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author:

Li, Y. (Li, Y..) [1] | Hong, M. (Hong, M..) [2] | Miaomiao (Miaomiao.) [3] | Bin, Q. (Bin, Q..) [4] | Lin, Z. (Lin, Z..) [5] | Cai, Z. (Cai, Z..) [6] | Chen, G. (Chen, G..) [7]

Indexed by:

Scopus

Abstract:

A kind of surface glycoprotein imprinting over magnetic Fe 3O4@Au multifunctional nanofibers (NFs) was developed and investigated. Magnetic Fe3O4@Au nanoparticles (NPs) as the core materials were modified consecutively with aniline, 3-aminophenylboronic acid (APBA) and acrylic acid to introduce boronic acids and polymerizable double bonds. With horseradish peroxidase (HRP) as a glycoprotein template, thin protein-imprinted films were fabricated via radical induced graft copolymerization of monomers on the surface of the multifunctional NFs. Experimental results show that the magnetic multifunctional Fe3O 4@Au NFs can not only direct the selective occurrence of imprinting polymerization, but also drive glycoprotein templates into the polymer through reversible covalent complex formation. The results show that the imprinted NFs reached saturated adsorption at 0.3 mg mL-1 within 90 min and exhibited significant specific recognition towards the template protein. Moreover, the molecularly imprinted polymers (MIPs) were used to electrochemically detect HRP with good linearity in the range of low concentrations from 0.01 to 0.30 mg mL-1 through molecular recognition of K3[Fe(CN)6] current response. The detection limit of this method was found to be 0.005 mg mL-1 (S/N = 3). The synthetic strategy paves the way for preparation of functional nanomaterials by molecular imprinting technique and direct detection of proteins in a more convenient, simpler and cheaper way. © The Royal Society of Chemistry 2013.

Keyword:

Community:

  • [ 1 ] [Li, Y.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China
  • [ 2 ] [Hong, M.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China
  • [ 3 ] Miaomiao, Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China
  • [ 4 ] [Bin, Q.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China
  • [ 5 ] [Lin, Z.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China
  • [ 6 ] [Cai, Z.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China
  • [ 7 ] [Cai, Z.]Department of Chemistry, Hong Kong Baptist University, Hong Kong, Hong Kong
  • [ 8 ] [Chen, G.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China

Reprint 's Address:

  • [Cai, Z.]Department of Chemistry, Fuzhou University, Ministry of Education, Fuzhou 350002, China

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Source :

Journal of Materials Chemistry B

ISSN: 2050-7518

Year: 2013

Issue: 7

Volume: 1

Page: 1044-1051

6 . 1 0 0

JCR@2023

JCR Journal Grade:4

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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