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author:

Wu, Yueting (Wu, Yueting.) [1] | Tang, Lele (Tang, Lele.) [2] | Huang, Linhong (Huang, Linhong.) [3] | Han, Zhizhong (Han, Zhizhong.) [4] | Wang, Jian (Wang, Jian.) [5] | Pan, Haibo (Pan, Haibo.) [6] (Scholars:潘海波)

Indexed by:

EI Scopus SCIE

Abstract:

In this study, we reported on a low detection limit penicillin biosensor with layer-by-layer (LbL) film containing single-graphene nanosheets (SGNs) preadsorbed with hematein, ionic liquids (ILs) and penicillinase. The penicillinase catalyzes the hydrolysis of penicillin to penicilloic acid, where H+ is liberated and monitored amperometrically with hematein as a pH indicator. The SGN-hemateinas/penicillinase biosensor exhibited excellent performance for penicillin in PBS with a wide range from 1.25 x 10(-13) to 7.5 x 10(-3) M, and a low detection limit of 10(-13) M (0.04 ppt, S/N >= 3). Furthermore, the detection of penicillin concentration in real sample (milk) had acceptable accuracy with the assay system. (C) 2014 Elsevier B.V. All rights reserved.

Keyword:

Electrochemistry Graphene nanosheets Hematein Ionic liquids Penicillin biosensor

Community:

  • [ 1 ] [Wu, Yueting]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Tang, Lele]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 3 ] [Huang, Linhong]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 4 ] [Pan, Haibo]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 5 ] [Wu, Yueting]Fuzhou Univ, Inst Res Funct Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 6 ] [Tang, Lele]Fuzhou Univ, Inst Res Funct Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 7 ] [Huang, Linhong]Fuzhou Univ, Inst Res Funct Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 8 ] [Han, Zhizhong]Fuzhou Univ, Inst Res Funct Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 9 ] [Pan, Haibo]Fuzhou Univ, Inst Res Funct Mat, Fuzhou 350002, Fujian, Peoples R China
  • [ 10 ] [Wu, Yueting]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 11 ] [Tang, Lele]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 12 ] [Huang, Linhong]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 13 ] [Han, Zhizhong]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 14 ] [Wang, Jian]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 15 ] [Pan, Haibo]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China

Reprint 's Address:

  • 潘海波

    [Pan, Haibo]Fuzhou Univ, Coll Chem & Chem Engn, Qishan Campus, Fuzhou 350108, Fujian, Peoples R China

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Source :

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS

ISSN: 0928-4931

Year: 2014

Volume: 39

Page: 92-99

3 . 0 8 8

JCR@2014

8 . 1 0 0

JCR@2023

JCR Journal Grade:3

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 40

SCOPUS Cited Count: 47

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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