Journal
JOURNAL OF PROTEOME RESEARCH
Volume 7, Issue 8, Pages 3591-3596Publisher
AMER CHEMICAL SOC
DOI: 10.1021/pr800067x
Keywords
superparamagnetic nanoparticle; surface modification; cysteine containing peptide enrichment; tandem mass spectrometry; proteomics
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Funding
- National Research Foundation of Korea [13-2008-00-001-00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Superparamagnetic Fe3O4@SiO2 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.
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