Green Electrochemical Sensors for Trace Heavy Metal Detection
A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Electrochemical Devices and Sensors".
Deadline for manuscript submissions: 30 November 2025 | Viewed by 96
Special Issue Editors
Interests: analytical chemistry; electroanalysis; sensors; surface analysis
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The increasing accumulation of toxic heavy metals such as Pb(II), Cd(II), Hg(II), and As(III) in environmental and biological systems presents a severe global challenge. Chronic exposure to these metals is linked to neurological disorders, organ damage, and long-term ecological risks due to soil and water contamination. Spectroscopy and chromatography techniques are often expensive, time-consuming, and require non-portable instrumentation. This highlights the need for innovative, cost-effective, and sustainable monitoring technologies.
This Special Issue, entitled “Green Electrochemical Sensors for Trace Heavy Metal Detection”, aims to bridge the gap between advanced electroanalytical techniques and environmental sustainability. We focus on the development and application of biopolymer- and biodegradable polymer-based sensors, offering an eco-friendly alternative to conventional synthetic materials. By integrating naturally derived, biodegradable, and functionalizable materials (for example, alginate, gelatin, polylactic acid, polycaprolactone, and polylactic-co-glycolic acid) into sensor technology, this Special Issue explores innovative solutions that enhance sensor sensitivity, selectivity, and environmental compatibility.
Key topics include, but are not limited to, the following:
- Green electrode materials: Functionalized biopolymers, conducting polymer composites, and biodegradable nanomaterials for electrochemical sensor development.
- Sustainable fabrication techniques: Electrochemical polymerization, layer-by-layer assembly, and 3D printing approaches for eco-friendly sensor production.
- Enhanced electroanalytical performance: Strategies to improve the detection limits, stability, and selectivity of biopolymer-based sensors.
- Multi-metal detection and real-world applications: Development of sensors for the simultaneous detection of multiple heavy metals in water, soil, and biological matrices.
- Integration with emerging technologies: Smart sensing platforms, miniaturized portable devices, and AI-driven data analysis for real-time environmental monitoring.
- Circular economy and environmental impact: Assessing the lifecycle, sustainability, and disposal strategies of biodegradable electrochemical sensors.
This Special Issue invites original research and comprehensive reviews on cutting-edge advancements in green electrochemical sensor technology, addressing critical needs in environmental monitoring and public health protection. By fostering a sustainable and high-performance approach, this collection aims to shape the future of electrochemical sensing, aligning with global efforts toward greener analytical methods.
Dr. Matjaž Finšgar
Dr. Barbara Rajh
Guest Editors
Manuscript Submission Information
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Keywords
- biopolymers
- biodegradable polymers
- electrochemical sensors
- electroanalysis
- heavy metals in traces
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