Research

At NIIBS while great emphasis is placed on research that will have an impact on the world, NIIBS will strictly adhere to the maintenance of the highest standards in research integrity, research ethics and good research practice.

Dr. W.D. Sajeewa Pemasinghe

L. Zhao, S. W. Dewage, M. J. Bell, K.-M. Chang, S. Fatma, N. Joshi, G. Silva, G. A. Cisneros, and T. L. Hendrickson, “The Kinase Activity of the Helicobacter pylori Asp-tRNA Asn /Glu-tRNA Gln Amidotransferase Is Sensitive to Distal Mutations in Its Putative Ammonia Tunnel,” Biochemistry, vol. 51, no. 1, pp. 273–285, Jan. 2012, doi: 10.1021/bi201143x.

S. W. Dewage and G. A. Cisneros, “Computational Analysis of Ammonia Transfer Along Two Intramolecular Tunnels in Staphylococcus aureus Glutamine-Dependent Amidotransferase (GatCAB),” J. Phys. Chem. B, vol. 119, no. 9, pp. 3669–3677, Mar. 2015, doi: 10.1021/jp5123568.

R. Bonomi, U. Mukhopadhyay, A. Shavrin, H.-H. Yeh, A. Majhi, S. W. Dewage, A. Najjar, X. Lu, G. A. Cisneros, W. P. Tong, M. M. Alauddin, R.-S. Liu, T. J. Mangner, N. Turkman, and J. G. Gelovani, “Novel Histone Deacetylase Class IIa Selective Substrate Radiotracers for PET Imaging of Epigenetic Regulation in the Brain,” PLOS ONE, vol. 10, no. 8, p. e0133512, Aug. 2015, doi: 10.1371/journal.pone.0133512.

A. C. Pratt, S. W. Dewage, A. H. Pang, T. Biswas, S. Barnard-Britson, G. A. Cisneros, and O. V. Tsodikov, “Structural and computational dissection of the catalytic mechanism of the inorganic pyrophosphatase from Mycobacterium tuberculosis,” J. Struct. Biol., vol. 192, no. 1, pp. 76–87, Oct. 2015, doi: 10.1016/j.jsb.2015.08.010.

L. Zhao, U. M. Rathnayake, S. W. Dewage, W. N. Wood, A. J. Veltri, G. A. Cisneros, and T. L. Hendrickson, “Characterization of tunnel mutants reveals a catalytic step in ammonia delivery by an aminoacyl‐ tRNAamidotransferase,” FEBS Lett., vol. 590, no. 18, pp. 3122–3132, Sep. 2016, doi: 10.1002/1873-3468.12347.

D. Shetty, T. Skorjanc, J. Raya, S. K. Sharma, I. Jahovic, K. Polychronopoulou, Z. Asfari, D. S. Han, S. Dewage, J.-C. Olsen, R. Jagannathan, S. Kirmizialtin, and A. Trabolsi, “Calix[4]arene-Based Porous Organic Nanosheets,” ACS Appl. Mater. Interfaces, vol. 10, no. 20, pp. 17359–17365, May 2018, doi: 10.1021/acsami.8b03800.

A. Srivastava, R. Timsina, S. Heo, S. W. Dewage, S. Kirmizialtin, and X. Qiu, “Structure-guided DNA–DNA attraction mediated by divalent cations,” Nucleic Acids Res., p. gkaa499, Jun. 2020, doi: 10.1093/nar/gkaa499.

S. Pemasinghe and P. K. W. Abeygunawardhana, “Simulated Annealing and It’s Application in Molecular Structure Optimizations,” in 2021 10th International Conference on Information and Automation for Sustainability (ICIAfS), Negambo, Sri Lanka: IEEE, Aug. 2021, pp. 258–262. doi: 10.1109/ICIAfS52090.2021.9605818.

S. Pemasinghe and S. Rajapaksha, “Comparison of CPU Scheduling Algorithms: FCFS, SJF, SRTF, Round Robin, Priority Based, and Multilevel Queuing,” in 2022 IEEE 10th Region 10 Humanitarian Technology Conference (R10-HTC), Hyderabad, India: IEEE, Sep. 2022, pp. 318–323. doi: 10.1109/R10-HTC54060.2022.9929533.

S. Pemasinghe, D. Dayarathna, P. M. R A Panditharathna, S. Saparamadu, and J. Wickramarathne, “An Online Dashboard Platform for Weather Data of Major Sri Lankan Cities, and Global Climate Trends,” in 2022 IEEE Bombay Section Signature Conference (IBSSC), Mumbai, India: IEEE, Dec. 2022, pp. 1–6. doi: 10.1109/IBSSC56953.2022.10037514.

S. Pemasinghe and P. K. W. Abeygunawardhana, “Development of an Elephant Detection and Repellent System based on EfficientDet-Lite Models,” in 2023 International Conference for Advancement in Technology (ICONAT), Goa, India: IEEE, Jan. 2023, pp. 1–6. doi: 10.1109/ICONAT57137.2023.10079959.

S. Pemasinghe, "WaveCryptor: A Secure Hybrid Framework Combining Encryption and Steganography via Frequency Mapping," 2025 5th International Conference on Advanced Research in Computing (ICARC), Belihuloya, Sri Lanka, 2025, pp. 1-6, doi: 10.1109/ICARC64760.2025.10962964.

Prof. Rangamini Werawatta

R. Werawatta, (June 2011). Cyber Security: 01 Byte from the Cyberspace, ISBN: 978-955-658-253-6, Stamford Lake.

R. Werawatta, (July 2011). Why migrate from traditional workspace to cyberspace?, Certified Manager Journal, Institute of Certified Professional Managers.

R. Werawatta, (December 2012). Chain Mail: To forward or Not to?, Cyber Guardian Journal, SLCERT.

R. Werawatta, (May 2013). Social Networking Tools for a Surveillance Society, Cyber Guardian Journal, SLCERT.

R. Werawatta, (January 2014). 05 Lessons to Sri Lankan Youth from the Occupy Movement, Quest Journal, Bandaranaike Centre for International Studies.

R. Werawatta, (2016). From the “World’s teacup” to “Asia’ knowledge hub”: Challenges and Opportunities for Sri Lanka’s Knowledge-Economy, Journal of Modern Management and Economic Development, Sumy State University.

R. Werawatta, (September 2017). Influence of Social Media in Sri Lanka, Certified Manager Journal, Institute of Certified Professional Managers.

R. Werawatta, (August 2019). Impact of Social Media on Cyber Crimes in Sri Lanka from 2009 to 2011, ISBN: 9789554995161, NIIBS.

R. Werawatta, (2021). How Sri Lankan Food Exporters can capitalize Covid-19 affected World Economy, International Journal of Advanced Research 9 (02), 453-454.

R. Werawatta, (2021). Analysis of future demand for Sri Lankan ICT undergraduates in ICT industry: Mapping the ACM/IEEE computing degrees with emerging technologies, International Conference on Advances in Computing and Technology, University of Kelaniya, Sri Lanka.

R. Werawatta, (2023). Research study on the demand for degrees in Bachelor of Science (BSc) Honours in Information Technology in Sri Lanka, 05th International Research Symposium on Social Sciences and Humanities (pp. 309-319), National Centre for Advanced Studies in Humanities and Social Sciences.

Dr. Sampath Chandrasena

S. Chandrasena, (2015). Investigation of Efficient Information Retrieval for Audio Music Data. National Centre for Advanced Studies (NCAS).

S. Chandrasena, (2018). Opportunities and Challenges of Cloud Computing in Sri Lanka. International Research Symposium 2018 (IRSSH 2018), National Center for Advanced Studies in Humanities and Social Sciences Sri Lanka.

S. Chandrasena, (2021). A Need of Revival for Computer and Digital Literacy: Challenges of Cybercrime and Cyber Security Resilience in Sri Lanka. Journal of Institute of Human Resource Advancement, University of Colombo, Volume 8, Issue 1 June 2021.

S. Chandrasena, (2021). Challenges and Panacea in Online Learning amidst COVID-19 Pandemic: Empirical Study of Higher Education Sector in Sri Lanka.

S. Chandrasena, (2022). Data preservation and risk management in Management Information Systems. South Florida Journal of Development, 3(1), 1459–1479.

Mr. K.P.D.S.L. Kodagoda

K.P.D.S.L. Kodagoda, (2021). The Impact of Social media On Student’s Academic Performance - A case of QRS University, International Journal Publications (IJRP), December 2021 Edition.

K.P.D.S.L. Kodagoda, (2021). Challenges Faced by Year One Undergraduates in Studying Graphic Design at the University - A Case of QRS University, International Journal of Innovative Science and Research Technology - Volume - 6 - 2021 - Issue 12 - December.

K.P.D.S.L. Kodagoda, (2021). The Challenges faced by the Conventional news media and the influence of the modern news media in the Sri Lankan Context, International Journal Publications (IJRP), December 2021 Edition.

K.P.D.S.L. Kodagoda, (2023). The Impact of Social media On Student’s Academic Performance - A case of QRS University.

K.P.D.S.L. Kodagoda, (2023). Research study on the demand for degrees in Bachelor of Science (BSc) Honours in Information Technology in Sri Lanka, 05th International Research Symposium on Social Sciences and Humanities (IRSSSH) 2023, National Centre for Advanced Studies.

Ms. P.T.N. Devindi

P.T.N. Devindi, (2020). A study on mobile phone preference of graduates of University of Kelaniya, Sri Lanka. Department of Statistics, University of Colombo, Sri Lanka.

Ms. M.I.H. Madurapperuma

M.I.H. Madurapperuma, (2022). State-of-art frameworks for Front-end and Back-end Web Development, 2nd International Conference on Science and Technology, Faculty of Technology, South Eastern University, Sri Lanka.

Ms. Sandamini Neththikumara

Neththikumara, S. (October 2025), “Recent Results of Machine Learning in Predicting Student Performance: A Systematic Literature Review”, Accepted for presentation IEEE Digital Education and MOOCS Conference - Boca Raton, Florida, USA.

Neththikumara, S. (October 2025), “Accelerating Innovation-Based Learning with Low-Cost Hardware for Full-Stack IoT Development”, Accepted for presentation IEEE Digital Education and MOOCS Conference - Boca Raton, Florida, USA.

Neththikumara, S. (August 2025), “Resource-Conscious Predictive Load Balancing (RCP LB) for Single Board Computers (SBC) using Support Vector Machines (SVM)”, accepted for presentation at SIPCOV 2025 - India.

Neththikumara, S. (2025), “Deep Learning-Based Detection of Cucumber Diseases in Sri Lankan Agriculture”, Accepted for icSoftComp2025.

Neththikumara, S. (2025), “Light-Weight Real-Time Anomaly Detection in Telecommunication Network Traffic for Edge Devices Using Machine Learning”, Accepted for icSoftComp2025.

Neththikumara, S. (2025), “A Federated Graph Neural Network Approach for Intrusion Detection in 5G Network”, Accepted for SLAAI-ICAI 2025.

Neththikumara, S. (2025), “Machine Learning Approaches for Analyzing and Predicting Concurrent Delays in Construction”, Preprint available: https://doi.org/10.21203/rs.3.rs-6125612/v1

Ms. G.A. Hansinee Jeewanthi Perera

G.A.H.J. Perera, (2024). An Analysis on Supply and Demand of Software Engineering Industry Labour Market of Sri Lanka. 6th International Research Symposium on Social Sciences & Humanities (IRSSSH) 2024, p. 59-64.

G.A.H.J. Perera, (2025). Buddhist Teaching in the Digital Age: Reaching the Younger Generation Through Social Media. Dharma Sastra Vimamsa, p. 467, Nagananda Interantional Institiute for Buddhist Studies.