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首页> 外文期刊>Life sciences >MERCURY DYNAMICS IN HAIR OF RATS EXPOSED TO METHYLMERCURY BY SYNCHROTRON RADIATION X-RAY FLUORESCENCE IMAGING
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MERCURY DYNAMICS IN HAIR OF RATS EXPOSED TO METHYLMERCURY BY SYNCHROTRON RADIATION X-RAY FLUORESCENCE IMAGING

机译：同步辐射X射线荧光成像显示甲基汞对大鼠毛发中的汞动力学

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摘要

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. [References: 12]
机译：通过同步辐射X射线荧光（SR-XRF）成像分析了甲基汞（MeHg）暴露的大鼠毛发样品中汞（Hg）的二维分布。 MeHg暴露的内源性和外源性模型实验表明，前者暴露后，头发皮层中的金属含量明显较高，而后者暴露后，Hg分布的主要部位是表皮。该方法还为我们提供了通过内源模型获得的一根头发的沿头发长度的汞曲线。因此，将SR-XRF分析应用于头发样品将有助于生物学监测，不仅使汞暴露明显，而且仅通过样品即可确定其动态。 [参考：12]

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