Chemistry: Recent submissions

Now showing items 201-220 of 445

Arsenic and hardness in ground water from Chronic Kidney Disease of Unknown Etiology (CKDU) prevalent areas and non-CKDU prevalent areas in Sri Lanka

Fonseka, S.; Jayasumana, C.; Jayalath, K.; Amarasinghe, M.; Senanayake, K.; Wijewardhane, C.; Samarasinghe, D.; Dahanayake, K.; Mahamithawa, P.; Paranagama, P.A. (Postgraduate Institute of Science, University of Peradeniya, 2012)

Increasing hardness and deteriorating quality of groundwater, the primary source of potable water, has been the general observation of inhabitants of areas where chronic kidney disease of unknown etiology (CKDu) is ...
Chronic Kidney Disease of Unknown Etiology (CKDu) and Arsenic in Groundwater in Sri Lanka

Jayasumana, C.; Paranagama, P.A.; Amarasinghe, M.D. (Water Resources Board, Colombo, 2011)

In recent years a significant increase in patients of Chronic Kidney Disease of unknown etiology (CKDu) has been observed in some parts of Sri Lanka, especially in Medawachchiya, Padaviya, Kebitigolawa, Medirigiriya (North ...
Effect of the essential oils of Cymbopogon citratus, C. nardus and Cinnamomum zeylanicum on pest incidence and grain quality of rough rice (paddy) stored in an enclosed seed box

Paranagama, P.A.; Abeysekera, T.; Nugaliyadde, L.; Abeywickrama, K.P. (WFL Publisher, 2003)

The protective effect of the essential oils of Cymbopogon citratus, C. nardus and Cinnamomum zeylanicum leaf on paddy stored in wooden boxes lined with aluminium foil were evaluated. After 168 days of storage in oil treated ...
Fungicidal and anti-aflatoxigenic effects of the essential oil of Cymbopogon citratus (DC.) Stapf. (lemongrass) against Aspergillus flavus Link. isolated from stored rice

Paranagama, P.A.; Abeysekera, K.H.T.; Abeywickrama, K.P.; Nugaliyadde, L. (The Society for Applied Microbiology, 2003)

Aims: To develop a natural fungicide against aflatoxigenic fungi, to protect stored rice, using the essential oil of lemongrass. Methods and Results: Aspergillus flavus Link. was isolated from stored rice and identified ...
Estimation of total phenolic content on stem bark extracts of selected Sri Lankan medicinal plants

Jayasiri, A.P.A.; Paranagama, P.A.; Senanayake, S.P.; Amarasinghe, A.P.G. (National Centre for Advanced Studies in Humanities and Social Sciences Sri Lanka, 2015)
Effect of maturity on some chemical constituents of turmeric (Curcuma longa L.)

Cooray, N.F.; Jansz, E.R.; Ranatunga, J.; Wimalasena, S. (Natural Resources, Energy and Science Authority of Sri Lanka, 1988)
Biomonitoring of atmospheric heavy metal deposition using moss (Hyophila involuta): Efficiency of different moss bag techniques

Dharmasiri, P.H.A.N.; Deeyamulla, M.P. (Sri Lanka Association for the Advancement of Science, 2013)
The role of washing of moss samples in analysis of heavy metal concentrations in moss biomonitoring studies

Jayalath, K.G.; Deeyamulla, M.P.; de Silva, R.C.L. (Sri Lanka Association for the Advancement of Science, 2013)
Examination of the naturally occurring clay in Pannala area for the removal of nitrates and polycyclic aromatic hydrocarbons from drinking water

Ariyagnana, A.D.R.M.; Subramanium, S.S. (Sri Lanka Association for the Advancement of Science, 2013)
Studies on rice bran lipase to investigate its potential to use as an additive in detergent formulation

Singaram, I.; Weerasooriya, M.K.B. (Sri Lanka Association for the Advancement of Science, 2013)
Examination of naturally occurring clay in Pannala for removal of Cr(III), Pb(II), Cd(II), Ca(II) and Mg(II) from aqueous solution

Priyadarshani, D.K.A.; Subramanium, S.S. (Sri Lanka Association for the Advancement of Science, 2013)
Method development for the determination of MCPA (4-Chloro-2-methylphenoxy acetic acid) residues in black tea

Amarakoon, A.M.T.; Herath, K.N.S.; Punyasiri, P.A.N.; Abewickrama, K.R.W. (Sri Lanka Association for the Advancement of Science, 2013)
Use of electro-deposition technique for growing n-type and p-type CdS and CdTe thin film semiconductor materials for fabrication of solar cells with improved performances

Kumarasinghe, K.D.M.S.P.K.; Sandaruwan, K.A.I.; de Silva, D.S.M.; Pathiratne, K.A.S.; Sivananthan, S. (Sri Lanka Association for the Advancement of Science, 2013)
Regulation of MEF2 by a small molecule modulates neuronal synapses

Jayathilaka, N.; Balasanyan, V.; Chen, L. (Sri Lanka Association for the Advancement of Science, 2013)
Analysis of elemental profiles in selected industrial effluents reaching Kelani River using inductively coupled plasma spectrometry

Pathiratne, K.A.S.; Pathiratne, A.; Hemachandra, C.K.; de Silva, N. (Sri Lanka Association for the Advancement of Science, 2013)
Antifungal activity of chitosan films containing dry rhizome oil of Alpinia malaccensis against Colletotrichum musae

Rasangika, W.P.M.; Wickramarachchi, P.A.S.R. (Sri Lanka Association for the Advancement of Science, 2013)
Isolation of the bioactive metabolites in the endolichenic fungus, Daldinia eschscholzii, occurring in the lichen, Parmotrema sp. in Sri Lanka

Samanthi, U.; Wickramarachchi, S.; Paranagama, P.A. (Sri Lanka Association for the Advancement of Science, 2013)
Encapsulation of 1,8-cineole with chitosan by emulsion formulation: optimization of parameters for a stable imulsion

Alahakoon, U.V.S.H.; Wickramarachchi, P.A.S.R. (Sri Lanka Association for the Advancement of Science, 2013)
Selenium content in vegetables consumed by Sri Lankans

Bandara, B.M.S.S.; Kannangara, A.T.; de Silva, D.S.M.; Wimalasena, S. (Sri Lanka Association for the Advancement of Science, 2013)
Identification of wild plants to phytoextract chromium from polluted terrestrial environments

Liyanage, A.L.L.A.; Jayalath, K.G.; de Silva, R.C.L.; Deeyamulla, M.P. (Sri Lanka Association for the Advancement of Science, 2013)

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