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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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  • Text mining approach on on-line guest reviews: A case study from hospitality industry. 
    Hewage, N. I.; Jayalal, S. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Social media and consumer-generated context on the Internet have become an integral part of the modern society with millions of users. With the increase of its popularity, tourism industry has shifted towards electronic ...
  • 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 ...
  • A theoretical study of variable stars 
    Wijethunga, A. T. M.; Perera, P. A. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    A variable star is, quite simply, a star that changes its brightness with a certain regularity. The Energy required for pulsation stars’ continuous operation is provided by a complex mechanism of transforming the thermal ...
  • Thermal desalination process - Design perspectives. 
    Jayatissa, N. W. K. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Urban areas, although better served than rural areas, are struggling to keep up with the population growth. Population increase on Earth, is directly related to the global food and energy demand. Expansion of the agricultural ...
  • Thin shell model for Majumdar Papapetrou spacetimes. 
    Dilini, N. I.; Wimaladharma, N. A. S. N. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Einstein – Maxwell field equations are nonlinear partial differential equations which are difficult to solve. Therefore different assumptions are needed to solve them. Also it is very hard to find properties of the matter ...
  • Time series modeling of red onion production in Jaffna, Sri Lanka 
    Mirojan, U.; Varathan, N.; Arumairajan, S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Onion is one of the most important commercial vegetable crops grown in Sri Lanka. Observing fluctuation of onion production is essential in the market economy. The level of the production and the fluctuation not only has ...
  • 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) ...
  • Towards a natural classification and backbone tree for Xylariaceae recognized from multigene phylogeny and taxonomy. 
    Daranagama, D. A. D. A.; Liu, X. Z.; Hyde, K. D. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The family Xylariaceae, comprising over 1300 species, is considered as one of the largest families of the Ascomycota. Members of Xylariaceae exhibit a wide distribution and they are cosmopolitan. The objective of this study ...
  • Toxic effects of 2,2’,3,5’,6 polychlorinated biphenyls (PCB-95) on startle response of Zebrafish larvae 
    Ransinghe, P.; Chapman, S.; Lee, C.M. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Epigenetic factors influence the early neurodevelopment of an organism with longlasting effects on brain function and behavior. But underlying mechanisms of these factors interactions are not fully elucidated. Polychlorinated ...
  • Tracking problem of 1D damped translational mechanical system for harmonic signals 
    Leelarathne, H. M. A. K.; Hansameenu, W. P. T. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    The translational mechanical systems play a major role in engineering systems such as automobile shock absorbing system, stock bridge damper, motion sensor etc. However, the damping influence of the translational mechanical ...
  • Transport optimization models for the downstream agricultural supply chain: A systematic review of literature 
    Kaldera, H. G. S. R.; Tharaka, V. K.; Wickramarachchi, A. P. R. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Agricultural supply chains play a major role in the Sri Lankan economy as the agricultural sector accounts for 7.6% of the total gross domestic product and 26.6% of the total employment. Sri Lankan consumers have to pay ...
  • Trophic ecology and resource partitioning of fish assemblages in brush-parks of Negombo estuary, Sri Lanka 
    Gammanpila, M.; Amarasinghe, U.S.; Wijeyaratne, M.J.S. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    three major brush park fishing areas (Munnakkaraya, Katunayake and Dungalpitiya) in Negombo estuary, Sri Lanka were investigated during April 2014 - April 2016 to classify diet composition, evaluate trophic guilds ...
  • Urban traffic simulation using agent-based modelling: A study in the Sri Lankan context 
    Amarasinghe, U.G.L.S.; Rajapakse, C. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Traffic congestion is a crucial issue affecting the quality of life of individuals all over the world. In a country like Sri Lanka where the traffic is mostly unorganised and mixed, traffic congestion occurs due to various ...
  • Usage of Strychnos potatorum seeds for the reduction of diazinon residues in water 
    Nawarathne, W. N. C. P.; Mathota-Arachchige, Y. L. N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    The need to fulfil the current food demand has led to the heavy usage of agrochemicals such as synthetic fertilizers, pesticides, and herbicides in agricultural sector. However, pesticide malpractices can cause severe ...
  • Use of a water-boost rocket for the exposure plate method 
    Chamikara, H.J.M.P. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    The atmosphere of the earth is divided in to layers as troposphere, stratosphere, mesosphere and thermosphere. Each of these layers contain different types of airborne microorganisms owing to their physical and chemical ...
  • Use of miR-33a in human plasma as a potential biomarker for severe Dengue infection 
    Hapugaswatta, H.; Seneviratne, K.N.; Jayathilaka, N. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    MicroRNAs (miRNAs) are small noncoding RNAs about 22 nucleotides long that can regulate the gene expression at mRNA level by RNA silencing. As such, differential expression of miRNA leading to regulation of gene expression ...
  • Use of natural curcumin extracted from turmeric in determination of boron in steel. 
    Walpita, W. K. D. L. K.; De Silva, R.C.L. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Boron containing alloy steels are used in constructional, automotive and many other applications. The presence of even trace amounts of boron affects greatly on the properties of steel such as hardness and machinability. ...
  • Using Fourier analysis of the resonance frequency in glassware to identify defects 
    Gunathilaka, G. W. M. R. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Quality control is a vital aspect in any industry. In glass manufacturing industry, manual inspections, using human vision is the most commonly and widely used quality inspection and verification methods. With increased ...
  • Utilization of protease activity of Carica papaya for the hydrolysis of fish waste. 
    Sathischandra, M.K.D.P.M.; Ranasinghe, R.H.A.A.; Jayasekera, L.R. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    This study was undertaken to investigate whether fish waste can be used as a source of nitrogen in agricultural purposes to fulfill plant nitrogen requirements. However, fish waste, being a rich source of proteins should ...
  • Validation of logbook catch records in offshore fishing vessels of Sri Lanka using VMS data. 
    Gunawardane, N.D.P.; De Croos, M. D. S. T.; Amarasinghe, U.S. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Accurate information on fishing position is a timely need in the offshore fisheries, especially for preventing illegal, unregulated and unreported (IUU) fishing. Vessel monitoring system (VMS) is recognized as one of the ...

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