Sub-ppm level high energy resolution fluorescence detected X-ray absorption spectroscopy of selenium in articular cartilage

文献情報

出版日 2019-03-28

DOI 10.1039/C9AN00207C

インパクトファクター 4.616

著者

O. Proux, S. Bureau, R. S. Conlan, L. W. Francis, I. M. Khan, L. Charlet, J. L. Hazemann

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要旨

The speciation of highly-diluted elements by X-ray absorption spectroscopy in a diverse range of materials is extremely challenging, especially in biological matrices such as articular cartilage. Here we show that using a high energy resolution fluorescence detected X-ray absorption spectroscopy (HERFD-XAS) technique coupled to an array of crystal analyzers, selenium speciation down to 400 ppb (μg kg−1) within articular cartilage can be demonstrated. This is a major advance in the speciation of highly-diluted elements through X-ray absorption spectroscopy and opens new possibilities to study the metabolic role of selenium and other elements in biological samples.

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CiteScore: 7.8

自己引用率: 5.6%

年間論文数: 653

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Sub-ppm level high energy resolution fluorescence detected X-ray absorption spectroscopy of selenium in articular cartilage

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