Science: Recent submissions

Now showing items 241-260 of 3802

GIS based multicriteria analysis for flood hazard assessment: A case study from Walawe River basin, Sri Lanka

Gallage, C. V.; Wijesundera, A. A. S. G.; Kodithuwakku, K. C.; Wickramasingha, W. S. B.; Weerasinghe, V. P. A. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Flood hazard mapping has been recognized as a crucial task supporting disaster management efforts. For the study, the lower reach of the Walawe River, which drains the suburbs of the island's southern region, was selected ...
Impact of Wastewater Treatment Plant on the Quality of Water in the Canals Passing Through Kurunegala City

Samaraweera, S. A. P. T.; Najim, M. M. M. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Water scarcity is a growing concern worldwide, leading to the adoption of innovative treatment solutions. Urban stormwater drains collect runoff and wastewater released from many urban entities. Canals passing through ...
Investigation of gelatin and sodium alginate as gelling agents for emulsion gel polymerization of styrene under reduced temperature

Fernando, M. P. J.; Maddumaarachchi, M. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Throughout the years scientists have investigated different polymerization methods to reduce the required temperature of the polymerization. As a result, emulsion gel polymerization was discovered. This method got attention ...
A study of the correlation between local meteorology and atmospheric particulate matter in Kandy and Battaramulla in Sri Lanka

Batuwita, P. M.; Ranawaka, Arachchi R. A. W.; Santhiyago, P. U.; Jayasundara, J. J. M. A. D.; Naveendrakumar, G. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Air pollution due to particulate matter (PM) remains a significant environmental concern, especially in urban areas. This study examines the relationship between PM concentrations and meteorological parameters of two ...
Implementing an Automated Personal Name Authority File for Enhanced Information Retrieval in Sri Lankan Library Online Public Access Catalogues

Wanigasooriya, Priyanwada; De Silva, R. W. P. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

In the digital era, managing vast information collections while ensuring seamless access for patrons is a challenge faced by Sri Lankan libraries. A critical aspect that significantly affects information retrieval is the ...
Selecting suitable locations to establish a ground solar farm in Trincomalee District in Sri Lanka using GIS

Senadeera, T. S. M.; Bandara, W. M. J. Y.; Herath, H. M. A.; Ariyawansha, J. M. M. S.; Weerasinghe, V.P.A. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Renewable energy is energy derived from natural sources that are regenerated at a higher rate than consumed. One of the examples of the most effective renewable energy sources is solar energy, which is derived from the ...
An automated machine learning approach to detect Leishmania parasites: An alternative tool for Leishmaniasis disease diagnosis

Amarathunge, J. A.Y.S.; Gunathilaka, N.; Sudusinghe, H.; Nilaweera, T. H. W. T. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Leishmaniasis is a neglected tropical disease caused by a protozoan parasite that poses a significant threat to human life on a global scale. Leishmaniasis is endemic in 99 countries with more than 12 million people infected. ...
Development of robust superhydrophobic plastic sheets using diatomaceous earth

Jayaweera, D. H. T. S.; Maddumaarachchi, M.; Egodage, S. M. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Superhydrophobicity is the ability of a surface to repel water droplets. Surfaces that exhibit a static water contact angle (WCA) exceeding 150° and a sliding angle less than 10° can be defined as superhydrophobic surfaces. ...
Avocado seed and skin - based dyes for treatment of linen fabrics

Ranawaka, E. H. K.; Samarawickrama, K.G.R.; Medagedara, M.H.; Herath, C.N. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

This research paper investigates the feasibility and sustainability of using avocado waste as a natural dye for cellulose-based fabrics, specifically focusing on linen materials. Avocado seeds and skins were utilized to ...
Deep learning driven mobile robot to detect and classify tomato leaf diseases

Gajendrasinghe, G. M. S. C.; Abeysiri, K. M. S. D.; Rathnayake, I. M. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Tomato (Solanum lycopersicum L.) is a nutritious fruit widely grown as a vegetable in Sri Lanka, with various varieties including HORDI tomato hybrid 03, Thilina, etc. Plant diseases affecting tomato crops result in reduced ...
An attempt to establish a cutoff value for peripheral blood hematopoietic progenitor cell count to predict the viable CD34 count in multiple myeloma patients undergoing autologous peripheral blood stem cell transplantation

Hewapathirana, T. D.; Perera, T. C.; Tudugala, R.; Suresh, S.; Kottahachchi, D. U. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Multiple myeloma (MM) is a common hematological malignancy characterized by the proliferation of abnormal plasma cells in the bone marrow, leading to immune dysfunction and bone damage. Autologous peripheral blood stem ...
Undergraduates’ perception on Collaborative learning; A case study based on Faculty of Health-Care Sciences, Eastern university, Sri Lanka

Janane, N.; Sihnas, M. A. F (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Currently, higher education is moving towards student-centered learning from teacher-centered learning, to enhance the active involvement of the students in the teaching-learning process. As a student-centered learning ...
Visible light sensitized antibacterial paint using copper doped TiO2 nanoparticles

Rajapaksha, R. A. A. C.; Jayaweera, E. N.; Perera, H. C. S.; Nanayakkara, B. S. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Bacteria can survive on surfaces increasing the possibility of transmission of diseases. Places such as food-processing facilities, restrooms, and hospitals have a high risk and require some additional protection against ...
Reexamining the causal relationship between government expenditure and national income in four South Asian countries

Kavindra, W. A. H.; Habaragoda, B. S. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

This study reexamines the causal relationship between government expenditure and national income to verify whether Wagner’s Law holds in the context of four South Asian countries. According to Wagner’s Law, an increase in ...
Chemical and microbiological investigation on radiolytic degradation of antibiotic Amoxicillin in water

Madhushani, B. G. H.; Lamabadusuriya, M. R.; Pathirana, C. D. R.; Ratnayake, A. K.; De Silva, K. R. C.; Ranasinghe, R. D. R. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

The occurrence of antibiotics in wastewater effluents and their release into natural waters have significantly contributed to the development of antimicrobial resistance, posing an ultimate threat to human health. Resolving ...
Antimicrobial and Antifungal Activities of Silver Nanoparticles Biosynthesized by Pothos scandens and Kaempferia galanga Aqueous Extracts

Samadhi, K. G. A.; Kalansuriya, P.; Wijerathna, W. M. D. G. B.; Wasana, K. G. P. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

In order to alleviate the clinical challenges associated with antibiotic use, there is an immediate need for innovative solutions. Utilizing nanotechnology-based antimicrobials represents a promising approach to enhance ...
In silico ADMET analysis of compounds identified in the genus Impatiens in oral administration

Jayaweera, W. P. B. R. T.; Sooriyawansha, A. M. S. C.; Weerakoon, W. M. T. D. N.; Abeykoon, A. M. D. M. B. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

New drug discovery and development avenues have opened up due to the rapid advancement of computational methodologies and technologies. Impatiens is a genus of flowering plants in the family Balsaminaceae that has a long ...
Evaluation of the risk model for Covid-19 using Geographical Information Systems

Fonseka, H. P. U.; Marasinghe, B. S.; Rila, A. R. Mohamed (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Globally, the COVID-19 pandemic poses a threat to human life and has far-reaching consequences for socioeconomic systems. Governments worldwide are implementing various strategies to restore normalcy while effectively ...
Photocatalytic activity of Cobalt-doped Fe2TiO5 nanoparticles from natural Ilmenite using acid leaching steps under visible light

Thambiliyagodage, C.; Liyanage, M. R. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

This research project was primarily carried out to observe the photocatalytic decolourisations of Cobalt-doped Fe2TiO5 nanoparticles in wastewater contaminated with dyes. The possibility of using commonly accessible Ilmenite ...
The occurrence of extreme hydrological events in Colombo district and their impacts

Rathnayake, B. N.; Premarathna, A. D. A. P.; Hewawasam, H.G.T.D.; Magisa, T.; Sewwandi, B. G. N. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

Extreme hydrological events in the Colombo district of Sri Lanka were assessed using the Standardized Precipitation Index (SPI) and the Rainfall Anomaly Index (RAI) and possible adaptation measures to reduce the impacts ...

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