DR. M.N. MOHOMED SHAYAN
Senior Lecturer
PhD (Hokkaido) M. Eng.(Hokkaido) B.Sc. Eng (Hons) (University of Ruhuna)
Contact info
+94 77 830 1679
shayan.n@cee.ruh.ac.lk
Room CE 305
Specialization
Environmental Engineering
Educational Qulifications
- PhD in in Environmental Engineering from Hokkaido University, Japan
- M. Eng. in Environmental Engineering from Hokkaido University, Japan
- B.Sc. Civil & Environmental Engineering , Faculty of Engineering, University of Ruhuna, Sri Lanka
Professional Experience
- Visiting Lecturer in Oluvil University in Sri Lanka
- Technical trainee, AIST (Sanshoken) Hokkaido (February 2023 – August 2025).
- Teaching Assistant,Hokkaido University (April 2023 – March 2025).
- Project Coordinator/Civil Engineer in Summit Engineering Consultants (pvt) Ltd (2020 Jan – 2020 August).
- Visiting Lecturer in SLIATE, Labuduwa (June 2019 – 2020 August)
- Teaching Assistant, Faculty of Engineering, University of Ruhuna (February – December 2019)
Memberships
- Associate Member of the Institute of Engineers, Sri Lanka (AMIESL)
- Associate Engineer – Engineering Council Sri Lanka (ECSL)
Research Interests
- Community managed water supply shcemes
- Water quality of urban rivers
- Recalimed water, Bacterial community
- Antibiotic resistant genes and bacteria, biosensors, chlorination and organic matters
Publications
- Refereed international journal papers and book chapters
- Shayan M.N.M., Tushara Chaminda G.G., Ellawala K.C., Gunawardena W.B. Evaluation of Water Quality of Community Managed Water Supply Schemes (CMWSS) in Galle District. In: Kumar M., Munoz-Arriola F., Furumai H., Chaminda T. (eds) Resilience, Response, and Risk in Water Systems. Springer Transactions in Civil and Environmental Engineering. Springer, Singapore, pp 139-150, 2020. https://doi.org/10.1007/978-981-15-4668-6_8.
- Mohomed N. M. Shayan, Takeshiro Onodera, Reiko Hirano, Kyohei Kuroda, Takashi Narihiro, Yuki Nakaya, Hisashi Satoh, Effects of snowmelt runoff on bacterial communities and antimicrobial resistance gene concentrations in an urban river in a cold climate region. Environmental Science and Pollution Research. 32, 7641–7650. 2025, https://doi.org/10.1007/s11356-025-36168-y.
- Mohomed N. M. Shayan, Yuna Tanaka, Reiko Hirano, Yuki Nakaya, Hisashi Satoh, A simple and rapid method for detecting fecal pollution in urban rivers by measuring the intrinsic β-D-glucuronidase activity of Escherichia coli, Water Research. 246:120689, 2023, doi: 10.1016/j.watres.2023.120689.
- Mohomed Shayan, Shou Taniuchi, Yuki Nakaya, Hisashi Satoh, Release levels, resistant formation potential, and ecological risk of macrolide antibiotics in urban rivers, 下水道研究発表会講演集, 60, 1246-1248, 2023, 東京: 日本下水道協会.
- Wasala M.K.R.T. Bandara, Mohomed Shayan, R.M.W.C. Thennakoon, P.A.A. Kumudumali, Hisashi Satoh, Introduction of Plug-flow Anaerobic Sludge Blanket (PASB) reactor for wastewater treatment, Desalination and Water Treatment, Volume 319, 2024,100439, https://doi.org/10.1016/j.dwt.2024.100439.
- 本平 航大, 片岡 恋惟, BISWAS Biplob Kanti, MOHOMED Shayan, 留学生による市民公開講座の実践と特性, 日本科学教育学会年会論文集. 回次:48, 2024, https://doi.org/10.14935/jssep.48.0_731.
- Wasala M.K.R.T. Bandara, B.M.L.A. Basnayake, N.M. Shayan, I.M.V.U. Ilangakoon, N.A.S. Nimanthika, Hisashi Satoh, Feasibility study for the treatment of palm oil mill effluent (POME) using electrocoagulation method, Desalination and Water Treatment. Desalination and Water Treatment, 2025,101054, https://doi.org/10.1016/j.dwt.2025.101054.
- Refereed international conferences
- Mohomed N. M. Shayan, Hisashi Satoh, Factors Affecting for the Temporal Variation of Escherichia Coli in Urban Rivers, Water and Environmental Technology Conference (WET 2021), August10-11,2021, Tokyo, Japan, ONLINE (Oral presentation).
- Mohomed N. M. Shayan, Sho Taniuchi, Hisashi Satoh, Enumeration of Escherichia coli concentration of river water and wastewater samples by measuring β-D-glucuronidase (GUS) activities via Microplate Reader, International Conference on Water Resource and Environment (WRE 2021), November 1-4, 2021, China, ONLINE (Oral presentation).
- Mohomed N. M. Shayan, Takashiro Onodera, Hisashi Satoh, Study on regrowth of Escherichia coli present in chlorinated wastewater effluent in urban rivers, International Conference on the challenges in Environmental Science and Engineering (CESE 2021), November 6-7, 2021, Melbourne, Australia, ONLINE (Oral presentation).
- Mohomed N. M. Shayan, Takeshiro Onodera, Ryutaa Miyajima, Yuya Akazawa, Hisashi Satoh, Prevalence of Antibiotic Resistant Genes (ARG) in Urban Rivers, International conference on water convention of the Singapore International Water Week (SIWW, 2022), April 17-21, 2022, Singapore, ONLINE (Oral presentation).


































