Gas-Sensing Properties of Nanostructured Materials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: 20 July 2024 | Viewed by 871

Special Issue Editors


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Guest Editor
Ningbo Innovation Center, Zhejiang University, Hangzhou 310027, China
Interests: electrochemical biosensors; biosensors; wearable sensors
Special Issues, Collections and Topics in MDPI journals

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Guest Editor Assistant
Ningbo Innovative Center, Zhejiang University, Ningbo 315100, China
Interests: biosensors; nanomaterials; stretchable sensors; biocatalysts; self-power technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue titled “Gas-Sensing Properties of Nanostructured Materials” explores the unique abilities of nanostructures in detecting gases. Nanostructured materials, due to their increased surface area and altered electronic properties at the nanoscale, exhibit enhanced gas-sensing characteristics compared to bulk materials. These nanomaterials, often composed of metals, metal oxides, or carbon-based substances, interact differently with various gases, leading to changes in electrical, optical, or mass-related properties. This alteration allows for the sensitive and selective detection of target gases, crucial in environmental monitoring, industrial safety, and medical diagnostics. Researchers are investigating the fabrication techniques and mechanisms underlying gas-sensing behavior to optimize sensor performance. Tailoring nanostructures’ size, morphology, and composition enables the customization of sensors for specific gas detection requirements. Understanding these properties will contribute to advancing gas-sensing technologies for diverse applications, offering more efficient, sensitive, and reliable detection methodologies.

Prof. Dr. Sheng Zhang
Guest Editor

Dr. Qianqian Wang
Guest Editor Assistant

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Keywords

  • nanomaterials
  • gas sensors
  • sensor technology
  • surface modification
  • nano-structure

Published Papers (1 paper)

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Review

30 pages, 6699 KiB  
Review
Innovative Material-Based Wearable Non-Invasive Electrochemical Sweat Sensors towards Biomedical Applications
by Sheng Zhang, Zhaotao He, Wenjie Zhao, Chen Liu, Shulan Zhou, Oresegun Olakunle Ibrahim, Chunge Wang and Qianqian Wang
Nanomaterials 2024, 14(10), 857; https://doi.org/10.3390/nano14100857 - 14 May 2024
Viewed by 662
Abstract
Sweat is an accessible biofluid that provides useful physiological information about the body’s biomolecular state and systemic health. Wearable sensors possess various advantageous features, such as lightweight design, wireless connectivity, and compatibility with human skin, that make them suitable for continuous monitoring. Wearable [...] Read more.
Sweat is an accessible biofluid that provides useful physiological information about the body’s biomolecular state and systemic health. Wearable sensors possess various advantageous features, such as lightweight design, wireless connectivity, and compatibility with human skin, that make them suitable for continuous monitoring. Wearable electrochemical sweat sensors can diagnose diseases and monitor health conditions by detecting biomedical signal changes in sweat. This paper discusses the state-of-the-art research in the field of wearable sweat sensors and the materials used in their construction. It covers biomarkers present in sweat, sensing modalities, techniques for sweat collection, and ways to power these sensors. Innovative materials are categorized into three subcategories: sweat collection, sweat detection, and self-powering. These include substrates for sensor fabrication, analyte detection electrodes, absorbent patches, microfluidic devices, and self-powered devices. This paper concludes by forecasting future research trends and prospects in material-based wearable non-invasive sweat sensors. Full article
(This article belongs to the Special Issue Gas-Sensing Properties of Nanostructured Materials)
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