期刊
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
卷 27, 期 6, 页码 554-565出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2008.04.003
关键词
biomolecule; biomolecular complex; capillary electrophoresis; inductively coupled plasma mass spectrometry; interaction; metal-biomolecule complex; metalloid; metalloprotein; metal species; natural ligand
Metal-biomolecule interactions comprise an important research area in metallomics, and are significant for biology, medicine, pharmacy, nutrition, metabolism, and environmental science. Hybrid techniques are preferred for studying interactions between metals and biomolecules. Of all the separation techniques, capillary electrophoresis (CE) exhibits high resolution, minimal sample and reagent consumption, and rapid and efficient separations with minor disturbance of the existing equilibrium between the metal species and their biomolecular complexes. Inductively coupled plasma mass spectrometry (ICP-MS) presents high sensitivity to most of elements and offers multi-element detection. This article provides an overview of CE-ICP-MS for the study of metal-biomolecule interactions. We discuss applications of CE-ICP-MS to the study of interactions between metals or metalloids and natural ligands, such as humic substances or fulvic acids, and the interchange of metal complexes with metal species in metalloproteins. (C) 2008 Published by Elsevier Ltd.
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