPBCI-2017), 20-21 Jan, IIT Guwahati, pp65.
RG Shelke, L Rangan (2017). Identification and characterization of long interspersed nuclear elements (LINEs) in Pongamia, Ricinus and Jatropha. International Symposium on Plant Biotechnology for Crop Improvement (ISPBCI-2017), 20-21 Jan, IIT Guwahati, pp103.
S Basak, L Rangan (2017). Genome size and chromosome number: keys to unfold polyploidization in taxonomically complex Zingiberaceae. International Symposium on Plant Biotechnology for Crop Improvement (ISPBCI-2017), 20-21 Jan, IIT Guwahati, T-15; pp15 (Invited Talk).
I Chakrabartty, A Khare, L Rangan (2016). Investigating the inhibitory effect and possible mode of action of (E)–labda-8(17),12-diene-15,16 from Alpinia nigra on Candida albicans. International Conference on Current Trends in Biotechnology organized by BRSI, 8-10 December 2016, VIT University, Vellore.
I Chakrabartty, AN Panda, A Khare, L Rangan (2016). Raman spectroscopic studies of labdane diterpene, a bioactive compound from the seeds of Alpinia nigra. 22nd ISCB International Conference, 6-8 February 2016, Uka Tarsadia University, Surat, Gujarat, pp150.
A Singh, M Sharma, L Rangan, AN Panda (2016). Structural characterization and flow cytometric investigation of glabrin, a complex cyclic amino acid from seeds of Karanja. 3rd International Congress of the Society for Ethanopharmacology (SFEC 2016), India. Peer Reviewed Journal of Ravishankar University, 29, 1 (Special Issue), pp161.
M Sharma, A Singh, L Rangan, AM Limaye (2016). Estrogenic effect of Karanjin in MCF-7 breast cancer cells. 3rd International Congress of the Society for Ethanopharmacology (SFEC 2016), India. Peer Reviewed Journal of Ravishankar University, 29, 1 (Special Issue), pp195.
R Das, G Juerges, P Nick, L Rangan (2015). Flow cytometry based correlation of nuclear DNA content with cell phenotypic characters. Abstract book of International Conference on New Horizons in Biotechnology: 12th Annual Convention of The Biotech Research Society, India, 22-25 Nov 2015, Trivandrum, India, pp341.
L Rangan*, RG Shelke, A Singh, R Das, AM Ramesh, V Kesari (2015). Morphological, biochemical and genomic studies in Pongamia. Central University Hyderabad, Invited Talk.
L Rangan (2015). Energy recovery from waste legume. Indo-UK Scientific Seminar Series, Jadavpur, Kolkata, 11-14 Feb 2015.
D Yadav, L Barbora, T Rado, R Blanchard, L Rangan, P Mahanta (2015). Small scale anaerobic digesters: A case study in UK and India. Bioenergy: An Engine for Economic Growth in the Global South?, 28 Jan 2015, Welcome Trust, London, UK.
R Shelke, R Das, L Rangan (2015). Evolution and distribution of LTR-retrotransposons in Pongamia and its correlation with genome size. 2nd International Conference on Biotechnology and Bioinformatics (ICBB-2015), 6-8 Feb, Pune, pp27-28. Oral presentation.
A Singh, A Khare, A N Panda, L Rangan (2015). Characterization of bioactive karanjin from seeds of Karanj. International Conference on "Medicinal Plants and Herbal Drugs for Humans", 28-31 Jan, University of Madras, pp77. Best Poster Award.
R Das, G Juerges, P Nick, L Rangan (2014). Genome size of four biofuel crops. 4th International Science Congress, 8-9 Dec, Udaipur, p67. Poster 3BS-12.
I Jahan, A Singh, A Khare, AK Panda, L Rangan (2014). Isolation and structure elucidation of karanjin from seeds of Pongamia pinnata. 4th International Science Congress, 8-9 Dec, Udaipur, p67. Poster ISCA-ISC-2014-3BS-11.
D Yadav, A Choudhary, D Bora, L Barbora, L Rangan, P Mahanta (2014). Thermochemical and organic pretreatment of local lignocellulosic bioresources for energy production. International Conference on Emerging Trends in Biotechnology (ICETB 2014) XI Convention BRSI, 6-9 Nov, New Delhi, E-62.
S Ghosh, L Rangan (2014). Unveiling the effect of plant-derived labdane diterpenes as promising bactericidal and anticancer agents. 55th Annual American Society of Pharmacognosy Meeting, 2-6 Aug 2014, Oxford, Mississippi, Planta Med 2014; 80 - PD30. DOI: 10.1055/s-0034-1382451.
J Bennetzen, Tushar, S Chaluvadi, J DeBarry, M Estep, J Vaughn, L Rangan (2013). Sample sequence analysis for the discovery of genetic relatedness, genome composition and genome evolution in flowering plants. 5th Intl Barcode of Life Conference, 27-31 May, Kunming, China.
S Basak, AM Ramesh, L Rangan (2012). Ploidy levels of potential biodiesel crops determined by flow cytometry. World Congress on In Vitro Biology, Seattle, USA, 3-7 June 2012, pp3001 (poster presentation).
AM Ramesh, Tushar, L Rangan (2012). Next generation sequencing and selective analysis of non-coding DNA in Pongamia pinnata. Industrial Conference on Industrial Biotechnology, 21-23 Nov 2012, Patiala, pp210.
Tushar, Srinivasa Chaluvadi, J Bennetzen, L Rangan (2012). Comparative study of selective population of junk DNA among Zingiberaceae members. Industrial Conference on Industrial Biotechnology, 21-23 Nov 2012, Patiala, pp230.
S Basak, L Rangan (2012). Genome size estimation for selected species of Zingiberaceae from NE India. 6th International Symposium on the Family Zingiberaceae, 10-13 Sep 2012, Calicut, pp24.
S Ghosh, U Bora, L Rangan (2012). Phytochemical analysis and anticancer property of seed extracts of Alpinia nigra (Gaertn.) B.L. Burtt. 6th International Symposium on the Family Zingiberaceae, 10-13 Sep 2012, Calicut, pp38.
L Rangan (2012). Expanding Horizons in Chemical and Biological Sciences: Innovations Crossroads. 17th ISCB International Conference (ISCBC-2012), 21-24 Jan, Solapur. ISCB Young Scientist Award Lecture in area of Biological Sciences.
Tushar, Srinivasa C Rao, Jeffrey Bennetzen, L Rangan (2011). Mining of Zingiberoideae plastid genome for assessment of phylogenetic relationships. Plant Genome Evolution, 4-6 Sep, Amsterdam, Netherlands, pp1.6 (Poster presentation).
S Ghosh, L Rangan, U Bora (2010). Biodiversity, biorepositories and biobanking in India. International Workshop on Biodiversity and Climate Change, 19-22 Dec 2010, IIT Kharagpur, pp50 (Second Best Poster Award).
V Kesari, L Rangan* (2010). Systematic evaluation of candidate plus trees (CPTs), seed oil analysis and propagation techniques in Pongamia pinnata (L.) Pierre, an alternative biodiesel crop occurring in North Guwahati, Assam, India. Bioenergy Systems Research Initiative, 15 Nov 2010, UGA Athens, pp38 (Poster presentation).
S Basak, Tushar, A Das, V Kesari, VK Dubey, L Rangan* (2010). Phylogenetic analysis in Zingiberaceae native to Northeast India using RAPD markers. International Conference on Genomic Sciences-Recent Trends (ICGS-2010), 12-14 Nov 2010, MKU, Madurai, pp120 (Poster presentation).
AM Ramesh, V Kesari, L Rangan* (2010). Characterization of Rhizobium pongamiae sp. nov., isolated from root nodules of biodiesel plant Pongamia pinnata. International Conference on Genomic Sciences-Recent Trends (ICGS-2010), 12-14 Nov 2010, MKU, Madurai, pp112 (Poster presentation).
A Nath, A Das, L Rangan, A Khare (2010). Antibacterial activity of copper oxide nanoparticles synthesized via laser ablation in liquids. Xth International Conference on Fiber Optics and Photonics, 11-15 Dec, IIT Guwahati, pp427 (Poster presentation).
Nath, A., Das, L Rangan, A Khare (2010). Antibacterial activity of copper oxide nanoparticles synthesized via laser ablation in liquids. Proceeding of International Conference IISC-10, Jamia Millia Islamia, Delhi, Dec 2010.
A Jain, S Hallihosur, L Rangan* (2009). Nanotechnology patenting: An Indian Scenario. 1st International Conference on Advanced Nanomaterials and Nanotechnology (ICANN-2009), 7-9 Dec, IIT Guwahati, Assam, p80 (Oral Presentation).
L Rangan* (2009). Significance of translation initiation factor (eIF) in stress response of crop plants. International Conference on Emerging Trends in Biotechnology, 6th BRSI Annual Convention, 4-6 Dec, BHU, Varanasi, p279 (Poster presentation).
V Kesari, L Rangan* (2009). Anatomical and biochemical changes during seed maturation and germination in biofuel crop, Pongamia pinnata L. International Conference on Emerging Trends in Biotechnology, 6th BRSI Annual Convention, 4-6 Dec, BHU, Varanasi, pp231-232 (Poster presentation).
A Das, L Rangan* (2009). Effect of plant growth regulators and culture conditions on shoot multiplication in three medicinally important Zingiber species of Northeast India. International Conference on Emerging Trends in Biotechnology, 6th BRSI Annual Convention, 4-6 Dec, BHU, Varanasi, pp095-096 (Poster presentation).
L Rangan*, V Kesari (2009). Pongamia pinnata – Sustainable Source of Feedstock for Biofuel. TWAS Regional Young Scientist Conference, Food, Health and Fuel: Plants for the Future, 2-5 Nov, Malaysia, p47 (Best Poster Award).
V Kesari, D Suman, L Rangan* (2009). Physiological and phylogenetic characterization of Rhizobium radiobacter sp. nov. isolated from root nodules of a potential biodiesel crop - Pongamia pinnata. TWAS Regional Young Scientist Conference, 2-5 Nov, Malaysia, p23 (Oral Presentation).
A Das, V Kesari, L Rangan* (2009). Antimicrobial activity of rhizome extracts of some important gingers of Northeast India. TWAS Regional Young Scientist Conference, 2-5 Nov, Malaysia, p71 (Poster presentation).
L Rangan*, A Rout, M Sudarshan, G Gregorio (2009). Role of translation initiation factor (eIF1) gene in salt stress response in rice. 5th International Rice Genetics Symposium (Poster presentation).
A Das, V Kesari, MS Vinod, A Parida, L Rangan* (2008). Genetic diversity analysis of Curcuma species of Northeast India using RAPD and SSR markers. International Conference on Plant Biotechnology and Molecular Biology, 15-17 Aug, Warangal, Andhra Pradesh, p87 (Poster presentation).
S Aggarwal, A Das, V Kesari, M Sudarshan, MS Vinod, A Parida, GC Sharma, L Rangan* (2008). Use of plastid-specific DNA barcodes to identify and characterize the Curcuma species of Northeast India. International Conference on Plant Biotechnology and Molecular Biology, 15-17 Aug, Warangal, Andhra Pradesh, p87 (Poster presentation).
S Agarwal, A Das, V Kesari, GC Sarma, L Rangan* (2008). Use of DNA Barcodes to identify Curcuma sp. of Northeast India. International Conference on Emerging Technologies and Applications in Engineering, Technology and Sciences (ICETAETS 2008), 13-14 Jan, Rajkot, p (Oral presentation).
V Kesari, A Das, A Krishnamachari, L Rangan (2008). Extraction and physico-chemical properties of seed oil from candidate plus tree of P. pinnata. ICETAETS 2008, 13-14 Jan, Rajkot, p2116 (Oral presentation).
L Rangan*, M Jaiswal, M Prasanna (2007). Resonant Recognition model for prediction of lead in regions in proteins. Frontiers in Convergence of Bioscience and Information Technologies, 11-13 Oct, Jeju Island, Korea, p24 (Oral presentation).
L Rangan* (2006). Building public-private partnership in agricultural biotechnology. 4th International Symposium on Biotechnology and Biocontrol, 27-29 Nov, Madurai, TN, India, p174 (Oral presentation).
L Rangan*, AK Srivastava, C Vogel (2006). Consensus sequence and its significance in the sequenced genome of rice, O. sativa. 2nd International Rice Congress, 9-14 Oct, New Delhi, India, p103 (Oral presentation).
SN Mishra, L Rangan*, S Mitra (2006). Inventory of methane and nitrous oxide emission from agricultural soils of India: Assam as a case study. 2nd International Rice Congress, 9-14 Oct, New Delhi, India, p461 (Poster presentation).
V Kesari, L Rangan* (2006). In vitro propagation of potential biodiesel plant, Pongamia pinnata (L.) Pierre. International Conference on Biofuel Vision 2015, 13-15 Oct, Bikaner, India, p169 (Oral Presentation).
L Rangan, R Rubia, R Abdullah, J Bennett, S Daskalova, A Gaudinova, M Kaminek, GS Khush, AC McCormac, S Peng, NW Scott, C-L Zhang, MC Elliott (2003). Enhancement of cereal grain yield by genetic manipulation of phytohormone levels. MSSRF Inter-Disciplinary Dialogue, 9-12 Jan, Chennai, India, p5 (Plenary presentation).
MC Elliott, R Abdullah, J Bennett, NE Borlaug, MR Fowler, GS Khush, M Kaminek, S Peng, L Rubia, NW Scott, A Slater, C-L Zhang, L Rangan* (2003). Crop biotechnology is under siege: We are not tuning a cosy consensus (Plenary Lecture). MSSRF Inter-Disciplinary Dialogue, 9-12 Jan, Chennai, India, p3 (Plenary presentation).
L Rangan*, R Abdullah, L Rubia, N Scott, A Slater, M Flower, S Daskalova, C L Zhang, M Elliott (2003). Clean-gene transformation vectors with senescence-specific and endosperm-specific promoters for rice genetic manipulation. International Society for Plant Molecular Biology Conference, 22-27 June, Barcelona, Spain, p164 (Poster presentation).
Rubia L, L Rangan, Abdullah R, Kaminek M, Scott N, Slater A, Elliott M (2003). Effects of expression of the cytokinin gene under the control of senescence and endosperm-specific promoters in transgenic rice. ISPMB Conference, 22-27 June, Barcelona, Spain, p159 (Poster presentation).
R Abdullah, L Rangan, L Rubia, CL Zhang, N Scott, M Elliott (2003). Towards a higher rice yield potential via Agrobacterium-mediated gene transfer. ISPMB Conference, 22-27 June, Barcelona, Spain, p159 (Poster presentation).
CL Zhang, S Daskalova, XC Jiang, A Sorokin, L Rubia, L Rangan, M Mishra, M Fowler, J Bennett, G Khush, SB Peng, N Scott, A Slater, M Elliott (2003). Genomic/transgenic approaches to cereal improvement. ISPMB Conference, 22-27 June, Barcelona, Spain, p158 (Poster presentation).
L Rangan*, H Hosseini, J Bennett, MS Swaminathan, MC Elliott (2002). Protein changes in response to salt stress in Porteresia coarctata Tateoka. International Rice Congress, 16-20 Sep, Beijing, China, p323 (Poster presentation).
L Rangan, S Hosseini, J Bennett, MS Swaminathan, MC Elliott, NW Scott (2002). Molecular cloning and expression of stress-responsive eIF1 gene in Porteresia coarctata Tateoka. 10th International Association of Plant Tissue Culture and Biotechnology Congress, 23-28 June, Orlando, Florida, USA, 49-A (Poster presentation).
MC Elliott, J Bennett, NE Borlaug, S Daskalova, MR Fowler, X-C Jiang, M Kaminek, GS Khush, AC McCormac, MK Mishra, SB Peng, L Rangan, L Rubia, NW Scott, A Slater, CL Zhang (2002). Rice biotechnology versus the anti-science zealots (Plenary Lecture). International Rice Congress 2002, 16-20 Sep, Beijing, China, p121 (Plenary talk).
S Hosseini, L Rangan, A Arif, L Wade, R Lafitte, G Gregorio, B Ghareyazie, J Bennett (2000). A proteomics approach to enhancing drought and salinity tolerance in rice. Symposium on Improving Tolerance to Abiotic Stresses in Rainfed Lowland Rice. International Rice Research Institute, 21-22 Oct, Los Banos, Philippines (Oral presentation).
L Rangan, S Constantino, GS Khush, MS Swaminathan, J Bennett (2000). Applicability of PCR-based technique for mining of stress genes in rice and related genera. 23rd International Rice Research Conferences. IRRI, 30 Mar-4 Apr, Los Banos, Philippines (Poster presentation).
CS Rao, P Eganathan, A Anand, L Rangan, P Balakrishna (1998). Application of biotechnology and classical breeding methods in the genetic enhancement of mangroves. International Symposium on Mangroves Ecology and Biology, 25-27 Apr, Kuwait (Plenary talk).
L Rangan, CS Rao, R Finch, P Balakrishna (1996). Micropropagation studies in wild relative of rice, Porteresia coarctata (Roxb.) Tateoka. 2nd International Crop Science Congress, 17-24 Nov, New Delhi, India (Poster presentation).
R Singh, S Kumar, L Rangan (2024). Karanjin as a promising antiviral against NDV – insights from in-vitro, in-silico, and in-ovo studies. Winter Symposium & SouthZone MICROCON 2024, Christian Medical College, Vellore, Tamil Nadu, India, 1-3 Feb 2024, pp69.
Idrishi R, Singha S, L Rangan (2024). "Unveiling the tapestry of Black rice of Assam and Manipur, India", Compendium: "A Fine-Grained Heritage- Rice in India’s historical, cultural and aesthetic landscapes", ICA Weekend, 6-7 Apr 2024, India International Centre, Delhi.
Nuzelu, L Rangan, R Swaminathan (2023). Monitoring Protein-DNA interaction using Protein Charge Transfer Spectra (ProCharTS). 45th Indian Biophysical Society Meeting, NCBS Bangalore, 27-29 Mar 2023.
R Idrishi, S Singha, L Rangan (2023). Black rice starch: A nutritive alternative to conventional starch sources. Research and Industrial Conclave-Integration 2023, IIT Guwahati, Assam, India.
L Rangan (2021). Flow Mining for Genome Size Estimation. 22nd Indo-US Flow Cytometry Workshop, 22-28 Feb 2021.
L Rangan (2021). Homeopathy & Traditional Medicine: Herbals & High Dilution of Drugs for Human Health and Agriculture. Live Webinar, 20 Jan 2021.
L Rangan (2020). Role of biotechnology in understanding the impact of climate change on plants. CRT, IIT Guwahati Webinar, 8 Dec 2020.
L Rangan (2020). Bio-economy Research & Innovation for Post-COVID world. 5th Northeast Green Summit 2020, 16-18 Nov 2020.
L Rangan (2020). Mining Pongamia alias ‘Karanj’- Journey So Far. National Seminar in Women in Science- The Northeast Chapter, Tripura University, 7 Nov 2020 (Webinar).
L Rangan (2020). Herbal therapeutic product development. QIP sponsored event on "Tools and practices for New Product Development for food and bio Industries", 6 Nov 2020, CRT, IIT Guwahati (Webinar).
L Rangan (2020). Zingiberaceae: Ethno-medicinal usage and Genome variation. Webinar, Mizoram University, 7 Sep 2020.
L Rangan (2020). GM Seeds and IPR: Two opposite sides of the same coin. Two Days Webinar Symposium, NERIST, 4 Aug 2020.
L Rangan. Basics of IPR. IPR Conclave, USTM, 16 Aug 2019.
Das Reshmi, L Rangan* (2019). Stress evaluation in non-edible oil crops – anatomical, physiological and phytochemical approach. Indian Plant Science Congress (IPSC’19), 23-25 Jan 2019, pp45.
Shelke Rahul G, L Rangan* (2019). Identification and characterization of genetic repeat elements from Pongamia pinnata for genetic diversity analysis. IPSC’19, 23-25 Jan 2019, pp51.
Sadokpam Shreekant, Chakrabartty Ishani, L Rangan* (2019). Anti-bacterial susceptibility assessment of microemulsion formulation of labdane from Alpinia nigra. IPSC’19, 23-25 Jan 2019, pp108.
Gupta Manish Kumar, L Rangan (2019). 3,5-dihydroxy-4’7-dimethoyflavone: structural characterization, enzyme kinetics, and in-silico approach against melanogenic activity. IPSC’19, 23-25 Jan 2019, pp115.
Chakrabartty Ishani, Kalita Naba Kumar, Katiyar Vimal, L Rangan (2019). Physico-rheological characterization of organically derived seed samples from Alpinia nigra. IPSC’19, 23-25 Jan 2019, pp116.
Singh Anuma, Ansari Mohd. Ziauddin, L Rangan*, Swaminathan Rajaram* (2019). UV-visible absorption and fluorescence spectra of Karanjin in different solvents and solvent mixture. IPSC’19, 23-25 Jan 2019, pp117.
SenthilKumar Sanjana, L Rangan*, Swaminathan Rajaram* (2019). Effect of extraction solvent system on the native structure of the plant metabolites: A study on para-coumaric acid from Mesua ferrea. IPSC’19, 23-25 Jan 2019, pp117.
L Rangan (2018). Applied Biodiversity for Ensuring Food and Health Security. Workshop on Ecosystem Approaches to Food and Water Security for Rural Livelihoods, 10 Sep 2018, IIT Guwahati.
Gupta MK, L Rangan (2018). 3.5-dihydroxy-4’7-dimethoxyflavone: Isolation and characterization from Alpinia nigra. Trends in Biochemical and Biomedical Research (TBBR), 13-15 Feb 2018, Banaras Hindu University, Varanasi, pp143.
Rahul GS, L Rangan. Study of expression of repetitive elements and their application for gene-linked marker development in Pongamia pinnata. Genomics Analysis & Technology Conference (GATC 2018), 7-9 Jan 2018, Guwahati University.
Chakrabartty I, Panda AN, Khare A, L Rangan (2017). FT-IR, FT-Raman, NMR and SERS studies of labdane diterpene from Alpinia nigra. National Workshop on Fluorescence and Raman Spectroscopy (FCS), 17-21 Dec 2017, IIT Guwahati, pp123.
Singh A, L Rangan, Swaminathan R (2017). UV-Visible absorbance and fluorescence of KARANJIN in different solvents and solvent mixtures. National Workshop on Fluorescence and Raman Spectroscopy (FCS 2017), 17-21 Dec 2017, IIT Guwahati.
Chakrabartty I, L Rangan (2017). Understanding the unique inhibitory potential of (E)-labda-8(17),12-diene-15,16-dial, a bioactive compound from Alpinia nigra, on the growth kinetics of Candida albicans. Bioprocessing India, 9-11 Dec 2017, IIT Guwahati, pp84.
Chakrabartty I, Vijayasekhar A, L Rangan* (2017). Viability assessment of bacteria under the treatment of (E)-labda-8(17),12-diene-15,16-dial, a bioactive compound from the seeds of Alpinia nigra. TRNPTU, 21 Nov 2017, IASST Guwahati, pp13. (1st Prize in Best Poster Category)
Sadokpam S, Chakrabartty I, L Rangan* (2017). Formulation strategies and anti-candidal assessment of a labdane-type diterpene from Alpinia nigra. TRNPTU, 21 Nov 2017, IASST Guwahati, pp24.
R Das, L Rangan* (2017). Assessment of genome content, chromosome number and cell phenotypic features in Mesua ferrea L. Research Conclave, IIT Guwahati, pp64.
S Sanjana, R Swaminathan*, L Rangan* (2017). Downstream processing of polyphenols from medicinal plants: A review. Research Conclave, IIT Guwahati, pp65.
S Sanjana, R Swaminathan*, L Rangan* (2017). Economical Rotary Evaporator. Research Conclave, IIT Guwahati, pp65.
Chakrabartty I, L Rangan* (2017). (E)-labda-8(17),12-diene-15,16-dial from Alpinia nigra: Is it a potential agent against Candida albicans? 3rd Research Conclave, 16-19 Mar 2017, IIT Guwahati, pp106. (Departmental Winner in Best Poster Category)
Vijayshekhar A, Chakrabartty I, Khare A, L Rangan* (2017). Effect of labdane diterpene dialdehyde – a bioactive compound from the seeds of Alpinia nigra, on erythrocytes. 3rd Research Conclave, 16-19 Mar 2017, IIT Guwahati, pp96.
Shelke RG, L Rangan (2017). Identification and characterization of Long interspersed nuclear elements (LINEs) in Pongamia, Ricinus and Jatropha. Research Conclave'17, 16-19 Mar 2017, IIT Guwahati, India.
I Chakrabartty, L Rangan (2016). Isolation, identification and flow cytometric investigation of DNA leakage from Candida albicans upon treatment with (E)-labda-8(17),12-diene-15,16 from Alpinia nigra. 9th TCS Annual Event and Flow Cytometry Workshop, 3-5 Nov 2016, IIT Guwahati.
R Das, L Rangan (2016). Estimation of nuclear genome size, chromosome number determination and cell phenotypic investigation in Mesua ferrea L., a valuable biodiesel plant. 9th TCS Annual Event and Flow Cytometry Workshop, 3-5 Nov 2016, IIT Guwahati.
S Mahato, A Singh, L Rangan, CK Jana (2016). Synthesis, in silico studies and in vitro evaluation for antioxidant and antibacterial properties of diarylmethylamines: a novel class of structurally simple and highly potent pharmacophore. 9th TCS Annual Event and Flow Cytometry Workshop, 3-5 Nov 2016, IIT Guwahati.
AJ Bora, R Das, VS Mohalkar, L Rangan (2016). Flow cytometry based genome size estimation of most potent invasive weeds as a new feedstock for biorefinery. 9th TCS Annual Event and Flow Cytometry Workshop, 3-5 Nov 2016, IIT Guwahati.
L Rangan, A Singh, RG Shelke, R Das, AM Ramesh, V Kesari, P Scott & P Gresshoff (2015). New positives of biotech research in renewable energy resources – Success story of Pongamia. National Seminar on Biofuel: A Search for New Fire, SIBBR&D, Cochin, 17-18 Dec 2015, pp22-25.
Sudipta Ghosh, L Rangan* (2014). Application of Flow Cytometry on Biological Evaluation of Labdane Diterpenes from Alpinia nigra. TCS Annual Cytometry Meet, AIIMS, 25-27 Oct 2014.
AM Ramesh, V Kesari, L Rangan (2014). Characterization of a stearoyl-acyl carrier protein desaturase gene from potential biofuel plant, P. pinnata. National Conference on Science of Omics for Agricultural Productivity: Future Perspectives, 4-6 Mar 2014, G.B. Pant University of Agriculture & Technology, Pantnagar (Uttarakhand), pp181. (Student Awarded Young Scientist Award)
P Gupta, L Rangan (2014). Investigating the contextual bias around TIS in plants and a comparative analysis thereof between monocots and dicots. National Conference on Science of Omics for Agricultural Productivity: Future Perspectives, 4-6 Mar 2014, G.B. Pant University, Pantnagar, pp51.
S Basak, L Rangan (2014). Genetic diversity and nuclear DNA content in Turmeric of Northeast India. National Conference on Perspectives & Trends in Plant Sciences and Biotechnology (PTPB-2014), Punjab University, Chandigarh, 21-23 Feb 2014, pp145. (Poster Award – Consolation Prize)
Rahul G Shelke, AM Ramesh, L Rangan (2014). Identification and characterization of Copia-like retrotransposons from the genome of P. pinnata. PTPB-2014, Punjab University, Chandigarh, 21-23 Feb 2014, pp120.
Singh A, L Rangan (2013). Isolation and characterization of bioactive compounds from the seeds of P. pinnata. 5th IYSC, 6-9 Dec 2013, Santiniketan, WB, pp51.
L Rangan (2013). Application and advances made in Flow Cytometry in Plant Sciences. 5th IYSC, 6-9 Dec 2013, Santiniketan, Viswa Bharti, WB. (Invited Talk – Panel Discussion)
A Krishan, L Rangan (2013). Flow Cytometry and Plant DNA analysis. 14th Indo-US Workshop on Flow Cytometry, 28-30 Oct 2013, SRM, Chennai. (Workshop Mentor and Invited Talk)
L Rangan, V Kesari, AM Ramesh, R Shelke, A Singh (2013). Advancement in Potential Tree Legume – Pongamia pinnata. National Seminar on Tree Biotechnology, 23-24 Sep 2013, Coimbatore, TN. (Invited Plenary Talk)
L Rangan (2012). Genome mining in Zingiberaceae. Colloquium of DBT’s Overseas Associates of NE Region, 20 Dec, Khanapara, Assam.
R Choudhury, R Swaminathan, L Rangan (2012). Comparative flow cytometric estimation of nuclear genome size of Pongamia pinnata and in vitro raised plants. 5th Annual Meeting of the Cytometry Society, 12-13 Oct 2012, Kolkata, pp36 (Poster Presentation)
L Rangan (2012). Characterization of Pongamia pinnata – a versatile legume. 99th Indian Science Congress, Invited lecture in section of Plant Sciences, 3-7 Jan 2012, Bhubaneswar, p30. (Prof Hiralal Chakravarty Memorial Award Lecture in Plant Sciences) (Oral presentation)
L Rangan, V Kesari, MS Vinod, A Parida (2012). Molecular markers based characterization in versatile forest tree species, P. pinnata. 99th Indian Science Congress, 3-7 Jan 2012, Bhubaneswar, p49. (Oral presentation in Agriculture Section)
S Basak, A Nandy, L Rangan (2011). Inhibition studies of cellulolytic activities isolated from Fusarium oxysporum. National Symposium on ‘Microorganisms and Plant Health’, 24th Annual General Meeting of Indian Phytopathological Society, 4-5 Nov 2011, Gauhati University, Assam, pp46. (Oral presentation)
V Kumar, S Ghosh, V S Hedaoo, U Bora, L Rangan (2011). Physico-chemical characterization and antimicrobial activity from rhizome essential oil of Alpinia nigra. 3rd Edition of Indian Youth Science Congress, 3-5 Nov 2011, Delhi, p67. (Poster presentation)
V S Hedaoo, S Basak, V Kumar, S Ghosh, U Bora, L Rangan (2011). Molecular marker based characterization in Alpinia nigra. 3rd Edition of Indian Youth Science Congress, 3-5 Nov 2011, Delhi, p18. (Oral presentation)
AM Ramesh, V Kesari, L Rangan (2011). Rhizobium pongamiae sp. nov., from root nodules of a versatile legume Pongamia pinnata L. National Seminar on Emerging Trends in Biotechnology, 24-26 Sep 2011, pp97-98.
AM Ramesh, A Das, N Kasoju, U Bora, L Rangan (2011). Chemical and biological investigation of essential oil of Z. moran, an endemic species from Northeast India. National Seminar on Emerging Trends in Biotechnology, 24-26 Sep 2011, pp163-164.
V Kesari, A Das, L Rangan* (2010). Genetic relationship of Curcuma species from North East India using PCR based markers. National Conference on Innovations in Biotechnology, 7-8 Oct 2010, Chennai. (Oral Presentation) (Nominated for C.V. Jacob Award for Best Original Paper Presentation for Plant Biotechnology & Spices)
A Das, N Kasoju, U Bora, L Rangan* (2010). Biochemical, antimicrobial and pharmacological screening of flavonoids from Z. moran of Northeast India. National Conference on Emerging Trends in Biopharmaceuticals: Relevance to Human Health & 4th Annual Convention of Association of Biotechnology and Pharmacy, 11-14 Nov 2010, Thapar University, Patiala, pp34. (Oral presentation)
V Kesari, AM Ramesh, L Rangan* (2010). Characterization in candidate plus trees (CPTs) of Pongamia pinnata (L.) Pierre, a versatile legume from North Guwahati – A review. 33rd Conference of Indian Botanical Society and International Symposium on the New Horizons of Botany, 10-12 Nov 2010, Shivaji University, Kolhapur, Maharashtra, p217. (Poster presentation)
Tushar, S Aggarwal, MS Vinod, A Parida, L Rangan* (2010). Mining of Curcuma species from Assam using plastid specific DNA barcodes. First National Conference on Biotechnology, Bioinformatics and Bioengineering, 17-18 Dec 2010, Dharmapuri, Tamil Nadu, pp39.
V Kesari, S Ramachandran, AM Ramesh, MS Vinod, A Parida, L Rangan* (2010). Morphological and biomolecular approach in CPTs of P. pinnata, a promising crop from North Guwahati. 2nd Edition of Indian Youth Science Congress, 26-28 Jun 2010, Chennai, p119. (Poster presentation) (AWARDED BEST POSTER IN ENERGY AND ENVIRONMENTAL SCIENCE)
V Kesari, MS Vinod, A Parida, L Rangan (2009). Genetic diversity studies in candidate plus trees of biodiesel plant Pongamia pinnata using molecular markers. 96th Indian Science Congress, 3-7 Jan 2009, NEHU Shillong, p39. (Poster presentation)
L Rangan, C Vogel, AK Srivastava (2008). Context sequence and their prediction of start codon. 95th Indian Science Congress, 3-7 Jan 2008, Vishakhapatnam, p7. (Oral presentation)
S Saurav, R Anand, L Rangan (2007). GM Seed and Biodiversity: Two opposite sides of IPR. National Seminar on Biodiversity Exploration, Utilization and Conservation of Natural Resources with special reference to Northeast India, North East Biotech Consortium, ERD Foundation, 18-19 Dec 2007, Guwahati, p20. (Oral presentation)
L Rangan (2006). Introduction to Intellectual Property Rights. Regional Seminar on Awareness Programme on Intellectual Property Rights and Patents for Capacity Building for Northeast, 15-17 Sep 2006, IIT Guwahati. (Oral presentation)
Rao CS, Radha R, Eganatha P, Shankar HMS, L Rangan, Kesavan PC (2001). National Symposium on "Strategies and Modern Tools for the Conservation of Medicinal Plants". Department of Botany, St. Joseph's College (Autonomous), 5-6 Feb 2001, Tiruchirapalli, p1-2. (Oral presentation)
L Rangan, Balakrishna P (1998). Analysis of genetic relationship using AFLP markers for wild rice, Porteresia coarctata T. 1st National Plant Breeding Congress, 1-3 Jul 1998, Coimbatore. (Oral presentation)
A personal memoir reflecting on decades of association
with Prof. M. S. Swaminathan — as mentor, guide, scientist,
and compassionate human being. Through cherished memories
from MSSRF and beyond, this account offers a glimpse into
the life lessons, scientific vision, and enduring legacy
of one of India's greatest agricultural leaders.