Bimodal counterpropagating-responsive sensing material for the detection of histamine

Zhengzong Wu, Enbo Xu, Aiquan Jiao, Zhengyu Jin, Joseph Maria Kumar Irudayaraj

Research output: Contribution to journalArticle

Abstract

Reliable and ultrasensitive quantification of harmful chemicals is essential to ensure food safety. In this study, a dual mode material for fast extraction and sensitive detection of histamine was developed. The novel sensing material was synthesized by coating a layer of molecularly imprinted polymers (MIPs) doped with silver nanoparticles (AgNPs) on the surface of upconversion particles (UCNPs). The novel material (UCNPs@MIPs-AgNPs) simultaneously possessed a positive surface-enhanced Raman scattering (SERS) response and negative fluorescence response. In the presence of histamine, the fluorescence intensity of UCNPs@MIPs-AgNPs was quenched gradually while the SERS intensity increased gradually. The limit of detection (LOD) and limit of quantitation (LOQ) of histamine were 0.009 mg L-1 and 0.02 mg L-1, and 0.04 mg L-1 and 0.1 mg L-1, respectively, under fluorescence mode and SERS mode. These results revealed that it is feasible to accurately detect histamine content by using the dual responsive material. The developed strategy integrates the advantages of upconverting nanotechnology, molecularly imprinted technology and SERS technology for highly specific enrichment and detection of histamine.

Original languageEnglish (US)
Pages (from-to)44933-44944
Number of pages12
JournalRSC Advances
Volume7
Issue number71
DOIs
StatePublished - Jan 1 2017

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Histamine
Raman scattering
Polymers
Fluorescence
Food safety
Nanotechnology
Silver
Nanoparticles
Coatings

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Bimodal counterpropagating-responsive sensing material for the detection of histamine. / Wu, Zhengzong; Xu, Enbo; Jiao, Aiquan; Jin, Zhengyu; Irudayaraj, Joseph Maria Kumar.

In: RSC Advances, Vol. 7, No. 71, 01.01.2017, p. 44933-44944.

Research output: Contribution to journalArticle

Wu, Zhengzong ; Xu, Enbo ; Jiao, Aiquan ; Jin, Zhengyu ; Irudayaraj, Joseph Maria Kumar. / Bimodal counterpropagating-responsive sensing material for the detection of histamine. In: RSC Advances. 2017 ; Vol. 7, No. 71. pp. 44933-44944.
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