College of Chemistry;
Jilin University;
Changchun 130012;
China;
The Second Hospital of Jilin University;
Changchun 130041;
China;
Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education;
School of Life Sciences;
Jilin University;
Changchun 130012;
China;
Hydrophilic; Glutathione; Magnetic; Enrichment; Glycopeptides;