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author:

Sun, L. (Sun, L..) [1] | Lin, D. (Lin, D..) [2] | Lin, G. (Lin, G..) [3] | Wang, L. (Wang, L..) [4] | Lin, Z. (Lin, Z..) [5]

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Abstract:

A facile strategy based on the synergistic effect of molecular imprinting and boronate affinity was proposed for glycoprotein imprinting. Polydopamine (PDA)-coated boronic acid-functionalized molecularly imprinted silica nanoparticles (MIPs) were prepared by the "thiol-ene" click reaction using SiO2 as the core, 3-acrylamidophenyl boronic acid (AAPBA) as the functional monomer, and horseradish peroxidase (HRP) as the glycoprotein template. A well defined core-shell structure of MIPs was obtained after self-polymerization of dopamine (DA) on the surface of HRP-immobilized silica nanoparticles (NPs). The polymerization conditions and adsorption behavior were investigated in detail in order to obtain the highest selectivity and binding capacity. Under the optimized conditions, the HRP-MIPs showed higher binding affinity towards HRP than non-imprinted nanoparticles (NIPs), and the corresponding adsorption capacity (Q) and imprinted factor (α) reached 0.58 μmol g-1 and 2.6, respectively. The specificity for HRP recognition was evaluated with a competitive experiment, and the results indicated that the HRP-MIPs had higher selectivity for the template. The good features of the HRP-MIPs facilitated selective isolation and enrichment of trace HRP from human serum. In addition, the stability and regeneration were also investigated, which indicated that the HRP-MIPs had excellent reusability. © 2015 The Royal Society of Chemistry.

Keyword:

Community:

  • [ 1 ] [Sun, L.]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
  • [ 2 ] [Lin, D.]Fujian Health College, Fuzhou, Fujian, 350101, China
  • [ 3 ] [Lin, G.]Fujian Health College, Fuzhou, Fujian, 350101, China
  • [ 4 ] [Wang, L.]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
  • [ 5 ] [Lin, Z.]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China

Reprint 's Address:

  • [Lin, Z.]Ministry of Education Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou UniversityChina

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Source :

Analytical Methods

ISSN: 1759-9660

Year: 2015

Issue: 23

Volume: 7

Page: 10026-10031

1 . 9 1 5

JCR@2015

2 . 7 0 0

JCR@2023

ESI HC Threshold:265

JCR Journal Grade:2

CAS Journal Grade:3

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: 0

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