Mercury dynamics in hair of rats exposed to methylmercury by synchrotron radiation X-ray fluorescence imaging
- Univ. of Tsukuba, Ibaraki (Japan); and others
Two dimensional distribution of mercury (Hg) in hair samples of rats exposed to methylmercury (MeHg) was analyzed by synchrotron radiation X-ray fluorescence (SR-XRF) imaging. Experiments with endogenous- and exogenous-model for MeHg exposure revealed that the metal level was obviously higher in the hair cortex after the former exposure whereas a dominant site that Hg distributed after the latter exposure was the cuticle. The method also provided us the Hg profile along the hair length with a single hair obtained by the endogenous model. Thus application of SR-XRF analysis to hair sample would facilitate biological monitoring to not only distinct Hg exposure but also determine its dynamics with only the specimen. 12 refs., 7 figs.
- OSTI ID:
- 530566
- Journal Information:
- Life Sciences, Journal Name: Life Sciences Journal Issue: 23 Vol. 60; ISSN 0024-3205; ISSN LIFSAK
- Country of Publication:
- United States
- Language:
- English
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