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Proceedings Paper

Metal complex speciation on-chip
Author(s): Karine Faure; Michael Loughran; Jeremy D. Glennon
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Paper Abstract

With the continuing advances in the miniaturization of analytical techniques, and in particular of microchip capillary electrophoresis, the challenge of rapid metal complex speciation can now be taken up. The discrimination between different chemical species of metal ions is important as the environmental toxicity, biological activity and availability of many metals is often species dependent. Extensive electrophoresis studies have focused on speciation of low molecular weight metal complex speciation. However, limited research has focused on the separation of different stoichiometries of species within the same metal-ligand system. This new research demonstrates the first rapid separation of individual species in equilibrium within selected metalligand systems by microchip electrophoresis. The transfer of speciation ability within a single metal-ligand system from capillary electrophoresis to microchip electrophoresis has been demonstrated with considerable success. This emphasises the immense future potential for microchip electrophoresis in the field of rapid chemical speciation.

Paper Details

Date Published: 23 January 2006
PDF: 8 pages
Proc. SPIE 6112, Microfluidics, BioMEMS, and Medical Microsystems IV, 61120P (23 January 2006); doi: 10.1117/12.660601
Show Author Affiliations
Karine Faure, Univ. College Cork (Ireland)
Michael Loughran, Univ. College Cork (Ireland)
Jeremy D. Glennon, Univ. College Cork (Ireland)

Published in SPIE Proceedings Vol. 6112:
Microfluidics, BioMEMS, and Medical Microsystems IV
Ian Papautsky; Wanjun Wang, Editor(s)

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