Faculty of Science: Recent submissions

Now showing items 501-520 of 656

What & when?: Distributing Content in Opportunistic Networks

Kathiravelu, T.; Pears, A. (Wireless and Mobile Communications,, 2006)

Tomorrow's mobile data exchanges will often occur using intermittent connectivity and the design and development of mobility models, applications, protocols and infrastructures are an essential part of future research in ...
Reconstructing Monthly Temperature Time Series in Jaffna: A Neural Network Approach

Thevakaran, A.; Sonnadara, D.U.J. (JUICE- 2012 University of Jaffna, 2012-07-20)

The meteorological station in Jaffna 800292238′𝐸,94192238′𝑁 which is the main meteorology station to maintain weather records for the northern peninsula experienced difficulties in collecting data during the period from ...
Preservation of Fungi by using Mineral Oil and Silica gel in Laboratories for Teaching Purposes

Ravimannan, N.; Sevvel, P.; Mangayatkarasi, P. (JUICE- 2012 University of Jaffna, 2012-07-20)

The preservation and maintenance of stock cultures are required for microbiological pathological biotechnological and research studies. The laboratories in Universities maintain a series of stock cultures for teaching ...
Modelling a Probability Distribution for Extreme Rainfall Events in Colombo, Sri Lanka

Mayooran, T.; Laheetharan, A. (JUICE- 2012 University of Jaffna, 2012-07-20)

Modelling of extreme rainfall events is the fundamental part of flood hazard estimation. Establishing a probability distribution to represent the precipitation depth at various durations has long been a topic of interest ...
Study of Saccharomyces cerevisiae IQ motifs of Iqg1p and its interaction with Mlc1p

Mathuranthini, S.; Ravimannan, N.; Sevvel, P. (JUICE- 2012 University of Jaffna, 2012-07-20)

IQGAP related proteins are found in a number of organisms including human and yeast. Iqg1p is a cytoskeletal scaffolding protein found in Saccharomyces cerevisiae. It has critical role in cell division and disruption of ...
Improving the Performance of Titanium Dioxide / Polymer Solar Cell by Introducing Monolayers at the Interface

Loheeswaran, S.; Amalraj, P.A.; Balashangar, K.; Ravirajan, P. (JUICE- 2012 University of Jaffna, 2012-07-20)

Solar cell comprising conjugated polymer with porous metal oxides that could serve as electron transporter is the theme of several recent researches because of the desirable properties possessed by the metal oxide such as ...
Antifungal Bioassay and Preliminary Phytochemical Analysis of Extracts of Curcuma longa

Kayalvili, V.; Jeyadevan, J.P.; Thavaranjit, A.C.; Manoranjan, T. (JUICE- 2012 University of Jaffna, 2012-07-20)

The therapeutic value of Curcuma longa commonly known as turmeric has been recognized in different systems of traditional medicine for the treatment of diseases and human ailments. It belongs to the family zingiberaceae ...
Identification of Two Groups with the Rapid Decay Property

Kannan, K (JUICE- 2012 University of Jaffna, 2012-07-20)

Rapid decay property (property (RD)) for groups, generalizes Haagerup’s inequality for free groups and so for example of free groups have property RD. Property RD provides estimates for the operator norm of those functions ...
Bioactivity of some Macro Algae Present in the Coastal Areas of Northern Sri Lanka

Jeyaseelan, E.C.; Kothai, S.; Kavitha, R.; Thavaranjit, A.C. (JUICE- 2012 University of Jaffna, 2012-07-20)

Northern coastal area of Sri Lanka is a unique marine habitat with huge variety of algae. The present study was aimed to explore bioactive potential of some macro algae present in this region. The brown algae, Sargassum ...
Factors Associated with Type-2 Diabetes Mellitus in Jaffna Peninsula

Iynkaran, S.; Satkunanathan, N. (JUICE- 2012 University of Jaffna, 2012-07-20)

Advancement of life entailed some negatives that threatened the very lives of the people, prone to some dangerous diseases and among them diabetes is becoming more serious and alarming in the world and Sri Lanka too has ...
Statistical Modelling for Injuries among the Soccer Players in Jaffna

Gobinaath, S; Arivalzahan, S. (JUICE- 2012 University of Jaffna, 2012-07-20)

Many studies have reported the frequency and types of injuries in soccer players. However, a few have assessed the relationship of playing position, climate, psychological effects and infra structure facilities with injury. ...
Seasonal Distribution and Bionomics of Sandflies (Diptera: Psychodidae: Phlebotominae), Vectors for Leishmaniasis, in Jaffna, Sri Lanka

Gajapathy, K.; Jude, P.J.; Surendran, S.N. (JUICE- 2012 University of Jaffna, 2012-07-20)

Leishmaniasis is a major public health concern in Sri Lanka. More than 2000 cases of cutaneous leishmaniasis (CL) have been reported from the island since 2000. The most fatal visceral leishmaniasis (VL) is also emerging ...
Preliminary Assessment of the Status of Commercially Prepared Salted and Sun Dried Fish Scomberoides Commersonianus (Lacepede, 1802)

Vivekshan Reval, S.; Sivashanthini, K.; Thavaranjit, A.C. (JUICE- 2012 University of Jaffna, 2012-07-20)

The present research work was carried out to evaluate the status of commercially prepared salted and sun dried fish, Scomberoides commersonianus from the most popular dried fish preparation site Velanai in Jaffna district ...
Implementation Schemes for Two-stage Gauss Method

Vigneswaran, R.; Khokulan, M. (JUICE- 2012 University of Jaffna, 2012-07-20)

Various iteration schemes have been proposed to solve the non-linear equations arising in the implementation of implicit Runge-Kutta methods. In more general scheme, when applied to an s-stage Runge-Kutta method, each step ...
Occurrence of Scomberoides lysan (Forsskal, 1775) (Pisces: Carangidae) in Relation to Ovarian Development

Thulasitha, W.S.; Sivashanthini, K. (JUICE- 2012 University of Jaffna, 2012-07-20)

The present study was carried out to understand the occurrence of maturity stages of double spotted queen fish Scomberoides lysan in the waters around Jaffna Peninsula. These are economically important food fishes particularly ...
In vitro Antagonistic effect of Trichoderma spp. against Tomato Damping off Pathogen Pythium aphanidermatum

Jeyaseelan, E.C.; Tharmila, S.; Niranjan, K. (Proceedings of the Abstracts of Jaffna University International Research Conference (JUICE-2012), 2012-07-20)

Pythium aphanidermatum is an aggressive pathogen, causing damping off disease in tomato seedlings. In the present study an attempt was made to study the antagonistic effect of Trichoderma viride and Trichoderma harzianum ...
Bioassay Guided Isolation of Cassia alata Stem Bark Extract

Jeyasakthy, S.; Srikaran, R.; Jeyadevan, J.P.; Thavaranjit, A.C.; Manoranjan, T. (Proceedings of the Abstracts of Jaffna University International Research Conference (JUICE-2012), 2012-07-20)

Plants have the ability to synthesize chemical compounds that help them to defend against attack from a wide variety of predators such as insects, fungi and herbivorous mammals. Although some of these compounds, whilst ...
Variations in susceptibility to common insecticides and resistance mechanisms among morphologically identified sibling species of the malaria vector Anopheles subpictus in Sri Lanka

Surendran, S.N.; Jude, P.J.; Weerarathne, T.C.; Karunaratne, S.H.P.P.; Ramasamy, R. (2012-02)

Background: Anopheles subpictus s.l., an important malaria vector in Sri Lanka, is a complex of four morphologically identified sibling species A-D. Species A-D reportedly differ in bio-ecological traits that are important ...
Reproductive characteristics of doublespotted queenfish, Scomberoides lysan (Actinopterygii: Perciformes: Carangidae), from Sri Lankan waters: Implications for fisheries management

Thulasitha, W.S.; Sivashanthini, K. (2013)

Background. The doublespotted queenfish, Scomberoides lysan (Forsskål, 1775), is one of the most important and highly priced food fishes popular for dry fish production in Sri Lanka. Knowledge of spawning pattern and season ...
Microscopic staging system used in the identification of gonad developmental stages of Scomberoides lysan

Thulasitha, W.S.; Sivashanthini, K. (Academic Journals Inc, 2013)

The present study was carried out to identify the developmental changes in the gonads of Scomberoides lysan during maturation in order to determine the spawning pattern, ovulation pattern and spawning season. S. lysan is ...

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