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Now showing items 1-20 of 28

Evaluation of new Mini STR markers for DNA based human identification: An in silico approach

Goonawardhana, N.D.S.; Udagama, P.V.; Fernandopulle, N.D.; Illeperuma, R.J. (2012)

Analysis of Short Tandem Repeat (STR) markers on the human genome is an important tool in the identification of individuals based on their genetic makeup. DNA extracted from materials of biological evidence is subjected ...
Screening of Efficient Phosphate Solubilizing Microorganisms from Rhizosphere of Some Export Agricultural Crops

Kumari, P.D.S.U.; Nanayakkara, C.M. (2012)

Nutrient deficiency, chemical fertilizer application and soil deterioration is a well-known cyclic occurrence associated with agriculture in which successive cycles lead to more and more deterioration of soil. With the ...
Performance of neural network model in estimating daily maximum and minimum temperature in Jaffna

Thevakaran, A.; Sonnadara, D.U.J. (2012)

Serially complete climate data are required as input for climate dependent models such as crop and insect development, soil erosion and evapotranspiration (DeGaetano et al 1995). One of the main problems of using series ...
A study of Science and Technology doctoral degree holders in Sri Lanka and their contributory patterns

Weerasooriya, W.A.D.L.C.; Wickremasinghe, S.I.; Wickremasinghe, W.N. (2012)

With the global trend in moving towards a knowledge-based society, the educational qualifications and trained skills of personnel become important since there is a strong link among postgraduate education, research and ...
A study of prognostic factors for Breast Cancer

Peiris, T.D.R; Sooriyarachchi, M.R. (2012)

Cancer is a group of diseases. It occurs when cells become abnormal and divided without control or order. It affects persons all over the world. Breast cancer (malignant breast neoplasm) is cancer originating from breast ...
Assessment of heavy metals in black tea produced in different agroecological regions of Sri Lanka

Damayanthi, A.D.M.; Amarakoon, A.M.T.; Mahanama, K.R.R. (2012)
Angiopteris evecta (Forst.) Hoffm: a potential source for antibacterial activity

Nilanthi, S.M.L.D.; Wijayarathna, C.D.; Hettiarachchi, G.H.C.M. (2012)

The continuous increase in resistance to pathogenic microbes and shortage of new antimicrobial agents are a serious problem in the treatment of infectious diseases. Several studies have been done to reveal the antimicrobial ...
Acetyl and butyryl-cholinesterase inhibitory activity of bran extracts of some Sri Lankan traditional red rice (Oryza sativa L.)

Abeysekera, W.K.S.M.; Premakumara, G.A.S.; Choudhary, M.I.; Ratnasooriya, W.D.; Chandrasekharan, N.V.; Dalvandi, K. (2012)
An investigation of the factors affecting the rental value of houses in Colombo district

Somarathna, U.; Abeygunawardana, R. (2012)

Colombo is the capital and the commercial district of Sri Lanka where most of the offices, popular local and international schools, and factories are located. Therefore it has the highest population density and a significant ...
Weligama Coconut Leaf Wilt Disease (WCLWD) causing phytoplasma

Kanatiwela, C.; Amarasekara, S.; Wijesekara, R.; Udagama, P. (2012)

Coconut is one of the most important plantation crops in Sri Lanka, providing livelihood for nearly 0.5 million people (Ministry of plantation industries, 2008). Sri Lanka has earned about $ 120 million of export revenue ...
Potential of Sri Lankan black tea (Camellia sinensis L.) in dissolution of human kidney stones in vitro

Abeywickrama, K.R.W.; Ratnasooriya, W.D.; Amarakoon, A.M.T. (2012)
Fluorescent Sensor Based on 2-Cyano-1,10-phenanthroline for Fe2+ ion Analysis in Acetonitrile

Nilam, S.I.M.; De Costa, M.D.P. (2012)

Fluorescent sensors for the detection and measurement of Fe2+ will be actively investigated in this paper, as this metal ion is a significant environmental pollutant and essentials element in biological systems. For most ...
Onset and Retreat of Rainy Season in the Dry Zone

Sonnadara, D.U.J. (2012)

Sri Lanka is an island in the Indian Ocean, located off the southern coast of India. The climate of Sri Lanka is considered to be warm and tropical. The mean daily temperature ranges from about 16 °C in the central ...
Analysis of benzoic acid and sorbic acid in some selected food items available in Sri Lanka

Kathriarahchi, U.L.; Senevirathne, D.; Mahanama, K.R.R. (2012)

Food preservation is the process of treating and handling food to stop or slow down spoilage and thus allows for longer storage to prevent food borne diseases (Zeuthen and Sorensen 2000). Nowadays this preservation is ...
The Application of the Fama and French Factor Model for the Sri Lankan Stock Market

Randeniya, R.; Wijerathna, J.K. (2012)

The explanation of the movement of stock returns is a complex task and has been the subject of research with the objective of identifying potential investment opportunities. A single-factor model, where the stock returns ...
Substrate effect on photocurrent enhancement of electrodeposited n-type Cu2O thin films

Jayathilaka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J. K. D. S. (2012)

Cuprous oxide (Cu2O) is a metal-oxide semiconductor with a band gap of about 2 eV, which has attracted interest because of its potential applications in solar energy conversion, catalysis and gas sensors. Such applications ...
Development of Short Range Hazard prediction model for toxic air pollutants

Weerasinghe, S.; Kumara, M.M.M.S. (2012)

Computer simulations of passive gas dispersion can be used to predict the dispersal of a toxic air pollutant in to the atmosphere. These predictions play a significant role in the disaster management and in rescue ...
Free amino acid profiles of Caryota urens L. (Kithul palm) sap, treacle and jaggery

Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. (2012)

The sap of Caryota urens commonly referred to as Kithul palm is very rich in simple sugars and therefore used to manufacture treacle and jaggery that are used as substitutes for sugar and sweeteners (Thevendirarajah et ...
Evaluation of the Strengths and Weaknesses in Teaching Physics through Competency-based Approach

Kahandawa, K.K.C.; Coorey, R.V. (2012)

Traditional teaching methods such as the lecture method have been used in the school education, up to G.C.E. (A/L) classes in Sri Lanka for a long time. In 2007, the National Institute of Education in Sri Lanka introduced ...
Modeling Daily Rainfall using Markov Chains

Sonnadara, D.U.J. (2012)

A number of authors have used Markov chains to model the daily occurrence of rainfall. After the work of Gabriel and Neumann (Gabriel and Neumann,1962) who applied the Markov chain model successfully to describe Tel Aviv ...

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