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Current Topics in Analytical Chemistry   Volumes    Volume 8 
Capillary electrophoresis and inductively coupled plasma-mass spectrometry (CE-ICP-MS) for chemical speciation analysis
Maria Fernanda Giné, Carlos A. Suárez, Ana Paula G. Gervasio
Pages: 1 - 22
Number of pages: 22
Current Topics in Analytical Chemistry
Volume 8 

Copyright © 2011 Research Trends. All rights reserved

The development and applicability of the hyphenated technique combining the high separation capability of capillary electrophoresis (CE) to the greatly sensitive elemental detection of inductively coupled plasma mass spectrometry (ICP-MS) is presented. The successful implementation of CE-ICP-MS was embossed by projecting an efficient interface to transfer the low volumes of separated species from the CE capillary to the plasma, maintaining their resolution. Improvements on the CE-ICP interfaces along the last fifteen years are presented. Further, instrumental improvements for data acquisition of fast transient signals and those for lessening interferences in CE-ICP-MS applications for separation and identification of arsenic, chromium and selenium species are described. Papers describing the ability of CE to separate small biomolecules and the identification of chemical species by a tag element such as sulfur and phosphorus determined by ICP-MS are presented. Applications to identify metallothioneins isoforms are pearly described, as well as quantification of metalloproteins and metallodrugs in biological samples. Recent applications of CE-ICP-MS to calculate stability constants of radiochemical compounds and their complexation with humic and fulvic acids to evaluate nuclear waste disposal were included.
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