Dr. Yong Sik Ok (2018 Web of Science Highly Cited Researcher) is a Full Professor in the Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Korea. He also served a number of positions worldwide including Honorary Professor at the University of Queensland, Australia, Visiting Professor at the Tsinghua University, China, Adjunct Professor at the University of Wuppertal, Germany and Guest Professor at the Ghent University Global Campus, Ghent University, Belgium. Prof. Ok held Visiting Professorships in the Department of Renewable Resources (University of Alberta), in the Faculty of Bioscience Engineering (Ghent University), in the Department of Civil and Environmental Engineering (Hong Kong Polytechnic University) and in the Department of Chemical and Biomolecular Engineering (National University of Singapore).

Prof. Ok's academic background covers waste management, bioavailability of emerging contaminants, and bioenergy and value-added products such as biochar. Prof. Ok also has experience in fundamental soil science and remediation of various contaminants in soils and sediments. Together with graduate students and colleagues, Prof. Ok has published over 600 research papers, 38 of which were ranked as Web of Science ESI top papers (34 nominated as "Highly Cited Papers" and 4 nominated as "Hot Paper").

Prof. Ok maintains a worldwide professional network through his service as a Co-Editor-in-Cheif for Critical Reviews in Environmental Science and Technology, and Associate Editor for Environmental Pollution and Bioresource Technology, and as a Member of the Editorial Boards of Chemosphere, Journal of Analytical and Applied Pyrolysis and several other top journals in the field. Prof. Ok is the founding chair and organizer of many internationally leading conferences, such as The 20th International Conference on Heavy Metals in the Environment (ICHMET 2020, Korea) and The 9th International Conference on Geochemistry in the Tropics & Sub-Tropics (GEOTROP 2019, Australia). https://koreauniv.pure.elsevier.com/en/persons/yong-sik-ok-2

Publications

(> 550 Journal Articles, Scopus Author ID: 7003403766, ORCID: http://orcid.org/0000-0003-3401-0912)

Highly Cited Paper (Data from Essential Science Indicators. As of October 2018, these highly cited papers received enough citations to place them in the top of the academic field of engineering, environment/ ecology, biology and biochemistry, plant and animal science, agricultural science based on a highly cited threshold for the field and publication year)

  1. Ahmad, M., Rajapaksha, A.U., Lim, J.E., Zhang, M., Bolan, N., Mohan, D., Vithanage, M., Lee, S.S. and Ok, Y.S.* (2014) Biochar as a sorbent for contaminant management in soil and water: A review. Chemosphere, 99:19-33 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (*Corresponding Author) (3rd Hottest Article, January to December 2014 full year; 6th Most Downloaded Article, September and October 2014, 3rd Hottest Article, January to March 2015; 3rd Most Downloaded Article, July to September 2015; 4th Most Downloaded Article, January to December 2015 full year to present) (Times cited: 742 from Web of Science Core Collection)
  2. Mohan, D., Sarswat, A., Ok, Y.S. and Pittman, C.U. (2014) Organic and inorganic contaminants removal from water with biochar, a renewable, low cost and sustainable adsorbent-A critical review. Bioresource Technology, 160:191-202 (IF 5.807) (JCR Top 10% (Q1), Agricultural Engineering: 1/14) (11th Most Downloaded Article, September and October 2014; 14th Most Downloaded Article, January to December 2014 full year; 20th Most Downloaded Article, January to December 2015 full year to present) (Times cited: 501 from Web of Science Core Collection)
  3. Ahmad, M., Lee, S.S., Dou, X., Mohan, D., Sung, J.K., Yang, J.E. and Ok, Y.S.* (2012) Effects of pyrolysis temperature on soybean stover- and peanut shell-derived biochar properties and TCE adsorption in water. Bioresource Technology, 118:536-544 (IF 5.807) (JCR Top 10% (Q1), Agricultural Engineering: 1/14) (*Corresponding Author) (Times cited: 280 from Web of Science Core Collection)
  4. Rajapaksha, A.U., Chen, S.S., Tsang, D.C.W., Zhang, M., Vithanage, M., Mandal, S., Gao, B., Bolan, N.S. and Ok, Y.S.* (2016) Engineered/designer biochar for contaminant removal/immobilization from soil and water: Potential and implication of biochar modification. Chemosphere, 148:276-291 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (*Corresponding Author) (Times cited: 131 from Web of Science Core Collection)
  5. Inyang, M.I., Gao, B., Yao, Y., Xue, Y., Zimmerman, A., Mosa, A., Pullammanappallil, P., Ok, Y.S. and Cao, X. (2016) A review of biochar as a low-cost adsorbent for aqueous heavy metal removal. Critical Reviews in Environmental Science and Technology, 46(4):406-433 (IF 7.683) (JCR Top 2.5% (Q1), Environmental Sciences: 16/229) (Times cited: 126 (from Web of Science Core Collection)
  6. Stefaniuk, M., Oleszczuk, P. and Ok, Y.S. (2016) Review on nano zerovalent iron (nZVI): From synthesis to environmental applications. Chemical Engineering Journal, 287:618-632 (IF 6.735) (JCR Top 5% (Q1), Engineering, Chemical: 7/137) (Times cited: 104 from Web of Science Core Collection)
  7. Ahmad, M., Lee, S.S., Lim, J.E., Lee, S.E., Cho, J.S., Moon, D.H., Hashimoto, Y. and Ok, Y.S.* (2014) Speciation and phytoavailability of lead and antimony in a small arms range soil amended with mussel shell, cow bone and biochar: EXAFS spectroscopy and chemical extractions. Chemosphere, 95:433-441 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (*Corresponding Author) (Times cited: 94 from Web of Science Core Collection)
  8. Park, J.H., Ok, Y.S., Kim, S.H., Cho, J.S., Heo, J.S., Delaune, R.D. and Seo, D.C. (2016) Competitive adsorption of heavy metals onto sesame straw biochar in aqueous solutions. Chemosphere, 142:77-83 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (Times cited: 90 from Web of Science Core Collection)
  9. Awad, Y.M., Blagodatskaya, E., Ok, Y.S.* and Kuzyakov, Y. (2012) Effects of polyacrylamide, biopolymer, and biochar on decomposition of soil organic matter and plant residues as determined by 14C and enzyme activities. European Journal of Soil Biology, 48:1-10 (IF 2.068) (JCR (Q2), Soil Science: 19/34) (*Corresponding Author) (Times cited: 87 from Web of Science Core Collection)
  10. Choppala, G., Saifullah, Bolan, N., Bibi, S., Iqbal, M., Rengel, Z., Kunhikrishnan, A., Ashwath, N. and Ok, Y.S. (2014) Cellular mechanisms in higher plants governing tolerance to cadmium toxicity. Critical Reviews in Plant Sciences, 33:374-391 (IF 6.162) (JCR Top 5% (Q1), Plant Science: 10/222) (Times cited: 67 from Web of Science Core Collection)
  11. Lu, K., Yang, X., Gielen, G., Bolan, N., Ok, Y.S., Niazi, N.K., Xu, S., Yuan, G., Chen, X., Zhang, X., Liu, D., Song, Z., Liu, X. and Wang, H. (2017) Effect of bamboo and rice straw biochars on the mobility and redistribution of heavy metals (Cd, Cu, Pb and Zn) in contaminated soil. Journal of Environmental Management, 186(2):285-292 (IF 4.005) (JCR Top 25% (Q1), Environmental Sciences: 47/241) (Times cited: 60 from Web of Science Core Collection)
  12. Rajapaksha, A.U., Vithanage, M., Ahmad, M., Seo, D.C., Cho, J.S., Lee, S.E., Lee, S.S. and Ok, Y.S.* (2015) Enhanced sulfamethazine removal by steam-activated invasive plant-derived biochar. Journal of Hazardous Materials, 290:43-50 (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125) (*Corresponding Author) (Times cited: 59 from Web of Science Core Collection)
  13. Yang, Y., Ok, Y.S., Kim, K.H., Kwon, E.E., Tsang, Y.F. (2017). Occurrences and removal of pharmaceuticals and personal care products (ppcps) in drinking water and water/sewage treatment plants: A Review. Science of the Total Environment, 596: 303-320. (IF 4.610) (JCR Top 15% (Q1) (Times cited: 55 from Web of Science Core Collection)
  14. Rizwan, M., Ali, S., Abbas, T., Zia-ur-Rehman, M., Hannan, F., Keller, C., Al-Wabel, M.I. and Ok, Y.S. (2016) Cadmium minimization in wheat: A critical review. Ecotoxicology and Environmental Safety, 130:43-53 (IF 3.974) (JCR Top 20% (Q1), Environmental Sciences: 49/241) (Times cited: 51 from Web of Science Core Collection)
  15. Rizwan, M., Ali, S., Qayyum, M.F., Ok, Y.S., Adrees, M., Ibrahim, M, Zia-ur-Rehman, M., Farid, M. and Abbas, F. (2017) Effect of metal and metal oxide nanoparticles on growth and physiology of globally important food crops: A critical review. Journal of Hazardous Materials, 322:2-16 (IF 6.065) (JCR Top 5% (Q1), Engineering, Civil: 1/125) (Times cited: 42 from Web of Science Core Collection)
  16. Jiang, S., Huang, L., Nguyen, T.A.H., Ok, Y.S., Rudolph, V., Yang, H. and Zhang, D. (2016) Copper and zinc adsorption by softwood and hardwood biochars under elevated sulphate-induced salinity and acidic pH conditions. Chemosphere, 142:64-71 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (Times cited: 41 from Web of Science Core Collection)
  17. Rizwan, M., Ali, S., Adrees, M., Rizvi., H., Zia-ur-Rehman., M., Hannan, F., Qayyum, M. F., Hafeez, F. and Ok, Y.S. (2016) Cadmium stress in rice: toxic effects, tolerance mechanisms, and management: A critical review. Environmental Science and Pollution Research, 23(18):17859-17879 (IF 2.800) (JCR (Q2), Environmental Sciences: 82/241) (Times cited: 39 from Web of Science Core Collection)
  18. Rizwan, M., Ali, S., Qayyum, M.F., Ibrahim, M., Zia-ur-Rehman, M., Abbas, T. and Ok, Y.S. (2016) Mechanisms of biochar-mediated alleviation of toxicity of trace elements in plants: A critical review. Environmental Science and Pollution Research, 23:2230-2248 (IF 2.800) (JCR (Q2), Environmental Sciences: 82/241) (Times cited: 39 from Web of Science Core Collection)
  19. Mandal, S., Thangarajan, R., Bolan, N.S., Sarkar, B., Khan, N., Ok, Y.S. and Naidu, R. (2016) Biochar-induced concomitant decrease in ammonia volatilization and increase in nitrogen use efficiency by wheat. Chemosphere, 142:120-127 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (Times cited: 39 from Web of Science Core Collection)
  20. Ahmad, M., Ok, Y.S.*, Rajapaksha, A.U., Lim, J.E., Kim, B.Y., Ahn, J.H., Lee, Y.H., Al-Wabel, M.I., Lee, S.E. and Lee, S.S. (2016) 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, 301:179-186 (IF 6.065) (*Co-first author) (JCR Top 5% (Q1), Engineering, Civil: 1/125) (Times cited: 38 from Web of Science Core Collection)
  21. Abbas, T., Rizwan, M., Ali, S., Zia-ur-Rehman, M., Qayyum, M.F., Abbas, F., Hannan, F., Rinklebe, J. and Ok, Y.S. (2017) Effect of biochar on cadmium bioavailability and uptake in wheat (Triticum aestivum L.) grown in a soil with aged contamination. Ecotoxicology and Environmental Safety, 140:37-47 (IF 3.974) (JCR Top 20% (Q1), Environmental Sciences: 49/241) (Times cited: 35 from Web of Science Core Collection)
  22. Antoniadis, V., Levizou, E., Shaheen, S.M.,;Ok, Y.S., Sebastian, A., Baum, C., Prasad, M.N.V., Wenzel, W.W., Rinklebe, J. (2017). Trace Elements In The Soil-Plant Interface: Phytoavailability, Translocation, And Phytoremediation-A Review. Earth Science Reviews 171: 621-645. (IF 7.339). (JCR Top 25% (Q1) (Times cited: 33 from Web of Science Core Collection)
  23. Ahmad M., Lee, S.S., Lee, S.E., Al-Wabel, M.I., Tsang, D.C.W. and Ok, Y.S.* (2017) Biochar-induced changes in soil properties affected immobilization/mobilization of metals/metalloids in contaminated soils. Journal of Soils and Sediments, 17:717-730 (IF 2.627) (JCR (Q2), Soil Science: 11/34) (*Corresponding Author) (Times cited: 30 from Web of Science Core Collection)
  24. Hussain, M., Farooq, M., Nawaz, A., Al-Sadi, A.M., Solaiman, Z.M., Alghamdi, S.S., Ammara, U., Ok, Y.S. and Siddique, K.H.M. (2017) Biochar for crop production: Potential benefits and risks. Journal of Soils and Sediments, 17:685-716 (IF 2.627) (JCR (Q2), Soil Science: 11/34) (Times cited: 28 from Web of Science Core Collection)
  25. Rizwan, M., Ali, S., Adrees, M., Ibrahim, M., Tsang, D.C.W., Zia-ur-Rehman, M., Zahir, Z.A., Rinklebe, J., Tack, F.M.G. and Ok, Y.S.* (2017) A critical review on effects, tolerance mechanisms and management of cadmium in vegetables. Chemosphere, 182:90-105 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (Times cited: 27 from Web of Science Core Collection)
  26. Igalavithana, A.D., Lee, S.E., Lee, Y.H., Tsang, D.C., Rinklebe, J., Kwon, E.E. and Ok, Y.S.* (2017) Heavy metal immobilization and microbial community abundance by vegetable waste and pine cone biochar of agricultural soils. Chemosphere, 174:593-603 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (*Corresponding Author) (Times cited: 24 from Web of Science Core Collection)
  27. Niazi, N.K., Bibi, I., Shahid, M., Ok, Y.S., Burton, E.D., Wang, H.I., Shaheen, S.M., Rinklebe, J., Luttge, A. (2018). Arsenic Removal By Perilla Leaf Biochar In Aqueous Solutions And Groundwater: An Integrated Spectroscopic And Microscopic Examination. Environmental Pollution 232: 31-41. (IF 4.358). (JCR Top 20% (Q1) Environmental Sciences: 39/241) (Times cited: 24 from Web of Science Core Collection)
  28. Beiyuan, J., Awad, Y.M., Beckers, F., Tsang, D.C.W., Ok, Y.S. and Rinklebe, J. (2017) Mobility and phytoavailability of As and Pb in a contaminated soil using pine sawdust biochar under systematic change of redox conditions. Chemosphere, 178:110-118. (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (Times cited: 24 from Web of Science Core Collection)
  29. Lee, J., Yang, X., Cho, S.H., Kim, J.K., Lee, S.S., Tsang, D.C.W., Ok, Y.S.* and Kwon, E.E. (2017) Pyrolysis process of agricultural waste using CO2 for waste management, energy recovery, and biochar fabrication. Applied Energy, 185:214-222 (IF 7.900) (JCR Top 5% (Q1), Engineering, Chemical: 4/137) (*Corresponding Author) (Times cited: 22 from Web of Science Core Collection)
  30. Beiyuan, J., Tsang, D.C.W., Valix, M., Zhang, W., Yang, X., Ok, Y.S. and Li, X.D. (2017) Selective dissolution followed by EDDS washing of an e-waste contaminated soil: Extraction efficiency, fate of residual metals, and impact on soil environment. Chemosphere, 166:489-496 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241) (Times cited: 22 from Web of Science Core Collection)
  31. Mandal, S., Sarkar, B., Bolan, N., Ok, Y.S. and Naidu, R. (2017) Enhancement of chromate reduction in soils by surface modified biochar. Journal of Environmental Management, 186(2):277-284 (IF 4.005) (JCR Top 25% (Q1), Environmental Sciences: 47/241) (Times cited: 21 from Web of Science Core Collection)
  32. Niazi, N.K., Bibi, I., Fatimah, A., Shahid, M., Javed, M.T., Wang, H., Ok, Y.S., Bashir, S., Murtaza, B., Saqib, Z.A. and Shakoor, M.B. (2017) Phosphate-assisted phytoremediation of arsenic by Brassica napus and Brassica juncea: Morphological and physiological response. International Journal of Phytoremediation 19(7):670-678 (IF 1.770) (JCR (Q2), Environmental Sciences: 121/229) (Times cited: 13 from Web of Science Core Collection)
  33. Sarkar, B., Mandal, S., Tsang, Y.F., Kumar, P., Kim, K.H. and Ok, Y.S.* (2018) Designer carbon nanotubes for contaminant removal in water and wastewater: A critical review. Science of the Total Environment, 612:561-581 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (Times cited: 11 from Web of Science Core Collection)
  34. Fang, J., Zhan, L., Ok, Y.S. and Gao, B. (2017) Minireview of potential applications of hydrochar derived from hydrothermal carbonization of biomass. Journal of Industrial and Engineering Chemistry, 57: 15-21 (IF 4.841) (JCR Top 10% (Q1), Engineering, Chemical: 14/137) (Times cited: 9 from Web of Science Core Collection)

Hot paper (Data from Essential Science Indicators. These hot papers were published in the last year and received enough citations in October 2018 to place it in the top 0.1% of papers in the field of Environment/Ecology)

  1. Ahmad M., Lee, S.S., Lee, S.E., Al-Wabel, M.I., Tsang, D.C.W. and Ok, Y.S.* (2017) Biochar-induced changes in soil properties affected immobilization/mobilization of metals/metalloids in contaminated soils. Journal of Soils and Sediments, 17:717-730 (IF 2.627) (JCR Q2), Soil Science: 11/34) (*Corresponding Author) (Times cited: 30 from Web of Science Core Collection)
  2. Niazi, N.K., Bibi, I., Shahid, M., Ok, Y.S., Burton, E.D., Wang, H., Shaheen, S.M., Rinklebe, J. and Lüttge, A. (2017) Arsenic removal by perilla leaf biochar in aqueous solutions and groundwater: An integrated spectroscopic and microscopic examination. Environmental Pollution, 232:31-41(IF 4.358). (JCR Top 20% (Q1) Environmental Sciences: 39/241) (Times cited: 24 from Web of Science Core Collection)
  3. Lu, K., Yang, X., Gielen, G., Bolan, N., Ok, Y.S., Niazi, N.K., Xu, S., Yuan, G., Chen, X., Zhang, X., Liu, D., Song, Z., Liu, X. and Wang, H. (2017) Effect of bamboo and rice straw biochars on the mobility and redistribution of heavy metals (Cd, Cu, Pb and Zn) in contaminated soil. Journal of Environmental Management, 186(2):285-292 (IF 4.005) (JCR Top 25% (Q1), Environmental Sciences: 47/241) (Times cited: 60 from Web of Science Core Collection)
  4. Niazi, N.K., Bibi, I., Fatimah, A., Shahid, M., Javed, M.T., Wang, H., Ok, Y.S., Bashir, S., Murtaza, B., Saqib, Z.A. and Shakoor, M.B. (2017) Phosphate-assisted phytoremediation of arsenic by Brassica napus and Brassica juncea: Morphological and physiological response. International Journal of Phytoremediation 19(7):670-678 (IF 1.770) (JCR (Q2), Environmental Sciences: 121/229) (Times cited: 13 from Web of Science Core Collection)

Year 2019 (Selected)

  1. Hou, D. and Ok, Y.S.* (2019). Mapping global soil pollution. Nature, 566: 455. (IF 41.577) (JCR Top 1.5% (Q1), Multidisciplinary Sciences: 1/64) (*Corresponding Author)
  2. Wang, S., Zhao, M., Zhou, M., Zhao, Y., Li, Y.C., Gao, B., Feng, K., Ying, W. and Ok, Y.S.* (2019). Biomass facilitated phase transformation of natural hematite at high temperatures and sorption of Cd2+ and Cu2+. Environment International. 124: 473-481. Environment International. (IF 7.297) (JCR Top 5% (Q1), Environmental Science: 7/229) (*Corresponding Author)
  3. Sun, Y., Yu, I.K.M., Tsang, D.C.W., Cao, X., Lin, D., Wang, L., Graham, N.J.D., Alessi, D.S., Komarek, M., Ok, Y.S.*, Feng, Y. and Li, X.D. (2019). Multifunctional iron-biochar composites for the removal of potentially toxic elements, inherent cations, and hetero-chloride from hydraulic fracturing wastewater.124:521-532.  Environment International. (IF 7.297) (JCR Top 5% (Q1), Environmental Science: 7/229)
  4. Shaheen, S.M., Alessi, D.S., Tack, F.M.G., Ok, Y.S., Kim, K.H., Gustafsson, J.P., Sparks, D.L. and Rinklebe, J. (2019). Redox chemistry of vanadium in soils and sediments: Interactions with colloidal materials, mobilization, speciation, and relevant environmental implications - A review. Advances in Colloid and Interface Science, 265:1-13. (IF 7.346) (JCR Top 15% (Q1), Chemistry, Physical: 23/146)
  5. Kim, K., Wang, C.H., Ok, Y.S. and Lee, S.E. (2019). Heart developmental toxicity by carbon black waste generated from oil refinery on zebrafish embryos (Danio rerio): Combined toxicity on heart function by nickel and vanadium, Journal of Hazardous Materials. 363: 127-137. (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125)
  6. Tack, F.M.G., Rinklebe, J. and Ok, Y.S. (2019) Interactions between biochar and trace elements in the environment. (Editorial) Science of The Total Environment, 649: 792 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  7. Khan, A., Szulejko, J.E., Kim, K.H., Sammadar, P., Lee, S.S., Yang, X.X. and Ok, Y.S. (2019) A comparison of figure of merit (FOM) for various materials in adsorptive removal of benzene under ambient temperature and pressure. Environmental Research, 168: 96-108. (IF 4.732) (JCR TOP 10% (Q1), Public, Environmental & Occupational Health: 12/180)
  8. Yang, X., Tsibart, A., Nam, H., Hur, J., El-Naggar, A., Tack, F.M.G., Wang, C.H., Han Lee, Y., Tsang, D.C.W. and Ok, Y.S.* (2019). Effect of gasification biochar application on soil quality: trace metal behavior, microbial community, and soil dissolved organic matter. Journal of Hazadous Materials. 365: 684-694. (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125) (* Corresponding author).
  9. El-Naggar, A’, Lee, S.S., Rinklebe, J., Farooq, M., Song, H., Sarmah, A.K., Zimmerman, A.R., Ahmad, M., Shaheen, S.M. and Ok, Y.S.* (2019) Biochar application to low fertility soils: A review of current status, and future prospects. Geoderma, 337: 536-554. (IF 3.740) (JCR Top 15% (Q1), Soil Science: 5/34) (* Corresponding author).
  10. Yang, F.Zhang, S., Sun, Y., Tsang, D.C.W., Cheng, K. and Ok, Y.S. (2019). Assembling biochar with various layered double hydroxides for enhancement of phosphorus recovery. Journal of Hazardous Materials. 365: 665-673. (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125)
  11. Ngigi, A.N., Ok, Y.S. and Thiele-Bruhn, S., (2019). Biochar-mediated sorption of antibiotics in pig manure. Journal of Hazardous Materials. 364: 663-670. (IF 6.065) (JCR Top 5% (Q1), Engineering, Civil: 1/125)
  12. Cao, L. Yu, I.K.M., Cho, D-W., Tsang, D.C.W., Zhang, S., Ding, S., Wang, L., Ok, Y.S. (2019). Microwave-assisted low-temperature hydrothermal treatment of red seaweed (Gracilaria lemaneiformis) for production of levulinic acid and algae hydrochar. Bioresource Technology. 273: 251-258. (IF 5.807) (JCR Top 10% (Q1), Agricultural Engineering: 1/14)
  13. Zou, W., Gao, B., Ok, Y.S. and Dong, L. (2019). Integrated adsorption and photocatalytic degradation of volatile organic compounds (VOCs) using carbon-based nanocomposites: A critical review. Chemosphere. 218. 845-859. (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241)
  14. Shen, Z., Zhang, J., Hou, D., Tsang, D.C.W., Ok, Y.S., Alessi, D.S. (2019). Synthesis of MgO-coated corncob biochar and its application in lead stabilization in a soil washing residue. Environment International. (IF 7.297) (JCR Top 5% (Q1), Environmental Science: 7/229)
  15. Chowdhury, S., Kim, G., Ok, Y.S. and Bolan, N. (2019). Effect of carbon and nitrogen mobilization from livestock mortalities on nitrogen dynamics in soil. Process Safety and Environmental Protection. (in press) (IF 3.441) (JCR Top 20% (Q1), Engineering, Chemical: 27/137) (Published online: 27 November 2018).
  16. El-Naggar, A., Shaheen, S.M., Hseu Z.Y., Wang, S., Ok, Y.S.* and Rinklebe, J. (2019). Release dynamics of As, Co, and Mo in a biochar treated soil under pre-definite redox conditions. Science of the Total Environment 657: 686–695. (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (*Corresponding Author)
  17. Yang Y., Ng, W., Wong, B.S.E., Baeg, G.H., Wang, C.H. and Ok. Y.S*. (2019). Characterization of ecotoxicological investigation of biochar produced via slow pyrolysis: effect of feedstock composition and pyrolysis conditions. Journal of Hazardous Materials 365: 178-185. (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125) (* Corresponding author).
  18. Ahmed, N., Ok, Y.S., Jeon, B.H., Kim, J.R., Chae, K.J. and Oh, S.E. (2019). Assessment of benzene, toluene, ethyl-benzene and xylene (BTEX) toxicity in soil using sulfur oxidizing bacterial (SOB) bioassay. Chemosphere, 220:651-657 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241)
  19. Jin, Y., O'Connor, D., Ok, Y.S., Tsang, D.C.W., Liu, A. and Hou, D. (2019). Assessment of sources of heavy metals in soil and dust at children's playgrounds in Beijing using GIS and multivariate statistical analysis. 124: 320-328. Environment International. (IF 7.297) (JCR Top 5% (Q1), Environmental Science: 7/229)
  20. Rajapaksha, A.U., Ok, Y.S., El-Naggar, A., Kim, H., Song, F., Kang, S. and Tsang, Y.F. (2019). Dissolved organic matter characterization of biochars produced from different feedstock materials. Journal of Environmental Management, 233:393-399 (IF 4.005) (JCR Top 25% (Q1), Environmental Sciences: 47/241)
  21. Wang, L., Chen, S.S., Sun, Y., Tsang, D.C.W., Yip, A.C.K., Ding, S., Hou, D., Baek, K. and ok, Y.S. (2019). Efficacy and limitations of low-cost adsorbents for in-situ stabilisation of contaminated marine sediment. Journal of Cleaner Production, 212, 420-427. (IF 5.651) (JCR Top 10% (Q1), Environmental Sciences: 21/241)
  22. Deng, Y., Ok, Y.S., Mohan, D., Pittman, C.U. and Dou, X. (2019). Carbamazepine removal from water by carbon dot-modified magnetic carbon nanotubes. Environmental Research, 169: 434-444. (IF 4.732) (JCR TOP 10% (Q1), Public, Environmental & Occupational Health: 12/180)
  23. Shakoor, M.B., Niazi, N.K., Bibi, I., Shahid, M., Saqib, Z.A., Nawaz, M.F., Shaheen, S.M., Wang, H., Tsang, D.C.W., Bundschuh, J., Ok, Y.S. and Rinklebe, J. (2019). Exploring the arsenic removal potential of various biosorbents from water. Environment International. 123:567-579. (IF 7.088) (JCR Top 5% (Q1), Environmental Science: 7/229)
  24. Yu, I.K.M., Attard, T.M., Chen, S.S., Tsang, D.C.W., Hunt, A.J. Jerome, F., Ok, Y.S. and Poon, C.S. (2019). Supercritical Carbon Dioxide Extraction of Value-Added Products and Thermochemical Synthesis of Platform Chemicals from Food Waste. ACS Sustainable Chemistry and Engineering. 7: 2821-2829. (IF 6.140) (JCR Top 10% (Q1), Engineering and Chemical: 10/137)
  25. Yu, I.K.M., Tsang, D.C.W., Yip, A.C.K., Su, Z., De oliveira Vigier, K., Jerome, F., Poon, C.S. and Ok, Y.S. (2019). Organic Acid-Regulated Lewis Acidity for Selective Catalytic Hydroxymethylfurfural Production from Rice Waste: An Experimental-Computational Study. ACS Sustainable Chemistry and Engineering. 7 (1): 1437-1446. (IF 6.140) (JCR Top 10% (Q1), Engineering and Chemical: 10/137) (*Corresponding Author)
  26. Xia, S., Song, Z., Jeyakumar, P., Shaheen, S.M., Rinklebe, J., Ok, Y.S., Bolan, N. and Wang, H. (2019). A critical review on bioremediation technologies for Cr (VI)-contaminated soils and wastewater. Critical Reviews in Environmental Science and Technology (In Press) (IF 7.683) (JCR Top 2.5% (Q1), Environmental Sciences: 16/229)
  27. Khan, A., Szulejko, J.E., Samaddar, P., Kim, K-H., Liu, B., Maitlo, H.A., Yang, X. and Ok, Y.S.* (2019). The potential of biochar as sorptive media for removal of hazardous benzene in air. Chemical Engineering Journal, 361: 1576–1585 (IF 6.735) (JCR Top 5% (Q1), Engineering, Chemical: 7/137) (*Corresponding Author)
  28. Palansooriya, K.N., Ok, Y.S., Awad, Y.M., Lee, S.S., Sung, J-K., Koutsospyros, A. and Moon D.H. (2019). Impacts of biochar application on upland agriculture: A review. Journal of Environmental Management, (234): 52-64 (IF 4.005) (JCR Top 25% (Q1), Environmental Sciences: 47/241)
  29. Wei, J., Tu, C., Yuan, G., Bi, D., Xiao, L., Theng, B.K.G., Wang, H. and Ok, Y.S. (2019). Carbon-coated montmorillonite nanocomposite for the removal of chromium (VI) from aqueous solutions. Journal of Hazardous Materials, 368: 541–549(IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125)
  30. Yang, X., Wan, Y., Zheng, Y., He, F., Yu, Z., Huang, J., Wang, H., Ok, Y., Jiang, Y. and Bin Gao. (2019). Surface functional groups of carbon-based adsorbents and their roles in the removal of heavy metals from aqueous solutions: A critical review. Chemical Engineering Journal (IF 6.735) (JCR Top 5% (Q1), Engineering, Chemical: 7/137) (Published online: 16 February 2019)
  31. Xu, Y., Seshadri, B., Bolan, N., Sarkar, B., Ok, Y.S., Zhang, Y., Rumpel, C., Sparks, D., Farrell, M., Hall, T. and Dong, Z. (2019). Microbial functional diversity and carbon use feedback in soils as affected by heavy metals. Environment International, 125: 478–488. (IF 7.297) (JCR Top 5% (Q1), Environmental Science: 7/229).
  32. Ashiq, A., Adassooriya, N.M., Sarkar, B., Rajapaksha, A.U., Ok, Y.S., Vithanage, M. (2019). Municipal solid waste biochar-bentonite composite for the removal of antibiotic ciprofloxacin from aqueous media. Journal of Environmental Management, 236: 428–435. (IF 4.005) (JCR Top 25% (Q1), Environmental Sciences: 47/241)
  33. Yang, X., Yu, I.K.M., Cho, D., Chen, S.S., Tsang, D.C.W., Shang, J., Yip, A.C.K., Wang, L. and Ok, Y.S.* (2019). Tin-functionalized Wood Biochar as a Sustainable Solid Catalyst for Glucose Isomerization in Biorefinery. ACS Sustainable Chemistry and Engineering. 7: 2821-2829. (IF 6.140) (JCR Top 10% (Q1), Engineering and Chemical: 10/137) (Published online: 12 February 2019) (*Corresponding Author)
  34. Bottlinger, M., Schulz, E., Leandro, W.M., De Oliveira, S.B., Filho, A.M.A., El-Naggar, A., Bolan, N., Wang, H., Ok, Y.S. and Rinklebe, J. (2019). Management of biosolids-derived hydrochar (Sewchar): Effect on plant germination, and farmers' acceptance. Journal of Environmental Management, 237:200-214. (IF 4.005) (JCR Top 25% (Q1), Environmental Sciences: 47/241) (* Corresponding author).
  35. Wang, S., Zhao, M., Zhou, M., Li, Y.C., Wang, J., Gao, B., Feng, K., Igalavithana, I.D., Oleszczuk, P., Wang, X., Ok, Y.S.* (2019). Biochar-Supported nZVI (nZVI/BC) for Contaminant Removal from Soil and Water: A Critical Review. Journal of Hazardous Materials, (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125) (Published online: 19 March 2019) (* Corresponding author).
  36. Shang, S., Hanif, A., Sun, M., Tian, Y., Ok, Y.S., Yu, I.K.M., Tsang, D.C.W., Gu, Q., Shang, J. (2019). Novel M (Mg/ Ni/ Cu)-Al-CO3 layered double hydroxides synthesized by aqueous miscible organic solvent treatment (AMOST) method for CO2 capture. Journal of Hazardous Materials, 373: 285-293 (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125) (Published online: 19 March 2019)
  37. Wu, P., Cui, P., Alves, M.E., Peijnenburg, W.J.G.M., Liu, C., Zhou, D., Wang, H., Ok, Y.S., Wang, Y. (2019). Interactive effects of rice straw biochar and γ-Al2O3 on immobilization of Zn. Journal of Hazardous Materials, 373: 250-257. (IF 6.434) (JCR Top 5% (Q1), Engineering, Civil: 1/125)
  38. O’Connor, D., Hou, D., Ok, Y.S., Mulder, J., Duan, L., Wu, Q., Wang, S., Tack, F.M.G., Rinklebe, J. (2019). Mercury speciation, transformation and transportation in soils, atmospheric flux, and implications for risk management: A critical review, Environmental International, 126:747-761 (IF 7.297) (JCR Top 5% (Q1), Environmental Science: 7/242)
  39. Yang, X., Wan, Y., Zheng, Y., He, F., Yu, Z., Huang, J., Wang, H., Ok, Y.S., Jiang, Y., Gao, B. (2019). Surface functional groups of carbon-based adsorbents and their roles in the removal of heavy metals from aqueous solutions: A critical review. Chemical Engineering Journal, 366: 608-621 (IF 6.735) (JCR Top 5% (Q1), Engineering, Chemical: 7/137)
  40. Igalavithana, A.D., Kwon, E.E., Vithanage, M., Rinklebe, J., Moon, D.H., Meers, E, Tsang, D.C.W., Ok, Y.S.* (2019) Soil lead immobilization by biochars in short-term laboratory incubation studies, Environmental International, 127:190-198 (IF 7.297) (JCR Top 5% (Q1), Environmental Science: 7/242) (* Corresponding author).

Year 2018 (Selected)

  1. Jeong, K.H., Choi, D.H., Lee, D.J., Kim, J.K., Kim, H., Ok, Y.S. and Kwon, E.E. (2018) CO2-looping in pyrolysis of horse manure using CaCO3Journal of Cleaner Production, 174, 616-624. (IF 5.651) (JCR Top 10% (Q1), Environmental Sciences: 21/241)
  2. Cao, L., Yu, I.K.M., Chen, S.S., Tsang, D.C.W., Wang, L., Xiong, X., Zhang, S., Ok, Y.S., Kwon, E.E., Song, H. and Poon, C.S. (2018) Production of 5-hydroxymethylfurfural from starch-rich food waste catalyzed by sulfonated biochar. Bioresource Technology, 252, 76-82. (IF 5.807) (JCR Top 10% (Q1), Agricultural Engineering: 1/14)
  3. El-Naggar, Ali, Shaheen, S.M., Ok, Y.S.* and Rinklebe, J. (2018) Biochar affects the dissolved and colloidal concentrations of Cd, Cu, Ni, and Zn and their phytoavailability and potential mobility in a mining soil under dynamic redox-conditions. Science of The Total Environment, 624, 1059-1071 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)
  4. Kumarathilaka, P., Ahmad, M., Herath, I., Mahatantila, K., Athapattu, B.C.L., Rinklebe, J., Ok, Y.S., Usman, A., Al-Wabel, M.I., Abduljabbar, A. and Vithanage, M. (2018)  Influence of bioenergy waste biochar on proton-and ligand-promoted release of Pb and Cu in a shooting range soil. Science of The Total Environment, (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)
  5. Awad, Y.M., Ok, Y.S.*, Abrigata, J., Beiyuan, J., Beckers, F., Tsang, D.C.W. and Rinklebe, J. (2018) Pine sawdust biomass and biochars at different pyrolysis temperatures change soil redox processesScience of The Total Environment, 625:147-154 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)
  6. He, L., Fan, S., Müller K., Wang, H., Che, L., Xu, S., Song, Z., Yuan, G., Rinklebe, J., Tsang, D.C.W., Ok, Y.S. and Bolan, N.S. (2018) Comparative analysis biochar and compost-induced degradation of di-(2-ethylhexyl) phthalate in soils. Science of The Total Environment, (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  7. Rajapakasha, A.U., Alam, M.S., Chen, N., Alessi, D.S. and Ok, Y.S.* (2018) Pine sawdust biochar reduces GHG emission by decreasing microbial and enzyme activities in forest and grassland soils in a laboratory experimentScience of The Total Environment, 625: 1247-1256 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)
  8. Pokharel, P., Kwak, J.H., Ok, Y.S., and Chang, S.X. (2018) Pine sawdust biochar reduces GHG emission by decreasing microbial and enzyme activities in forest and grassland soils in a laboratory experimentScience of The Total Environment, (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  9. Shen, Z., Hou, D., Zhao, B., Xu, W., Ok, Y.S., Bolan, N.S. and Alessi, D.S. (2018) Stability of heavy metals in soil washing residue with and without biochar addition under accelerated ageing. Science of The Total Environment, 619-620, 410-418 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  10. Kang, S., Jung, J., Choe, J.K., Ok, Y.S. and Choi, Y. (2018) Effect of biochar particle size on hydrophobic organic compound sorption kinetics: Applicability of using representative size. Science of The Total Environment, 619-620, 410-418 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  11. Poulose, A.M., Elnour, A.Y., Anis, A., Shaikh, H., Al-Zahrani, S.M., George, J., Al-Wabel, M.I., Usman, A.R., Ok, Y.S., Tsang, D.C.W. and Sarmah, A.K. (2018) Date palm biochar-polymer composites: An investigation of electrical, mechanical, thermal and rheological characteristics. Science of The Total Environment, 619-620, 311-318 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  12. Sun, Y., Lei, C., Khan, E., Chen, S.S., Tsang, D.C., Ok, Y.S., Lin, D., Feng, Y. and Li, X.D. (2018) Aging effects on chemical transformation and metal (loid) removal by entrapped nanoscale zero-valent iron for hydraulic fracturing wastewater treatment. Science of The Total Environment, 615, 498-507 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  13. Beiyuan, J., Lau, A.Y.T., Tsang, D.C.W., Zhang, W., Kao, C.M., Baek, K., Ok, Y.S. and Li, X.D. (2018) Chelant-enhanced washing of CCA-contaminated soil: Coupled with selective dissolution or soil stabilization. Science of the Total Environment, 612:1463-1472 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  14. Sarkar, B., Mandal, S., Tsang, Y.F., Kumar, P., Kim, K.H. and Ok, Y.S.* (2018) Designer carbon nanotubes for contaminant removal in water and wastewater: A critical review. Science of the Total Environment, 612:561-581 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)
  15. Cho, D.W., Jeong, K.H., Kim, S., Tsang, D.C.W., Ok, Y.S. and Song, H. (2018) Synthesis of cobalt-impregnated carbon composite derived from a renewable resource: Characterization and catalytic performance evaluation. Science of the Total Environment, 612:103-110 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  16. Thangarajan, R., Bolan, N.S., Kunhikrishnan, A., Wijesekara, H., Xu, Y., Tsang, D.C.W., Song, H., Ok, Y.S. and Hou, D. (2018) The potential value of biochar in the mitigation of gaseous emission of nitrogen. Science of the Total Environment, 612:257-268 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  17. Rajapaksha, A. U., Alam, M.S., Chen N., Alessi D. S., Igalavithana, A.D., Tsang, D.C.W., Ok, Y.S.* (2018) Removal of hexavalent chromium in aqueous solutions using biochar: Chemical and spectroscopic investigations. Science of the Total Environment, 612:103-110 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)
  18. He L., Fan S., Müller K., Wang H., Che L., Xu S., Song Z., Yuan G., Rinklebe J., Tsang, D.C.W., Ok, Y.S., Bolan N. S. (2018) Comparative analysis biochar and compost-induced degradation of di-(2-ethylhexyl) phthalate in soils. Science of the Total Environment, 612:257-268 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  19. Lee C. H., Wang C., Lin H., Lee S. S., Tsang, D.C.W.,  Jien S., Ok, Y.S.* (2018) In-situ biochar application conserves nutrients while simultaneously mitigating runoff and erosion of an Fe-oxide-enriched tropical soil. Science of the Total Environment, 612:103-110 (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)  
  20. Awad, Y.M., Wang, J., Igalavithana, A.D., Tsang, D.C.W., Kim, K.H., Lee, S.S. and Ok, Y.S.* (2018) Biochar Effects on Rice Paddy: Meta-analysis. Advances in Agronomy, (in press) (IF 4.5.073) (JCR Top 5% (Q1), Agronomy: 2/87) (* Corresponding author)
  21. Buruga, K., Kalathi, J.T., Kim, K.H., Ok, Y.S. and Danil, B. (2018) Polystyrene-halloysite nano tube membranes for water purification. Journal of Industrial and Engineering Chemistry, (IF 4.841) (JCR Top 10% (Q1), Engineering, Chemical: 14/137)
  22. Cheng, L., Sun, Y., Khan, E., Chen, S.S., Tsang, D.C.W., Graham, N.J.D., Ok, Y.S., Yang, X., Lin, D., Feng, Y. and Li, X.D. (2018) Removal of chlorinated organic solvents from hydraulic fracturing wastewater by bare and entrapped nanoscale zero-valent iron. Chemosphere, 196, 9-17 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241)
  23. Awad, Y.M., Lee, S.S., Kim, K.H., Ok, Y.S., and Kuzyakov, Y. (2018) Carbon and nitrogen mineralization and enzyme activities in soil aggregate-size classes: Effects of biochar, oyster shells, and polymers. Chemosphere, (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241)
  24. Kim, K., Jeon, H.J., Choi, S.D., Tsang, D.C.W., Oleszczuk, P., Ok, Y.S., Lee, H.S. and Lee, S.E. (2018) Combined toxicity of endosulfan and phenanthrene mixtures and induced molecular changes in adult Zebrafish (Danio rerio). Chemosphere, 194:30-41 (IF 4.427) (JCR Top 15% (Q1), Environmental Sciences: 34/241)
  25. Rai, P.K., Lee, J., Kailasa, S.K., Kwon, E.E., Tsang, Y.F., Ok, Y.S. and Kim, K.H. (2018) A critical review of ferrate (VI)-based remediation of soil and groundwater. Environmental Research, 160, 420-448 (IF 4.732) (JCR TOP 10% (Q1), Public, Environmental & Occupational Health: 12/180)
  26. Park, J.H., Wang, J.J., Kim, S.H., Kang, S.W., Cho, J.S., Delaune, R.D., Ok, Y.S. and Seo, D.C. (2018) Lead sorption characteristics of various chicken bone part-derived chars. Environmental Geochemistry and Health (IF 2.994) (JCR Top 15% (Q1), Water Resources: 14/90) (Published online: 18 January 2018)
  27. Rai, P.K., Kumar, V., Lee, S., Raza, N., Kim, K.H., Ok, Y.S. and Tsang, D.C., (2018) Nanoparticle-plant interaction: Implications in energy, environment, and agriculture. Environment international, 119, 1-19 (IF 7.297) (JCR TOP 5% (Q1), Environmental Sciences: 7/241)
  28. Cho, D.W., Kim, S., Tsang, D.C., Bolan, N.S., Kim, T., Kwon, E.E., Ok, Y.S. and Song, H., (2018) Contribution of pyrolytic gas medium to the fabrication of co-impregnated biochar. Journal of CO2 Utilization, 26, 476-486. (IF 5.503) (JCR Top 10% (Q1), Engineering, Chemical: 11/137)
  29. Idrees, M., Batool, S., Ullah, H., Hussain, Q., Al-Wabel, M.I., Ahmad, M., Hussain, A., Riaz, M., Ok, Y.S. and Kong, J., (2018). Adsorption and thermodynamic mechanisms of manganese removal from aqueous media by biowaste-derived biochars. Journal of Molecular Liquids. 266: 373-380 (IF 4.513) (JCR Top 10% (Q1), Chemistry, Physical: 37/146) (Published online: 13 June 2018).
  30. Shaheen, S.M., Niazi, N.K., Hassan, N.E., Bibi, I., Wang, H., Tsang, D.C., Ok, Y.S., Bolan, N. and Rinklebe, J., (2018). Wood-based biochar for the removal of potentially toxic elements in water and wastewater: a critical review. International Materials Reviews, (IF 12.703) (JCR (Q1), Materials Science: 16/285) (Published online: 02 Jul 2018 )1-32.
  31. Samaddar, P., Ok, Y.S., Kim, K.H., Kwon, E.E. and Tsang, D.C., 2018. Synthesis of nanomaterials from various wastes and their new age applications. Journal of Cleaner Production. 197, 1190-1209 (IF 5.651) (JCR Top 10% (Q1), Environmental Sciences: 21/241)
  32. El-Naggar, A., Awad, Y.M., Tang, X.Y., Liu, C., Niazi, N.K., Jien, S.H., Tsang, D.C., Song, H., Ok, Y.S.* and Lee, S.S., (2018). Biochar influences soil carbon pools and facilitates interactions with soil: A field investigation. Land Degradation & Development. 1-10 (IF 7.270) (JCR Top 5% (Q1), Environmental Sciences: 8/241) (Published online: 09 February 2018) (* Corresponding author)
  33. Cao, L., Iris, K.M., Tsang, D.C., Zhang, S., Ok, Y.S., Kwon, E.E., Song, H. and Poon, C.S., 2018. Phosphoric acid-activated wood biochar for catalytic conversion of starch-rich food waste into glucose and 5-hydroxymethylfurfural. Bioresource Technology. (IF 5.807) (JCR Top 10% (Q1), Agricultural Engineering: 1/14) (Published online: 10 July 2018)
  34. Liu, B., Vellingiri, K., Jo, S.H., Kumar, P., Ok, Y.S.* and Kim, K.H. (2018). Recent advances in controlled modification of the size and morphology of metal-organic frameworks. Nano Research, 11(9): 4441–4467 (IF 7.994) (JCR TOP 10% (Q1), Physics Applied: 13/146) (* Corresponding author)
  35. O'Connor, D., Hou, D., Ye, J., Zhang, Y., Ok, Y.S., Song, Y., Coulon, F., Peng, T., Tian, Li. (2018). Lead-based paint remains a major public health concern: A critical review of global production, trade, use, exposure, health risk, and implications. Environment International 121; 85–101. (IF 7.297) (JCR TOP 5% (Q1), Environmental Sciences: 7/241)
  36. Yang, X., Igalavithana, A.D., Oh, S.E., Nam, H., Zhang, M., Wang, C.H., Kwon, E.E., Tsang, D.C.W., Ok, Y.S.* (2018). Characterization of bioenergy biochar and its utilization for metal/metalloid immobilization in contaminated soil. Science of the Total Environment, 640-641:704-713. (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241) (* Corresponding author)
  37. Shakoor, M.B., Niazi, N.K., Bibi, I., Shahid, M., Sharif, F., Bashir, S., Shaheen, S.M., Wang, H., Tsang, D.C.W., Ok, Y.S., Rinklebe, J. (2018). Arsenic removal by natural and chemically modified water melon rind in aqueous solutions and groundwater. Science of the Total Environment, 645: 1444-1455. (IF 4.610) (JCR Top 15% (Q1), Environmental Sciences: 27/241)
  38. El-Naggar, A., Leed, S.S., Awad, Y.M., Yang, X., Ryu, C., Rizwang, M., Rinklebeh, J., Tsangj, D.C.W., Ok, Y.S.* (2018). Influence of soil properties and feedstocks on biochar potential for carbon mineralization and improvement of infertile soils. Geoderma, 332: 100-108. (IF 3.740) (JCR Top 15% (Q1), Soil Science: 5/34) (* Corresponding author).
  39. Xiong, X., Iris, K.M., Chen, S.S., Tsang, D.C., Cao, L., Song, H., Kwon, E.E., Ok, Y.S., Zhang, S. and Poon, C.S., (2018). Sulfonated biochar as acid catalyst for sugar hydrolysis and dehydration. Catalysis Today, 314: 52-61. (IF 4.667) (JCR Top 10% (Q1), Chemistry, Applied: 6/71)
  40. Yu, I.K.M., Tsang, D.C.W., Yip, A.C.K., Hunt, A.J., Sherwood, J., Shang, J., Song, H., Ok, Y.S.*, and Poon, C.S. (2018). Propylene carbonate and γ-valerolactone as green solvents enhance Sn (IV)-catalysed hydroxymethylfurfural (HMF) production from bread waste. Green Chemistry, 20: 2064-2074. (IF: 8.586) (JCR Top 10% (Q1), Green and Sustainable Science and Technology: 2/33) (* Corresponding author).
  41. Yu, I.K.M., Xiong, X., Tsang, D.C.W., Wang, L., Hunt, A.J., Song, H., Shang, J., Ok, Y.S. and Poon, C.S. (2018). Aluminium-Biochar Composites as Sustainable Heterogeneous Catalysts for Glucose Isomerisation in a Biorefinery. Green Chemistry. (IF: 8.586) (Published online: 10 September 2018) (IF: 8.586) (JCR Top 10% (Q1), Green and Sustainable Science and Technology: 2/33)

Registered Patents

  1. Ok, Y.S., Zhang, M., Xu, L.H. and Lee, S.S. (2016) The dietary fiber extracted from wheat bran for adsorption of polycyclic aromatic hydrocarbons. 10-1681646. Korea
  2. Ok, Y.S., Rajapaksha, A., Vithanage, M., Lee, S.S. and Park, J.N. (2016) Activation method of biochar using acid treatment, acid activated biochar and preparing method thereof. 10-1638822. Korea.
  3. Seo, D.C., Park, J.H., Kim, S.H., Heo, J.S., Kang, S.W., Park, J.W., Joo, J.S. and Ok, Y.S. (2015) An apparatus and method of impregnating sulfur impregnated on biochar for wastewater processing. 10-1547430. Korea.
  4. Ok, Y.S., Rajapaksha, A., Vithanage, M. and Lim, J.E. (2015) Method for removal of antibiotics in water using steam activated biochar derived from burcucumber (Sicyos angulatus L.). 10-1536937. Korea.
  5. Seo, D.C., Park, J.H., Kim, S.H., Kang, S.W., Park, J.W., Joo, J.S., Heo, J.S. and Ok, Y.S. (2015) An apparatus and method of manufacturing sulfur impregnated biochar for wastewater processing. 10-1485293. Korea.
  6.  Kim, S.W. and Ok, Y.S. (2014) Installation case for laying a mine and installation method using it in winter. 10-1480222. Korea.
  7. Ok, Y.S., and Jeong, S.H. (2014) Method for purifying veterinary antibiotics in water using biochar derived from burcucumber (Sicyos angulatus L.). 10-1428553. Korea.
  8. Ok, Y.S., Jeong, S.H. and Lee, S.S. (2014) Method for reduction for carbon dioxide from soils using biochar derived from corn residue. 10-1428552. Korea.
  9. Ok, Y.S. and Jeong, S.H. (2014) Method for purifying antibiotics in water using biochar derived from buffalo-weed (Ambrosia trifida L.). 10-1390454. Korea.
  10. Ok, Y.S. (2014) The method of TCE adsorption using soybean stover or peanut shells carbonized at high temperature. 10-1376278. Korea.
  11. Oh, S.E., Joo, J.H. and Ok, Y.S. (2011) The method and system for salt removal from vinyl house soil. 10-1064368. Korea.
  12. Ok, Y.S., Lee, H.Y., Joo, J.H. and Yang, J.E. (2011) Chestnut shell contained absorbent and absorbing method of heavy metal ions from aqueous solution by using them. 10-1055661. Korea.
  13. Ok, Y.S., Choi, B.S., Hur, S.O. and Ha, S.K. (2011) Waste nutrient solution Treatment and reuse for agriculture application. 10-1049202. Korea.
  14. Ok, Y.S., Yang, J.E. and Joo, J.H. (2011) Gold recovering method in solution by chestnut shell. 10-1072445. Korea.
  15. Kim, J.G., Cho, N.H., Kim, N.B., Cho, H.I, Yoon, Y.M., Ok, Y.S., Kim, D.Y. and Kim, S.H. (2005) New plant variety of Artemisia princeps var. orientalis 'Korea’. 10-0472095. Korea.
  16. Kim, J.G., Cho, N.H., Kim, N.B., Cho, H.I, Yoon, Y.M., Ok, Y.S., Kim, D.Y. and Kim, S.H. (2004) Removing method for heavy metals of a coal mine soil using plants. 10-0465451. Korea.
  17. Kim, J.G., Cho, N.H., Kim, N.B., Cho, H.I, Yoon, Y.M., Ok, Y.S., Kim, D.Y. and Kim, S.H. (2004) Method of biological remediation for heavy metal contaminated soil. 10-0465452. Korea.