Laser ablation ICP-MS for quantitative biomedical applications.

Abstract

LA-ICP-MS allows precise, relatively fast, and spatially resolved measurements of elements and isotope ratios at trace and ultratrace concentration levels with minimal sample preparation. Over the past few years this technique has undergone rapid development, and it has been increasingly applied in many different fields, including biological and medical research. The analysis of essential, toxic, and therapeutic metals, metalloids, and nonmetals in biomedical tissues is a key task in the life sciences today, and LA-ICP-MS has proven to be an excellent complement to the organic MS techniques that are much more commonly employed in the biomedical field. In order to provide an appraisal of the fast progress that is occurring in this field, this review critically describes new developments for LA-ICP-MS as well as the most important applications of LA-ICP-MS, with particular emphasis placed on the quantitative imaging of elements in biological tissues, the analysis of heteroatom-tagged proteins after their separation and purification by gel electrophoresis, and the analysis of proteins that do not naturally have ICP-MS-detectable elements in their structures, thus necessitating the use of labelling strategies.

DOI: 10.1007/s00216-012-6023-6
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Cite this paper

@article{Konz2012LaserAI, title={Laser ablation ICP-MS for quantitative biomedical applications.}, author={Ioana Konz and Beatriz Lorenzana Fern{\'a}ndez and Mar{\'i}a Luisa Garc{\'i}a-Alcalde Fern{\'a}ndez and Rosario Pereiro and Alfredo Sanz-Medel}, journal={Analytical and bioanalytical chemistry}, year={2012}, volume={403 8}, pages={2113-25} }