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author:

Sun, Lixiang (Sun, Lixiang.) [1] | Lin, Danhong (Lin, Danhong.) [2] | Lin, Guowei (Lin, Guowei.) [3] | Wang, Ling (Wang, Ling.) [4] | Lin, Zian (Lin, Zian.) [5] (Scholars:林子俺)

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EI Scopus SCIE

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 (alpha) reached 0.58 mmol 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.

Keyword:

Community:

  • [ 1 ] [Sun, Lixiang]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Minist Educ,Key Lab Anal & Detect Food Safety, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Wang, Ling]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Minist Educ,Key Lab Anal & Detect Food Safety, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Lin, Zian]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Minist Educ,Key Lab Anal & Detect Food Safety, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Lin, Danhong]Fujian Hlth Coll, Fuzhou 350101, Fujian, Peoples R China
  • [ 5 ] [Lin, Guowei]Fujian Hlth Coll, Fuzhou 350101, Fujian, Peoples R China

Reprint 's Address:

  • 林子俺

    [Lin, Zian]Fuzhou Univ, Coll Chem, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Minist Educ,Key Lab Anal & Detect Food Safety, Fuzhou 350116, Fujian, Peoples R China

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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 Discipline: CHEMISTRY;

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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