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author:

Lin, Bingyong (Lin, Bingyong.) [1] | Kannan, Palanisamy (Kannan, Palanisamy.) [2] | Qiu, Bin (Qiu, Bin.) [3] (Scholars:邱彬) | Lin, Zhenyu (Lin, Zhenyu.) [4] (Scholars:林振宇) | Guo, Longhua (Guo, Longhua.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

Simple, rapid, convenient, and economical surface enhanced Raman scattering (SERS) substrate is developed for on-site evaluation of Aflatoxin B-1 (AFB(1)) in food matrix using handheld Raman Spectrometer. Self-assembly of gold nanobipyramids (Au NBPs) into the nanoholes of anodic aluminum oxide (AAO) template/pattern using 'drop-dry' approach provides a reliable pathway for the rapid fabrication of highly active and uniform SERS substrate. It shows enhanced and reproducible SERS signals towards the probe molecule, 4-aminothiophenol (4-ATP) with a relative standard deviation (RSD) of less than 10% and an average enhancement factor (EF) of 1 x 10(8). For practical application, the proposed method is demonstrated for the detection of aflatoxin B-1 (AFB(1)) in peanut extracts. The results show that the AFB(1) in peanut extracts can be identified within 1 min, with a limit of detection of 0.5 mu g/L. Compared with conventional ELISA based AFB(1) analysis, our method is much more efficient (1 min versus > 30 min).

Keyword:

Aflatoxin B-1 Anodic aluminum oxide Au nanobipyramids On-site analysis Peanut sample

Community:

  • [ 1 ] [Lin, Bingyong]Fuzhou Univ, Coll Chem, MOE Key Lab Analyt Sci Food Safety & Biol, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Qiu, Bin]Fuzhou Univ, Coll Chem, MOE Key Lab Analyt Sci Food Safety & Biol, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Lin, Zhenyu]Fuzhou Univ, Coll Chem, MOE Key Lab Analyt Sci Food Safety & Biol, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Guo, Longhua]Fuzhou Univ, Coll Chem, MOE Key Lab Analyt Sci Food Safety & Biol, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Kannan, Palanisamy]Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Peoples R China
  • [ 6 ] [Guo, Longhua]Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Peoples R China

Reprint 's Address:

  • 郭隆华

    [Guo, Longhua]Fuzhou Univ, Coll Chem, MOE Key Lab Analyt Sci Food Safety & Biol, Fujian Prov Key Lab Anal & Detect Technol Food Sa, Fuzhou 350116, Fujian, Peoples R China;;[Kannan, Palanisamy]Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Peoples R China

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Source :

FOOD CHEMISTRY

ISSN: 0308-8146

Year: 2020

Volume: 307

7 . 5 1 4

JCR@2020

8 . 5 0 0

JCR@2023

ESI Discipline: AGRICULTURAL SCIENCES;

ESI HC Threshold:116

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 54

SCOPUS Cited Count: 56

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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