Lasanthi, A.H.P.; Chandana, E.P.S.; Siriwardana, V.P.K.; Weerasinghe, I.M.J.; Senaratna, R.J.P.S.; Athukorale, R.; Piyadarshani, R. K.G.; De S, Amarasinghe N.J.; Peiris, L.D.C.; Samayawardhena, L.A.(Institute of Biology, Colombo, 2001)
Freshwater Calanoid copepods are a group of free-living fresh water crustaceans. They are planktonic
and limnetic and they occur in habitats varying from freshwater to seawater. We investigated detailed
morphology of ...
Chandana, E.P.S.; Ravindra, R.; Lasanthi, P.; De S, Amarasinghe N. J.; Peiris, L.D.C.; Samayawardhena, L.A.(Sri Lanka Association for the Advancement of Science, Colombo, 2001-11-26)
Bundala National Park situated in Southern Sri Lanka is the only Ramsar wetland system
in the country. Malala lagoon, the largest water body in Bundala National Park is a very
productive ecosystem that is demarcated by ...
De Silva, W.A.J.P.; Deepananda, K.H.M.A.; Chandana, E.P.S.; Peiris, L.D.C.; Samayawardhena, L.A.(Sri Lanka Association for the Advancement of Science, Colombo, 2001-11-26)
The present study investigated effects of extremely low concentrations of Chlorpyrifos
(Pyrimec) to reproductive structure and function of male rats. First, a group o f animals
(4 groups; n=10) were given oral dose of ...
Chandana, E.P.S.; Dewasurendra, R.; Dharmadasa, L.; Priyangani, P.M.C.; De Silva, P.M.C.; Ravindra, R.; Lasanthi, P.; De S, Amarasinghe N. J.; Peiris, L.D.C.; Samayawardhena, L.A.(Sri Lanka Association for the Advancement of Science, Colombo, 2001-11-26)
Bundala National Park (BNP) is the only Ramsar wetland in Sri Lank4 which is reputed for its
rich biological diversity of avifauna. The objective of this study was to investigate the socioecological
influence of people ...
Zooplanktons are considered as an important component of ecosystem functioning and they are abundant in tropicalwaters. Nevertheless more studies are necessary to establish ecosystem-habitat species relationships of ...
Deepanada, K.H.M.A.; De Silva, W.A.J.P.; Chandana, E.P.S.; Priyanka, S.B.T.; Weerasinghe, S.S.S.; Dharmasiri, H.W.; Samayawardhena, L.A.(Sri Lanka Association for the Advancement of Science, Colombo, 2001-11-26)
Paraquat is one of the most widely used herbicidal chemicals in the world. Even the lowest doses of Paraquat is reported to cause measurable adverse effects on growth, survival and reproduction. Target organ exposure ...
The dragonflies and damselflies are a major insect group (Class Insecta; Order Odonata) associated with water courses. Odonate assemblages with reference to their habitat characters have not been widely studied in Sri ...
Abeysinghe, N.; Jetsrisuparb, K.; Karunarathna, K.H.T .; Chandana, E.P.S.; Suwanree, S.; Kasemsiri, P.; Chindaprasirt, P.; Knijnenburg , J.T.N.(Metallurgy and Materials Science Research Institute (MMRI), Chulalongkorn University., 2022-03)
The large production volume combined with the high lignocellulose content makes elephant dung an attractive and underutilized biomass resource, but also presents waste management problems for elephant orphanages. This study ...
We report that during cortical development in the mouse embryo, reversion-inducing cysteine-rich protein with Kazal motifs (RECK) critically regulates Notch signaling by antagonizing the ectodomain shedding of Notch ligands, ...
Developmental angiogenesis proceeds through multiple morphogenetic events including sprouting,
intussusception, and pruning. Mice lacking the membrane-anchored metalloproteinase regulator Reck die in utero
around embryonic ...
The extracellular matrix (ECM) is important for both structural
integrity and functions of the brain. Matrix metalloproteinases
(MMPs) play major roles in ECM-remodeling under both
physiological and pathological conditions. ...
Nerve apposition on nicotinic acetylcholine receptor clusters
and invagination of the post-synaptic membrane (i.e. secondary
fold formation) occur by embryonic day 18.5 at the
neuromuscular junctions (NMJs) in mouse ...
Chandana, E.P.S.; Amarasinghe, N. J. de S.; Samayawardhena, L.A.(University of Ruhuna, Matara, Sri Lanka, 2008-09)
Bundala National Park, covering an area of 6216 ha, is located about 250 Km Southeast
of Colombo, in the Hambantota District. The shallow brackish water lagoons located within the park -
Koholankala (390 ha), Malala (650 ...
Selected hydrographic parameters of Koggala lagoon over a period of four months in 2002-
2003 are reported together with the preliminary results on the distribution of a marine
bivalve within lagoon. Such data prior to ...
Present study has tested the immunomodulatory properties of Ethanolic extracts of roots of Clerodendrum
infortunatum Linn., Croton laccifer Linn. And Solanum surattense Burm. f, rhizomes of Alpinia calcarata
Rosc. and ...
The present study was conducted to reveal the odonate diversity and distribution patterns in selected habitats
with reference to habitat quality and climate variability in order to determine the conservation status of ...
Chronic kidney disease of uncertain etiology has become a major health problem among farming communities in rural Sri Lanka. This study determined the prevalence of CKDu following WHO case definition of CKDu in two disease ...
Chandana, E.P.S.; Kithmini, K.K.A.; Gunasekara, T.D.K.S.C.(University of Ruhuna, Matara, Sri Lanka, 2015-06-26)
The present work was undertaken to validate the combinatorial effect of the ethanol extractions
of rhizomes of Cyperus rotundus Linn. (“Kalanduru”) and Alpinia calcarata Rosc. (“Heen Araththa”), and root
barks of Solanum ...
Chandana, E.P.S.; Samayawardhenal, L.A.; Pieris, L.D. C; Dharmashi, H.W.(Sri Lsnka Assaciatian for the Advancement of science, 2000-11-27)
Modern pollutants in the env:rorunent have been blauaed for adverse effeots on varisus
orga&isms at cellular and sub-ceilular level. Pestieides luve bee,n given special atrention
because of their extensive usage in ...