Volume 1(1)

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Projective and part metric techniques in proving the existence of unique positive solutions for non-linear integral equations.

T.Sritharan (Eastern University, Sri Lanka, 2000)

We will present the existence and uniqueness of a non-negative solution of non- linear integral equations of the type u(x) — f^K(x,y) F(y,u(y)} dy, where O is a closed and bounded domain in JJ^, K(., .) is non-negative and ...
Preparation and resistance measurements of BSCCO superconductors.

Ganesan, N.Pathmanathan,; J.C.N.Rajendra, B.S.B.Karunaratna. (Eastern University, Sri Lanka, 2000)

Three Bismuth based superconducting samples with the composition.rPbQ.sSrCaCui.sOy were prepared using different solid state reaction techniques. The BiiOz* P6O, SrCOz and CuO powders o/99% purity were used as starting raw ...
Investigation of the free steroid from palmyrah (Borassus flabellifer L.) fruit pulp

J.K.Nikawala, P.Baeckstrom,; E.R.Jansz, A.M.Abeysekera (Eastern University, Sri Lanka, 2000)

The study describes the isolation of a Steroid from, palmyrah fruit pulp(PFP) by MPLC. Spectroscopic studies using 1H-NMR and 13C-NMR showed its structure to be (3 SitosteroL The steroid was isolated from PFP by extracting ...
Glutathione is an essential metabolite required for resistance to oxidative stress and induction of stress tolerance in yeast Saccharomyces cerevisias

S.Judy Arasanila, Kenneth Watson (Eastern University, Sri Lanka, 2000)

Yeast cells were depleted of glutathione by treatment with iodoacetamide and were markedly more sensitive to damage caused by free radicals generated by AAPH (2,2 f-azobis(2-amidinopropane) dihydrochloride) and H^Oi- However ...
Lequme-fish integration: Cultivation of soybean and bush bean under saturated soil condition with blue gourami.

Udani Edirisinghe, L.J.P.D Jayasooriya; K.G. Nandasena (Eastern University, Sri Lanka, 2000)

Benefits of an integrated culture of expensive ornamental fish species with economically important legume crops in rotation with rice could be accrued by farmers at low profit margins. Possibility of developing such an ...
Comparison of analytical techniques for separation of n-linked oligosaccharides in a model glycoprotein (Ribonuclease B)

U.G. Chandrika, G.E. Norris (Eastern University, Sri Lanka, 2000)

Methods for separating oligosaccharides have always been limited by the detection system utilised. Carbohydrates do not naturally contain any chromophores or flourophores and therefore un-derivatised glycans cannot be ...
Analytical studies on irrigation water at Kaluthawalai in the Batticaloa district.

K.Vaheesar, Thevaki Mahendran; H.M.D Namal Priyantha (Eastern University, Sri Lanka, 2000)

An analytical study was carried to determine the suitability of ground water for irrigation. Chemical analysis of sodium, calcium and magnesium were carried out and electrical conductivity was measured during December 1998 ...
Separation techniques of flabelliferins from palmyrah (Borassus flabellifer L.) fruit pulp

D.D Ariyasena, A.M Abeysekera; E.R.Jansz, J.K.Nikawala, (Eastern University, Sri Lanka, 2000)

The flabelliferins (steroidal saponins) ofpalmyrah are of importance due to their significance in foodand bio activity. There are a plethora of flabelliferins and their separation and quantification is a challenge. This ...
Cholesterol lowering effect of Aporosa lindleyana in male Wistar rats.

L.Vijayendran, S.M.D.N. Wichramasinghe (Eastern University, Sri Lanka, 2000)

Aporosa lindleyana is a green leafy vegetable of family Euphorbiaceae grown in tropical countries. In this study the effect of Aporosa lindleyana on the serum cholesterol level of hypercholesterolaemic rats and ...

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