Science: Recent submissions

Now showing items 421-440 of 3802

Comparative study on the larvicidal effect of some ciliated protists on Culex gelidus, Culex tritaeniorhynchus, and Aedes aegypti in Sri Lanka

Wijesinghe, S.; Amarasinghe, D. (Parasitology Research, 2022)

Rice fields in Sri Lanka create suitable breeding places for vector mosquitoes. Such sites provide habitats for diversified naturally occurring microbiota. Ciliated protists, Zoothamnium sp., Chilodonella sp., and Vorticella ...
Adoption of Industry 4.0 and lean concepts in hospitals for healthcare operational performance improvement.

Ilangakoon, T. S.; Weerabahu, S. K.; Samaranayake, P.; Wickramarachchi, R. (International Journal of Productivity and Performance Management, 2021)

Purpose – This paper proposes the adoption of Industry 4.0 (I4) technologies and lean techniques for improving operational performance in the healthcare sector. Design/methodology/approach – The research adopted a ...
Effect of CdTe nucleation layer on the performance of CdS/CdTe thin film solar cells

Gajanayake, G.K.U.P.; Lakmal, A.A.I.; De Silva, D.S.M.; Dassanayake, B. S. (J Mater Sci, 2023)

In this study, an electrodeposited CdTe nucleation layer (ED-CdTe*) was introduced on a chemical bath deposited (CBD) CdS layer prior to close-spaced sublimation (CSS) of the CdTe absorber layer to improve the efficiency ...
Drivers Enabling Developing Countries to Enter High-Tech Production Networks through Global Production Sharing: Evidence from Malaysia, Taiwan, and Vietnam

Jayasinghe, S.; Johnson, L. W.; Udayanga, N.; Kumarapperuma, L.; Ranjitha, S. (Sustainability, 2023)

Since the 1960s, the world has witnessed the rise of several East Asian nations as economic powerhouses. One of the main contributing factors of their success is their decision to create policies that allowed them to enter ...
Android Source Code Vulnerability Detection: A Systematic Literature Review

Senanayake, J.; Kalutarage, H. K.; Al-Kadri, M. O.; Petrovski, A.; Piras, L. (ACM Computing Surveys, 2022)

The use of mobile devices is rising daily in this technological era. A continuous and increasing number of mobile applications are constantly offered on mobile marketplaces to fulfil the needs of smartphone users. Many ...
Impact of Workplace Burden Due to COVID-19 Pandemic on Employee Performance

Perera, L. D. L.; Wijayanayake, A. N.; Withanaarachchi, A. (Smart Computing and Systems Engineering, 2022, 2022)

The Sri Lankan apparel industry accounts for 7% of the country's GDP and employs 15% of its workforce. Frightening levels of the spread of Coronsvirus-19 (COVID-19) have captured the attention of the apparel industry ...
Selecting the best logistics service providers by evaluating the sustainability performance using AHP and linear programming problem

Prabodhika, A. P. K. J.; Wickramarachchi, A.; Niwunhella, D.; Wijayanayake, A. (International Journal of Business Performance and Supply Chain Modelling, 2022)

Many manufacturers and retailers often outsource their logistics functions to logistics service providers (LSPs) to focus more on their core business process. Due to the competitiveness and the popularity of the sustainability ...
Pectobacterium carotovorum Phage vB_PcaM_P7_Pc Is a New Member of the Genus Certrevirus

Naligama, K. N.; Halmillawewa, A. P. (Microbiology Spectrum, 2022)

Pectobacterium carotovorum is an economically important phytopathogen and has been identified as the major causative agent of bacterial soft rot in carrots. Control of this phytopathogen is vital to minimizing carrot ...
Facile, green approach for aqueous methylene blue dye adsorption: Coconut vinegar treated Trema orientalis wood biochar

Udawatta, M. M.; De Silva, R.; De Silva, D. (Environmental Engineering Research, 2022)

Biochar is widely utilized in low-cost water treatment. However, chemicals used in most of the recorded activation techniques are corrosive, may cause secondary pollution, and not accessible by rural communities, reducing ...
Groundwater Pollution Impact on Food Security

Irfeey, A. M. M.; Najim, M. M. M.; Alotaibi, B. A.; Traore, A. (Sustainability, 2023)

Global food security challenges have been burdened by a rapidly expanding population and its attendant food demands. Safer and higher-quality agriculture is one of the most essential solutions for addressing the growing ...
RNA N6-Methyladenosine (m6A) Methyltransferase-like 3 Facilitates Tumorigenesis and Cisplatin Resistance of Arecoline-Exposed Oral Carcinoma

Wang, C.; Kadigamuwa, C.; Wu, S.; Gao, Y.; Chen, W.; Gu, Y.; Wang, S.; Li, X. (Cells, 2022)

Background: Arecoline is known as the main active carcinogen found in areca nut extract that drives the pathological progression of oral squamous cell carcinoma (OSCC). Studies have revealed that dysregulation of RNA ...
Investigation and Comparison of Antioxidant Potential of Catechins Present in Green Tea: DFT Study

Wijesooriya, Sanduni S.; Pandithavidana, Dinesh R. (Chemistry Chemical Technology, 2022)

DFT calculations were applied to compare the antioxidant potential of four major catechins present in green tea. The thermodynamic parameters related to three key mechanisms of primary antioxidant action were investigated ...
Food packaging from recycled papers: chemical, physical, optical properties and heavy metal migration

Bandara, R.; Indunil, G. (Heliyon, 2022)

Paper recycling is a viable option for wastepaper management. This study assessed the suitability of recycled papers as a food packaging material. Permanence and durability of three different recycled papers; R1:150 GSM, ...
Equilibrium Isotherms, Kinetics, and Thermodynamic Mechanisms of a Novel Polyacrylamide-Strychnos potatorum Seed-Derived Activated Carbon Composite for Aqueous Hardness Removal

Mathota Arachchige, Y. L. N.; Fernando, T. D. (Journal of Chemistry, 2022)

Hardness in water is responsible for both residential and industrial problems. Moreover, drinking hard water is suspected as the main cause of chronic kidney disease of unknown etiology (CKDu) in Sri Lanka. The major ...
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. (Bulletin of Entomological Research, 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 ...
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. (International Journal of Tropical Insect Science, 2022)

Aedes aegypti is the primary dengue vector in Sri Lanka that causes the massive public health problem of Dengue Fever (DF) and Dengue Hemorrhagic Fever (DHF) on the island. It is an anthropophilic mosquito that shows ...
A study on consumer preference for instant food products and the development of a pumpkin- and canistel-based instant pudding powder mix

De Silva, W. S. A.; Pathiraje, P. M. H. D.; Peiris, T. U. S. (Faculty of Science, University of Kelaniya Sri Lanka, 2022)

Consumer preferences are changing from time to time. Therefore, this study was conducted among working and non-working women in the Ratnapura district to identify current consumer preferences for instant food products and ...
Development of a pomegranate based jelly

Senanayake, P. U. A.; Ranaweera, K. K. D. S. (Faculty of Science, University of Kelaniya Sri Lanka, 2022)

Jelly is a semi solid preserved mixture of fruit juice and sugar. Chemical and artificial ingredients were used for preparation of jelly products and it has a major health related concern. Hence, this study was aimed to ...
Nutritional information and healthiness of ready-to-eat/cooked packaged food products available for children in Sri Lanka and attitudes of parents living in Western province toward purchasing

Grero, K. M. U.; Pathiraje, P. M. H. D.; Herath, T. (Faculty of Science, University of Kelaniya Sri Lanka, 2022)

As a result of drastic changes in dietary habits and lifestyles, overweight and obesity among schoolchildren in Sri Lanka have more than doubled in the last decade. Research show that a substantial percentage of urban ...
Development of ash gourd (Benincasa hispida) and banana (Musaceae) pseudo-stem sauce

Thathsarani, M. L. P.; Jayawardena, J. A. E. C.; Edirisinghe, U. A. S. K. (Faculty of Science, University of Kelaniya Sri Lanka, 2022)

Ash gourd (Benincasa hispida), an underutilized fruit that has the potential to develop value-added products due to its high medicinal and nutritional value. In addition, banana central core, a biological waste of banana ...

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