IRSPAS 2018: Recent submissions

  • Application of Allium cepa bioassay to study the spatial variation of potential cytotoxicity in relation to water quality in the Dandugan Oya, Sri Lanka 
    Wadasinghe, L. G. Y. J. G.; Wijeyaratne, W. M. D. N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Water quality is an important indicator in measuring the health of aquatic ecosystems. Poor water quality can lead to ecological health impairment. Dandugan Oya is receiving industrial waste from multiple sources. In ...
  • Identifying and predicting of civil and educational factors associated with suicides in Sri Lanka 
    Lakmali, S. M. M.; Nawarathna, L. S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Nowadays, suicides are one of the main social problems experienced by Sri Lanka and almost 4,000 people die by suicide in Sri Lanka every year. It became a significant factor that engaged with education, social status, ...
  • 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, ...
  • 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 ...
  • A study on the significant factors for the sector of employment and the salary of science graduands in Sri Lanka 
    Madushika, H. W. T.; Sunethra, A. A.; Jayamanne, I. T. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    University education in Sri Lanka is free but extremely limited, competitive and standardized. Because of this competitiveness, it is of paramount importance that Sri Lankan state university graduands are able to secure a ...
  • Investigation of some water quality parameters in the ground water of East and Central regions of Valigamam Zone in Jaffna Peninsula 
    Navaranjan, S.; Prabagar, S.; Rajapaksha, H. G. N.; Prabagar, J. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Jaffna peninsula relies on ground water for their entire domestic and agricultural needs due to less rainfall and not any other fresh water resources. In recent years many complaints have been received indicating that ...
  • The factors affecting entrepreneurial intention of MBA students of University of Kelaniya: a qualitative study 
    Basnayake, D. C.; Abeysekera, R. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    The purpose of this study is to find out the factors affecting entrepreneurial intention of Kelaniya MBA students. The study was conducted using the case study method. Based on the purposive sampling technique, twelve ...
  • 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, ...
  • Analysis of selected, commercially available inorganic fertilizers and soil NPK content in Puhudivula; Medawachchiya 
    Sahlah, M. A. H. F.; De Silva, R. C. L. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    The increased prevalence of CKDu confined to specific geographical regions and among specific occupational groups of Sri Lanka has drawn the attention of scientific community in recent years. This study was conducted to ...
  • Chemical analysis of selected Ayurvedic drugs: Yashtikalkaya and Rajahpravartanivati 
    Madhushanthi, K. P.; Liyanage, J. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Ayurvedic medicines have been widely used in Sri Lanka for thousands of years. Although they are considered as beneficial and free of side effects, some toxicity is reported. Therefore, objective of this study was determination ...
  • Defluoridation of drinking water using physically and chemically modified chitosan 
    Pathirannehe, P. N. S.; Fernando, T. D.; Rajapakse, C. S. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Depending on the total intake, fluoride (F-) is known to have both beneficial and adverse effects on humans. As the occurrence of the Chronic Kidney Disease of unknown etiology (CKDu) is thought to be linked with excess ...
  • Major factors affecting the severity of motorcycle accidents in Sri Lanka 
    Senaviratna, N. A. M. R.; Cooray, T. M. J. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Ever increasing road accidents and traffic flow is a heavy burden to a developing country like Sri Lanka. Among road accidents, motorcycle accidents involved a high rate of accidents. In the year 2016, 10754 motorcycle ...
  • 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 ...
  • Improving the response time of an ultrasonic wind speed measuring system using a temperature measurement 
    Pieris, T. P. D.; Jayatissa, N. W. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Natural wind in the open air is a three-dimensional vector but vertical component of the wind is ignored in the most meteorological operations. Therefore, the surface wind is considered as a two-dimensional vector in this ...
  • A computational model to optimize vision correction via contact lens design 
    Karunarathna, S. P. D. S. S. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    A contact lens typically assumes different positions with respect to the pupil after each blink and saccade, and lens motion may cause a loss in visual acuity. An exact understanding of the loss of visual acuity is lacking ...
  • Certain sums of Mordell-Tornheim zeta values 
    Pallewatta, M. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    The multiple zeta values are real numbers studied by many people in different fields. The sum formulas are considered as one of the most famous relations among multiple zeta values. In our research, we study a slightly ...
  • 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 ...
  • Categorizing T20 batsmen based on their performances 
    Sumithrapala, D. M. S. S.; Mallawa Arachchi, D. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    T20 Cricket is the most popular shortest form of cricket which is played all over the world. It is obvious that some of the T20 batsmen are power hitters. Some of them are having higher averages and higher strike rates. ...
  • Electrodeposited homojunction Cu2O solar cell on FTO substrate 
    Kafi, F. S. B.; Jayathilaka, K. M. D. C.; Wijesundera, L. B. D. R. P.; Siripala, W. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Cuprous oxide (Cu2O), an abundant photoactive semiconducting material has optimum optoelectronic properties to develop efficient, inexpensive and eco-friendly solar cells. Even though, it is possible to fabricate Cu2O based ...
  • 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 ...

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