Sensory development for heavy metal detection: A review on translation from conventional analysis to field-portable sensor

Subhankar Mukherjee, Soumyadeb Bhattacharyya, Koustuv Ghosh, Souvik Pal*, Arnab Halder, Maryam Naseri, Mohsen Mohammadniaei, Subrata Sarkar, Alokesh Ghosh, Yi Sun, Nabarun Bhattacharyya

*Corresponding author for this work

Research output: Contribution to journalReviewpeer-review

Abstract

Background: In recent decades, contaminations with heavy metals ions have adversely affected the environment, food safety, and human health. Heavy metals, leaching to water sources from the industrial effluents, can enter into the aquatic and food chains of humans and animals from a variety of anthropogenic sources. 

Scope and Approach: Heavy metal detection has been an intensive area of research today. Both laboratory-based analytical instruments and innovative sensor devices like the electronic nose, electronic tongue, and bio/chemical sensors have increasingly emerged to meet the demand for legislative actions on environmental pollution control and early warning. These evolving technology and developments particularly in the area of nanotechnology and sensors have become key contributing factors in heavy metal detection. 

Key Findings and Conclusions: This endeavor aims at exploring this field in detail to understand the key principles behind this flourishing science and summarize the recent development in heavy metal detection technologies. This article also gives a brief review of commercially available portable devices that has the potential to become the next gold standard instruments in heavy metal detection.

Original languageEnglish
JournalTrends in Food Science and Technology
Volume109
Pages (from-to)674-689
ISSN0924-2244
DOIs
Publication statusPublished - 2021

Keywords

  • Analysis
  • Data analytics
  • Heavy metal
  • Nanotechnology
  • Portable devices
  • Sensors

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