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Sulfur K-edge X-ray absorption spectroscopy for determining the chemical speciation of sulfur in biological systems.

作者信息

Pickering I J, Prince R C, Divers T, George G N

机构信息

Stanford Synchrotron Radiation Laboratory, Stanford University, CA 94309, USA.

出版信息

FEBS Lett. 1998 Dec 11;441(1):11-4. doi: 10.1016/s0014-5793(98)01402-1.

DOI:10.1016/s0014-5793(98)01402-1
PMID:9877155
Abstract

Sulfur is an essential biological element, yet its biochemistry is only partially understood because there are so few tools for studying this element in biological systems. X-ray absorption spectroscopy provides a unique approach to determining the chemical speciation of sulfur in intact biological samples. Different biologically relevant sulfur compounds show distinctly different sulfur K-edge X-ray absorption spectra, and we show here, as an example, that this allows the deconvolution of the sulfur species in equine blood.

摘要

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