Ahmad M, Sik Ok Y, Rajapaksha AU, Lim JE, Kim B-Y, Ahn J-H, Lee YH, Al-Wabel MI, Lee S-E, Lee SS. Lead and copper immobilization in a shooting range soil using soybean stover-and pine needle-derived biochars: Chemical, microbial and spectroscopic assessments. Journal of hazardous materials. 2016;301:179–186.

Zhang M, Ahmad M, Al-Wabel MI, Vithanage M, Rajapaksha AU, Kim HS, Lee SS, Sik Ok Y. Adsorptive removal of trichloroethylene in water by crop residue biochars pyrolyzed at contrasting temperatures: Continuous fixed-bed experiments. Journal of Chemistry. 2015;2015.

Rajapaksha AU, Mohan D, Igalavithana AD, Lee SS, Sik Ok Y. Definitions and Fundamentals of Biochar. Biochar: Production, Characterization, and Applications. 2015:4.

Ahmed MBM, Rajapaksha AU, Lim JE, Vu NT, Kim IS, Kang HM, Lee SS, Sik Ok Y. Distribution and accumulative pattern of tetracyclines and sulfonamides in edible vegetables of cucumber, tomato, and lettuce. Journal of agricultural and food chemistry. 2015;63:398–405.

Rajapaksha AU, Vithanage M, Ahmad M, Seo D-C, Cho J-sik, Lee S-E, Lee SS, Sik Ok Y. Enhanced sulfamethazine removal by steam-activated invasive plant-derived biochar. Journal of hazardous materials. 2015;290:43–50.

Vithanage M, Rajapaksha AU, Ahmad M, Uchimiya M, Dou X, Alessi DS, Sik Ok Y. Mechanisms of antimony adsorption onto soybean stover-derived biochar in aqueous solutions. Journal of environmental management. 2015;151:443–449.

Rajapaksha AU, Ahmad M, Vithanage M, Kim K-R, Chang JY, Lee SS, Sik Ok Y. The role of biochar, natural iron oxides, and nanomaterials as soil amendments for immobilizing metals in shooting range soil. Environmental geochemistry and health. 2015;37:931–942.

Vithanage M, Rajapaksha AU, Zhang M, Thiele-Bruhn S, Lee SS, Sik Ok Y. Acid-activated biochar increased sulfamethazine retention in soils. Environmental Science and Pollution Research. 2015;22:2175–2186.

Lim JE, Rajapaksha AU, Jeong SH, Kim SC, Kim KH, Lee SS, Sik Ok Y. Monitoring of selected veterinary antibiotics in animal carcass disposal site and adjacent agricultural soil. Journal of Applied Biological Chemistry. 2014;57:189–196.

Rajapaksha AU, Vithanage M, Ahmad M, Kang H, Lee H-S, Chang SX, Sik Ok Y. Role of Biochar and Nano Materials as Amendments for Immobilizing Metals in Shooting Range Soil. 한국토양비료학회 학술발표회 초록집. 2014:207–207.

Vithanage M, Rajapaksha AU, Bootharaju MS, Pradeep T. Surface complexation of fluoride at the activated nano-gibbsite water interface. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2014;462:124–130.

Vithanage M, Almaroai YA, Rajapaksha AU, Sung JK, Moon DH, Sik Y. Combined Effects of Carbon Nanotube and Biochar on Phytotoxicity of Heavy Metals in Shooting Range Soils. 한국토양비료학회 학술발표회 초록집. 2014:211–211.

Rajapaksha AU, Vithanage M, Lim JE, Ahmed MBM, Zhang M, Lee SS, Sik Ok Y. Invasive plant-derived biochar inhibits sulfamethazine uptake by lettuce in soil. Chemosphere. 2014;111:500–504.

Almaroai YA, Vithanage M, Rajapaksha AU, Lee SS, Dou X, Lee YH, Sung J-K, Sik Ok Y. Natural and synthesised iron-rich amendments for As and Pb immobilisation in agricultural soil. Chemistry and Ecology. 2014;30:267–279.

Rajapaksha AU, Vithanage M, Zhang M, Ahmad M, Mohan D, Chang SX, Sik Ok Y. Pyrolysis condition affected sulfamethazine sorption by tea waste biochars. Bioresource technology. 2014;166:303–308.

Rajapaksha AU, Igalavithana AD, Sik Ok Y. Removal of Hexavalent Chromium in Aqueous Solutions Using Different Biochars. 한국토양비료학회 학술발표회 초록집. 2014:209–209.

Rajapaksha AU, Igalavithana AD, ALAM M. REMOVAL OF HEXAVALENT CHROMIUM IN AQUEOUS SOLUTIONS USING DIFFERENT BIOCHARS AND CHARACTERIZATION OF THE PRODUCTS OF THE CR (VI) ADSORPTION AND REDUCTION, in 2014 GSA Annual Meeting in Vancouver, British Columbia.; 2014.

Vithanage M, Rajapaksha AU, Tang X, Thiele-Bruhn S, Kim KH, Lee S-E, Sik Ok Y. Sorption and transport of sulfamethazine in agricultural soils amended with invasive-plant-derived biochar. Journal of environmental management. 2014;141:95–103.

Ahmad M, Rajapaksha AU, Lim JE, Zhang M, Bolan N, Mohan D, Vithanage M, Lee SS, Sik Ok Y. Biochar as a sorbent for contaminant management in soil and water: a review. Chemosphere. 2014;99:19–33.

Herath HMLI, Rajapaksha AU, Vithanage M, Seneviratne G. Developed fungal–bacterial biofilms as a novel tool for bioremoval of hexavelant chromium from wastewater. Chemistry and Ecology. 2014;30:418–427.