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IJMS Vol.31(3) [September 2002] >

Title: Biochemical changes in tissues of crab Sesarma quadratum (Decapoda) exposed to CuCl2
Authors: Valarmathi, S.
Azariah, J.
Keywords: Sesarma quadratum
sublethal concentrations
biochemical responses
Issue Date: Sep-2002
Publisher: CSIR
Abstract: Crabs of the species Sesarma quadratum were exposed to two sublethal concentrations of CuCl2 (2.8 and 9.3 ppm) for 21 days. Suitable control experiments were maintained. Sample tissues were taken from the muscle, gills and hepatopancreas of crabs of both test and control groups after an exposure to CuCl2 for 1, 7, 14 and 21 days. The levels of protein, amino acids, lipids, free sugar and protein bound sugar were found to be lower in comparison with control crabs, in the case of muscle, gills and hepatopancreas of test crabs, especially those exposed to 9.3 ppm of sublethal concentration of CuCl2. However, present data strongly suggest that CuCl2 is toxic to Sesarma quadratum resulting in alterations in major biochemical constituents of all tissues.
Page(s): 246-248
ISSN: 0379-5136
Source:IJMS Vol.31(3) [September 2002]

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