NDLI: Biomonitoring ²¹°Po and ²¹°Pb in marine brachyuran crabs collected along the coast of Kudankulam, Gulf of Mannar (GOM), India.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Feroz Khan, M. Umarajeswari, S. Godwin Wesley, S.
Spatial Coverage	India
Description	Country affiliation: India Author Affiliation: Feroz Khan M ( Department of Advanced Zoology and Biotechnology, Sadakathullah Appa College (Autonomous), Rahmath Nagar, Palayamkottai, Tamil Nadu, India. ferozmerlin@yahoo.co.in)
Abstract	Activities of ²¹°Po and ²¹°Pb in whole-body and in various tissues of brachyuran crabs collected along the Kudankulam coast were studied. A non-uniform distribution of these radionuclides was observed between the various tissues. Of all the tissues, ²¹°Po and ²¹°Pb were found to accumulate more in the hepatopancreas and intestine. Among the crabs studied, Charybdis lucifera registered higher ²¹°Po and ²¹°Pb activity. Muscle tissue in all the species registered lower activity. The ²¹°Po/²¹°Pb activity ratio was found to be greater than unity. The biological concentration factor for organs varied between ~ 104 and 106 for ²¹°Po and ~10² and 104 for ²¹°Pb. A significant variation in the accumulation of ²¹°Po and ²¹°Pb was noted between species and between seasons (p < 0.05). The mean whole-body internal dose ranged from 1.42 to 6.86 µGy hâ»¹ for ²¹°Po and from 3.0 × 10â»³ to 8.0 × 10â»³ µGy hâ»¹ for ²¹°Pb. The external dose for ²¹°Po and ²¹°Pb was 2.41 × 10â»6 to 5.76 × 10â»6 µGy hâ»¹ and 4.14 × 10â»5 to 8.26 × 10â»5 µGy hâ»¹, respectively. The activity levels recorded are in agreement with values recorded in related organisms in other parts of the world. The total committed effective dose due to the intake of both radionuclides ranged from 80.3 to 871.7 µSv yâ»¹. The median dose calculated due to ²¹°Po and ²¹°Pb in certain crabs in Kudankulam is less and would not pose any significant radiological impact on health or a cancer risk to the public, and the seafood is considered safe for human consumption.
File Format	HTM / HTML
ISSN	14640325
Issue Number	3
Volume Number	13
e-ISSN	14640333
Journal	Journal of Environmental Monitoring
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2011-03-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Environmental Health Brachyura Chemistry Lead Radioisotopes Analysis Polonium Shellfish Animals Environmental Monitoring Humans India Lead Water Pollution, Radioactive Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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