Bioaccumulation and depuration of pyrene in oyster, crassostrea iredalei

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dc.contributor.authorYew, Chin Kam
dc.date.accessioned2011-07-13T03:16:48Z
dc.date.available2011-07-13T03:16:48Z
dc.date.issued2005-12
dc.description.abstractOyster, Crassostrea iredalei is able to accumulate pyrene in seawater rapidly and achieve steady state within 24 hours under static condition of seawater containing salinity between 10 ppt and 30 ppt, at 30 °C temperature and pH 8.1. Salinity seems to have a great effect on the accumulation and depuration of pyrene in Crassostrea iredalei. The results reveal that lower salinity will lead to higher bioaccumulation of pyrene in the oyster. Bioaccumulation factors for pyrene in oyster at 10 ppt, 20 ppt and 30 ppt salinity of seawater are 232464 ± 110021, 126137 ± 30255 and 54839 ± 9931 respectively. The uptake rate constants are 1593.486 ± 824.644, 462.707 ± 108.643 and 164.516 ± 38.826 h"1 respectively. The depuration rate constants are 0.007 ± 0.001, 0.004 ± 0.001 and 0.003 ± 0.00 h"1 respectively. Higher salinity level leads to lower bioaccumulation factor as well as uptake and depuration rate constants. Besides, Crassostrea iredalei is also capable to accumulate the PAHs present in Malaysia Tapis A crude oil.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/806
dc.language.isoenen_US
dc.publisherFakulti Sains dan Teknologien_US
dc.relation.ispartofseriesSH 365 .M3 Y4 2005;
dc.subjectSH 365 .M3 Y4 2005en_US
dc.subjectYew, Chin Kamen_US
dc.subjectBioaccumulation and depuration of pyrene in oyster, crassostrea iredaleien_US
dc.subjectOyster cultureen_US
dc.titleBioaccumulation and depuration of pyrene in oyster, crassostrea iredaleien_US
dc.typeThesisen_US
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