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Browsing IRSPAS 2019 by Title

Browsing IRSPAS 2019 by Title

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  • 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 ...
  • 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, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Preliminary study for determination of plot-scale storm runoff at Yagirala Forest Reserves; a secondary lowland tropical wet evergreen forest 
    Chandrathilake, G. G. T.; Rathnayke, R. M. S. N.; Tanaka, N. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Surface runoff is an important element in the hydrological processes. Storm runoff is produced when the rainfall intensity exceeds the infiltration rate. The occurrence and quantity of surface runoff is dependent on the ...
  • Preliminary survey on avifaunal diversity at Bellanwila-Attidiya Sanctuary, Sri Lanka 
    Dissnayake, D. M. D. S. M.; Jayasinghe, V.; Gunawardena, M. P. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Sri Lanka shelters a rich avifaunal diversity and the Bellanwila – Attidiya sanctuary (BAS) is of much importance as a habitat for birds. The diurnal avifaunal diversity was studied along the Nedimala canal of the Weras ...
  • Preliminary survey on avifaunal diversity in an urban ecosystem: Malabe,Sri Lanka 
    Dissanakayake, D. M. D. S. M.; Gunawardena, M. P.; Hathurusinghe, D. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Permanent changes caused due to urbanization have resulted in wide-ranging impacts on the avifauna. Altered environmental conditions such as air pollution, artificial light, garbage pollution, different predation pressures ...
  • Preparation, characterization and properties of activated carbon derived from rice husk 
    Perera, P. L. R. A.; Rajapakse, C. S. K. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Rice, the staple food of the Sri Lankans is one of the important crops occupying 34% of the total cultivated area in the country. Thus, rice processing generates a large quantity of rice husk as waste material. The main ...
  • Procurement optimization with Industry 4.0 in ERP based Sri Lankan apparel industry: a systematic review of literature 
    Chandrasekara, H. A. S. Y.; Vidanagamachchi, K.; Wickramarachchi, A. P. R. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Apparel industry is the Sri Lanka’s largest export industry and the highest net foreign exchange earner since 1992. It Provides wide range of clothing solutions for renowned international brands. Therefore, satisfying both ...
  • Production and quality evaluation of watermelon (Citrullus lanatus) jam using pectin extracted from lemon (Citrus limon L.) peels 
    Dhushane, S.; Mahendran, T. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    One of the major challenges facing the food industry throughout the world, is the full utilization of the waste material. Huge amount of solid fruit waste cause environmental health hazards, which is on the increase. During ...
  • Production of certain extracellular enzymes by some bacteria and amplification of cellulase gene from Bacillus species 
    Jayasinghe, J. A. S. M.; Medhavi, P. I. H. R.; Magana-Arachchi, D. N.; Wanigatunge, R. P.; Herath, H. M. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Bacteria have received attention, due to their ability to produce extracellular enzymes beneficial in various industries. In the present study, extracellular enzyme production by two thermophilic bacteria (Meiothermus ...
  • Production of microbial lipase under solid-state fermentation and its application in the detergent industry 
    Chandrasiri, I. W. C. P.; Weerasooriya, M.K.B. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka. p.6, 2019)
    Lipases are the enzymes of choice for laundry detergent industries owing to their triglyceride removing ability from soiled fabrics, which eventually reduces the usage of phosphate-based chemical cleansers in the detergent ...
  • Quantification of Microplastics contamination at Bundala National Park,Sri Lanka 
    Dharmadasa, W.L.S.S.; Andrady, A. L.; Pradeep Kumara, P.B.T.; Gangabadage, C.S. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Microplastics (MPs) is an omnipresent contaminant in almost all environments of the world including oceans. Currently its negative consequences on ecology, economy, human health and food security have become a hot topic ...

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