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Browsing International Research Symposium on Pure and Applied Sciences (IRSPAS) by Title

Browsing International Research Symposium on Pure and Applied Sciences (IRSPAS) by Title

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  • Gape size of wild guppy (Poecilia reticulata): Does it matter in mosquito larval control? 
    Nayakarathna, N.M.N.G.; Weerakoon, S.N.; Ganehiarachchi, G.A.S.M. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Larvivorous fish is very important tool in controlling disease transmitting vector mosquitoes in many parts of the world. However, there is a lacuna of knowledge about the vector control potency in relation to the gape ...
  • General hygienic condition of packaged lettuce samples purchased from selected supermarkets in Gampaha district, Sri Lanka 
    Lokuwalpola, D. V.; Wanigasekara, D. N.; Sudesh, A. D. H.; Karunarathne, E. D. C. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Lettuce (Lactuca sativa) is usually consumed in raw form or processed minimally. Therefore, consumption of contaminated raw lettuce is associated with food outbreaks due to poor hygienic condition. Lettuce leaves can be ...
  • Generalizability of Music Emotion Classifiers: An Evaluation of the Applicability of miremotion in Emotion Classification of Sri Lankan Folk Melodies 
    Charles, J.; Lekamge, S. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Music conveys and evokes powerful emotions, owing to various musical characteristics such as rhythm, melody, and orchestration. This amazing ability has motivated the researchers worldwide to discover relationships between ...
  • Generic assumption vs. actual stem carbon content in three selected street tree species in urban setting of Colombo, Sri Lanka 
    Kulangana, T.; Bandara, W. A. R. T. W. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Current interest on removal of anthropogenic CO2 emissions from urban areas through plants, arises with the potential of trees in urban environments to sequester atmospheric carbon and offset the increasing CO2 concentrations ...
  • A geo-spatial analysis of dengue patients and rainfall in Sri Lanka -2017 
    Pathiraja, K.; Premadasa, S.; Gnanasinghe, S.; Wadasinghe, L. G. Y. J. G.; Weerasinghe, V. P. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Dengue is one of the most prevalent arthropod borne virus affecting human. There are four serotypes that manifest with similar symptoms and two main vectors identified in Sri Lanka named as Aedes aegypti and Aedes albopictus. ...
  • GIS as a tool to find the suitable place for construction of water tanks in Karuwalabadda, Puttalam District, Sri Lanka 
    Vaigunthan, T.; Lansakara, L. M. A. P.; Weerasinghe, V. P. A. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    The United Nations has long been addressing the global water crisis caused by insufficient water supply to satisfy basic human needs and growing demands on the world's water resources to meet human, commercial and agricultural ...
  • Graphite oxide / TiO2 advanced hybrid material using Sri Lankan graphite: Synthesis and characterization. 
    Premaratne, W. A. P. J.; Fernando, K. D. G. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Sri Lanka has deposits of vein graphite consisting of a high crystallinity and high purity (> 99 % of carbon). Graphite being a lamellar structure that is both electrically and thermally highly conductive, allows it to be ...
  • Green vehicle routing problem: A systematic review of literature 
    Waidyathilaka, E.; Tharaka, V. K.; Wickramarachchi, R. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Among the key supply chain functions, logistics plays a prominent role in delivering products and services to the customers. The process accounts for a larger portion of the supply chain cost. Hence, it has forced organizations ...
  • Growth enhancement of Dracaena fragrans ‘Massangeana’ using Trichoderma species. 
    Kannangara, S. D. P. S.; Dissanayake, D. M. S. K.; Senanayake, R. A. S. P. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Dracaena fragrans ‘massangeana’ is an ornamental monocot which belongs to the family Asparagaceae, having characteristic shiny green leaves with a yellow streak running down along the center. Although, foliage plant ...
  • Growth of CuZnS thin films by sequential electrodeposition and sulphurisation 
    Fernando, W.T.R.S.; Jayathilekea, K.M.D.C.; Wijesundera, R.P.; Siripala, W. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Copper Zinc Sulphide (CuZnS) is a promising new absorber material for solar cell applications. Indeed, this material is very attractive for low cost device applications due to abundance and low cost of the staring ...
  • Growth of photoactive Cu2ZnSnS4 by single step electrodeposition 
    Fernando, W. T. R. S.; Jayathileka, K. M. D. C.; Wijesundera, R. P.; Siripala, W. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Cu2ZnSnS4 (CZTS) is a promising candidate for application in low-cost and environmentally-friendly thin film solar cells due to its optoelectronics properties. It is a perfect absorber material for photovoltaic applications ...
  • Growth performance of Basella alba (Spinach) exposed to liquid fertilizer prepared using invasive alien species; Clidemia hirta and Chromolaena odorata 
    Senevirathna, M. A. T. M.; Ratnayake, R. M. C. S. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Inorganic fertilizers are popular in supplying plant nutrients, but their excessive use adversely affect human health and ecosystems. The present study was aimed to study the effect of organic liquid fertilizer prepared ...
  • A haptic feeding GPS navigation solution for the visually impaired. 
    Rajatheja, M. K. B. C.; Wijayasiriwardhane, T. K. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    According to a fact sheet published by the World Health Organization (WHO) in 2014, it is estimated that 285 million people are visually impaired worldwide and out of which 39 million of people are blind. Further, about ...
  • Hardware architecture for superoxide production in CKDu initiation 
    Upamalika, S. W. A. M.; Vidanagamachchi, S. M.; Wannige, C. T. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Simulation of molecular mechanisms of a disease is important in drug discovery and treatments of the disease. There are many difficulties in performing extensive biological experiments to investigate of a disease with ...
  • Harmonizing water allocation for multiple uses in irrigation reservoirs of the Kala Oya river basin, Sri Lanka 
    Wimalasena, S.S.; Kularatne, M.G.; Jayasinghe-Mudalige, U.K.; Amarasinghe, U.S. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    The primary use of many lowland reservoirs in Sri Lanka is to supply of water for irrigation, and inland fishery has become a secondary use. In the present study, four irrigation reservoirs in the Kala Oya river basin, ...
  • Heavy metal analysis of selected fruits and vegetables grown in CKDu prevalent Medawachchiya area in Sri Lanka 
    Hiruni, H. K.; Weerasooriya, M. K. B. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    In Sri Lanka, CKDu has become a major health issue over the past two decades. The disease is proved to be endemic. The number of environmental risk factors has been recognized globally as other probable causes of CKDu, ...
  • Heavy metal levels in Chanos chanos (Milk fish) from Negombo estuary, Sri Lanka and human health risk assessment associated with their consumption 
    Bandara, P. R. C. S.; Pathiratne, A. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Contamination of fish with toxic heavy metals can counteract the nutritional and health benefits of fish food on human health. Objectives of this study were to determine selected heavy metals levels viz. Aluminum (Al), ...
  • Heavy rainfall event over Sri Lanka: An assessment with WRF model 
    Koralegedara, S.B.; Lin, Chuan-Yao; Sheng, Yang-Fan (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    This study used a series of mesoscale cloud-resolving simulations with Weather Research and Forecasting (WRF) Model to reproduce the heavy rainfall and persistent flooding event over Sri Lanka during 14th - 20th May 2016. ...
  • Host Plant Preference of Genera Dendrobium and Bulbophyllum (Family: Orchidaceae) in Sri Lanka. 
    Sandamali, P. M. H.; Senanayake, S. P.; Benjamin, S. P.; Rajapakse, S.; Athukorala, N. P. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Orchids are a well-known plant family for their restricted distribution in the wild. Most epiphytic orchids are hosted by specific trees and hence it’s abundance may be influenced by the availability of suitable host trees ...
  • HPLC analysis of organic acid production by bacterial strains for rock phosphate solubilization. 
    Mendis, H. K. G. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Fertilizers are widely used to increase crop production and meet the global food demand. Phosphorous is one of the key nutrients in fertilizers that assists plant growth and improve crop yield. Eppawala rock phosphate (ERP) ...

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