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author:

Lei, Xiaoyun (Lei, Xiaoyun.) [1] | Cui, Jiaxing (Cui, Jiaxing.) [2] | Wang, Shuqiang (Wang, Shuqiang.) [3] | Huang, Ting (Huang, Ting.) [4] | Wu, Xiaoping (Wu, Xiaoping.) [5]

Indexed by:

EI

Abstract:

An ionic liquid hybrid zwitterionic polymer capillary microextraction (CME) column was prepared for the biomimetic enrichment of glycopeptides by one-step copolymerization of 2-methacryloyloxyethyl phosphorylcholine (MPC) and 1-butyl-3-vinylimidazolium bromide, in the presence of crosslinker trimethylolpropane trimethacrylate (TMA). The resultant monolith was characterized by scanning electron microscopy (SEM), fourier transform infrared (FT-IR) spectroscopy and pore size distribution measurement. Due to the incorporation of zwitterionic MPC owning a unique biomimic structure (i.e. hydrophilic cation/anion and hydrophobic long-alkyl chain), the monolithic column has large pore size and good biocompatibility, exhibiting high extraction efficiency, permeability and fast mass transfer to targets. Besides, the use of ionic liquids (ILs) as co-monomer in the polymerization endows the monolith with enhanced mechanical stability, uniformity and multiple interactions. The prepared column was successfully applied in CME coupled to capillary electrochromatography (CEC) for the efficient enrichment and separation of glycopeptide antibiotics in foodstuff. The method demonstrated a wide linear range (50.0–18000.0 µg L-1), low detection limits (5.0–10.0 µg L-1, S/N = 3) and satisfied recoveries (76.0–109.7%). This work shows the advantage of fine-tuning biomimetic monoliths in application-specific CME–CEC. © 2020 Elsevier B.V.

Keyword:

Antibiotics Biocompatibility Biomimetics Extraction Fourier transform infrared spectroscopy Functional polymers Ionic liquids Mass transfer Mechanical stability Peptides Pore size Scanning electron microscopy

Community:

  • [ 1 ] [Lei, Xiaoyun]Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 2 ] [Cui, Jiaxing]Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 3 ] [Wang, Shuqiang]Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 4 ] [Huang, Ting]Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 5 ] [Wu, Xiaoping]Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou; 350116, China

Reprint 's Address:

  • [wu, xiaoping]key laboratory for analytical science of food safety and biology, college of chemistry, fuzhou university, fuzhou; 350116, china

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Source :

Journal of Chromatography A

ISSN: 0021-9673

Year: 2020

Volume: 1623

4 . 7 5 9

JCR@2020

3 . 8 0 0

JCR@2023

ESI HC Threshold:160

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 14

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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