Publications of Gunatilake Group

Original Research

  1. Wathudura, P. D.; Peiris, C.; Navarathna, C. M.; Mlsna, T. E.; Kaumal, M. N.; Vithanage, M.; Gunatilake, S. R.*, Microwave and open vessel digestion methods for biochar. Chemosphere 2020, 239, 124788. DOI: 10.1016/j.chemosphere.2019.124788

  2. Peiris, C.; Nayanathara, O.; Navarathna, C. M.; Jayawardhana, Y.; Nawalage, S.; Burk, G.; Karunanayake, A. G.; Madduri, S. B.; Vithanage, M.; Kaumal, M. N.; Mlsna, T. E.; Hassan, E. B.; Abeysundara, S.; Ferez, F.; Gunatilake, S. R.*, The influence of three acid modifications on the physicochemical characteristics of tea-waste biochar pyrolyzed at different temperatures: a comparative study. RSC Advances 2019, 9 (31), 17612-17622. DOI: 10.1039/c9ra02729g

  3. Navarathna, C. M.; Karunanayake, A. G.; Gunatilake, S. R.; Pittman Jr, C. U.; Perez, F.; Mohan, D.; Mlsna, T., Removal of Arsenic (III) from water using magnetite precipitated onto Douglas fir biochar. Journal of environmental management 2019, 250, 109429. DOI: 10.1016/j.jenvman.2019.109429

  4. Karunanayake, A. G.; Navarathna, C.; Gunatilake, S. R.; Crowley, M.; Anderson, R.; Mohan, D.; Perez, F.; Pittman, C. U.; Mlsna, T. E., Fe3O4 Nanoparticles Dispersed on Douglas Fir Biochar for Phosphate Sorption. ACS Applied Nano Materials 2019. DOI: 10.1021/acsanm.9b00430.

  5. Jayawardhana, Y.; Gunatilake, S. R.; Mahatantila, K.; Ginige, M. P.; Vithanage, M., Sorptive removal of toluene and m-xylene by municipal solid waste biochar: Simultaneous municipal solid waste management and remediation of volatile organic compounds. Journal of environmental management 2019, 238, 323-330. DOI: 10.1016/j.jenvman.2019.02.097

  6. Qiu, H.; Sun, D.; Gunatilake, S. R.; She, J.; Mlsna, T. E., Analysis of trace dicyandiamide in stream water using solid phase extraction and liquid chromatography UV spectrometry. Journal of Environmental Sciences 2015, 35, 38-42. DOI: 10.1016/j.jes.2015.02.010

  7. Karunanayake, A. G.; Gunatilake, S. R.; Ameer, F. S.; Gadogbe, M.; Smith, L.; Mlsna, D.; Zhang, D., Undergraduate Laboratory Experiment Modules for Probing Gold Nanoparticle Interfacial Phenomena. Journal of Chemical Education 2015, 92 (11), 1924-1927. DOI: 10.1021/acs.jchemed.5b00535.

  8. Gunatilake, S. R.; Kwon, J.-W.; Mlsna, T. E.; Xia, K., A novel approach to determine estrogenic hormones in swine lagoon wastewater using the QuEChERS method combined with solid phase extraction and LC/MS/MS analysis. Analytical Methods 2014, 6 (23), 9267-9275. DOI: 10.1039/C4AY01804D

  9. Gunatilake, S. R.; Clark, T. L.; Rodriguez, J. M.; Mlsna, T. E., Determination of five estrogens in wastewater using a comprehensive two-dimensional gas chromatograph. Analytical Methods 2014, 6 (15), 5652-5658. DOI: 10.1039/C4AY00960F

  10. Gunatilake, S. R.; Craver, S.; Kwon, J.-W.; Xia, K.; Armbrust, K.; Rodriguez, J. M.; Mlsna, T. E., Analysis of Estrogens in Wastewater Using Solid-Phase Extraction, QuEChERS Cleanup, and Liquid Chromatography/Tandem Mass Spectrometry. Journal of AOAC International 2013, 96 (6), 1440-1447.  DOI: 10.5740/jaoacint.12-387                                                                                                                                                                           

Review-Articles

  1. Peiris, C.; Nawalage, S.; Wewalwela, J. J.; Gunatilake, S. R.*; Vithanage, M., Biochar based sorptive remediation of steroidal estrogen contaminated aqueous systems: A critical review. Environmental Research 2020, 191, 110183.  DOI: 10.1016/j.envres.2020.110183

  2. Wathudura, P. D.; Kavinda, T.; Gunatilake, S. R.*, Determination of steroidal estrogens in food matrices: current status and future perspectives. Current Opinion in Food Science 2019, 28, 104-113. DOI: 10.1016/j.cofs.2019.11.001

  3. Peiris, C.; Gunatilake, S. R.; Mlsna, T. E.; Mohan, D.; Vithanage, M., Biochar based removal of antibiotic sulfonamides and tetracyclines in aquatic environments: a critical review. Bioresource Technology 2017, 246, 150-159. DOI: 10.1016/j.biortech.2017.07.150

  4. Gunatilake, S. R.*; Munasinghe, V. K.; Ranaweera, R.; Mlsna, T. E.; Xia, K., Recent advancements in analytical methods for the determination of steroidal estrogen residues in environmental and food matrices. Analytical Methods 2016, 8 (28), 5556-5568. DOI: 10.1039/C6AY01422D

Patents

Book-Chapters

  1. Welikala, U.; Navarathna, C. M.; Nawalage, S.; Sarkar, B.; Mlsna, T. E.; Gunatilake, S. R., 4 Analytical Methods for Particulate Plastics in Soil and Water. Particulate Plastics in Terrestrial and Aquatic Environments 2020, 51.

  2. Navarathna, C.; Alchouron, J.; Liyanage, A.; Herath, A.; Wathudura, P.; Nawalage, S.; Rodrigo, P.; Gunatilake, S.; Mohan, D.; Pittman, C.; Mlsna, T., Recent Developments in Aqueous Arsenic(III) Remediation Using Biomass-Based Adsorbents. In Contaminants in Our Water: Identification and Remediation Methods, American Chemical Society: 2020; Vol. 1352, pp 197-251.

  3. Gunarathne, V.; Gunatilake, S. R.; Wanasinghe, S. T.; Atugoda, T.; Wijekoon, P.; Biswas, J. K.; Vithanage, M., 7 – Phytoremediation for E-waste contaminated sites. In Handbook of Electronic Waste Management, Prasad, M. N. V.; Vithanage, M.; Borthakur, A., Eds. Butterworth-Heinemann: 2020; pp 141-170.

  4. Peiris, C.; Gunatilake, S. R.; Wewalwela, J. J.; Vithanage, M., Biochar for Sustainable Agriculture: Nutrient Dynamics, Soil Enzymes, and Crop Growth. In Biochar from Biomass and Waste, Elsevier: 2019; pp 211-224.

Invited lectures and oration

  1. Gunatilake, S. R.; Biochar: waste to value, Conference on Chemical Technology for Value addition to Local Recourses, Sri Lanka, 2020.

  2. Gunatilake, S. R.; Biochar for a Sustainable Environment, 3rd International Conference on “Renewable Energy and Sustainable Environment, 2019; Pollachi, Tamil Nadu, India.

  3. Gunatilake, S. R.; Utilization of QuEChERS method for the determination of residue estrogens in the environment, National Conference on Environmental Pollutants: Impact, Assessment and Remediation, New Delhi, India 2016. 

Conference Abstracts

  1. Wicramaratne, K. M. K.; Vithanage, M.; Gunatilake, S. R., Sorptive removal of 4-nitroaniline from aqueous solution by using magnetized tea-waste biochar. 47th Annual Sessions, Institute of Chemistry Ceylon: 2018

  2. Peiris, C.; Nayanathara, O.; Paranagama, P; Vithanage, M.; Kaumal, M. N.; Mlsna, T. E.; Gunatilake, S. R., Characteristics influenced by post modification of tea waste biochar pyrolyzed at different temperatures. 47th Annual Sessions, Institute of Chemistry Ceylon: 2019.

  3. Peiris, C.; Wathudura P. D.; Nayanathara O.; Wewalwela J. J.; Gunatilake S. R., Enhancement of crop productivity of red onion using tea-waste biochar as a soil amendment. 48th Annual Sessions, Institute of Chemistry Ceylon: 2020.

Abstracts Published in International Conferences

  1. Wasana, W.L.N.; Rodrigo, K. M. D. N.; Kariyawasam, H. K. P. P.; Wewelwela, J. J.; Peiris, C.; Gunatilake, S.R.; Jayasekera, J. A. U., 2020, Study of Fungicide Residues in Three Selected Microgreens, Faculty of Technology, University of Colombo, Sri Lanka, Annual Research Symposium.

  2. Peiris, C.; Wathudura P. D.; Gajanayake, B; Wewalwela, J. J.; Kaumal, M. N.; Gunatilake, S. R., Effect of acid modification on slow pyrolyzed tea waste biochar used for crop product enhancement and controlling of heavy metal uptake in red onion cultivation. 1st International Conference on Frontiers in Chemical Technology: 2020.

  3. Fernando, J; Welikala, U; Jayasinghe, S; Wanasinghe, S; Peiris, C; Gunatilake, S. R., Enhanced removal of methylene blue using nitric acid pre-modified Lasia spinosa (kohila) biochar.1st International Conference on Frontiers in Chemical Technology: 2020.

  4. Kavinda, T.; Wathudura P. D.; Nawalage S.; Peiris, C; Gunatilake, S. R., Pyrolysis of biomass forbiochar production and its application in contaminant removal: a simple highschool/undergraduate laboratory experiment. 1st International Conference on Frontiers in Chemical Technology: 2020.

  5. Wathudura P. D.; Peiris, C.; Navarathna, C.; Kaumal, M. N.; Gunatilake, S. R., A Novel Technique to Digest Biochar for Metal Analysis. 4th International Conference on Advances in Computing and Technology (ICACT): 2019.

  6. Kavinda, T.; Peiris, C.; Gunatilake, S. R., Sorptive Removal of Lead (II) from Aqueous Solution using Value Added Tea-Waste Biochar Produced Under Different Temperatures.4th International Conference on Advances in Computing and Technology (ICACT): 2019.

 

Others


Dr. Sameera R. Gunatilake
Grad. Chem., Ph.D. (Mississippi State),
C.Chem., M.I.Chem. C.