Advances in nanomaterial-based electrochemical biosensors for the detection of microbial toxins, pathogenic bacteria in food matrices

Riya Gupta, Nadeem Raza, Sanjeev K. Bhardwaj, Kumar Vikrant, Ki Hyun Kim, Neha Bhardwaj

Research output: Contribution to journalArticle

Abstract

There is a growing demand to protect food products against the hazard of microbes and their toxins. To satisfy such goals, it is important to develop highly sensitive, reliable, sophisticated, rapid, and cost-effective sensing techniques such as electrochemical sensors/biosensors. Although diverse forms of nanomaterials (NMs)-based electrochemical sensing methods have been introduced in markets, the reliability of commercial products is yet insufficient to meet the practical goal. In this review, we focused on: 1) sources of pathogenic microbes and their toxins; 2) possible routes of their entrainment in food, and 3) current development of NM-based biosensors to realize real-time detection of the target analytes. At last, future prospects and challenges in this research field are discussed.

Original languageEnglish
Article number123379
JournalJournal of Hazardous Materials
Volume401
DOIs
StatePublished - 2021 Jan 5

Keywords

  • Algal toxins
  • Bacterial toxins
  • Electrochemical biosensors
  • Foodborne pathogens
  • Mycotoxins

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