Chemosensors Based on Advanced Materials for Environmental Detection and Monitoring

A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Applied Chemical Sensors".

Deadline for manuscript submissions: 28 August 2025 | Viewed by 2466

Special Issue Editors


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Guest Editor
Faculty of Materials Engineering and Mechanics, Valahia University of Targoviste, 13 Aleea Sinaia Street, 130004 Targoviste, Romania
Interests: composites; biomaterials; nanomaterials; materials for sensors applications; eco-friendly materials; sensors; microfluidic devices; single cell or particle manipulation; powder metallurgy; nanofabrications techniques

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Guest Editor
1. Electrical Engineering and Computer Science, University of California Davis, Davis, CA 95616, USA
2. Faculty of Material Sciences and Engineering, Politehnica University of Bucharest, 060042 Bucharest, Romania
Interests: nanomaterials; nanostructured composites; nanofabrication; nanomaterial integration; materials engineering; thin films and nanotechnology; surface characterization; electrodeposition; electrochemistry; nanoscience
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Special Issue Information

Dear Colleagues,

To protect global ecosystems and support health and well-being at present and in the future, the international scientific communities are focused on finding efficient solutions for monitoring and reducing pollution sources, developing advanced materials (composites, nanomaterials, nanopowders, wide bandgap oxide-materials, etc.) and nanotechnologies, exploiting micro/nanodevice fabrication, and integrating various processes into clean technologies. For example, wide bandgap materials can empower a number of nanodevices and nanosensors that can be used in several technologies. These materials offer superior electrical, optical, mechanical, and chemical properties. Therefore, research interest has obtained recognition among wide bandgap materials. From an economic and safety standpoint, these industries need components operating in extreme conditions and sustainable environmental applications. Hence, scientists are invested in developing new nanomaterials for a sustainable environment that can work with high performance and is applicable for high-scale production at an effective cost with minimum harmful effects to the environment.

This Special Issue aims to highlight the latest developments, emerging challenges, and innovative applications in the development of novel materials, exploitation of micro/nanodevice fabrication, integration of various processes and/or use of analytical methods and applications in different fields such as food, environmental monitoring, medicine, pharmacy, industry, or agriculture in order to reduce the knowledge gap between materials and systems designs and improve the existing technologies.

Potential topics include, but are not limited to, the following:

  • Microfluidic devices and microfluidics-integrated sensors for compounds analysis and detection;
  • Materials for sensors applications in the detection of toxins or waste from soil/air/waters;
  • Materials used in microfluidics for chemical sensing;
  • Chemical assay and validation;
  • Electrochemical devices and sensors;
  • Optical/electrochemical (nano) biosensors;
  • Nanotechnology-based chemosensors for monitoring trace metal ions;
  • Advanced manufacturing for microfluidics-based chemosensors using sustainable processes and materials;
  • Materials for chemical sensing;
  • Nano- and microtechnologies;
  • Chemical assay and validation;
  • Lab-on-a-chip;
  • Single-molecule sensing.

Dr. Ileana Nicoleta Popescu
Dr. Ruxandra Vidu
Guest Editors

Manuscript Submission Information

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Keywords

  • compounds analysis and detection
  • chemosensors
  • (nano)sensors
  • nanotechnology
  • composites
  • nanomaterials
  • nanostructure array
  • bandgap materials
  • micro/nanodevice fabrication

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Published Papers (1 paper)

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Research

12 pages, 2358 KiB  
Article
Cellulose-Based SERS Substrate for Vapor-Phase Thiol Detection with PCA for Enhanced Chemical Selectivity
by Ba-Thong Trinh, Sy Khiem Nguyen, Dayeon Kim, Huu-Quang Nguyen, Jaebeom Lee, Youngku Sohn and Ilsun Yoon
Chemosensors 2025, 13(3), 101; https://doi.org/10.3390/chemosensors13030101 - 10 Mar 2025
Viewed by 1032
Abstract
In this work, we present a low-cost, label-free cellulose-based paper SERS (Surface-Enhanced Raman Scattering) substrate for the sensitive detection of thiol compounds. Uniform silver nanoparticles (AgNPs) were synthesized on cellulose filter paper via in situ reduction of a silver precursor under UVC irradiation, [...] Read more.
In this work, we present a low-cost, label-free cellulose-based paper SERS (Surface-Enhanced Raman Scattering) substrate for the sensitive detection of thiol compounds. Uniform silver nanoparticles (AgNPs) were synthesized on cellulose filter paper via in situ reduction of a silver precursor under UVC irradiation, achieving a high SERS enhancement factor of 8.5 × 106. The Ag-cellulose substrate demonstrated reliable detection of benzenethiol, capturing its characteristic SERS signals with remarkable sensitivity. Quantitative analysis was enabled by adjusting exposure times for accurate calibration. Furthermore, Principal Component Analysis (PCA) was successfully employed to distinguish mixed samples of benzenethiol, hexanethiol, and propanethiol, showcasing the substrate’s capability in separating complex mixtures. This cellulose-based AgNP platform offers a sustainable, cost-effective solution for rapid chemical detection, with significant potential for real-world applications such as environmental monitoring and food safety. Full article
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