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Gold nanoparticle-based optical nanosensors for food and health safety monitoring: recent advances and future perspectives

RSC advances, 2022-04, Vol.12 (18), p.10950-10988 [Peer Reviewed Journal]

This journal is © The Royal Society of Chemistry. ;Copyright Royal Society of Chemistry 2022 ;This journal is © The Royal Society of Chemistry 2022 The Royal Society of Chemistry ;ISSN: 2046-2069 ;EISSN: 2046-2069 ;DOI: 10.1039/d1ra08311b ;PMID: 35425077

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  • Title:
    Gold nanoparticle-based optical nanosensors for food and health safety monitoring: recent advances and future perspectives
  • Author: Anh, Nguyen Ha ; Doan, Mai Quan ; Dinh, Ngo Xuan ; Huy, Tran Quang ; Tri, Doan Quang ; Ngoc Loan, Le Thi ; Van Hao, Bui ; Le, Anh-Tuan
  • Subjects: Biocompatibility ; Biomarkers ; Chemistry ; Colorimetry ; Contaminants ; Disease control ; Energy transfer ; Food ; Gold ; Nanoparticles ; Nanosensors ; Optical properties ; Pathogens ; Raman spectra ; Resonance scattering ; Telemedicine ; Transducers
  • Is Part Of: RSC advances, 2022-04, Vol.12 (18), p.10950-10988
  • Description: Modern society has been facing serious health-related problems including food safety, diseases and illness. Hence, it is urgent to develop analysis methods for the detection and control of food contaminants, disease biomarkers and pathogens. As the traditional instrumental methods have several disadvantages, including being time consuming, and having high cost and laborious procedures, optical nanosensors have emerged as promising alternative or complementary approaches to those traditional ones. With the advantages of simple preparation, high surface-to-volume ratio, excellent biocompatibility, and especially, unique optical properties, gold nanoparticles (AuNPs) have been demonstrated as excellent transducers for optical sensing systems. Herein, we provide an overview of the synthesis of AuNPs and their excellent optical properties that are ideal for the development of optical nanosensors based on local surface plasmon resonance (LSPR), colorimetry, fluorescence resonance energy transfer (FRET), and surface-enhanced Raman scattering (SERS) phenomena. We also review the sensing strategies and their mechanisms, as well as summarizing the recent advances in the monitoring of food contaminants, disease biomarkers and pathogens using developed AuNP-based optical nanosensors in the past seven years (2015-now). Furthermore, trends and challenges in the application of these nanosensors in the determination of those analytes are discussed to suggest possible directions for future developments.
  • Publisher: England: Royal Society of Chemistry
  • Language: English
  • Identifier: ISSN: 2046-2069
    EISSN: 2046-2069
    DOI: 10.1039/d1ra08311b
    PMID: 35425077
  • Source: PubMed Central
    DOAJ Directory of Open Access Journals
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