Degrees

  • Ph.D. in Chemistry – University of Cambridge, UK
  • B.Sc Honors Degree in Chemistry – University of Peradeniya, Sri Lanka
  • Diploma in Teaching in Higher Education – University of Colombo, Sri Lanka

Publications

  • Sehan Jayasinghe, Dumindu Siriwardana, Chandani Perera, Imalka Munaweera, Nilwala Kottegoda, Sustainable Synthesis of Highly Functionalized Activated Carbon using Plasma Technology: A Review, ChemPlusChem, 2022, https://doi.org/10.1002/cplu.202200202
  • Piyumi Kodithuwakku, Dilushan Jayasundara, Imalka Munaweera, Randika Jayasinghe, Tharanga Thoradeniya, Manjula Weeraseker, Pulickel M.Ajayan, Nilwala Kottegoda, A Review on Recent Developments in Structural Modification of TiO2 For Food Packaging Applications, Progress in Solid State Chemistry, 2022, In Press
  • Chamalki Madhusha , Madhavi de Silva, Imalka Munaweera, Chandani Perera and Nilwala Kottegoda, The Quest for Sustainable Catalysis through Transition Metal Doped Carbon-based Single-Atom Catalysts, Iranian Journal of Catalysis, 2022 (Accepted)
  • Prasad Disanayake, Chamalki Madhusha, Imalka Munaweera, Gayan Wijesinghe, Manjula Weerasekera, Samitha Deraniyagala, Nilwala Kottegoda, Microwave Assisted Synthesis of Cobalt Doped Rutile/Ilmenite Derived from Natural Sands as Visible Light Active Photocatalytic and Antimicrobial Agents, Chemistry Select, 2022 (accepted)
  • G K Wijesinghea, T A Jayarathna , K A A Dilhari, C Gunasekara , N Fernando , N Kottegoda, L P Samaranayake & M M Weerasekera, Ayurvedic Herbal Extracts Suppress Candidal biofilms in vitro, Indian Journal of Traditional Knowledge Vol 21(3), July 2022, pp 499-504
  • Senuri Kumarage, Imalka Munaweera, Nilwala Kottegoda, Contemporary, Multidisciplinary Roles of Mesoporous Silica Nanohybrids/Nanocomposites, Chemistry Select, 2022, (21), https://doi.org/10.1002/slct.202200574
  • Senuri Kumarage, Chamalki Madhusha, Imalka Munaweera, Nilwala Kottegoda, Application of Metal/Metal Oxide Doped Electrospun Nanofiber Membranes in Sustainable Catalysis, Vidyodaya Journal of Science, 2022, 25(1), https://doi.org/10.31357/vjs.v25i01.5922.
  • Nilwala Kottegoda, Ladder of Scientific Research to Develop the Developing Nations (Editorial). Ceylon Journal of Science, 2022, 51(1), 1–2. DOI: http://doi.org/10.4038/cjs.v51i1.7973
  • Thilini Amarasekara, Imalka Munaweera, Nilwala Kottegoda, Review on mechanisms of phosphate solubilization in rock phosphate fertilizer, Communications in Soil Science, Communications in Soil Science and Plant Analysis, 2022, https://doi.org/10.1080/00103624.2022.2034849
  • S Kumarage, I Munaweera, N Kottegoda, A comprehensive review on electrospun nanohybrid membranes for wastewater treatment, Beilstein Journal of Nanotechnology, 2022, 13(1), 137-159
  • TS Rasadari, H. M. I. K. Herath, H K Dedduwakemara, N Kottegoda, T Kuruwita-mudiyanselage, Impact of Hydrogels on Early Growth of Maize in Sandy Regosols: Progress towards Improving Growth Performance by Enhancing Water and Nutrients Retention Capacity of the Soil, Journal of Food and Agriculture, 14(1) 2021, 36-48
  • KL Seneviratne, I Munaweera, SE Peiris, CN Peiris, N Kottegoda, Recent Progress in Visible-Light Active (VLA) TiO2 Nano-Structures for Enhanced Photocatalytic Activity (PCA) and Antibacterial Properties: A Review, Iranian Journal of Catalysis 11 (3), 217-245.
  • Nimshi L. Fernando, Dhanusha T. N. Rathnayake, Nilwala Kottegoda, J. K. D. Sumedha Jayanetti, Veranja Karunaratne, Dilushan R. Jayasundara, Mechanistic Insights into Interactions at UreaHydroxyapatite Nanoparticle Interface, Langmuir, 2021, la-2021-00564x (10.1021/acs.langmuir.1c0056.
  • Niranjala Fernando, Jayashree Swaminathan, Francisco Carlos Robles Hernandez, Gayan Priyadarshana, Chanaka Sandaruwan, Wenli Yang, Veranja Karunaratne, Zixing Wang, Gehan AJ Amaratunga, Nilwala Kottegoda, Ashokkumar Meiyazhagan, Pulickel M Ajayan, Pseudobrookite based heterostructures for efficient electrocatalytic hydrogen evolution, Materials Reports: Energy, 2021, 100020, ISSN 2666-9358 https://doi.org/10.1016/j.matre.2021.100020
  • Reduced Crystalline Biofilm Formation on Superhydrophobic Silicone Urinary Catheter Materials Buddhika Gayani, Ayomi Dilhari, Nilwala Kottegoda, Dilru R. Ratnaweera, and Manjula Manoji Weerasekera, ACS Omega 2021 6 (17), 11488-11496, DOI: 10.1021/acsomega.1c00560
  • Latheesha Abeywardana, Madhavi de Silva, Chanaka Sandaruwan, Damayanthi Dahanayake, Gayan Priyadarshana, Surani Chathurika, Veranja Karunaratne, Nilwala Kottegoda, Zinc-Doped Hydroxyapatite–Urea Nanoseed Coating as an Efficient Macro–Micro Plant Nutrient Delivery Agent, ACS Agricultural Science & Technology, 2021, DOI: 10.1021/acsagscitech.1c00033.
  • Chamalki Madhusha, Kumudu Rajapaksha, Imalka Munaweera, Madhavi de Silva, Chandani Perera, Gayan Wijesinghe, Manjula Weerasekera, Dinesh Attygalle, Chanaka Sandaruwan, Nilwala Kottegoda, A Novel Green Approach to Synthesize Curcuminoid-Layered Double Hydroxide Nanohybrids: Adroit Biomaterials for Future Antimicrobial Applications, ACS Omega, 2021, 2021 6 (14), 9600-9608 DOI: 10.1021/acsomega.1c00151
  • Chamalki Madhusha, Imalka Munaweera, Nilwala Kottegoda, Functional Nanomaterials as Smart Food Packaging: A Brief Review, African British Journals, 2021, 4(1), 58-78, ISSN: 2689-5331
  • Dinusha Senarathna, Manjula M Weerasekera, Nilwala Kottegoda, Dilru R Ratnaweera, Improving superhydrophobicity of polydimethylsiloxanes using embedding fluorinated polyhedral oligomeric silsesquioxanes cages, SN Applied Science, 2020, 2, 1944. http:doi.org/10.1007/s42452-020-03721-y
  • Samali Liyanaarachchi, Chayanika Padumadasa, Gayan Priyadarshana, Fransisco Carlos Robles Hernandez, Ayomi Dilhari, Onur Sahin, Sandali Lakshika, Gayan Wijesinghe, Manjula Weerasekera, Veranja Karunaratne, Zixing Wang, Ashokkumar Meiyazhagan, Nilwala Kottegoda, and Pulickel M. Ajayan, Magnetite-Functionalized Plumbagin for Therapeutic Applications, ACS Sustainable Chemistry & Engineering 2021 9 (3), 1361-1372 DOI: 10.1021/acssuschemeng.0c08194
  • Chamalki Madhusha, Imalka Munaweera, Veranja Karunaratne, Nilwala Kottegoda, Facile Mechanochemical Approach To Synthesizing Edible Food Preservation Coatings Based On Alginate/Ascorbic Acid-Layered Double Hydroxide Bio-Nanohybrids, ACS Journal of Agricultural and Food Chemistry, July 2020, DOI: https://doi.org/10.1021/acs.jafc.0c01879
  • S. Raguraj, W.M.S. Wijayathunga, G.P. Gunaratne, R.K.A. Amali, Gayan Priyadarshana, Chanaka Sandaruwan, V. Karunaratne, L. S. K. Hettiarachchi, Nilwala Kottegoda, Urea- Hydroxyapatite Nanohybrid as an Efficient Nutrient Source in Camellia sinensis (L.) Kuntze (Tea), Journal of Plant Nutrition, 2020, 1-12, DOI: https://doi.org/10.1080/01904167.2020.1771576
  • Madhavi de Silva, Dumindu Siriwardene, Chanaka Sandaruwan, Gayan Priyadarshane, Veranja Karunaratne, Nilwala Kottegoda, Urea-silica nanohybrids with potential applications for slow and precise release of nitrogen, Materials Letters, 272, 2020, 127839, DOI: https://doi.org/10.1016/j.matlet.2020.127839
  • GMC Alwis, N Kottegoda, UN Ratnayake, Facile exfoliation method for improving interfacial compatibility in montmorillonite-natural rubber nanocomposites: A novel charge inversion approach, Applied Clay Science, 2020, 191, 105633 DOI: https://doi.org/10.1016/j.clay.2020.105633
  • Buddhini Nisanka, Nilwala Kottegoda, Dilushan Jayasundara, Probing Structural Variations of Graphene Oxide and Reduced Graphene Oxide Using Methylene Blue Adsorption Method, Journal of Materials Science, 2020, 1996-2005, DOI: https://doi.org/10.1007/s10853-019-04087-2
  • Nilwala Kottegoda, Guest Editorial, Winning Back the Nation through Chemistry, Chemistry in Sri Lanka, Jan 2019
  • Nilwala Kottegoda, Nanofertilizer: Seeds of Change in Fertilizer Innovations (invited Review Article), Vidyodaya Journal of Sri Lanka, April 2019
  • Wijesinghe G, Dilhari A, Gayani B, Kottegoda N, Samaranayake L, Weerasekera M. Influence of Laboratory Culture Media on In-vitro Growth, Adhesion and Biofilm Formation of Pseudomonas aeruginosa and Staphylococcus aureus. Medical Principles and Practice. 2018 Oct. DOI: https://doi.org/10.1159/000494757
  • Buddhika Gayani, Ayomi Dilhari, Gayan Wijesinghe, Sajeewani Kumarage, Sammera Samarakoon, Inoka Perera, Nilwala Kottegoda, Manjula Weerasekera, Effect of Natural Curcuminoids Intercalated Layered Double Hydroxide Nanohybrid against Staphylococcus aureus, Pseudomonas aeruginosa and Enterococcus faecalis: A Bactericidal, Anti-biofilm and Mechanistic Study, Microbiology Open, Sep 2018, DOI: https://doi.org/10.1002/mbo3.723
  • Umeka Nayanathara, Nilwala Kottegoda, Inoka Perera, Thilini Kuruwita Mudiyanselage, Synthesis, photodegradable and antibacterial properties of polystyrene-cinnamaldehyde copolymer film, Polymer Degradation and Stability, DOI: https://doi.org/10.1016/j.polymdegradstab.2018.07.021
  • Nimshi L. Fernando, Nilwala Kottegoda, Sumedha Jayanetti, Veranja Karunaratne, Dilushan R. Jayasundara, Stability of nano-hydroxyapatite thin coatings at liquid/solid interface, Surface & Coatings Technology 2018, 349, 24–31, DOI: https://doi.org/10.1016/j.surfcoat.2018.05.042
  • GK Wijesinghe, PDTA Jayarathna, TDCP Gunasekara, N Fernando, N Kottegoda, MM Weerasekera, Antibacterial and anti-candida activity of chlorhexidine gluconate, Triphala and Munamal pothu (bark of Mimusops elengi), Sri Lankan Journal of Infectious Diseases 2018, 8(1):25-31 DOI: http://dx.doi.org/10.4038/sljid.v8i1.8166
  • Ranuri Samavini, Chanaka Sandaruwan, Madhavi De Silva, Gayan Priyadarshana, Nilwala Kottegoda, Veranja Karunaratne, Effect of Citric Acid Surface Modification on Solubility of Hydroxyapatite Nanoparticles, ACS Journal of Agriculture and Food Chemistry, 2018, 66 (13), pp 3330–3337, DOI: http://doi.org/10.1021/acs.jafc.7b05544
  • Upendra Ratnayake, Tharindu Senapathi, Chanaka Sandaruwan, Sanja Gunawardene, Veranja Karunaratne, Nilwala Kottegoda, Rice Bran Nanofiber Composites for Stabilization of Phytase, Chemistry Central Journal (BMS Chemistry- Current Title), 2018, 12:28, https://doi.org/10.1186/s13065-018-0400-y
  • S.K.T. Thathsara, P.L.A.T. Cooray, Thilini Kuruwita Mudiyanselage, Nilwala Kottegoda, Dilru R. Ratnaweera, A novel Fe-La-Ce tri-metallic composite for the removal of fluoride ions from aqueous media, Journal of Environmental Management, 2018, 207, 387-395
  • Manjula M Weerasekera, Thilini A Jayarathna, Gayan K Wijesinghe, Chinthika P Gunasekara, Neluka Fernando, Nilwala Kottegoda, Lakshman P Samaranayake, The Effect of Nutritive and Non-Nutritive Sweeteners on the Growth, Adhesion, and Biofilm Formation of Candida albicans and Candida tropicalis, Medical Principles and Practice, 2017, DOI: http://doi.org/10.1159/000484718
  • Nadeesh Madusanka, Chanaka Sandaruwan, Nilwala Kottegoda, Dinaratne Sirisena, Imalka Munaweera, Ajith De Alwis, Veranja Karunaratne, Gehan A.J. Amaratunga, Urea–hydroxyapatite-montmorillonite nanohybrid composites as slow release nitrogen compositions, Applied Clay Science, 2017, 150, 303-308
  • Veromee Wimalasena, Helapumi Weeratunge, Veranja Karunaratne, Nilwala Kottegoda, Silica based Superhydophobic Nano-coatings for Natural Rubber Surfaces, Journal of Nanomaterials, 2017(2017), DOI: https://doi.org/10.1155/2017/2102467
  • Buddhika Gayani, A D L Chandani Perera, Nilwala Kottegoda, Thermodynamic, Equilibrium and Kinetic Studies of Adsorption of Rhodamine B onto Activated Bamboo Carbon, Desalination and Water Treatment, 2017, 67, 271–283
  • Eshani Hettiarachchi, Nilwala Kottegoda, A D L Chandani Perera, Activated Coir for Removal of Water Hardness, Desalination and Water Treatment, 2017, 66, 103–110.
  • Manjula M Weerasekera, Gayan K Wijesinghe, Thilini A Jayarathna, Chinthika P Gunasekara, Neluka Fernando, Nilwala Kottegoda, Lakshman P Samaranayake, Culture Media Profoundly Impact Candida albicans and Candida tropicalis Growth, Adhesion, and Biofilm Development, Memórias do Instituto Oswaldo Cruz, 2016, 1-6.
  • Ajona Megalathan, Sajeewani Kumarage, Ayomi Dilhari, Siromi Samarasinghe, Manjula Weerasekera, Nilwala Kottegoda, Natural curcuminoids encapsulated in layered double hydroxides: a novel antimicrobial nanohybrid, Chemistry Central Journal, 2016, 10(36), DOI: https://doi.org/10.1186/s13065-016-0179-7
  • G P Gunaratne, Nilwala Kottegoda, Nadeesh Madusanka, Imalka Munaweera, Chanaka Sandaruwan, W M G I Priyadarshana, Asitha Siriwardhana, B A D Madhushanka, U A Rathnayake, Veranja Karunaratne, Two new plant nutrient nanocomposites based on urea coated hydroxyapatite: Efficacy and plant uptake, Indian Journal of Agricultural Sciences 2016, 86 (4)
  • Eshani Hettiarachchi, Rumali Perera, Chandani Perera, Nilwala Kottegoda, Activated Coconut Coir for Removal of Sodium and Magnesium Ions from Saline Water, Desalination and Water Treatment, 2015, 1-12
  • Gayan Priyadarshana, Nilwala Kottegoda, Atula Senaratne, Ajith de Alwis, and Veranja Karunaratne, Synthesis of Magnetite Nanoparticles by Top-Down Approach from a High Purity Ore, Journal of Nanomaterials, 2015, 2015 DOI: http://dx.doi.org/10.1155/2015/317312
  • Nilwala Kottegoda, Jayoda Perera, Manjula Weerasinghe, Slow Release Anti-Fungal Skin Formulations Based on Citric Acid Intercalated Layered Double Hydroxides Nanohybrids, Chemistry Central Journal, 2015,9,27, DOI: https://doi.org/10.1186/s13065-015-0106-3
  • Nilwala Kottegoda, Chanaka Sandaruwan, Piumi Perera and Veranja Karunaratne, Modified Layered Nanohybrid Structures for the Slow Release of Urea, Nanoscience & Nanotechnology-Asia, 2014, 4(2), 94-102 – Editor’s choice article
  • Supun Samindra, and Nilwala Kottegoda, Encapsulation of Curcumin into Layered Double Hydroxides, Nanotechnology Review, 2014, 3(6).
  • Lilantha Samaranayake, Nilwala Kottegoda, A R Kumarasinghe, Veranja Karunaratne, Production of Carbon Nanotubes Using Vein Graphite, International Journal of Scientific Engineering and Technology, 2014, 3(5), 354-357
  • Nilwala Kottegoda, Nadeesh Madusanka, Chanaka Sandaruwan, and Veranja Karunaratne, Synthesis of Ag Nanoparticle/Mg-Al-Layered Double Hydroxide Nanohybrids, European International Journal of Applied Science and Technology, 2014, 1(1), 1-4
  • Thiloka M Dissanayake, Nilwala Kottegoda, and Chandani Perera, Evaluation of ion adsorption capacities of Murunkan clay and coir as cost effective materials for desalination of water, Int. J. of Earth Sci. Eng., 2013, 6(4-1), 788-790
  • Asurasinghe R Kumarasinghe , Lilantha Samaranayake , Federica Bondino , Elane Magnano , Nilwala Kottegoda, Elvio Carlino , Upul N Ratnayake , Ajith de Alwis , Veranja Karunaratna , and Gehan A J Amaratunge, Self-Assembled Multilayer Graphene Oxide Membrane and Carbon Nanotubes Synthesized Using a Rare Form of Natural Graphite, Journal of Physical Chemistry C, 2013, 117 (18), pp 9507–9519
  • G M C Alwis, U N Ratnayake, and Nilwala Kottegoda, Reinforcement and curing characteristics of organoclay filled natural rubber nanocomposites, Journal of the Rubber Research institute of Sri Lanka, 2013, 93
  • Nilwala Kottegoda, Imalka Munaweera, Nadeesh Madusanka, Dinaratne Sirisena, Nimal Dissanayake, Gehan A. J. Amaratunga and Veranja Karunaratne, The Advent of Nanotechnology in Smart Fertilizer, World Agriculture, 2012 3(1)
  • Veranja Karunaratne, Nilwala Kottegoda, Ajith De Alwis, Nanotechnology in a World Out of Balance, Journal of National Science Foundation, 2012 40: 3-8
  • Indrasekara, S., Nilwala Kottegoda, Layered Double Hydroxide (LDH) / Sugar Nanocomposites as Drug Excipients, Journal of National Science Foundation, 2011 39:113-119
  • Nilwala Kottegoda, Munaweera, I., Madusanka, N., Karunaratne, V., A Green Slow Release Fertilizer Composition Based on Urea Modified Hydroxyapatite Nanoparticles Encapsulated Wood, Current Science, 2011 101: 73 -78
  • Nilwala Kottegoda, Nadeesh Madusanka, Eternal Quest to Learn From Nature, It is now Nanotechnology, Chemistry in Sri Lanka, Feb. 2010
  • Kottegoda N. S., Jones W., Preparation and Characterisation of Li-Al-glycine Layered Double Hydroxides (LDHs)-Polymer Nanocomposites, Macromolecular Symposia, 2005 222: 65-71

Patents

  • Method of Making Silver-Iron Titanate Nanoparticles and Uses Thereof, PCT/IB2021/053178, April 16, 2022, extended to USPTO 17/758,821. 14th July 2022
  • Method of making a nanofertilizer composition for sustained release of macronutrients, WO2022180504, September 2022
  • Composition and Method to Manufacture Nano-Rock Phosphate and Urea Modified Nano-Rock Phosphate for Fertilizer Applications, LK/2021/21626, January 2022/ PCT pending approval
  • Method of Producing Titanium from Titanium Oxide through Magnesium Vapour Reduction Second patent: US10927433B2, February 23 2021.
  • A Method of Synthesizing Urea-hydroxyapatite Nanohybrid Fertilizers, LK/2019/P/20717, Jan 2021
  • Asbestos free nano-hybrid for fiber-cement composite applications, PCT/IB2019/054114, Nov 2020
  • Method of Producing Titanium from Titanium Oxide through Magnesium Vapour Reduction: US10316391B2, June 11 2019.
  • Process for Preparation of Nanoparticles from Magnetite Ore, US 10192660B2, Jan 29 2019.
  • Composition and Method for Sustained Release of Agricultural Macronutrients, a continuation-in-part of U.S. application Ser. No. 12/794,741, US 8 696 784 B2, April 15 2014.
  • Compositions for Sustained Release of Agricultural Macronutrients and Process There of, US 8 361 185 B2, Jan 29 2013
  • A Cellulose Based Sustained Release Macronutrient Composition for Fertilizer Application, US 8 617 284 B2, Dec 13 2013.
  • A Cellulose based Sustained Release Macronutrient Composition for Fertilizer Application, CN102985393B1, Dec 10 2014 (Chinese patent).
  • Composition and Method for Sustained Release of Agricultural Macronutrients, 1-2015-501297, July 2018. (Philippine patent).
  • Elastomeric Polymer/Spinel Nanoparticle Composites to Introduce Special Properties to Dipped Articles, WO/2010/046789 and Sri Lankan patent 15164 ,– Product is already in the market