Dr. Natchimuthu Karmegam
Associate ProfessorDepartment of Botany, Government Arts College, Salem, Tamilnadu, India
Highest Degree
Ph.D. in Vermitechnology from Gandhigram Rural Institute, India
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Area of Interest:
Selected Publications
- Preethi, P.S., S. Vickram, R. Das, N.M. Hariharan and M. Rameshpathy et al., 2023. Bioprospecting of novel peroxidase from Streptomyces coelicolor strain SPR7 for carcinogenic azo dyes decolorization. Chemosphere, Vol. 310. 10.1016/j.chemosphere.2022.136836.
CrossRef | Direct Link | - Maheswaran, B., M. Al-Ansari, L. Al-Humaid, J.S. Raj, W. Kim, N. Karmegam and K.M. Rafi, 2023. In vivo degradation of polyethylene terephthalate using microbial isolates from plastic polluted environment. Chemosphere, Vol. 310. 10.1016/j.chemosphere.2022.136757.
CrossRef | Direct Link | - Krishnan, R.Y., S. Manikandan, R. Subbaiya, N. Karmegam, W. Kim and M. Govarthanan, 2023. Recent approaches and advanced wastewater treatment technologies for mitigating emerging microplastics contamination-A critical review. Sci. Total Environ., Vol. 858. 10.1016/j.scitotenv.2022.159681.
CrossRef | Direct Link | - Yasasve, M., M. Manjusha, D. Manojj, N.M. Hariharan, P.S. Preethi, P. Asaithambi, N. Karmegam and M. Saravanan, 2022. Unravelling the emerging carcinogenic contaminants from industrial waste water for prospective remediation by electrocoagulation-A review. Chemosphere, 10.1016/j.chemosphere.2022.136017.
CrossRef | Direct Link | - Thanigaivel, S., S. Vickram, S. Manikandan, S.R. Deena and R. Subbaiya et al., 2022. Sustainability and carbon neutralization trends in microalgae bioenergy production from wastewater treatment: A review. Bioresour. Technol., Vol. 364. 10.1016/j.biortech.2022.128057.
CrossRef | Direct Link | - Thanigaivel, S., S. Vickram, N. Dey, G. Gulothungan and R. Subbaiya et al., 2022. The urge of algal biomass-based fuels for environmental sustainability against a steady tide of biofuel conflict analysis: Is third-generation algal biorefinery a boon? Fuel, Vol. 317. 10.1016/j.fuel.2022.123494.
CrossRef | Direct Link | - Selvakumar, P., A.A. Adane, T. Zelalem, B.M. Hunegnaw and V. Karthik, et al., 2022. Optimization of binary acids pretreatment of corncob biomass for enhanced recovery of cellulose to produce bioethanol. Fuel, 10.1016/j.fuel.2022.124060.
CrossRef | Direct Link | - Rajadurai, M., N. Karmegam, S. Kannan, A. Yuvaraj and R. Thangaraj, 2022. Vermiremediation of engine oil contaminated soil employing indigenous earthworms, Drawida modesta and Lampito mauritii. J. Environ. Manage., Vol. 301. 10.1016/j.jenvman.2021.113849.
CrossRef | Direct Link | - Priyadharshini, S.D., S. Manikandan, R. Kiruthiga, U. Rednam and P.S. Babu, et al., 2022. Graphene oxide-based nanomaterials for the treatment of pollutants in the aquatic environment: Recent trends and perspectives – A review. Environ. Pollut., 10.1016/j.envpol.2022.119377.
CrossRef | Direct Link | - Preethi, P.S., N.M. Hariharan, S. Vickram, M. Rameshpathy and S. Manikandan et al., 2022. Advances in bioremediation of emerging contaminants from industrial wastewater by oxidoreductase enzymes. Bioresour. Technol., Vol. 359, 10.1016/j.biortech.2022.127444.
CrossRef | Direct Link | - Manikandan, S., R. Subbaiya, M. Biruntha, R.Y. Krishnan, G. Muthusamy and N. Karmegam, 2022. Recent development patterns, utilization and prospective of biofuel production: Emerging nanotechnological intervention for environmental sustainability-A review. Fuel, Vol. 314. 10.1016/j.fuel.2021.122757.
CrossRef | Direct Link | - Maheswaran, B., N. Karmegam, M. Al-Ansari, R. Subbaiya, L. Al-Humaid, J.S. Raj and M. Govarthanan, 2022. Assessment, characterization, and quantification of microplastics from river sediments. Chemosphere, 10.1016/j.chemosphere.2022.134268.
CrossRef | Direct Link | - Madhumitha, C.T., N. Karmegam, M. Biruntha, A. Arun, A.A. Al Kheraif, W. Kim and P. Kumar, 2022. Extraction, identification, and environmental risk assessment of microplastics in commercial toothpaste. Chemosphere, Vol. 296. 10.1016/j.chemosphere.2022.133976.
CrossRef | Direct Link | - Krishnan, R.Y., S. Manikandan, R. Subbaiya, W. Kim, N. Karmegam and M. Govarthanan, 2022. Advanced thermochemical conversion of algal biomass to liquid and gaseous biofuels: A comprehensive review of recent advances. Sustainable Energy Technol. Assess., 10.1016/j.seta.2022.102211.
CrossRef | Direct Link | - Krishnan, R.Y., S. Manikandan, R. Subbaiya, M. Biruntha, R. Balachandar and N. Karmegam, 2022. Origin, transport and ecological risk assessment of illicit drugs in the environment-A review. Chemosphere, 10.1016/j.chemosphere.2022.137091.
CrossRef | Direct Link | - Kavitha, K., J.A.J. Paul, P. Kumar, J. Archana, H.F. Begam, N. Karmegam and M. Biruntha, 2022. Impact of biosynthesized CuO nanoparticles on seed germination and cyto-physiological responses of Trigonella foenum-graecum and Vigna radiata. Mater. Lett., Vol. 313. 10.1016/j.matlet.2022.131756.
CrossRef | Direct Link | - Kaushal, J., A. Raina, G. Singh, M. Khatri and S.K. Arya, et al., 2022. Methodical study implicating the effectiveness of Microbial treatment over Xylanase Enzymatic treatment for Pulp Bio-bleaching. Environ. Technol. Innovation, Vol. 28. 10.1016/j.eti.2022.102731.
CrossRef | Direct Link | - Dey, N., S. Vickram, S. Thanigaivel, R. Subbaiya, W. Kim, N. Karmegam and M. Govarthanan, 2022. Nanomaterials for transforming barrier properties of lignocellulosic biomass towards potential applications-A review. Fuel, Vol. 316. 10.1016/j.fuel.2022.123444.
CrossRef | Direct Link | - Dey, N., S. Vickram, S. Thanigaivel, C. Kamatchi, R. Subbaiya, N. Karmegam and M. Govarthanan, 2022. Graphene materials: Armor against nosocomial infections and biofilm formation – A review. Environ. Res., 10.1016/j.envres.2022.113867.
CrossRef | Direct Link | - Devi, M.K., S. Manikandan, M. Oviyapriya, M. Selvaraj and M.A. Assiri, et al., 2022. Recent advances in biogas production using Agro-Industrial Waste: A comprehensive review outlook of Techno-Economic analysis. Bioresour. Technol., 10.1016/j.biortech.2022.127871.
CrossRef | Direct Link | - Devi, M.K., N. Karmegam, S. Manikandan, R. Subbaiya and H. Song, et al., 2022. Removal of nanoplastics in water treatment processes: A review. Sci. Total Environ., 10.1016/j.scitotenv.2022.157168.
CrossRef | Direct Link | - Deena, S.R., A.S. Vickram, S. Manikandan, R. Subbaiya, N. Karmegam, B. Ravindran, S.W. Chang and M.K. Awasthi, 2022. Enhanced biogas production from food waste and activated sludge using advanced techniques-A review. Bioresour. Technol., 10.1016/j.biortech.2022.127234.
CrossRef | Direct Link | - Ayyamperumal, R., X. Huang, S.B.M. Khalith, N. Karmegam and K.D. Arunachalam et al., 2022. Environmental Evidence and Behaviour of Mercury Emissions, Biogeochemical Cycle, and Remediation in Earth Systems. In: Bioremediation of Toxic Metal(loid)s, Malik, A., M.K. Kidwai and V.K. Garg (Eds.), CRC Press, Boca Raton, Florida, ISBN: 9781003229940, Pages: 17.
CrossRef | Direct Link | - Yuvaraj, A., R. Thangaraj, N. Karmegam, B. Ravindran, S.W. Chang, M.K. Awasthi and S. Kannan, 2021. Activation of biochar through exoenzymes prompted by earthworms for vermibiochar production: a viable resource recovery option for heavy metal contaminated soils and water. Chemosphere, 10.1016/j.chemosphere.2021.130458.
CrossRef | Direct Link | - Yuvaraj, A., R. Thangaraj and N. Karmegam, 2021. Bio-management of textile industrial wastewater sludge using earthworms: a doable strategy toward sustainable environment. In: Handbook of Solid Waste Management, Baskar, C., S. Ramakrishna, S. Baskar, R. Sharma, A. Chinnappan and R. Sehrawat, Springer Singapore Switzerland, ISBN-13 978-981-15-7525-9, pp 1-19.
CrossRef | Direct Link | - Yuvaraj, A., M. Govarthanan, N. Karmegam, M. Biruntha and D.S. Kumar et al., 2021. Metallothionein dependent-detoxification of heavy metals in the agricultural field soil of industrial area: earthworm as field experimental model system. Chemosphere, 10.1016/j.chemosphere.2020.129240.
CrossRef | Direct Link | - Ravindran, B., N. Karmegam, M.K. Awasthi, S.W. Chang and P.K. Selvi et al., 2021. Valorization of food waste and poultry manure through co-composting amending saw dust, biochar and mineral salts for value-added compost production. Bioresour. Technol., Vol. 346. 10.1016/j.biortech.2021.126442.
CrossRef | Direct Link | - Ravindran, B., N. Karmegam, A. Yuvaraj, R. Thangaraj and S.W. Chang et al., 2021. Cleaner production of agriculturally valuable benignant materials from industry generated bio-wastes: a review. Bioresour. Technol., 10.1016/j.biortech.2020.124281.
CrossRef | Direct Link | - Ravindran, B., M.K. Awasthi, N. Karmegam, S.W. Chang and D.K. Chaudhary et al., 2021. Co-composting of food waste and swine manure augmenting biochar and salts: nutrient dynamics, gaseous emissions and microbial activity. Bioresour. Technol., 10.1016/j.biortech.2021.126300.
CrossRef | Direct Link | - Priyadharshini, S.D., P.S. Babu, S. Manikandan, R. Subbaiya and M. Govarthanan et al. 2021. Phycoremediation of Wastewater for Pollutant Removal: A Green Approach to Environmental Protection and Long-Term Remediation. Environ. Pollut. 10.1016/j.envpol.2021.117989.
CrossRef | Direct Link | - Kumar, S.D., M. Yasasve, G. Karthigadevi, M. Aashabharathi, R. Subbaiya, N. Karmegam and M. Govarthanan, 2021. Efficiency of microbial fuel cells in the treatment and energy recovery from food wastes: Trends and applications - A review. Chemosphere, Vol. 287. 10.1016/j.chemosphere.2021.132439.
CrossRef | Direct Link | - Jeyaprakasam, A., B. Muniyandi, A.J.P. James, N. Karmegam and K. Ponnuchamy, 2021. Assessment of earthworm diversity and pesticide toxicity in Eudrilus eugeniae. Environ. Chem. Ecotoxicol., 3: 23-30.
CrossRef | Direct Link | - Jayakumar, M., N. Karmegam, M.P. Gundupalli, K.B. Gebeyehu and B.T. Asfaw et al., 2021. Heterogeneous base catalysts: synthesis and application for biodiesel production-a review. Bioresour. Technol., 10.1016/j.biortech.2021.125054.
CrossRef | Direct Link | - Jayakumar, M., K.B. Gebeyehu, K.V. Selvakumar, S. Parvathy, W. Kim and N. Karmegam, 2021. Waste ox bone based heterogeneous catalyst synthesis, characterization, utilization and reaction kinetics of biodiesel generation from Jatropha curcas oil. Chemosphere, Vol. 2021. 10.1016/j.chemosphere.2021.132534.
CrossRef | Direct Link | - Jayakumar, M., A.N. Emana, R. Subbaiya, M. Ponraj and K.A. Kumar et al., 2021. Detoxification of coir pith through refined vermicomposting engaging Eudrilus eugeniae. Chemosphere, Vol. 2021. 10.1016/j.chemosphere.2021.132675.
CrossRef | Direct Link | - Deepthi, M.P., P. Kathireswari, J. Rini, K. Saminathan and N. Karmegam, 2021. Vermitransformation of monogastric elephas maximus and ruminant bos taurus excrements into vermicompost using eudrilus eugeniae. Bioresour. Technol., 10.1016/j.biortech.2020.124302.
CrossRef | Direct Link | - Chung, W.J., S.W. Chang, D.K. Chaudhary, J.D. Shin and H. Kim et al., 2021. Effect of biochar amendment on compost quality, gaseous emissions and pathogen reduction during in-vessel composting of chicken manure. Chemosphere, Vol. 273. 10.1016/j.chemosphere.2021.131129.
CrossRef | Direct Link | - Yuvaraj, A., R. Thangaraj, B. Ravindran, S.W. Chang and N. Karmegam, 2020. Centrality of cattle solid wastes in vermicomposting technology – A cleaner resource recovery and biowaste recycling option for agricultural and environmental sustainability. Environ. Pollut., 10.1016/j.envpol.2020.115688.
CrossRef | Direct Link | - Yuvaraj, A., N. Karmegam, B. Ravindran, S.W. Chang, M.K. Awasthi, S. Kannan and R. Thangaraj, 2020. Recycling of leather industrial sludge through vermitechnology for a cleaner environment—A review. Ind. Crops Prod., Vol. 155. 10.1016/j.indcrop.2020.112791.
CrossRef | Direct Link | - Thangamani, R., L. Baskaran, M. Prakash and N. Karmegam, 2020. Effect of pre-composting on seed viability and subsequent vermicomposting of an invasive alien weed, Alternanthera ficoidea (L.) P. Beauv. Int. J. Curr. Res. Biosci. Plant Biol., 7: 37-45.
CrossRef | Direct Link | - Thangamani, R., L. Baskaran and N. Karmegam, 2020. Alarming spread of invasive weeds: A qualitative assessment and scope for sustainable weed biomass utilization. Int. J. Curr. Res. Biosci. Plant Biol., 6: 20-25.
CrossRef | Direct Link | - Sivagami, M., M. Selvambigai, U. Devan, A.A.J. Velangani, N. Karmegam, M. Biruntha, A. Arun, W. Kim, M. Govarthanan and P. Kumar, 2020. Extraction of microplastics from commonly used sea salts in India and their toxicological evaluation. Chemosphere, 10.1016/j.chemosphere.2020.128181.
CrossRef | Direct Link | - Singh, A., N. Karmegam, G.S. Singh, T. Bhadauria and S.W. Chang et al., 2020. Earthworms and vermicompost: an eco-friendly approach for repaying nature’s debt. Environ. Geochem. Health., 10.1007/s10653-019-00510-4.
CrossRef | Direct Link | - Rini, J., M.P. Deepthi, K. Saminathan, R.T. Narendhirakannan, N. Karmegam and P. Kathireswari, 2020. Nutrient recovery and vermicompost production from livestock solid wastes with epigeic earthworms. Bioresour. Technol., 10.1016/j.biortech.2020.123690.
CrossRef | Direct Link | - Poornima, S., P. Divya, N. Karmegam, V. Karthik and R. Subbaiya, 2020. Aqueous two-phase partitioning and characterization of xylanase produced by Streptomyces geysiriensis from low cost lignocellulosic substrates. J. Biosci. Bioeng., 10.1016/j.jbiosc.2020.07.008.
CrossRef | Direct Link | - Manikandan, S., N. Karmegam, R. Subbaiya, G.K. Devi, R. Arulvel, B. Ravindran and M.K. Awasthi, 2020. Emerging nano-structured innovative materials as adsorbents in wastewater treatment. Bioresour. Technol., 10.1016/j.biortech.2020.124394.
CrossRef | Direct Link | - Karmegam, N., M. Jayakumar, M. Govarthanan, P. Kumar, B. Ravindran and M. Biruntha, 2020. Precomposting and green manure amendment for effective vermitransformation of hazardous coir industrial waste into enriched vermicompost. Biores. Technol., 10.1016/j.biortech.2020.124136.
CrossRef | Direct Link | - Deepthi, M.P., S. Nivethitha, K. Saminathan, R.T. Narendhirakannan, N. Karmegam and P. Kathireswari, 2020. Effect of vermiwash prepared from livestock biowaste as vermiponics medium on the growth and biochemical indices of Amaranthus viridis L. Environ. Technol. Innovation, 10.1016/j.eti.2020.101300.
CrossRef | Direct Link | - Balachandar, R., M. Prakash and N. Karmegam, 2020. Statistical optimization of culture conditions for the production of bioactive compounds by Streptomyces spp. isolated from vermicasts. Int. J. Curr. Res. Biosci. Plant Biol., 6: 1-7.
CrossRef | Direct Link | - Balachandar, R., M. Biruntha, A. Yuvaraj, R. Thangaraj and R. Subbaiya et al., 2020. Earthworm intervened nutrient recovery and greener production of vermicompost from Ipomoea staphylina – An invasive weed with emerging environmental challenges. Chemosphere, Vol. 263. 10.1016/j.chemosphere.2020.128080.
CrossRef | Direct Link | - Yuvaraj, A., N. Karmegam, S. Tripathi, S. Kannan and R. Thangaraj, 2019. Environment-friendly management of textile mill wastewater sludge using epigeic earthworms: Bioaccumulation of heavy metals and metallothionein production. J. Environ. Manage., Vol. 254, 10.1016/j.jenvman.2019.109813.
CrossRef | Direct Link | - Karmegam, N., P. Vijayan, M. Prakash and J.A.J. Paul, 2019. Vermicomposting of paper industry sludge with cowdung and green manure plants using Eisenia fetida: A viable option for cleaner and enriched vermicompost production. J. Cleaner Prod., 228: 718-728.
CrossRef | Direct Link | - Biruntha, M., P. Mariappan, B.K. Selvi, J.A.J. Paul and N. Karmegam, 2019. Vermiremediation of urban and agricultural biomass residues for nutrient recovery and vermifertilizer production. Waste Biomass. Valor., 10.1007/s12649-019-00899-0.
CrossRef | Direct Link | - Biruntha, M., N. Karmegam, J. Archana, B.K. Selvi and J.A.J. Paul et al., 2019. Vermiconversion of biowastes with low-to-high C/N ratio into value added vermicompost. Bioresour. Technol., Vol. 297, 10.1016/j.biortech.2019.122398.
CrossRef | Direct Link | - Balachandar, R., P. Gurumoorthy, N. Karmegam, H. Barabadi and R. Subbaiya et al., 2019. Plant-mediated synthesis, characterization and bactericidal potential of emerging silver nanoparticles using stem extract of Phyllanthus pinnatus: A recent advance in phytonanotechnology. J. Cluster Sci., 10.1007/s10876-019-01591-y.
CrossRef | Direct Link | - Balachandar, R., N. Karmegam, R. Subbaiya, P. Boomi, D. Karthik and M. Saravanan, 2019. Optimization of culture medium for improved production of antimicrobial compounds by Amycolatopsis sp.-AS9 isolated from vermicasts. Biocatal. Agric. Biotechnol., Vol. 20. 10.1016/j.bcab.2019.101186.
CrossRef | Direct Link | - Balachandar, R., L. Baskaran, A. Yuvaraj, R. Thangaraj and R. Subbaiya et al., 2019. Enriched pressmud vermicompost production with green manure plants using Eudrilus eugeniae. Bioresour. Technol., Vol. 299, 10.1016/j.biortech.2019.122578.
CrossRef | Direct Link | - Ananthavalli, R., V. Ramadas, J.A.J. Paul, B.K. Selvi and N. Karmegam, 2019. Vermistabilization of seaweeds using an indigenous earthworm species, Perionyx excavates (Perrier). Ecol. Eng., 130: 23-31.
CrossRef | Direct Link | - Ananthavalli, R., V Ramadas, J.A.J. Paul, B.K. Selvi and N. Karmegam, 2019. Seaweeds as bioresources for vermicompost production using the earthworm, Perionyx excavates (Perrier). Bioresour. Technol., 275: 394-401.
CrossRef | Direct Link | - Yuvaraj, A., N. Karmegam and R. Thangaraj, 2018. Vermistabilization of paper mill sludge by an epigeic earthworm Perionyx excavates: Mitigation strategies for sustainable environmental management. Ecol. Eng., 120: 187-197.
CrossRef | Direct Link | - Balachandar, R., N. Karmegam, M. Saravanan, R. Subbaiya and P. Gurumoorthy, 2018. Synthesis of bioactive compounds from vermicast isolated actinomycetes species and its antimicrobial activity against human pathogenic bacteria. Microbial. Pathog., 121: 155-165.
CrossRef | Direct Link | - Balachandar, R., N. Karmegam and J. Praburaj, 2017. Identification of Bioactive Compounds from Ethyl Acetate Extracts of Actinomycetes Isolated from Vermicast Soil. In: Conference Proceedings on Life Science: Research, Practices and Application for Sustainable Development, Ponmurugan, P., V. Ramasubramanian and T. Marimuthu (Eds.)., MacMilan Publishers, USA., pp: 62-70.
- Shanmugam, S., S. Balamurugan, B. Raja, R. Nagaraj, K. Rajendran and N. Karmegam, 2016. Floral diversity of Vaigai river in Thiruppuvanam region of Sivagangai district, Tamil Nadu, Southern India. Int. J. Curr. Res. Biosci. Plant Biol., 33: 96-105.
CrossRef | Direct Link | - Shanmugam, S., R. Nagaraj, S. Balamurugan, B. Raja, K. Rajendran and N. Karmegam, 2016. Floristic composition of weeds in coconut (Cocos nucifera L.) plantations of Sivagangai district, Tamil Nadu, Southern India. Int. J. Curr. Res. Biosci. Plant Biol., 3: 121-126.
CrossRef | Direct Link | - Jeyanthi, V., J.A.J. Paul, B.K. Selvi, M. Biruntha and N. Karmegam, 2016. Coelomic fluid protein profiling and heavy metal accumulation of three earthworms after exposure to pesticide and metal stress. Int. J. Adv. Multidiscip. Res., 3: 84-91.
- Jeyanthi, V., J.A.J. Paul, B.K. Selvi and N. Karmegam, 2016. Comparative study of biochemical responses in three species of earthworms exposed to pesticide and metal contaminated soil. Environ. Process., 3: 167-178.
CrossRef | Direct Link | - Balachandar, R., K.A. Kumar and N. Karmegam, 2016. GC-MS analysis of ethyl acetate extract of Sterptomyces species isolated from vermicast. Int. J. Pharma Bio Sci., 7: 416-419.
Direct Link | - Karmegam, N., R. Nagaraj, S. Karuppusamy and M. Prakash, 2015. Biological and pharmacological activities of Andrographis spp.(Acanthaceae) distributed in southern Eastern Ghats, India. Int. J. Curr. Res. Biosci. Plant Biol., 24: 140-143.
- John Paul, J.A., B.K. Selvi and N. Karmegam, 2015. Biosynthesis of silver nanoparticles from Premna serratifolia L. leaf and its anticancer activity in CCl4-induced hepato-cancerous Swiss albino mice. Applied Nanosci., 5: 937-944.
CrossRef | Direct Link | - Rajasekar, K., T. Daniel and N. Karmegam, 2012. Microbial enrichment of vermicompost. ISRN Soil Sci., Vol. 2012. 10.5402/2012/946079.
CrossRef | Direct Link | - Prakash, M. and N. Karmegam, 2012. In-Vitro Antibacterial Activity of Certain Plant Extracts Against Plant Disease Causing Bacteria Isolated from Citrus Plant. Int. J. Curr. Microbiol. Appl. Sci., 1: 1-11.
Direct Link | - Karmegam, N., M. Jayakumar and S. Karuppusamy, 2012. Synergistic antibacterial activity of four medicinal plants collected from Dharapuram Taluk of Truppur District, South India. J. Plant Sci., 7: 32-38.
CrossRef | Direct Link | - Karmegam, N. and K. Rajasekar, 2012. Enrichment of biogas slurry vermicompost with azotobacter chroococcum and bacillus megaterium. J. Envir. Sci. Technol., 5: 91-108.
CrossRef | - Paul, J.A.J., N. Karmegam and T. Daniel, 2011. Municipal Solid Waste (MSW) vermicomposting with an epigeic earthworm, Perionyx ceylanensis Mich. Bioresour. Technol., 102: 6769-6773.
CrossRef | PubMed | - Sekar, K.R. and N. Karmegam, 2010. Earthworm casts as an alternate carrier material for biofertilizers: Assessment of endurance and viability of Azotobacter chroococcum, Bacillus megaterium and Rhizobium leguminosarum. Sci. Hortic., 124: 286-289.
CrossRef | Direct Link | - Prakash, M. and N. Karmegam, 2010. Vermistabilization of pressmud using Perionyx ceylanensis Mich. Bioresour. Technol., 101: 8464-8468.
CrossRef | Direct Link | - Prakash, M. and N. Karmegam, 2010. Dynamics of nutrients and microflora during vermicomposting of mango leaf litter (Mangifera indica) using Perionyx ceylanensis. Int. J. Global Environ. Issues, 10: 339-353.
Direct Link | - Kale, R.D. and N. Karmegam, 2010. The role of earthworms in tropics with emphasis on Indian ecosystems. Applied Environ. Soil Sci., Vol. 2010 10.1155/2010/414356.
CrossRef | - Sekar, K.R. and N. Karmegam, 2009. Suitability of vermicasts as carrier material for a biofertilizer, Azosprillum brasilense (MTCC 4036). Dyn. Soil Dyn. Plant, 3: 143-146.
Direct Link | - Sekar, K.R. and N. Karmegam, 2009. Efficiency of the Earthworm, Eisenia fetida (Sav.) in vermistabiliation of silkworm litter mixed with leaf litter. Int. J. Applied Environ. Sci., 4: 481-486.
- Prakash, M., M. Jeyakumar and N. Karmegam, 2009. Vermistabiliation of paper mill sludge using the earthworm Perionyx ceylanensis: Influence on physico-chemical and microbiological status. Indian J. Applied Microbiol., 10: 20-25.
- Nagaraju, M, B. Kadalmani, N. Karmegam, K. Palanivel and K. Shyam, 2009. Effect of distillery effluent on root-knot nematode Meloidogne incognita in growth of tomato and brinjal. J. Chem. Pharm. Sci., 2: 207-211.
Direct Link | - Karmegam, N. and T. Daniel, 2009. Investigating efficiency of Lampito mauritii (Kinberg) and Perionyx ceylanensis Michaelsen for vermicomposting of different types of organic substrates. The Environ., 29: 287-300.
CrossRef | Direct Link | - Karmegam, N. and T. Daniel, 2009. Growth, reproductive biology and life cycle of the vermicomposting earthworm, Perionyx ceylanensis Mich. (Oligochaeta: Megascolecidae). Bioresour. Technol., 100: 4790-4796.
CrossRef | PubMed | Direct Link | - Karmegam, N. and T. Daniel, 2009. Effect of application of vermicasts as layering media for an ornamental plant, Codiaeum variegatum (L.) Bl. Dyn. Soil Dyn. Plant, 3: 100-104.
Direct Link | - Jayakumar, M., V. Karthikeyan and N. Karmegam, 2009. Comparative studies on physico-chemical, microbiological and enzymatic activities of vermicasts of the earthworms, Eudrilus eugeniae, Lampito mauritii and Perionyx ceylanensis cultured in press mud. Int. J. Applied Agric. Res., 4: 75-85.
- Bharathiraja, B., J. Jayamuthunagai, M. Jayakumar and N. Karmegam, 2009. Biosynthesis of cellulose protein from cheaper substrates using mixed culture of Trichoderma reesei and Penicillium funiculosum-a novel approach. Int. J. Applied Bioeng., 3: 11-16.
- Prakash, M., M. Jayakumar and N. Karmegam, 2008. Physico-chemical characteristics and fungal flora in the casts of the earthworm, Perionyx ceylanensis Mich. Reared in Polyalthia longifolia leaf litter. J. Applied Sci. Res., 4: 53-57.
- Paul, J.A.J., M. Biruntha, K. Saravanan and N. Karmegam, 2008. Enhancement of microbial load by vermicomposting native earthworms, Perionyx ceylanensis and Perionyx excavates in different substrates. Indian J. Applied Microbiol., 8: 15-18.
- Murugaian, P., V. Ramamurthy and N. Karmegam, 2008. Protein conversion efficiency of Labeo rohita in different cultural conditions. Int. J. Applied Environ. Sci., 3: 57-64.
Direct Link | - Murugaian, P., V. Ramamurthy and N. Karmegam, 2008. Hepatoprotective activity of Wedelia calendulacea L. against acute hepatotoxicity in rats. Res. J. Agric. Biol. Sci., 4: 685-687.
Direct Link | - Murugaian, P., V. Ramamurthy and N. Karmegam, 2008. Effect of temperature on the behavioural and physiological responses of catfish, Mystus gulio (Hamilton). J. Applied Sci. Res., 4: 1454-1457.
Direct Link | - Karmegam, N., S. Karuppusamy, M. Prakash, M. Jayakumar and K. Rajasekar, 2008. Antibacterial potency and synergistic effect of certain plant extracts against food-borne diarrheagenic bacteria. Int. J. Biomed. Pharm. Sci., 2: 88-93.
Direct Link | - Karmegam, N. and T. Daniel, 2008. Effect of vermicompost and chemical fertilizer on growth and yield of hyacinth bean, Lablab purpureus (L.) sweet. Dyn. Soil Dyn. Plant, 2: 77-81.
- Prakash, M., V. Karthikeyan and N. Karmegam, 2007. Bacteriological studies in the fish samples with special reference to Vibrio parahaemolyticus. J. Ecobiol., 20: 175-178.
- Prakash, M., K. Rajasekar and N. Karmegam, 2007. Prevalence of methicillin resistant Staphylococcus aureus in clinical samples collected from Kanchipuram Town, Tamil Nadu, South India. J. Applied Sci. Res., 3: 1705-1709.
Direct Link | - Prakash, M., K. Rajasekar and N. Karmegam, 2007. Bacterial population of raw milk and their proteolytic and lipolytic activities. Res. J. Agric. Biol. Sci., 3: 848-851.
Direct Link | - Karmegam, N. and T. Daniel, 2007. Effect of physico-chemical parameters on earthworm abundance: A quantitative approach. J. Applied Sci. Res., 3: 1369-1376.
Direct Link | - Prakash, M., V. Karthikeyan, S. Karuppusamy and N. Karmegam, 2006. Synergistic activity of certain plant extracts against Methicillin resistant Staphylococcus aureus (MRSA). J. Ecotoxicol. Environ. Monit., 16: 387-389.
- Prakash, M., V. Karthikeyan and N. Karmegam, 2006. Determination of total counts of psychrotrophic bacteria and coliforms in milk samples. J. Ecotoxicol. Environ. Monit., 16: 291-296.
- Prakash, M., S.A. Kumar and N. Karmegam, 2006. Synergistic effect of selected medicinal plant extracts against certain bacteria. Indian J. Applied Microbiol., 6: 16-17.
- Paul, J.A.J., N. Karmegam and T. Daniel, 2005. Effect of worm population on biomass of Eudrilus eugeniae in municipal solid waste and the status of microorganisms. J. Ecobiol., 17: 567-570.
- Karuppusamy, S. and N. Kamegam, 2005. Screening of ethno medicinal plants of Dindigul District (South India), for antimicrobial activity. J. Ecobiol., 17: 455-460.
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