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author:

Liu, Yibin (Liu, Yibin.) [1] | Ma, Wende (Ma, Wende.) [2] | He, Yanting (He, Yanting.) [3] | Chen, Zhuling (Chen, Zhuling.) [4] (Scholars:陈珠灵) | Lin, Zian (Lin, Zian.) [5] (Scholars:林子俺)

Indexed by:

Scopus SCIE

Abstract:

Hydrophilic magnetic mesoporous silica microspheres with core-shell structure were prepared via a facile approach and applied as an enrichment probe for low-abundance glycopeptides and glycans from complex biological samples. The prepared mesoporous silica microspheres modified with gluconamide groups at the interior surface of mesopore channels showed more prominent features with respect to high specific surface area (490 m(2)/g), narrow pore size distribution (2.5 nm), and high saturation magnetization (23.87 emu/g), endowing them with hydrophilicity and size-exclusion selectivity. Taking these advantages of the size-exclusion and the hydrophilic interactions, the hydrophilic mesoporous magnetic microspheres exhibited specificity for glycopeptides in a digest of horseradish peroxidase. The detection limit for horseradish peroxidase was 25 fmol. In addition, the hydrophilic mesoporous magnetic microspheres were further applied to the selective enrichment of N-linked glycans from a digest of human serum. The successful application demonstrates the potential of the hydrophilic mesoporous magnetic microspheres in glycoproteomic analysis.

Keyword:

Enrichment glycan glycopeptide hydrophilic mesoporous silica microspheres magnetic separation

Community:

  • [ 1 ] [Liu, Yibin]Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Minist Educ, Fuzhou, Fujian, Peoples R China
  • [ 2 ] [Ma, Wende]Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Minist Educ, Fuzhou, Fujian, Peoples R China
  • [ 3 ] [He, Yanting]Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Minist Educ, Fuzhou, Fujian, Peoples R China
  • [ 4 ] [Chen, Zhuling]Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Minist Educ, Fuzhou, Fujian, Peoples R China
  • [ 5 ] [Lin, Zian]Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Minist Educ, Fuzhou, Fujian, Peoples R China

Reprint 's Address:

  • 陈珠灵 林子俺

    [Chen, Zhuling]Fuzhou Univ, Dept Chem, Fuzhou 50116, Fujian, Peoples R China;;[Lin, Zian]Fuzhou Univ, Dept Chem, Fuzhou 50116, Fujian, Peoples R China

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Source :

ANALYTICAL LETTERS

ISSN: 0003-2719

Year: 2020

1 . 6 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:160

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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