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Browsing Department of Biosystems Technology by Author "Chandana, E.P.S."

Now showing items 1-20 of 34

Abundance and distribution of Calanoid copepods(Acartia species & Phyllodiaptomus annae) in Malala lagoon, Bundala National Park- Sri Lanka are partly water quality dependent: effects of sand bar opening on copepod dynamics

Lasanthi, A.H.P.; Chandana, E.P.S.; Ravindra, W.; De S, N.J. Amarasinghe; Peiris, L.D.C.; Samayawardhena, L.A. (2001)

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 ...
Analysis of Socio-Ecological Factors Affecting Bundala National Park

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 ...
Applicability of Novel Urinary Biomarkers for the Assessment of Renal Injury in Selected Occupational Groups in Sri Lanka: A Comparative Study with Conventional Markers

Ekanayake, E.M.D.V.; Gunasekara, T.D.K.S.C.; De Silva, P.M.C.S.; Jayasinghe, Sudheera; Chandana, E.P.S.; Jayasundara, Nishad (Multidisciplinary Digital Publishing Institute, 2022-04-26)

Screening approaches with more robust biomarkers, are of the utmost importance in the characterization of renal injuries, particularly among communities with high burdens of chronic kidney disease of uncertain etiology ...
Are Ealry Development Satges of Frogs in Danger due to Environmental Pollutants? An Investigation with Low Concentrations of Chlorpyrifos

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 ...
Chronic Exposure to Paraquat Alters Spermatogenesis and Nuclear DNA Integrity of Epididymal Sperm in Mice

Deepananda, K.H.M.A.; De Silva, W.A.J.P.; Chandana, E.P.S.; Priyanka, S.B.T.; Weerasinghe, S.S.S.; Pitadeniya, G.S.; Peiris, L.D.C.; Samayawardhena, L.A.; Dharmasiri, H.W (The Institute of Biology, Colombo, 2000)

Experimental evidence suggests that unintentional exposure to environmental chemicals may alter reproductive capability of males. The aim of the present study was to investigate effects of low concentrations of Paraquat ...
Cytokine Mediated Immunomodulatory Properties of Selected Sri Lankan Medicinal Plants

Gunasekara, T.D.K.S.C.; Chandana, E.P.S. (2014-03)

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 ...
Damages of Paraquat Exposure to Male Reproductive System and Affect on Spermatogenesis in Rats and Mice

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 ...
Declining Renal Functions among Fishing and Sugarcane Farming Communities: Implications on Chronic Kidney Disease of Unknown Etiology (CKDU) in Sri Lanka

Ekanayake, E.M.D.V.; Thakshila, W.A.K.G .; Jayasinghe, S.S.; Chandana, E.P.S.; Jayasumana, C.S.; Siribaddana, S.H.; Mangala, P.; De Silva, C.S. (General Sir John Kotelawala Defence University, 2018)

Chronic Kidney Disease of unknown etiology (CKDu) also named as Chronic Interstitial Nephritis in Agricultural Communities (CINAC) is a rapidly growing public health concern in Sri Lanka (SL). Heat stress and ...
Detailed Morphology, with Reference to Abundance, of Acartia Species in Malala Lagoon in Bundala National Park

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 ...
Early indications on pediatric renal injury: Evidence from biomarkers; Kidney injury molecule-1 and Neutrophil gelatinase associated lipocalin.

Gunasekara, T.D.K.S.C.; De Silva, P.M.C.S.; Ekanayake, E.M.D.V.; Thakshila, W.A.K.G.; Pinipa, R.A.I.; Sandamini, P.M.M.A.; Gunarathna, S.D.; Chandana, E.P.S.; Jayasinghe, S.S .; Herath, C.; Siribaddana, Sisira; Jayasundara, Nishad (Research Square, 2022-03-24)

Pediatric renal injury is an emergent health concern in communities affected by Chronic Kidney Disease of uncertain etiology (CKDu). Early detection of susceptibilities through highly sensitive and specific biomarkers ...
Effect of Habitat Alteration on Avifaunal Diversity of the Riparian Mangrove Ecosystems Associated with Nilwala River

Samarasekara, W. G.K.H.; Chandana, E.P.S. (Uva Wellassa University of Sri Lanka, 2010)

Conservation and management of riparian habitats for wild life and sustainable human use have become challenging tasks amidst the present day development activities and other human influences. Riparian habitats especially ...
Effects of Acute Exposure to Paraquat on Sperm Structure and Function in Rats

Samayawardhena, L.A.; Deepananda, K.H.M.A.; De Silva, W.A.J.P.; Chandana, E.P.S.; Priyanka, S.B.T.; Weerasinghe, S.S.S.; Pitadeniya, G.S.; Peiris, L.D.C. (The Institute of Biology, Colombo, 2000)

Paraquat, a broad-spectrum plant killer is widely used in Sri Lanka despite its harmful effects on living organisms. The aim of the present study was to investigate effects of Paraquat on epididymal sperm structure and ...
Factors affecting the avi-faunal distribution in the three lagoons (Malala, Embillakala and Bundala Lewaya) of Bundala National Park (A Ramsar Wetland) in Sri Lanka

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 ...
Habitat quality and climate variability determine odonate species diversity and distribution patterns in selecte...

Sandamini, P.M.M.A; Gunarathna, S.D.; Chandana, E.P.S. (Academia, 2019-07)

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 ...
Immunity and the role of selected plants as immunomodulators: a review

Chandana, E.P.S. (University of Ruhuna, 2016-09-28)

The immune system is an incredible constellation of cells, tissues, organs and molecules that provides protection against a wide spectrum of pathogens and particles keeping us healthy within the challenging microbial ...
Immunostimulative eff ects of Cyperus rotundus, Alpinia calcarata, Solanum surattense, Clerodendrum infortunatum and Croton laccifer extracts combination on cyclophosphamideinduced immunosuppression in rats

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 ...
An Investigation of the Effects of Low Concentrations of Chlorpyrifos on Epididymal Sperm Mutation in Rats

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 ...
Involvement of the Reck tumor suppressor protein in maternal and embryonic vascular remodeling in mice

Chandana, E.P.S.; Maeda, Yasuhiro; Ueda, Akihiko; Kiyonari, Hiroshi; Oshima, Naoko; Yamamoto, Mako; Kondo, Shunya; Oh, Junseo; Takahashi, Rei; Yoshida, Yoko; Kawashima, Satoshi; Alexander, D.B; Kitayama, Hitoshi; Takahashi, Chiaki; Tabata, Yasuhiko; Matsuzaki, Tomoko; Noda, Makoto (BioMed Central, 2010)

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 ...
Localization of the membrane-anchored MMP-regulator RECK at the neuromuscular junctions

Kawashima, Satoshi; Imamura, Yukio; Chandana, E.P.S.; Noda, Toru; Takahashi, Rei; Adachi, Eijiro; Takahashi, Chiaki; Noda, Makoto (Blackwell Publishing Ltd, 2008)

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 ...
A note on bird–habitat relationship in Kirala Kele, Sri Lanka

Samarasekara, W.G.K.H.; Chandana, E.P.S.; Amarasinghe, N.J.de S. (Sri Lankan Journal Online, 2013)

Browsing Department of Biosystems Technology by Author "Chandana, E.P.S."

Browsing Department of Biosystems Technology by Author "Chandana, E.P.S."

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