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    Publisher: Science Alert
   
  Singapore Journal of Scientific Research is a quarterly, peer-reviewed international research journal that addresses both applied and theoretical issues. The scope of the journal encompasses research articles, original research reports, reviews, short communications and scientific commentaries in the fields of applied and theoretical sciences, biology, chemistry, physics, zoology, medical studies, environmental sciences, mathematics, statistics, geology, engineering, agricultural engineering, computer science, social sciences, natural sciences, technological sciences, linguistics, medicine, industrial and all other applied and theoretical sciences.

Singapore Journal of Scientific Research now accepting new submissions. Submit your best paper via online submission system.
  Editor-in-Chief:  Rosna Mat Taha
 
 
Chidambarampadmavathy, K., O.P. Karthikeyan and K. Heimann, 2015. Biopolymers made from methane in bioreactors. Eng. Life Sci., 15: 689-699.
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Chidambarampadmavathy, K., P. Obulisamy and K. Heimann, 2015. Role of copper and iron in methane oxidation and bacterial biopolymer accumulation. Eng. Life Sci., 15: 387-399.
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Esakku, S., O.P. Karthikeyan, R. Nagendran and K. Joseph, 2008. Heavy metal fractionation and leachability studies on fresh and partially decomposed municipal solid wast. Pract. Periodicals Hazardous, Toxic Radio Waste Manage., 12: 127-132.
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Ganesh, G., O.P. Karthikeyan and K. Joseph, 2010. Enhancing the hydrolysis step in anaerobic digestion of municipal solid waste using rumen fluid. Int. J. Environ. Technol. Manage., 13: 311-321.
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Hao, H.T.N., O.P. Karthikeyan and K. Heimann, 2015. Bio-refining of carbohydrate-rich food waste for biofuels. Energies, 8: 6350-6364.
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Heimann, K., O.P. Karthikayan and S. Cires, 2013. Turning bad gas into good solids. Queensland Min. Energy Bull., 2013: 92-96.
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Heimann, K., O.P. Karthikeyan and S.S. Muthu, 2017. Biodegradation and Bioconversion of Hydrocarbons. Springer, Singapore., ISBN: 978-981-10-0199-4, Pages: 350..
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Karthikeyan, O.P. and C. Visvanathan, 2012. Effect of C/N ratio and ammonia-N accumulation in a pilot-scale thermophilic dry anaerobic digester. Bioresour. Technol., 113: 294-302.
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Karthikeyan, O.P. and C. Visvanathan, 2013. Bio-energy recovery from high-solid organic substrates by dry anaerobic bio-conversion processes: A review. Rev. Environ. Sci. Bio/Technol., 12: 257-284.
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Karthikeyan, O.P. and C. Visvanathan, 2014. ChemInform abstract: Bio-energy recovery from high-solid organic substrates by dry anaerobic bio-conversion processes: A review. ChemInform, Vol. 45. 10.1002/chin.201426286.
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Karthikeyan, O.P. and K. Joseph, 2008. Chemical precipitation of Ammonia-N as Struvite (MAP) from landfill leachate-effect of molar ratio upon recovery. Int. J. Solid Waste Technol. Manage., 34: 20-26.
Karthikeyan, O.P., A. Rajasekar and R. Balasubramanian, 2015. Bio-oxidation and bio-cynadization of refractory mineral ores for gold extraction: A review. Crit. Rev. Environ. Sci. Technol., 45: 1611-1643.
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Karthikeyan, O.P., A. Selvam and J.W. Wong, 2016. Hydrolysis-acidogenesis of food waste in solid-liquid-separating continuous stirred tank reactor (SLS-CSTR) for volatile organic acid production. Bioresour. Technol., 200: 366-373.
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Karthikeyan, O.P., K. Chidambarampadmavathy, S. Cires and K. Heimann, 2015. Review of sustainable methane mitigation and biopolymer production. Crit. Rev. Environ. Sci. Technol., 45: 1579-1610.
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Karthikeyan, O.P., K. Chidambarampadmavathy, S. Nadarajan and K. Heimann, 2016. Influence of nutrients on oxidation of low level methane by mixed methanotrophic consortia. Environ. Sci. Pollut. Res., 23: 4346-4357.
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Karthikeyan, O.P., K. Chidambarampadmavathy, S. Nadarajan, P.K. Lee and K. Heimann, 2015. Effect of CH4/O2 ratio on fatty acid profile and polyhydroxybutyrate content in a heterotrophic-methanotrophic consortium. Chemosphere, 141: 235-242.
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Karthikeyan, O.P., K. Heimann and S.S. Muthu, 2017. Recycling of solid waste for Biofuel and Biochemical. Springer, Singapore., ISBN: 978-981-10-0150-5, Pages: 200..
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Karthikeyan, O.P., K. Joseph and S. Esakku, 2012. Methane emission potential of open dumps in Chennai: A case study. Int. J. Environ. Technol. Manage., 15: 291-304.
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Karthikeyan, O.P., M. Swati, K. Joseph and R. Nagendran, 2007. Performance of bioreactor landfill with waste mined from dumpsite. J. Environ. Monit. Assess., 135: 141-151.
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Karthikeyan, O.P., S. Murugesan, K. Joseph and L. Philip, 2011. Characterization of particulate matters and volatile organic compounds in the ambient environment of open dumpsites. Univ. J. Environ. Res. Technol., 1: 140-150.
Karthikeyan, O.P., S. Murugesan, K. Joseph and R. Nagendran, 2008. Leaching of Inorganic Pollutants from fresh and mined waste: A lysimeter study under tropical conditions. Int. J. Environ. Waste Manage., 2: 49-64.
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Nithikul, J., O.P. Karthikeyan and C. Visvanathan, 2011. Reject management from a mechanical biological treatment plant in Bangkok, Thailand. Resou. Conserv. Recycling, 55: 417-422.
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Obulisamy, P.K., J.S.Y. May and B. Rajasekar, 2016. Gradient packing bed bio-filter for landfill methane mitigation. Bioresour. Technol., 10.1016/j.biortech.2016.01.059.
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Razaghi, A., O.P. Karthikeyan, H.N. Hao and K. Heimann, 2016. Hydrolysis treatments of fruit and vegetable waste for production of biofuel precursors. Bioresour. Technol., 10.1016/j.biortech.2016.03.041.
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Salini, S., O.P. Karthikeyan and K. Joseph, 2010. Biological stability of municipal solid waste from simulated landfills under tropical environment. Bioresoruce Technol., 101: 845-852.
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Sethurajan, M., R. Aruliah, O.P. Karthikeyan and R. Balasubramanian, 2012. Bioleaching of copper from black shale ore using mesophilic mixed populations in an air up-lift bioreactor. Environ. Eng. Manage. J., 11: 1839-1848.
Swati, M., O.P. Karthikeyan, K. Joseph and R. Nagendran, 2007. Landfill bioreactor-a biotechnological solution for waste management. J. Sci. Ind. Res., 66: 589-674.
Swati, M., O.P. Karthikeyan, K. Joseph, C. Visvanathan and R. Nagendran, 2010. Pilot-scale simulation of landfill bioreactor and controlled dumping of fresh and partially stabilized municipal solid waste in a tropical developing country. J. Hazard. Toxic Radioact. Waste, 15: 321-330.
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Visvanathan, C., N.H. Yin and O.P. Karthikeyan, 2010. Co-disposal of electronic waste with municipal solid waste in bioreactor landfills. Waste Manage., 30: 2608-2614.
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Visvanathan, C., O.P. Karthikeyan and K.H. Park, 2011. Sustainable landfilling in tropical conditions: Comparison between open and closed cell approach. Waste Manage. Res., 29: 386-396.
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Wong, J.W., A. Selvam, Z. Zhao, O.P. Karthikeyan, S.M. Yu, A.C. Law and P.C. Chung, 2012. In-vessel co-composting of horse stable bedding waste and blood meal at different C/N ratios: Process evaluation. Environ. Technol., 33: 2561-2567.
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Xu, S., A. Selvam, O.P. Karthikeyan and J.W. Wong, 2014. Responses of microbial community and acidogenic intermediates to different water regimes in a hybrid solid anaerobic digestion system treating food waste. Bioresour. Technol., 168: 49-58.
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Xu, S.Y., H.P. Lam, O.P. Karthikeyan and J.WC. Wong, 2011. Optimization of food waste hydrolysis in leach bed coupled with methanogenic reactor: Effect of pH and bulking agent. Bioresour. Technol., 102: 3702-3708.
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Xu, S.Y., O.P. Karthikeyan, A. Selvam and J.W. Wong, 2012. Effect of inoculum to substrate ratio on the hydrolysis and acidification of food waste in leach bed reactor. Bioresour. Technol., 126: 425-430.
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Xu, S.Y., O.P. Karthikeyan, A. Selvam and J.W. Wong, 2014. Microbial community distribution and extracellular enzyme activities in leach bed reactor treating food waste: Effect of different leachate recirculation practices. Bioresour. Technol., 168: 41-48.
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