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author:

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

Indexed by:

EI

Abstract:

Simple, rapid, convenient, and economical surface enhanced Raman scattering (SERS) substrate is developed for on-site evaluation of Aflatoxin B1 (AFB1) 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 × 108. For practical application, the proposed method is demonstrated for the detection of aflatoxin B1 (AFB1) in peanut extracts. The results show that the AFB1 in peanut extracts can be identified within 1 min, with a limit of detection of 0.5 μg/L. Compared with conventional ELISA based AFB1 analysis, our method is much more efficient (1 min versus >30 min). © 2019 Elsevier Ltd

Keyword:

Aflatoxins Alumina Aluminum oxide Anodic oxidation Gold Oilseeds Raman scattering Substrates Surface scattering

Community:

  • [ 1 ] [Lin, Bingyong]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 2 ] [Kannan, Palanisamy]College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing; 314001, China
  • [ 3 ] [Qiu, Bin]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 4 ] [Lin, Zhenyu]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 5 ] [Guo, Longhua]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 6 ] [Guo, Longhua]College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing; 314001, China

Reprint 's Address:

  • [kannan, palanisamy]college of biological, chemical sciences and engineering, jiaxing university, jiaxing; 314001, 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 HC Threshold:116

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 56

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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