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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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  • A Performance Analysis of a Filling Station using ARENA Simulation: A Case Study 
    Dilanthi, M. G. S.; Balasooriya, B. M. A. M.; Nimnadi, T. C.; Upekha, T. D. K.; Chathurangani, J. H. D. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    The service industry in Sri Lanka is facing the challenge of improving its performance. Thus analyzing its contemporary status is compulsory. This study focused on a petrol filling station in Sri Lanka. The selected system ...
  • Periodic time series modeling for temperature data in Nuwara Eliya 
    Wijayawardhana, H. N. A. M.; Hewaarachchi, A. P. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Many climatological time series display interesting properties such as trend, seasonality and autocorrelation. In addition to the autocorrelation, some time series display periodic autocorrelation, which is not readily ...
  • Phase programmed nanofabrication: Effect of organophosphite reactivity on the evolution of nickel phosphide nanocrystals. 
    Andaraarachchi, H. P.; Vela, J. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    A critical aspect of the synthesis and application of nanostructured materials is to precisely control their phase, composition, and consequently, properties. Traditional methods call for fine tuning and optimization of ...
  • Photocatalytic degradation of microcystin-LR using nanostructured rutile and coir fibre 
    Idroos, F. S.; Kottegoda, N.; Manage, P. M. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Microcystins (MCs) are secondary metabolites of cyanobacteria, which tend to persist in the aquatic environment. Among 70 recorded analogues of MCs, Microcystin-LR (MC-LR) is the dominant and the most toxic cogener. ...
  • Photoelectrolysis of water using electrodeposited Cu2O electrodes. 
    Silva, A. G. T. D.; Jayathilaka, K. M. D. C.; Wijesundera, R. P.; Siripala, W. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    At present, fossil fuels are the main energy contributor of the world’s energy needs but gradually depletion of fossil fuels is heading towards an energy crisis. Therefore it is very important for us to find out a renewable ...
  • Photosynthesis: Synthesis of what? 
    Gunawardane, M.M. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    The term photosynthesis is often used to mean the entire chain of biochemical reactions, which is initiated by light and concluded by the synthesis of carbohydrates. This series of reactions has two clearly distinct ...
  • Phylogenetic re-assessment of the genus Curvularia 
    Ferdinandez, R. S. K. H. S.; Udayanga, D.; Manamgoda, D.S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    The fungal genus Curvularia (Dothideomycetes, Pleosporales) consists of important pathogens, which cause devastating diseases globally on plants and human beings. Recently, the generic limit was re-defined and as a ...
  • Phylogenetic relationships of selected commercial Dendrobium hybrids in Sri Lanka 
    Kahagalla, T. H.; Herath, H. M.; Attanayake, R. N.; Senanayake, S. P. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Nuclear rDNA-ITS regions and chloroplast matK genes are useful in delineating plant species. In this study, genetic relatedness of eight commercial Dendrobium hybrids (A-H) with a range of attractive flower colours was ...
  • Phytoremediation of diazinon residues by Schoenoplectus grossus plant 
    Rashmika, R. W. H. C.; MathotaArachchige, Y. L. N. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Diazinon is a common non-systematic organophosphorus insecticide used by present cultivators to protect crops like rice, fruit trees and potatoes. But, over exposure to diazinon mainly affects the inhibition of ...
  • Plagiarism detection educational tool: A student’s assessments similarity checker 
    Jayakody, J.R.K.C. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Plagiarism is very common among students in higher education institutes due to many reasons such as lack of knowledge about the subject, poor academic writing skills or difficulty in meeting a given deadline. The most ...
  • Plankton diversity in Bomburuella reservoir, Nuwara-Eliya: A preliminary survey 
    Hettige, N. D.; Weerasekara, K. A. W. S.; Chandrasiri, E. G. D. N.; Jayawardene, J. M. C. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Bomburuella is a perennial reservoir located in the Nuwara-Eliya district. This reservoir is mainly used for fisheries, agriculture and drinking purposes. Although, a number of studies have been carried out to assess the ...
  • Plant pathology in plant biosecurity. 
    Herath, A. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Detecting and preventing entry of exotic pests at the border is critical for protecting incursions of new plant diseases. Countries which are geographically isolated from any significant landmass (Ex: New Zealand) have ...
  • Plasmonic effects of gold nanoparticles on the performance of organic photovoltaic devices 
    Wanninayake, A. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Extracting energy from sun light is one of the most promising ways to solve today’s energy crisis. Direct conversion of sun energy to electrical energy using nanostructured organic/inorganic hybrid structures has attracted ...
  • Pleurostomophora richardsiae associated with decaying woods in a dry zone forest of Sri Lanka 
    Bandara, R.H.; Deraniyagala, S.R.A.S.; Attanayake, R.N. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Wood decay is a biological process by which cellulose and lignin are converted into carbon dioxide and water. This process is important for forest sustainability since it uses cellulose and lignin, the two most abundant ...
  • Polarizability of a metallic nano-cylinder: Local random-phase approximation (LRPA). 
    Asela, A.U.; Hewageegana, P.S. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    We develop a method to calculate the polarizability of a nano-cylinder by taking temporal and spatial dispersion in to account where dispersion due to the Landau damping. To describe these phenomena, we developed analytical ...
  • Possibility of applying Industry 4.0 as a business process re-engineering tool: Case study from an apparel production plant 
    Jayatilake, H.S.B.; Withanaarachchi, A.S.; Peter, S. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    The industrial revolution began with the mechanization of the textile industry, followed by the age of mass production and subsequently manufacturing going digital. The world is now gradually moving to the fourth industrial ...
  • Potential antibacterial activity of selected marine algae against foodborne bacteria 
    Herath, H. M. B. M. M. D.; Yapa, P. N.; Sandaruwan, M. K. K. D. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Bacterial foodborne diseases are becoming a growing public health concern worldwide, increasing the demand of antibiotics. Considering the safety of using natural antimicrobials, the objective of the present study was to ...
  • Potential of using leaf extract of Annona glabra as a novel, green source for the synthesis of silver nanoparticles 
    Paragodaarachchi, Y. L.; Wickramarachchi, P. A. S. R. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    This study aims at investigating the potential of using the leaf extract of Annona glabra for the green synthesis of silver nanoparticles (AgNPs) and optimization of process parameters to obtain nanoparticles with narrow ...
  • Predator-prey model with fuzzy initial conditions 
    Ravindran, U. M.; Perera, B. B. U. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Predator-prey model, an initial value problem which is found in real life describes the relationship between predators and preys in an ecosystem, consisting of two nonlinear, autonomous differential equations. As it is an ...
  • Predicting box office success of movies using sentiment analysis and opinion mining 
    Basnayake, H.; Jayalal, S. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Movies and social media come together as a result of people sharing their opinions on social media and movie makers using the same platforms for movie promotions. From movie makers to movie goers, many parties are ...

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