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International Research Symposium on Pure and Applied Sciences (IRSPAS): Recent submissions

Now showing items 301-320 of 612

Extraction, characterization and evaluation of Arabinoxylans from brans of BG 352, BW 367 and BG 300 rice varieties

Palihaderu, P. A. D. S.; Gunathilake, K. D. P. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Arabinoxylans (AXs), a major non starch polysaccharide in cereal by-products, have inspired considerable interest due to viscosity enhancement in solutions, water absorption, oil absorption, and the effect on the rheological ...
Development of Aloe barbadensis incorporated ice cream and evaluation of antioxidant and anti-inflammatory properties

Chathurangi, B. M. V.; Gunathilake, K. D. P. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Aloe barbadensis (Aloe Vera) is a perennial succulent plant and has been used for traditional medical purposes for thousands of years, because of its therapeutic properties. This research was carried out to determine ...
Iron fortification of four rice cultivars in Northern Province through parboiling process

Sivashankar, S.; Gunathilake, K. D. P. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Iron deficiency is a widespread micronutrient deficiency in humans. Use of iron supplementation tablets and iron fortified food is not common in developing countries. This study focus on parboiling as a cost-effective ...
Estimating carbon footprint: Case study of University of Kelaniya

Bandara, W. A. R. T. W.; Theekshana, I. K. P. R.; Tharaka, T.; Ketethenna, K. V. L. M. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

According to GHG protocol, in 2011 Sri Lanka emitted 45 million metric tons of carbon dioxide equivalent (MtCO2e). In order to identify the organizational impact on carbon dioxide emission leading to global warming, an ...
Changes in lung volumes and respiratory muscle strength in different phases of the rowing stroke in Sri Lankan rowers: a preliminary study

Perera, D.; Ariyasinghe, A. S.; Kariyawasam, A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Breathing is a muscular process brought on by a group of muscles that are capable of demanding as much as 16% of available oxygen during maximal exercise. The rowing stroke consisting of four major phases; catch, drive, ...
TiO2 nanoparticles from bakers’ yeast: a potent antimicrobial

Peiris, M. M. K.; Gunasekara, T. D. C. P.; Jayaweera, P. M.; Fernando, S. S. N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Titanium dioxide (TiO2) is commonly applied in food industry, cosmetics and pharmaceuticals due to its photocatalytic activity, stability, optical and electronic properties and biocidal activity. TiO2 nanoparticles (NPs) ...
Cyanobacterial and micro-green algal diversity in Wahawa, Mahaoya and Madunagala geothermal springs in Sri Lanka

Madushani, K. G. P.; Athukorala, A. D. S. N. P.; Gama-Arachchige, N. S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Geothermal springs have been recorded to exhibit a considerable diversity of cyanobacteria and microalgae. The cyanobacterial and microalgae diversity in Sri Lankan geothermal springs is understudied. The current study ...
Strain improvement to enhance phosphate solubilizing ability of bacteria by random mutagenesis

Gunasinghe, L. K. G.; Ratnatilleke, A. A. L. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Rock phosphate is a cheap source of phosphorous fertilizer. However, low solubility of rock phosphate makes it agronomically less effective. Combined application of rock phosphate with phosphate solubilizing bacteria (PSB) ...
Characterization of Tween 80® consisting Neem oil-based emulsion

Abeywardana, Y. N. L.; De Silva, H. H.V. K. N.; Sanjeewani, N. A.; Pathirana, R. N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

In pharmaceutical industry emulsions provide a liquid drug delivery medium in the form of min globules rather than in bulk form and permits easy drug administration to the human body. Neem oil is used in Ayurveda medicines ...
Evaluation of antibacterial potential of tea and different herbal plant extracts against Escherichia coli and Staphylococcus aureus

Hansanee, K. P. N.; Yapa, P. N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Escherichia coli is the most commonly found bacteria in the human intestinal tract. E. coli is non-pathogenic in normal conditions, but virulent strains such as Escherichia coli O157:H7 can cause gastroenteritis, urinary ...
Abundance and distribution pattern of Aedes aegypti and Aedes albopictus in selected urban, sub-urban and rural areas of Gampaha District, Sri Lanka

Dalpadado, C. P. R. D.; Amarasinghe, L. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

The abundance and distribution of Aedes aegypti and Aedes albopictus, vectors of dengue fever, were determined at six localities in Gampaha District, which is the district with the occurrence of second highest number of ...
A study on the relationship between age and incidence rate of thyroid cancer in Sri Lanka

Navaratna, W. C. W.; Fernando, K. A. S. N.; Angamman, U. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Thyroid cancer is reported as the most common endocrine cancer with a continuously increased incidence rate across the world with a few exceptions in countries like Sweden and Norway. Literature reveals different opinions ...
Indoor resting preference of Aedes (Stegomia; Culicidae) mosquitoes in urban human dwellings of Gampaha District, Sri Lanka

Dalpadado, C. P. R. D.; Amarasinghe, L. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

The current study was designed to identify the preferred resting height, place and surface of Dengue vectors, Aedes aegypti and Aedes albopictus, near human dwellings located in urban cites in Gampaha District, Sri Lanka ...
Morphological (osteological) convergence across surface-active and limb-attenuated lizards from three continents: Australia, Asia and Africa

Silva, S. D. G. T. M.; Daza, J. D.; Bauer, A. M. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Morphological convergence is a classic topic in evolutionary biology. Organisms from different clades that dwell in similar environments often have similar body shapes due to evolutionary convergence. One such morphological ...
Effect of fresh leaves and aqueous leaf extracts of five medicinal plant specieson survival, oviposition and adult emergence of Cowpea bruchid Callosobruchus maculatus (Fab.)

Jayasundara, S. M. J. C. K.; Ganehiarachchi, G. A. S. M. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

The Cowpea bruchid, Callosobruchus maculatus, (F.) is a major storage pest of cowpea (Vigna unguiculata L.) seeds in Sri Lanka. The present study was carried out to study the effect of fresh leaves and aqueous leaf extracts ...
Diversity of decaying wood associated fungi in Dimbulagala forest of Sri Lanka

Shashikala, M. M. P.; Deraniyagala, A.; Attanayake, R.N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Sri Lanka is one of the 34-biodiversity hotspots in the world bearing a tremendous diversity in flora and fauna. Therefore, it should hold true for fungal species diversity as well. In Sri Lanka, tropical wet evergreen ...
The effect of incorporation of natural chelators to the diet on the iron bioavailability through in vitro analysis

Liyanapathirana, N.; Ranaweera, K. K. D. S.; Gunathilake, K. D. P. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

There are many natural iron chelators found in food sources. The use of these natural chelators could increase the bio availability of iron and benefit conditions such as iron deficient anemia or decrease the bio availability ...
Textural profile analysis of granulated cassava pearls of two cultivars treated with conventional and microwave heating

Bulathgama, B. E. A. U.; Wickramasinghe, I.; Wijesekara, I.; Somendrika, M. A. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Cassava (Manihot esculenta Crantz) is an important food source in tropical countries, and it is a readily available root crop variety in Sri Lanka as well. Yet processed cassava (flour) is underutilized. The objective of ...
Investigation of handling, storage quality and traceability of dairy cattle concentrates used in Central Province, Sri Lanka

Wilamun, N. H. B.; Chinthaka, U. G. S.; Jayasinghe, M. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

This study was conducted to investigate traceability and the moisture levels with respect to the storage conditions of different dairy cattle concentrates used in selected dairy farms in Central Province, Sri Lanka. AOAC ...
Preliminary study on starch extraction ratio and nutritional composition of two cassava cultivars

Weerasinghe, R. K. L.; Wickramasinghe, I.; Somendrika, M. A. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Cassava (Manihot esculanta) is one of the most important food crop among tropical countries. Cassava has higher carbohydrate content and its tapioca starch and modified tapioca starch is highly used as an ingredient of ...

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