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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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  • Observation of surface potential on evaporated mixed films of TPBi with CBP as function of the film thickness 
    Gunawardana, H. D. C. N.; Osada, K.; Koswattage, K. R.; Noguchi, Y. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Organic light emitting devices have been extensively investigated for many promising applications. Surface Potential (SP) is essential to characterize the fabrication process of Organic Light Emitting Diode (OLED). In the ...
  • Occurrence of dengue vectors in school premises in Gampaha District, Sri Lanka. 
    Radhika, N.M.L.; Gunathilaka, P.A.D.H.N.; Kasturiratne, A.; Abeyewickreme, W. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Aedes aegypti and Aedes albopictus are the vectors responsible for the transmission of dengue virus in Sri Lanka. During the past decade, Gampaha district has been ranked the second on the number of reported dengue cases. ...
  • Off-line signature verification system using artificial neural networks 
    Ambegoda, A. L. T. P.; Perera, B. B. U. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Handwritten signature recognition method is the most popular recognition method of a personal identity. But it is easy to misuse that the signature forgery has become a great threat to the accuracy of the documentary. In ...
  • Offline analysis of web logs to identify offensive web crawlers. 
    Algiriyage, N. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    With the continuous growth and rapid advancement of web based services, the traffic generated by web servers have drastically increased. Analyzing such data, which is normally known as click stream data, could reveal a lot ...
  • Okra leaf curl disease: an emerging threat to okra cultivation in Northern Sri Lanka 
    Jeyaseelan, E.C.; Sharmya, M.; Jeyaseelan, T.M.; Shaw, M.W. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Okra (Abelmoschus esculentus) is cultivated in tropical, subtropical, and warm temperate regions for its edible fruits. During the last few years okra cultivation in South Asia has been severely affected by okra yellow ...
  • On level two analogue of Arakawa-Kaneko zeta function and poly-cosecant numbers 
    Pallewatta, M. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    We study the level two generalization of Arakawa-Kaneko zeta function originally studied by T. Arakawa and M. Kaneko. We obtain certain new formulas for the level two analogue of Arakawa-Kaneko zeta function. Also, we study ...
  • On sum formulas for Mordell - Tornheim zeta values. 
    Pallewatta, M.; Kaneko, M. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The multiple zeta values are real numbers which are studied by many people in different fields. The multiple zeta values with depth 1 are the Riemann zeta values. The sum formulas are considered as one of the most famous ...
  • An online news crawling framework for an aggregated news site 
    Wagawaththa, W.A.I.K.; Wijayanayake, W.M.J.I. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    The internet has become one of the most widespread platforms for information exchange and retrieval as the number of news websites is increasing rapidly. During the last decade, most of the major newspapers have developed ...
  • Optimal parameter values for Respondent-Driven Sampling 
    Kularathna, N. J.; Ramanayake, K. P. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Respondent Driven Sampling (RDS) is a new link tracing sampling technique which is used to collect data from hard to reach or hidden populations such as sex workers, HIV infected people, homeless people, etc. In RDS, ...
  • Optimization and application of a gel polymer electrolyte in redox capacitors 
    Bandaranayake, C.M.; Weerasinghe, W.A.D.S.S.; Perera, K.S.; Vidanapathirana, K.P. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Energy production via renewable sources and saving it efficiently has become timely needed issues all around the globe. Supercapacitors have been identified as a class of suitable energy saving devices with respect to ...
  • Optimization approaches for inventory management in Blood Supply Chains: A systematic review of literature 
    Gunawardana, K. D. R.; Vidanagamachchi, K.; Nanayakkara, L. D. J. F. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Blood Supply Chain Management is highly critical, as ensuring the availability of the right blood type, at the right place, in the right quantity, at the right time is a matter of life and death. Unlike other products, ...
  • An optimization model to allocate most suitable team members for software development projects. 
    Dharmasena, T.; Wijayanayake, A. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Human resource is the most important resource that creates value for the software development projects with the correct identification of knowledge and skills that need to achieve the specified scope of any given project. ...
  • Optimization of a genomic DNA extraction technique for genetic diversity studies of selected orchid cvs. with ornamental values 
    Farook, F.; Attanayake, R.N.; Senanayake, S.P. (Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
    Orchidaceae is one of the largest and most diverse families of flowering plants and a major export ornamental crop. Cultivar development is the key for the success of ornamental flower industry and therefore, it is vital ...
  • Optimization of growth parameters of photoactive Cu2ZnSnS4. 
    Fernando, W. T. R. S.; 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)
    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 ...
  • Optimization of monoplex and multiplex PCR assays to detect meat species and adulteration of meat products in the Sri Lankan market 
    Kothalawala, S. D.; Karaliyadda, S.; Fernando, A. L.; Karaliyadda, M.; De Silva, V. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Meat identification testing, detecting intentional adulteration of meat and detecting meat contamination due to poor processing practices are essential to ensure good quality of meat products. Incidence of meat adulteration, ...
  • Optimizing the allocation of employees for training programmes. 
    Wickramarachchi, B.; Wijayanayake, A. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The Human Resource (HR) department of any organization plays a vital role in decision making. All HR managers commit for dedicated corporate trainings to ensure that their employees have a better understanding of their ...
  • Optimizing the conditions for the production of extracellular amylases under solid state fermentation using groundnut shell as the substrate 
    Kumarage, C. A.,; Weerasooriya, M. K. B. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Amylases are a group of hydrolase enzymes, which hydrolyse starch molecules into simple sugars. Amylase can be extracted from molds, which are capable of producing high amounts of amylase. Aspergillus niger is used more ...
  • Optimizing the process of airline fleet re-assignment to minimize the impact of disruptions 
    Fernando, P. A.; Nanayakkara, L. D. J. F.; Tharaka, V. K.; Niwunhella, D. H. H. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Aircraft assignments often deviate from the original schedule due to technical failures, operational requirements and other unforeseen circumstances which can be termed as disruptions. In such situations, it is necessary ...
  • Over-expression of the multicopy-associated filamentation (maf) gene of Caldimonas manganoxidans MS1 and determination of the biological effect of MAF proteins on the viability of bacterial cells 
    Weerakkody, L. R.; Withrana, C. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Multicopy-Associated Filamentation (MAF) proteins represent a large family of conserved proteins. MAF protein is a nucleic acid binding, intra-cellular protein. The exact biochemical activity and functional mechanism of ...
  • 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 ...

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