Full Journal Papers – Indexed Journals

S. I. Rathnayake, Y. Xi, R. L. Frost, G. A. Ayoko, “Structural and thermal properties of inorganic–organic montmorillonite: Implications for their potential environmental applications”, Journal of Colloid and Interface Science, 459 (2015) 17‒28.
Available from: http://www.sciencedirect.com/science/article/pii/S0021979715300904

S. I. Rathnayake, Y. Xi, R. L. Frost, G. A. Ayoko, “Environmental applications of inorganic–organic clays for recalcitrant organic pollutants removal: Bisphenol A”, Journal of Colloid and Interface Science, 470 (2016) 183–195.
Available from: http://www.sciencedirect.com/science/article/pii/S002197971630114X

T. Bao, T. Chen, M. L. Wille, N. Ezzatahmadi, S. I. Rathnayake, D. Chen, R. Frost, “Synthesis, application and evaluation of non-sintered zeolite porous filter (ZPF) as novel filter media in biological aerated filters (BAFs)”. Journal of Environmental Chemical Engineering, 4 (2016) 3374-3384.
Available from: http://www.sciencedirect.com/science/article/pii/S2213343716302536

L. Ma, S. I. Rathnayake, H. He, R. Zhu, J. Zhu, G. A. Ayoko, J. Li, Y. Xi, “In situ sequentially generation of acid and ferrous ions for environmental remediation”, Chemical Engineering Journal, 302 (2016) 223‒232.
Available from: http://www.sciencedirect.com/science/article/pii/S138589471630688X

S. I. Rathnayake, W. N. Martens, Y. Xi, R. L. Frost, G. A. Ayoko, “Remediation of Cr(VI) by inorganic‒organic clay”, Journal of Colloid and Interface Science, 490 (2017) 163-173.
Available from:http://www.sciencedirect.com/science/article/pii/S002197971630947X

T. Bao, T. Chen, N. Ezzatahmadi, S. I. Rathnayake, D. Chen, M. L. Wille, R. Frost, “A performance evaluation of a new iron oxide‒based porous ceramsite (IPC) in biological aerated filters”, Environmental Technology, 38 (2016) 827-834.
Available from: http://iahr.tandfonline.com/doi/abs/10.1080/09593330.2016.1213769#.WN35iPmGPcs

W.M.J.C.M. Tissera, S.I. Rathnayake, E.D.N.S. Abeyrathne, K.C. Nam, “An improved extraction and purification method for obtaining high-quality chitin and chitosan from blue swimmer (Portunus pelagicus) crab shell waste”, Food Science and Biotechnology, 30 (2021) 1645–1655.
Available From:https://link.springer.com/article/10.1007/s10068-021-01002-x

Full Journal Papers – Non-indexed Journals

L.L. Edirisinghe, S.I. Rathnayake, A.G.A.W. Alakolanga, K.G.C. Senarathna, K.B. Wijesekara, “Bioassay Guided Fractionation of Anti-Hyperglycemic Compounds Extracted from Cheilocostus Specious, and Model Development for Sustained Release of Anti-Hyperglycemic Compounds Using Acarbose”, Sri Lankan Journal of Applied Sciences, 3 (2025) 51-58.
Available from:https://sljoas.uwu.ac.lk/index.php/sljoas/article/view/123

Full Conference Papers

L.A.L. Raveena, H.A. Viraji, S.I. Rathnayake, H.S. Sitinamaluwa, “Activated graphene oxide for removal of methylene blue from aqueous solutions”, 2024 Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka (2024) 448-453.
Available from:https://ieeexplore.ieee.org/abstract/document/10688886

Thesis

PhD Dissertation, Queensland University of Technology, Brisbane, Australia
Suramya I Rathnayake, “Synthesis, characterisation and application of inorganic‒organic clays for water purification”, 2017.
Available from:https://eprints.qut.edu.au/104320/

Peer Reviewed Abstracts

S. I. Rathnayake, Y. Xi, R. L. Frost, G. A. Ayoko, “Simultaneous removal of inorganic and organic contaminants from water by inorganic-organic clays”, XVI International Clay Conference, Granada, Spain, 2017.
Available from:https://scientevents.com/download/volume-7/

K.L.R.I. Piyasena, S.I. Rathnayake, H.M.J.C. Pitawala, “Characterisation and implications for potential environmental applications of montmorillonite extracted from clay deposits in Murunkan, Sri Lanka”, International Research Symposium, Uva Wellassa University of Sri Lanka, 2019.
Available from:https://www.uwu.ac.lk/ircuwu2019/docs/Proceedings.pdf

S.S. Induruwage, A.G.A.W. Alakolanga, S.I. Rathnayake, K.G.C. Senarathna, K.B. Wijesekara, “Extraction and Isolation of Anti-hyperglycemic Compounds from Cheilocostus speciosus to produce sustained release formulations”, International Research Conference, Uva Wellassa University of Sri Lanka, 2020.

Available from:https://www.uwu.ac.lk/wp-content/uploads/2020/proceeding_of_ircuwu2020_v2.pdf

H.K.S.P. Mihiravi, E.A.L. Lochana, S.I. Rathnayake, A.G.A.W. Alakolanga, K.G.C. Senarathna, E.P.N. Premarathne, K.B. Wijesekara, “Intercalation of Acarbose into Sodium Montmorillonite for Sustained Release Formulation”, International Research Conference, Uva Wellassa University of Sri Lanka, 2020.
Available from:http://www.erepo.lib.uwu.ac.lk/handle/123456789/6068

P.A.S. Kawmudhi, E.A.L. Lochana, E.P.N. Premarathne, A.G.A.W. Alakolanga, S.I. Rathnayake, “A Study on Sustained Drug Releasing Properties of Acarbose Intercalated Na-montmorillonite for Potential Pharmaceutical Applications”, 5th International Research Conference of Uva Wellassa University, 2021.

Available from:https://www.uwu.ac.lk/wp-content/uploads/2021/ircuwu_2021_proceedings.pdf

W.M.J.C.M. Tissera, S.I. Rathnayake, E.D.N.S. Abeyrathne, “Extraction and Purification of Chitin and Chitosan from Portunus pelagicus Crab Shell Waste”, 5th International Research Conference of Uva Wellassa University, 2021, p 205.

Available from:https://www.uwu.ac.lk/wp-content/uploads/2021/ircuwu_2021_proceedings.pdf

J.A.D. Hasara, P. Weththasinghe, E.D.N.S. Abeyrathne, B.C. Jayawardana, J.A.M.S. Jayatilake, R. Liyanage, R.M.S.I. Rathnayake, “Extraction, purification and characterization of chitosan from crab, shrimp and insect shells”, Proceedings of the Faculty of Agriculture Undergraduate Research Symposium, 2022, p 193.
Available from:https://proceedings.netlify.app/files/downloads/book.pdf

K.I.V. Suraweera, E.D.N.S. Abeyrathne, S.I. Rathnayake, Characterization and differentiation of Chitin and Chitosan extracted from common crustacean species”, 7th International Research Conference of Uva Wellassa University, 2023, p 238.
Available from:https://irc.uwu.ac.lk/wp-content/uploads/2023/08/IRCUWU2023-Proceedings-F3.pdf

A.J.M.D. Sandaruwan, S.I. Rathnayake, M. Rambukwella, “Synthesis and characterization of protected Iron nanoparticles”, 7th International Research Conference of Uva Wellassa University, 2023, p 247.
Available from:https://irc.uwu.ac.lk/wp-content/uploads/2023/08/IRCUWU2023-Proceedings-F3.pdf

J.D.W. Jayaneththi, E.M.T.S. Ekanayake, R.U.W.M.C.B. Rambukwella, R.M.S.I. Rathnayake, “In vitro Germination and Multiplication of Gypsophila elegans (Pink Baby’s Breath)”, International Conference on Innovation and Emerging Technologies, 2023, p 32.
Available from:https://iciet.sjp.ac.lk/conference-proceedings/

J.A.D. Hasara, P. Weththasinghe, E.D.N.S. Abeyrathne, B.C. Jayawardana, J.A.M.S. Jayatilake, R. Liyanage, R.M.S.I. Rathnayake, “Physico-chemical and functional properties of insect chitosan: comparison with crab and shrimp chitosan”, Insects to Feed the World, 2024, p 186.
Available from:https://brill.com/view/journals/jiff/10/13/jiff.10.issue-13.xml

S.I. Rathnayake, H.G.N. Rajapaksha, M.L.H.A. Lankage, P.U.J. Pathiranage, N.T. Chandana, “Surfactant-assisted synthesis and characterization of hydroxyapatite nanoparticles”, 8th International Research Conference of Uva Wellassa University, 2024, p 350.
Available from:https://irc.uwu.ac.lk/ircuwu2024-proceeding/

Team Leader, Preparation Team of Student Handbook, Faulty of Applied Sciences. 2018 – 2020.

Track Coordinator – Material and Mineral Sciences Track, International Research Conference of Uva Wellassa University of Sri Lanka (IRCUWU). 2019.

Coordinator, Curriculum Development Team, Bachelor of Science Honours in Materials Science Degree, Department of Science and Technology, Faculty of Applied Sciences. 2018 – Date.

Member, Curriculum Development and Revision Committee, Faculty of Applied Sciences. 2018 – Date.

Mentor, 100 Level Students, Department of Science and Technology, Faculty of Applied Sciences. 2018 – Date.

Sub-coordinator, Activity 4, AHEAD World Bank Project, Faulty of Applied Sciences. 2018 – 2023.

Faculty Coordinator, Faculty Quality Assurance Cell, Faculty of Applied Sciences. 2019 – 2021.

Group Leader, Sub Committee on “Student Assessments and Awards” /Self Evaluation report (SER) and Programme Review (PR), Department of Science and Technology, Faculty of Applied Sciences. 2019 – 2020.

Team Member, Self-Evaluation Report Writing Team, Programme Review 2020, Department of Science and Technology, Faculty of Applied Sciences. 2020 – 2022.

Main Coordinator, UWU EXPO 2022, National Educational and Industrial Exhibition 2021 – 2022.

Research Coordinator, Department of Science and Technology, Faculty of Applied Sciences. 2021 – 2022.

In-charge, GC-MS Facility Operation, Faculty of Applied Sciences. 2022 – Date.

Psychological Counselor, Uva Wellassa University, 2022 – Date.

Specialization coordinator, Materials Science and Technology, 300 – 400 Level, Department of Science and Technology, Faculty of Applied Sciences. 2023 – Date.

Academic counselor, Faculty of Applied Sciences. 2023 – Date.

In-charge, Materials Science Laboratory, Department of Science and Technology, Faculty of Applied Sciences. 2023 – Date.

Member, Committee for Improving the Quality of Laboratories, Department of Science and Technology, Faculty of Applied Sciences. 2022 – Date.

Associate Editor, Sri Lankan Journal of Applied Sciences (SLJoAS), Faculty of Applied Sciences, Uva Wellassa University of Sri Lanka. 2022 – 2024.

Member, Lecturers panel, Course material text books preparation, BSc External Degree Programme, Faculty of Applied Sciences. 2023 – Date.

Chairperson, Board of Study on External Degree Programmes and Extension Courses, Faculty of Applied Sciences. 2023 – Date.

Track Coordinator – Environmental Science Track, International Research Conference of Uva Wellassa University of Sri Lanka (IRCUWU) 2024.

Editor-in-chief, Sri Lankan Journal of Applied Sciences (SLJoAS), Faculty of Applied Sciences, Uva Wellassa University of Sri Lanka. 2024 – Date.

Memberships

Chartered Member of Royal Australian Chemical Institute (MRACI C.Chem.). 2017

Member of American Chemical Society (ACS). 2018 – Date

Sri Lankan Association for Advancement of Science (SLAAS). 2022 – Date

Achievements and Awards

Tier 3 Researcher in Applied Sciences at National Level. 2022

Research Awards, Uva Wellassa University of Sri Lanka. 2021

Outstanding Doctoral Thesis Award: Executive Dean’s Commendation Award, QUT, Australia. 2017

QUT Postgraduate Research Award (QUTPRA), QUT, Australia.2013

QUT Tuition Fee Scholarship, QUT, Australia. 2013

Teaching Academic Year 2024 – 2025
Semester I

• SCT 231-2 Physical Chemistry (T+P)
• SCT 341-2 Surface and Colloidal Science (T+P)
• SCT 363-1 Soft Materials and Their Applications
• SCT 442-2 Composites and Polymer Blends (T+P)
• SCT 462-1 Smart Materials and Intelligent Mechanical Systems
• SCT 404-6 Research Project

Teaching 2023 – 2024 Academic Year
Semester I

• SCT 231-2 Physical Chemistry (T+P)
• SCT 341-2 Surface and Colloidal Science (T+P)
• SCT 331-1 Applications of Nanotechnology
• SCT 442-2 Composites and Polymer Blends (T+P)
• SCT 443-1 Materials Technology Laboratory – III (P)
• SCT 404-6 Research Project