CE-ICP-MS for studying interactions between metals and biomolecules |
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Authors: | Xue-Bo Yin Yan Li Xiu-Ping Yan |
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Institution: | aResearch Center for Analytical Sciences, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, China |
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Abstract: | 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. |
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Keywords: | Biomolecule Biomolecular complex Capillary electrophoresis Inductively coupled plasma mass spectrometry Interaction Metal-biomolecule complex Metalloid Metalloprotein Metal species Natural ligand |
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