Browsing RISTCON 2021 by Title

Browsing RISTCON 2021 by Title

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  • The need for more research on mangroves in Sri Lanka 
    Abeysinghe, N.K.; Kodikara, K.A.S.; Hemamali, K.K.G.U.; Hettiarachchi, S.; Jayatissa, L.P (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Mangroves, the tidal forests serve numerous ecological services and economic benefits for the well-being of the coastal communities. Hence, they are known as resourceful ecosystems and can be used effectively for new ...
  • A novel cryptographic scheme on a variation of hill cipher 
    Ranasinghe, P. G. R. S.; Wijesekara, W. M. P. R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Cryptography has always been an active and engaging area of research. It is the science of keeping information secure by transforming into a form that unintended recipients cannot comprehend. In the world of today, making ...
  • A Novel Cryptosystem using continued fractions 
    Chathurangi, H. M. M.; Ranasinghe, P. G. R. S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    The need for secure communication is something that is of paramount importance. Cryptography is the practice and study of techniques for secure communication in the presence of adversaries. Over the years, many researchers ...
  • Nutritional properties of two formulated diets using fisheries by-products 
    Premawansha, K. K. K.; Sæther, B. S.; De Silva, M. P. K. S. K.; Gunawickrama, K. B. S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Aqua feed industry focuses on using less expensive ingredients with comparable nutritional value to replace fish meal due to its high cost as well as restricted supply of fish meal. Fisheries discards, namely, fish offal ...
  • On some properties of the regular multinomial model and algebraic multinomial model associated with biochemical reaction networks 
    Yapage, N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    It is well known that the multinomial model is a generalization of the binomial model in probability theory and some classes of biochemical reaction networks (BCRNs) have multinomial stationary distributions. We use the ...
  • Optimization of a Standard Molecular Protocol for Amplification of CtsK Gene Responsible for the Disease Pycnodysostosis 
    Madubashetha, Hasanka; Cooray, Ruwini; Wickramasinghe, P.D.S.U.; Kandambi, Gauri; Moulana, F.; Mubeena., T.; De Silva, Nimali (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Incidence of bone fragility and related fractures due to genetic disorders indicate a high prevalence in Asia. Pycnodysostosis (PKND) is an autosomal recessive disorder caused by mutations in CtsK gene encoding for Cathepsin ...
  • Perceptions of Beche-de-mer market actors on Sri Lanka standard specification (2018) 
    Tharani, K.; De Croos, M. D. S. T. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Beche-de-mer (processed sea cucumber) is produced primarily at small-scale processing plants. To get high competitive price at the export market, Sri Lanka Standard Institute has recently developed beche-de-mer processing ...
  • Phosphate solubilizing and PAH-degrading bacterial isolates associated with Kadol Kele mangrove 
    Naligama, N. K. N.; Halmillawewa, A. P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Microorganisms that inhabit mangrove ecosystems have very characteristic functions as mangrove ecosystems bear harsh environmental settings. Thus, they can perform important functions, such as solubilization of phosphate ...
  • The photovoltaic performance of CdS quantum dots sensitized solar cell using Ag/TiO2 photoanode 
    Sandamali, W.I.; Senadeera, G.K.R.; Dissanayake, M.A.K.L.; Jaseetharan, T.; Perera, V.P.S.; Rajendra, J.C.N.; Karthikeyan, N.; Wijenayaka, L.A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Quantum dot sensitized solar cells (QDSSCs) with titanium dioxide (TiO2) photoanode are attracting considerable attention among the third-generation photovoltaics due to their low cost and simple fabrication techniques ...
  • Phylogeographic relationships and evaluation of proximate composition of golden trevally, Gnathanodon speciosus (Forsskål, 1775) in Sri Lanka 
    Rupasinghe, M. A. M.; Munasinghe, D. H. N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Golden trevally, Gnathanodon speciosus which belongs to the family Carangidae is an important commodity of food and ornamental fish industries. This fish is widely distributed throughout the tropical and subtropical waters ...
  • Physicochemical and functional properties of flours obtained from Dioscorea alata L. and Dioscorea esculenta (Lour.) Burkill yams available in Sri Lanka 
    Chiranthika, N. N. G.; Gunathilake, K. D. P. P.; Chandrasekara, A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Yams are considered as starchy based staple food crops. The objective of this study was to evaluate physicochemical and functional properties of Dioscorea alata (Kahata-ala) and Dioscorea esculenta (Java-ala) flours which ...
  • Phytochemical screening, Proximate composition and antioxidant properties of Rhinacanthus nasutus (Heen Aniththa) 
    Jayasekara, H.D.; Fernando, P.T.N.; Bulugahapitiya, V. P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Rhinacanthus nasutus (Heen Aniththa) is a native plant to Sri Lanka found in the dry zone. R. nasutus has been used in Sri Lankan traditional medicine, especially for treating skin diseases. Almost all the parts of the ...
  • Polyaromatic hydrocarbons (PAHs) degradation ability of Pseudomonas stutzeri isolated from phyllosphere of urbanareas in Sri Lanka 
    Dharmasiri, R. B. N.; Nilmini, A. H. L.; Undugoda, L. J. S.; Nugara, N. N. R. N.; Udayanga, D.; Pathmalal, M. M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Polyaromatic hydrocarbons (PAHs) are persistent pollutants which are toxic to all living beings. Biodegradation of PAHs is an efficient way to remediate numerous pollutants. The discharge of such air pollutants gets settled ...
  • Positional variation of oils extracted from the stem of Ceylon Cinnamon (Cinnamomum zeylanicum Blume) 
    Wijeweera, A. A.; Hewage, J. W.; Wadumethrige, S. H.; Hettiarachchi, S. R.; Jayasinghe, G. G. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Differences in the content and the chemical constituents of the bark oil extracted from different parts of the stem from the bottom to the top of Ceylon Cinnamon (CinnamomumzeylanicumBlume) were studied. Cinnamon plants ...
  • Potassium solubilizing Serratia species for growth promotion in tomato 
    Jayasinghe, J. A. S. G.; Athukorala, A. D. S. N. P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    As the third essential plant macronutrient, potassium plays crucial roles in plant growth, metabolism and development. The most common soil components of potassium, 90–98%, are feldspar and mica which are plant unavailable ...
  • Preliminary investigation of culture filtrates ofMucuna pruriens endophytic fungi for the presence of L-dopa 
    Yalini, S.; Liyanaarachchie, L. C. P. T. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Mucuna pruriens (Fabaceae), is a major source of the natural drug L-3,4-dihydroxyphenylalanine (L-Dopa). This plant has become scarce due to urbanization and overexploitation thus seeking alternative sources for natural ...
  • Preliminary study of antioxidant action of Sri Lankan curry powder 
    Amarasekara, E.A.P.T.; Kadigamuwa, C. C. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Adequate levels of antioxidants are needed for optimal body functions and its dietary supplementation is recommended. The ingredients of Sri Lankan curry powder have shown to possess antioxidant activity. However, studies ...
  • A preliminary study on age-based formant analysis of Sinhala vowels 
    Alwis, P. H. A. S.; Bodhika, J. A. P.; Ranatunga, E. M.; Jayasekara, L. A. L. W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    The human voice signal helps to identify some details about the individuals using a formant structure. Formants are resonance frequencies generated according to the human vocal tract length. The uniqueness of the vocal ...
  • The preliminary study on effect of music on the shoot development of chilli plant 
    Hemamali, K.K.G.U.; Rathnayake, R.R.M.U.N.B.; Karunarathne, D.S.; Rathnayake, G.U.K.; Amarasingha, N.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Music promotes or restricts the growth of plants (depending on the type of music). Present study was conducted to investigate the effect of music on the germination and growth of chilli plants (Capsicum annuum L). To avoid ...
  • Price, availability, and affordability of cardiovascular medicines 
    Jayarathne, M.L.N.P.; Gunawardena, S.; Prasadi, G.A.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
    Approximately 75% of global deaths from cardiovascular diseases occur in low and middle-income countries due to less access to essential cardiovascular medicines. Access to medicines is hindered by poor availability and ...

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