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Recent submissions

RISTCON 2022: Recent submissions

Now showing items 21-40 of 128

A discrete dynamical model to make decisions during alcohol consumption

Sewwandi, M.D.S.; Shanthidevi, K.C.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Consumption of alcohol not only damages one’s health, but also is the source of many socio-economic issues. In the worst-case scenario, it could even lead to unfortunate occurrences such as traffic collisions, domestic ...
Non-Newtonian blood flow in an artery vessel under non-ionizing magnetic fields in chemotherapy

Tharindi, G.P.S.; Karunathilaka, N.G.A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

The treatment processes of breast and other different non-skin cancers involve combinations of surgery, chemotherapy, and ionizing radiation. Radiation or surgery targets a specific area of the body. However, chemo can ...
The use of constructivism in teaching mathematics in secondary classes by prospective teachers

Gunasekara, W.K.K.H.S.; Amarasinghe, A.K.; Madawala, H.M.S.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

In teacher development programmes conducted by the National Colleges of Education (NCoEs) in Sri Lanka, the commonly used teaching-learning theory is the constructivist approach. The NCoE curriculum has been prepared to ...
Forecasting daily Platts price of auto diesel using time series and neural network approaches

Madhubhashitha, W.K.R.; Appuhamy, P.A.D.A.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Predicting price fluctuations of petroleum products are challenging as it is irregular, non-linear and complex. However, accurate predictions are vital to minimize the economic loss. The objective of this research work is ...
Examining the level of secondary level mathematics teachers’ pedagogical content knowledge in algebra

Rupasinghe, D.D.; Amarasinghe, A.K.; Vitharana, P.R.K.A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Teachers' knowledge is considered to be a factor influencing student learning outcomes. Pedagogical Content Knowledge (PCK) is defined as the manner in which a teacher's content knowledge on a subject and pedagogical ...
An investigation into the porosity and permeability properties of fabric materials using nanotechnology and fractal geometry

Jayamini, K.G.C.; Yapage, N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Nowadays, nanotechnology is used in the apparel industry for manufacturing fabrics with enhanced physical properties, for example, with a higher level of comfort and antiviral characteristics than traditional approaches. ...
Sri Lankan speech therapists during COVID-19

Dilshani, R.M.; De Silva, M.D.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

COVID-19 pandemic has interrupted the speech and language therapy services in Sri Lanka. With the rapid spread of the virus, the responsibilities of the speech and language therapists’ (SLTs) included to reduce the risk ...
Toxicity assessment of a novel polyherbal mixture of 28-day repeated dose

Amarasiri, A.M.S.S.; Attanayake, A.P.; Jayatilaka, K.A.P.W.; Mudduwa, L.K.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Herbal medicines are often consumed as polyherbal mixtures by people seeking conventional healthcare in the management of kidney diseases. The present study was designed to evaluate the potential toxic effects of a novel ...
Dietary carbohydrate and fat intake are associated with increased percentage of glycated hemoglobin in patients with newly diagnosed type 2 diabetes mellitus

Wasana, K.G.P.; Attanayake, A.P.; Weerarathna, T.P.; Jayatilaka, K.A.P.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Diet is one of the main factors in triggering glycemic parameters of patients with type 2 diabetes mellitus (T2DM). Present study aimed to determine the association between dietary intake and glycated hemoglobin (HbA1C) ...
A laboratory-based pilot study on anticancer property of Alpinia calcarata (“Araththa”) and Solanum surattense (“Ela Batu”) in immunosuppressed mice, rats and human cell lines

Kithmini, K.K.A.; Chandana, E.P.S.; De Silva, P.M.C.S.; Hettiihewa, M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Present study was undertaken to validate anti-cancer property of Alpinia calcarata and Solanum surattense in immunosuppressed mice, rats and human cell lines. Rat xenograft model of HeLa cells (human) was established. Rats ...
Quality evaluation of different brands of Atorvastatin tablets available in Sri Lanka

Thanusika, N.; Kaushalya, G.S.H.; Alwis, K.P.B.; Thuvaragan, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Atorvastatin is one of the mostly used statins in treating atherosclerosis. The substandard quality of generic medicines affects their therapeutic efficacy resulting in treatment failure. There are several generics of ...
Identification of medicinal plants with their potential pharmacological action in Kaithady, Jaffna, Sri Lanka

Karunya, S.; Sivagajendran, S.; Sathiyaseelan, V.; Nithiakumar, N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Siddha Medicine is one of the most ancient medical systems of Sri Lanka. According to Siddha system of medicine, the geographical lands are divided into five divisions known as ‘nilam’. They are mountain range – ‘kurinchi’, ...
Evaluation of photo protective and antioxidant property of Azadirachta indica leaf extract

Jayashan, T.W.K.S.S.; Wijesekara, K.; Dissanayake, A.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Chronic exposure to ultraviolet radiation is the major cause of photoaging and photo carcinogenesis. Azadirachta indica (Neem) is a plant known for its versatility in therapeutic applications due to its rich phytochemical ...
Antibacterial activity of extracts of roots and seeds essential oil of Sri Lankan endemic plant, Vateria copallifera

Athukorala, D.A.D.O.D.; Sivasinthujah, S.; Gnanakarunyan, T.J.; Srikaran, R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Vateria copallifera is one of the endemic plants in Sri Lanka. Essential oil and bark of this plant are used as wound washing medicament, as well as for treatments of haemorrhoids, bile related disorders, diarrhoea, rheumatic ...
Variation of freshwater fish diversity in Podi wewa and Maunawa wewa in the Kurunegala district in Sri Lanka

Wanasinghe, W.M.Y.D.; Piratheepa, S.; Niranjan, K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Anthropogenic activities may impact ichthyofauna in freshwater bodies, and therefore, baseline information on fish diversity is needed to monitor the trends in abundance. The present study was undertaken to identify and ...
Evidences of two male morphs of Abscondita promelaena (Walker) (Lampyridae

Wijekoon, W.M.C.D.; Wegiriya, H.C.E. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

The pale-yellow firefly, Abscondita promelaena was originally described from Sri Lanka. Two male morphs (M1 & M2) of Abs. promelaena have been recorded from Uva Province, Sri Lanka in 2011. There were no previous records ...
Analysis of global mineral market price for selected earth materials

Sampath, J.K.H.; Subasinghe, H.C.S.; Ratnayake, A.S.; Abeysundara, S.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Earth materials play a vital role in day-to-day life as well as in the global economy. These earth materials are mainly used in industrial applications from ancient times. Ilmenite, rutile, and zircon can be categorized ...
Diversity of the macrobenthic assemblage in the Mundal Lagoon, Sri Lanka

Hettige, N.D.; Jayawardane, J.K.P.C.; Weerasekara, K.A.W.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

There is a dearth of published information on the diversity of macrobenthic assemblages in lagoons. Therefore, we examined the diversity and composition of macrobenthos in the Mundel Lagoon in the northwestern province in ...
Investigation of possible adulterations in coconut oil sold in the local market

Perera, K.C.D.; Yapa, Y.M.A L.W.; Walpita, J.K.; Karunaratna, A.C. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Adulteration of coconut oil, the most commonly used edible oil in Sri Lanka, is a serious issue, which has a severe impact on the health condition of the consumers. However, very few scientific studies have been conducted ...
Chemical contamination in widely consumed grains available in local market

Ekanayake, E.M.H.T.; Wijekoon, K.K.D.M.P.; Kalutharage, N.; Wadumethrige, S.H. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

Pesticide overuse and misuse may result in contamination of numerous food commodities with chemical residues leading to bioaccumulation through food chains and building up to exceeded levels of toxins inside the body and ...

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