Recent Implementations of Hydrogel-Based Microbial Electrochemical Technologies (METs) in Sensing Applications

Hydrogel materials have been used extensively in microbial electrochemical technology (MET) and sensor development due to their high biocompatibility and low toxicity. With an increasing demand for sensors across different sectors, it is crucial to understand the current state within the sectors of...

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Published inSensors (Basel, Switzerland) Vol. 23; no. 2; p. 641
Main Authors Wang, Zeena, Li, Dunzhu, Shi, Yunhong, Sun, Yifan, Okeke, Saviour I, Yang, Luming, Zhang, Wen, Zhang, Zihan, Shi, Yanqi, Xiao, Liwen
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 06.01.2023
MDPI
Subjects
Bacteria
Biochemical fuel cells
Biocompatibility
Bioelectric Energy Sources
Biofilms
Biological activity
Biosensing Techniques
Biosensors
E coli
Efficiency
Electrolysis
Electrolytic cells
Hydrogels
Metabolism
microbial electrochemical technology
microbial electrolysis cells
microbial fuel cells
microbial sensors
Microorganisms
Oxidation
Polymers
Review
Sensors
Stability analysis
Technology
microbial electrochemical technology
microbial sensors
biosensors
hydrogels
microbial electrolysis cells
microbial fuel cells
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Summary:Hydrogel materials have been used extensively in microbial electrochemical technology (MET) and sensor development due to their high biocompatibility and low toxicity. With an increasing demand for sensors across different sectors, it is crucial to understand the current state within the sectors of hydrogel METs and sensors. Surprisingly, a systematic review examining the application of hydrogel-based METs to sensor technologies has not yet been conducted. This review aimed to identify the current research progress surrounding the incorporation of hydrogels within METs and sensors development, with a specific focus on microbial fuel cells (MFCs) and microbial electrolysis cells (MECs). The manufacturing process/cost, operational performance, analysis accuracy and stability of typical hydrogel materials in METs and sensors were summarised and analysed. The current challenges facing the technology as well as potential direction for future research were also discussed. This review will substantially promote the understanding of hydrogel materials used in METs and benefit the development of electrochemical biosensors using hydrogel-based METs.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s23020641