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Iranian Journal of Toxicology، جلد ۷، شماره ۲۳، صفحات ۹۵۶-۹۶۱
عنوان فارسی Assessment of Toxic Metals Concentration using Pearl Oyster, ‎Pinctada radiate, as Bioindicator on the Coast of Persian Gulf, Iran‎
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عنوان انگلیسی Assessment of Toxic Metals Concentration using Pearl Oyster, ‎Pinctada radiate, as Bioindicator on the Coast of Persian Gulf, Iran‎
چکیده انگلیسی مقاله Background: Persian Gulf is a semi-closed environment which is affected by pollution ‎from heavy metals. Entrance of heavy metals to the water column and binding to ‎sediment particles can affect the benthic organisms that can accumulate these ‎materials in their body. Noticing this ability, mussels are considered as bio-monitoring ‎agents.‎ Methods: The pearl oyster, Pinctada radiate, and sediment samples were collected ‎from Lengeh Port and Qeshm Island. For measuring heavy metals, 0.5g of soft tissue ‎and 1g of shell and sediment were digested by HNO3 (69%) and hot block digester. The ‎prepared samples were evaluated for Cd, Cu, and Zn using a flame AAS Model 67OG ‎while for Pb a graphite furnace AAS was used.‎ Results: Higher metal accumulations were observed in soft tissues. Positive ‎correlations between Cd, Pb, Zn, and Cu concentrations in sediments and soft tissues ‎of oyster were observed. The use of soft tissue of P. radiata as an indicator showed the ‎highest accumulations of Cd (9.76±0.59) and Zn (3142.60±477.10) in Lengeh Port, but ‎there were no significant differences in Cu and Pb concentrations between the two ‎stations.‎ Conclusion: The higher concentrations of heavy metals in P. radiata’ soft tissue in ‎comparison to shell suggested this material as a better heavy metals indicator than ‎shell. Also, the correlation between heavy metals concentration in soft tissue and ‎sediment improve this idea that soft tissue of Pinctada radiata can be considered as a ‎biomonitoring agent for toxic metals pollutions. Hence, using this bioindicator showed ‎Lengeh Port as more polluted station than Qeshm Island.‎
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نویسندگان مقاله اسما محمدکرمی | asma mohammad karami
department of marine biology sciences, tarbiat modares university, noor, mazandaran, iran.‎

سازمان اصلی تایید شده: دانشگاه تربیت مدرس (Tarbiat modares university)

علیرضا ریاحی بختیاری | alireza riyahi bakhtiari
department of environmental sciences, tarbiat modares university,‎ noor, mazandaran, iran.‎

سازمان اصلی تایید شده: دانشگاه تربیت مدرس (Tarbiat modares university)

علی کاظمی | ali kazemi
department of environmental sciences, tarbiat modares university,‎ noor, mazandaran, iran.‎

سازمان اصلی تایید شده: دانشگاه تربیت مدرس (Tarbiat modares university)

نبی اله خیرآبادی | kheirabadi kheirabadi
department of marine biology sciences, tarbiat modares university, noor, mazandaran, iran.‎

سازمان اصلی تایید شده: دانشگاه تربیت مدرس (Tarbiat modares university)

نشانی اینترنتی http://ijt.arakmu.ac.ir/browse.php?a_code=A-10-2-141&slc_lang=en&sid=en
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