Recent electrochemical sensors and biosensors for toxic agents based on screen-printed electrodes equipped with nanomaterials

Author(s)

Negahdary, Masoud ; Ameku, Wilson Akira ; Santos, Berlane Gomes ; Lima, Irlan dos Santos ; de Oliveira, Thawan Gomes ; Franca, Mesaque Carvalho ; Angnes, Lucio

• Document type: Journal article
• Source: Microchemical Journal; v. 185, p. 18-pg., 2023-02-01.

Abstract

Fast and accurate detection of toxic substances can effectively increase the quality of human life, life expectancy, and environmental protection. So far, many electrochemical (bio)sensors have been designed to provide optimal (simplicity, low cost, high selectivity, and high sensitivity) detection of toxic substances. Here, the latest (2021 and 2022) electrochemical (bio) sensors involving nanomaterials-based SPEs for detecting toxic species are categorized and reviewed. The main application of nanomaterials was found as an increasing diagnostic sensi-tivity agent. Toxic substances were investigated and categorized into several groups: toxins, toxic inorganic species, pesticides and other organic residues, and drugs. Evidently, toxicity depends on the dose of each sub-stance, and unwanted doses, even for drugs. The specific features of diagnostic platforms, the application of various nanomaterials, and diagnostic strategies were included. Moreover, the crucial specifications of all electrochemical (bio)sensors that have recently been developed to detect toxic substances have been presented in several tables considering the type of analyte. (AU)

• FAPESP's process: 14/50867-3 - INCT 2014: National Institute of Science and Technology in Bioanalysis
• Grantee: Marco Aurelio Zezzi Arruda
• Support Opportunities: Research Projects - Thematic Grants
• FAPESP's process: 19/27021-4 - Design and fabrication of electrochemical biosensors for early diagnosis of myocardial infarction and Hepatocellular Carcinoma using microRNAs (miRNAs) primers as biorecognition element and arrays of gold nanostructures
• Grantee: Masoud Negahdary
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• FAPESP's process: 17/13137-5 - Formation and properties of hemiesters of carbonic acid in aqueous medium
• Grantee: Claudimir Lucio Do Lago
• Support Opportunities: Research Projects - Thematic Grants