Science: Recent submissions

Now showing items 101-120 of 3802

The Variation of Oviposition Preference and Host Susceptibility of the Oriental Fruit Fly (Bactrocera dorsalis Hendel) (Diptera: Tephritidae) on Commercial Mango Varieties

Wijekoon, Chandana Dammika; Ganehiarachchi, Mangala; Wegiriya, Hemantha; Vidanage, Shamen (2024)

The oriental fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae), is a serious fruit pest in South Asia; however, studies of their oviposition behavior on different host fruits in Sri Lanka are insufficient. ...
Distribution of Phlebotomus argentipes Annandale & Brunetti, 1908 in the Anuradhapura district, North Central Sri Lanka

Nayakarathna, NMNG; Gunathilaka, RAKM; Ganehiarachchi, GASM (Wolters Kluwer, 2023)

Background & objectives: Phlebotomus argentipes Annandale & Brunetti, 1908 (Diptera: Psychodidae) is the main vector responsible for the transmission of Leishmania donovani (Laveran & Mesnil, 1903) Ross, 1903 in the ...
Effect of oviposition-site deprivation on reproductive performance and life history parameters of dengue vector Aedes aegypti†

Gunathilaka, RAKM; Ganehiarachchi, GASM (National Science Foundation of Sri Lanka, 2023)

Dengue and dengue haemorrhagic fever constitute one of the most significant arthropod-borne viral diseases that occur in tropical and subtropical regions in the world. Annually 390 million new dengue cases are being reported ...
Effect of ABO and Rh blood groups on host preference, oviposition success, and development of laboratory‑reared Aedes aegypti

Galhena, G. K. D. N.; Ganehiarachchi, G. A. S. M.; Gunathilaka, R. A. K. M.; Jayatunga, D. P. W. (African Association of Insect Scientists, 2023)

(DF) and Dengue Hemorrhagic Fever (DHF) on the island. It is an anthropophilic mosquito that shows preferential feeding depending on the host blood type. Hence, the study was conducted to investigate the effects of human ...
Effect of delayed mating on reproductive performance and life-history parameters of dengue vector Aedes aegypti

Gunathilaka, R. A. K. M.; Jayatunga, D. P. W.; Ganehiarachchi, G. A. S. M. (Cambridge University Press, 2022)

Dengue is a fast-spreading mosquito-borne viral disease in the world. The primary vector of the disease is Aedes aegypti of the family Culicidae. It is a container breeder. Since a vaccine or a drug has not been developed ...
Use of a cost-effective artificial feeding system to evaluate the effect of blood meal source and its role in feeding success, reproductive parameters and larval growth of laboratory-reared Aedes Aegypti (L.)

Ashani, MLS; Gunathilaka, RAKM; Ganehiarachchi, GASM (International Journal of Mosquito Research, 2022)

Five different blood sources, human, cattle, rabbit, sheep and dog were delivered to laboratory-reared Aedes Aegypti to determine the effect of blood meal source on reproductive performance and larval growth characteristics ...
Recommendations to Increase the Customer Interaction of E-commerce Applications with Web Usage Mining

Rajapaksha, Pamuditha; Asanka, Dinesh (Institute of Electrical and Electronics Engineers (IEEE), 2023)

Web mining uses data mining methods to extract knowledge from web applications. It is used in e-commerce to track client browsing behavior. The issue with e-commerce is that we only know about our customers once they place ...
Identifying Unusual Human Movements Using Multi-Agent and Time-Series Outlier Detection Techniques

Asanka, PPG Dinesh; Rajapakshe, Chathura; Takahashi, Masakazu (Institute of Electrical and Electronics Engineers (IEEE), 2023)

This research paper has introduced knowledgedriven multi-agent technology for automated machine learning in time series analysis in the context of human mobility. The main objective of this research is to identify unusual ...
A Methodological Approach for the Quality Assurance of Virtual Platforms Delivering Short-Term Online IT Courses.

Munasinghe, Buddhi.A.; Gamage, M.P.A.W.; Asanka, P.P.G.Dinesh (Institute of Electrical and Electronics Engineers (IEEE), 2023)

The world is shifting towards the higher utilization of renewable energy sources in the road to greener energy which conserves an environmentally friendly atmosphere. The generation of sustainable energy via adopting solar ...
Forecasting of Medium-Term Energy Output of On-Grid Rooftop Photovoltaic Arrays -Case Study for a Sri Lankan Solar Panel InstallerSenanayake, Janaka

Wickramasinghe, Bhagya; Asanka, PPG Dinesh (Institute of Electrical and Electronics Engineers (IEEE), 2023)

The world is shifting towards the higher utilization of renewable energy sources in the road to greener energy which conserves an environmentally friendly atmosphere. The generation of sustainable energy via adopting solar ...
Labelled Vulnerability Dataset on Android Source Code (LVDAndro) to Develop AI-Based Code Vulnerability Detection Models

Senanayake, Janaka; Kalutarage, Harsha; Al-Kadri, Mhd Omar; Piras, Luca; Petrovski, Andrei (2023)

Ensuring the security of Android applications is a vital and intricate aspect requiring careful consideration during development. Unfortunately, many apps are published without sufficient security measures, possibly due ...
Efficiency boost of inverted polymer solar cells using electrodeposited n-type Cu2O electrons selective transport layers (ESTLs)

Wanninayake, WTMAPK; Namawardana, DGKK; Wanigasekara, RMG; Jayathilaka, KMDC; Wijesundera, RP; Siripala, W; Malik, MI (National Science Foundation of Sri Lanka, 2023)

Polymer solar cells (PSCs) have attracted tremendous interest as suitable candidates for harnessing solarenergy in the recent years. The inherent optoelectronic properties of the inorganic transition metal oxide, negative ...
Phylloremediation of pyrene and anthracene by endophytic fungi inhabiting tea leaves (Camellia sinensis (L.) Kuntze) in Sri Lanka

Undugoda, Lanka; Thambugala, Kasun; Kannangara, Sagarika; Munasinghe, Jayantha; Premarathna, Nadeeka; Dharmasiri, Nadeema (Tylor & Francis, 2023)

Polyaromatic hydrocarbons (PAHs) released from vehicular emissions and oil refineries deposit on the phyllosphere, compromising the quality of leaf-based food products by posing many health issues. Nevertheless, the tea ...
Advancing tourism demand forecasting in Sri Lanka: evaluating the performance of machine learning models and the impact of social media data integration

Hewapathirana, Isuru Udayangani (Emerald Publishing Limited, 2023)

Purpose – This study explores the pioneering approach of utilising machine learning (ML) models and integrating social media data for predicting tourist arrivals in Sri Lanka. Design/methodology/approach – Two sets of ...
Population size and factors affecting the distribution of Pelecanus philippensis (Pelecaniformes: Pelicanidae) in Colombo district, the Western province of Sri Lanka

Weerasinghe, Ayoma Senanee; Epa, Udaya Priyantha Kankanamge (TCRP Foundation, 2023)

Spot-billed Pelican (Pelecanus philippensis) is a near-threatened bird found only in South and Southeast Asia. Colombo, the commercial capital of Sri Lanka, holds a naturalized population of P. philippensis released from ...
Detection of Zn2+ ions using a high-affinity low-molecular-weight fluorescence probe in two freshwater organisms

Shrestha, Ashok K.; Samarakoon, Thilomi; Fujino, Takeshi; Hagimori, Masayori (Korean Society of Environmental Risk Assessment and Health Science, 2023)

Objective The objective of this study was to determine the uptake and distribution of zinc ions (Zn2+) in two freshwater organisms, Moina macrocopa and Rheocricotopus larvae using a high-affinity low-molecular-weight ...
Propagation and management of ornamental and commercial cacti– a review

Senanayaka, S.G.M.S.D.; Senanayake, Gayathri; Ratnayakea, R.M.C.S. (2023)

Cacti are one of the most diverse and widespread plants globally. They are useful in numerous ways, including food, medicine, and ornamental plants. This review aimed to synthesise current and potential uses of cacti, ...
Sustainable Approaches forWastewater Treatment: An Analysis of Sludge-Based Materials for Heavy Metal Removal from Wastewater by Adsorption

Rajakaruna, R. M. A. S. Dhananjana; Sewwandi, B. G. N.; Najim, Mohamed M. M.; Baig, Mirza Barjees; Alotaibi, Bader Alhafi; Traore, Abou (2023)

A comprehensive study incorporating results from different findings related to heavy metal removals from wastewater using sludge as an absorbent will assist researchers and practitioners in planning wastewater treatment ...
Individual and combined effects of humic acid on life-history characteristics of the water flea Moina macrocopa upon whole-lifespan cadmium exposure

Samarakoon, Thilomi; Fujino, Takeshi (Springer Nature Switzerland AG, 2023)

Investigation of the effects of natural compounds in aquatic ecosystems on the modula- tion of toxicity of coexisting xenobiotics is impor- tant for realistic ecological risk assessments. We investigated the individual and ...
Customer Satisfaction Analysis Based on Delivery Logistics Factors in Sri Lankan E-Commerce

Damruwan, M.V. Thathsara; Jayasinghe, Shan; Wijayanayaka, W. M. J. I. (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2023)

The rapid growth of e-commerce in Sri Lanka has resulted in an increase in the number of e- customers and e-retailers. To sustain this growth, e-commerce players must differentiate their offerings and operations to meet ...

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