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Electrospun Composite Nanofibers: Sensing and Biosensing Applications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Materials".

Deadline for manuscript submissions: 15 February 2025 | Viewed by 5317

Special Issue Editors


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Guest Editor
Nano Fusion Technology Research Group, Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Tokida 3-15-1, Ueda, Nagano 386-8567, Japan
Interests: nanofibers; electrospinning; bio–medical; sensors; carbon materials; food packing; nanocatalysis; supercapacitor; drug delivery

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Guest Editor
Division of Molecules and Polymers, Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Tokida 3-15-1, Ueda, Nagano 386-8567, Japan
Interests: nanocatalysis; nanofibers; carbon materials; electrochemistry; green synthesis; nanocomposites; biomedical
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Materials Chemistry Laboratory, School of Chemical Engineering, Yeungnam University, Gyeonsan 38541, Republic of Korea
Interests: functional polymers; supercapacitor; bio-film applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrospun nanofibers produced via simple electrospinning technique have demonstrated vast interest in various fields due to its astonishing properties such as unique structure, high surface area and well-defined porosity. Its simple and controlled surface modification, incorporation of active species and easy handling are the key advantages that made the nanofibers a suitable candidate in various application such as catalysis, filters, sensors, energy and biomedicals. Recently, a growing interest in the potential use of electrospun composite nanofibers in sensing and biosensing applications. Some of the very importance electrospun composite nanofibers-based sensors are wearable biosensors, metal-ion sensors, drug molecules sensors, label-based and label-free biosensors, electrochemical sensors, etc. In this light, the aim of this Special Issue is to generate discussion on the latest advances in research on electrospun composite nanofibers-based sensing and biosensing applications.

Topics of interest include but are not limited to:

  • Sensing of Biomedically Relevant Molecules and Drugs;
  • Sensing and Biosensing;
  • Sensing of Metal Ions;
  • Colorimetric Sensors;
  • Fluorescence Sensors;
  • Optical Sensors;
  • Chemiresistive Sensors;
  • Amperometric Sensors;
  • Electrospun Nanofibers for Environmental Monitoring;
  • Gas Sensors;
  • Wearable Biosensors.

Prof. Dr. Ick-Soo Kim
Dr. Gopiraman Mayakrishnan
Dr. Vanaraj Ramkumar
Guest Editors

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Keywords

  • electrospinning
  • nanofibers
  • nanocomposites
  • sensing
  • biosensing

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Published Papers (3 papers)

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Research

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9 pages, 3864 KiB  
Communication
Photoelectric H2S Sensing Based on Electrospun Hollow CuO-SnO2 Nanotubes at Room Temperature
by Cheng Zou, Cheng Peng, Xiaopeng She, Mengqing Wang, Bo Peng and Yong Zhou
Sensors 2024, 24(19), 6420; https://doi.org/10.3390/s24196420 - 3 Oct 2024
Viewed by 798
Abstract
Pure tin oxide (SnO2) as a typical conductometric hydrogen sulfide (H2S) gas-sensing material always suffers from limited sensitivity, elevated operation temperature, and poor selectivity. To overcome these hindrances, in this work, hollow CuO-SnO2 nanotubes were successfully electrospun for [...] Read more.
Pure tin oxide (SnO2) as a typical conductometric hydrogen sulfide (H2S) gas-sensing material always suffers from limited sensitivity, elevated operation temperature, and poor selectivity. To overcome these hindrances, in this work, hollow CuO-SnO2 nanotubes were successfully electrospun for room-temperature (25 °C) trace H2S detection under blue light activation. Among all SnO2-based candidates, a pure SnO2 sensor showed no signal, even toward 10 ppm, while the 1% CuO-SnO2 sensor achieved a limit of detection (LoD) value of 2.5 ppm, a large response of 4.7, and a short response/recovery time of 21/61 s toward 10 ppm H2S, as well as nice repeatability, long-term stability, and selectivity. This excellent performance could be ascribed to the one-dimensional (1D) hollow nanostructure, abundant p-n heterojunctions, and the photoelectric effect of the CuO-SnO2 nanotubes. The proposed design strategies cater to the demanding requirements of high sensitivity and low power consumption in future application scenarios such as Internet of Things and smart optoelectronic systems. Full article
(This article belongs to the Special Issue Electrospun Composite Nanofibers: Sensing and Biosensing Applications)
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Review

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31 pages, 5116 KiB  
Review
Gas Sensors Based on Semiconductor Metal Oxides Fabricated by Electrospinning: A Review
by Hao Chen, Huayang Chen, Jiabao Chen and Mingxin Song
Sensors 2024, 24(10), 2962; https://doi.org/10.3390/s24102962 - 7 May 2024
Cited by 4 | Viewed by 1960
Abstract
Electrospinning has revolutionized the field of semiconductor metal oxide (SMO) gas sensors, which are pivotal for gas detection. SMOs are known for their high sensitivity, rapid responsiveness, and exceptional selectivity towards various types of gases. When synthesized via electrospinning, they gain unmatched advantages. [...] Read more.
Electrospinning has revolutionized the field of semiconductor metal oxide (SMO) gas sensors, which are pivotal for gas detection. SMOs are known for their high sensitivity, rapid responsiveness, and exceptional selectivity towards various types of gases. When synthesized via electrospinning, they gain unmatched advantages. These include high porosity, large specific surface areas, adjustable morphologies and compositions, and diverse structural designs, improving gas-sensing performance. This review explores the application of variously structured and composed SMOs prepared by electrospinning in gas sensors. It highlights strategies to augment gas-sensing performance, such as noble metal modification and doping with transition metals, rare earth elements, and metal cations, all contributing to heightened sensitivity and selectivity. We also look at the fabrication of composite SMOs with polymers or carbon nanofibers, which addresses the challenge of high operating temperatures. Furthermore, this review discusses the advantages of hierarchical and core-shell structures. The use of spinel and perovskite structures is also explored for their unique chemical compositions and crystal structure. These structures are useful for high sensitivity and selectivity towards specific gases. These methodologies emphasize the critical role of innovative material integration and structural design in achieving high-performance gas sensors, pointing toward future research directions in this rapidly evolving field. Full article
(This article belongs to the Special Issue Electrospun Composite Nanofibers: Sensing and Biosensing Applications)
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29 pages, 12357 KiB  
Review
A Review on Electrospun Nanofiber Composites for an Efficient Electrochemical Sensor Applications
by Ramkumar Vanaraj, Bharathi Arumugam, Gopiraman Mayakrishnan, Ick Soo Kim and Seong Cheol Kim
Sensors 2023, 23(15), 6705; https://doi.org/10.3390/s23156705 - 26 Jul 2023
Cited by 3 | Viewed by 2058
Abstract
The present review article discusses the elementary concepts of the sensor mechanism and various types of materials used for sensor applications. The electrospinning method is the most comfortable method to prepare the device-like structure by means of forming from the fiber structure. Though [...] Read more.
The present review article discusses the elementary concepts of the sensor mechanism and various types of materials used for sensor applications. The electrospinning method is the most comfortable method to prepare the device-like structure by means of forming from the fiber structure. Though there are various materials available for sensors, the important factor is to incorporate the functional group on the surface of the materials. The post-modification sanction enhances the efficiency of the sensor materials. This article also describes the various types of materials applied to chemical and biosensor applications. The chemical sensor parts include acetone, ethanol, ammonia, and CO2, H2O2, and NO2 molecules; meanwhile, the biosensor takes on glucose, uric acid, and cholesterol molecules. The above materials have to be sensed for a healthier lifestyle for humans and other living organisms. The prescribed review articles give a detailed report on the Electrospun materials for sensor applications. Full article
(This article belongs to the Special Issue Electrospun Composite Nanofibers: Sensing and Biosensing Applications)
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