Browsing Department of Biosystems Technology by Author "De Silva, W.A.J.P."

Browsing Department of Biosystems Technology by Author "De Silva, W.A.J.P."

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  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...

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