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Protein chips for high-throughput doping screening in athletes.

Abstract

Sport and doping are a contradiction in terms, however, doping abuse in sports has been a serious problem for many years. The systematic screening of every athlete for all prohibited drugs should be an indispensable feature of the Olympic Games. The gas chromatography mass spectrometry method is reserved as a reference method, but is limited by its low throughput. The advent of protein chip technology may enable the screening of all athletes for any illegal use of drugs.

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BibTeXRIS

Hongwu Du, Jing Cheng. 2006. Protein chips for high-throughput doping screening in athletes.. https://doi.org/10.1586/14789450.3.1.111

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Recommended criteria for the mass spectrometric identification of target peptides and proteins (<8 kDa) in sports drug testing.

Mass spectrometry has become an invaluable tool for the identification of prohibited peptide hormones and proteins in doping control analysis. Regulatory authorities have established criteria for identifying banned drugs in doping control specimens, but these criteria do not address the specific issues for high molecular weight protein drugs such as molecular weight determination of multiply charged molecules, analysis of chemically or enzymatically derived degradation products, identification of amino acid sequence tags, etc. Technical considerations such as sample preparation methods (e.g. immunoaffinity purification), resulting analytes (e.g. intact compounds vs. chemically or enzymatically derived peptides), ionization modes, analyzer resolution, and the information provided by respective techniques are discussed in light of sports drug testing requirements using typical application examples.

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