Abstract
Superparamagnetic Fe(3)O(4)@SiO(2) core-shell nanoparticles (ca. 30 nm diameter), which are surface-modified with a thiol-specific functional group, exhibit superb capturing efficiency toward cysteinyl peptides without contamination from nonspecifically interacting peptides, as clearly evidenced through LC/MS/MS analysis.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Chromatography, Liquid
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Cysteine / analysis*
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Ferrosoferric Oxide*
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Indicators and Reagents
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Nanoparticles*
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Peptides / analysis*
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Peptides / isolation & purification
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Proteomics / methods*
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Silicon Dioxide*
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Succinimides*
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Tandem Mass Spectrometry
Substances
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Indicators and Reagents
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Peptides
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Succinimides
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N-succinimidyl 3-(2-pyridyldithio)propionate
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Silicon Dioxide
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Cysteine
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Ferrosoferric Oxide