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Electrospun Composite Nanofibers: Sensing and Biosensing Applications
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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: closed (15 February 2025) | Viewed by 9545

Special Issue Editors

Prof. Dr. Ick-Soo Kim

E-Mail Website
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
Dr. Gopiraman Mayakrishnan

E-Mail Website
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
Dr. Vanaraj Ramkumar

E-Mail Website
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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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electrospinning
  • nanofibers
  • nanocomposites
  • sensing
  • biosensing

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Published Papers (5 papers)

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Research

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13 pages, 6919 KiB  
Article
Exploring the Synergistic Effects of MoS2 and PVDF for Advanced Piezoelectric Sensors: A First-Principles Approach
by Rui Li, Juqi Wang, Aolin Li, Quanbin Ma, Shi Feng, Bo Ran and Lingling Zhang
Sensors 2025, 25(7), 2085; https://doi.org/10.3390/s25072085 - 26 Mar 2025
Viewed by 358
Abstract
Flexible wearable electronic devices have found widespread applications in health monitoring and human–machine interaction. Piezoelectric sensors, capable of converting mechanical stress into electrical signals, serve as critical components in these systems. In this study, we enhanced the piezoelectric performance of PVDF-based composite materials [...] Read more.
Flexible wearable electronic devices have found widespread applications in health monitoring and human–machine interaction. Piezoelectric sensors, capable of converting mechanical stress into electrical signals, serve as critical components in these systems. In this study, we enhanced the piezoelectric performance of PVDF-based composite materials through MoS2 incorporation. Experimental results demonstrated that MoS2 addition effectively increased the β-phase content in PVDF, achieving a maximum value of 70.0% at an optimal MoS2 concentration of 0.75 wt%. Density functional theory (DFT) calculations revealed that while β-phase PVDF possesses slightly higher energy than other phases, it exhibits stronger adsorption interactions and enhanced charge transfer with MoS2, thereby promoting β-phase formation. The fabricated MoS2/PVDF composite nanofiber film maintained stable voltage output under repeated mechanical stress through 2000 operational cycles. When implemented as a body-mounted sensor, the composite material demonstrated exceptional responsiveness to human motions, confirming its practical potential for wearable electronics applications. Full article
(This article belongs to the Special Issue Electrospun Composite Nanofibers: Sensing and Biosensing Applications)
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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
Cited by 6 | Viewed by 1309
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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18 pages, 4825 KiB  
Review
Recent Advances in Polysaccharide-Based Electrospun Nanofibers for Food Safety Detection
by Jie Shi, Junjie Tang, Mengfei Zhang, Yingqi Zou, Jie Pang and Chunhua Wu
Sensors 2025, 25(7), 2220; https://doi.org/10.3390/s25072220 - 1 Apr 2025
Viewed by 481
Abstract
The continuous advancement of food safety analytical technologies is ensuring food safety and regulatory compliance. Electrospinning, a versatile fabrication platform, has emerged as a transformative methodology in materials science due to its unique capacity to generate nanoscale fibrous architectures with tunable morphologies. When [...] Read more.
The continuous advancement of food safety analytical technologies is ensuring food safety and regulatory compliance. Electrospinning, a versatile fabrication platform, has emerged as a transformative methodology in materials science due to its unique capacity to generate nanoscale fibrous architectures with tunable morphologies. When combined with the inherent biodegradability and biocompatibility of polysaccharides, electrospun polysaccharide nanofibers are positioning themselves as crucial components in innovative applications in the fields of food science. This review systematically elucidates the fundamental principles and operational parameters governing electrospinning processes, with particular emphasis on polysaccharide-specific fiber formation mechanisms. Furthermore, it provides a critical analysis of state-of-the-art applications involving representative polysaccharide nanofibers (e.g., starch, chitosan, cellulose, sodium alginate, and others) in food safety detection, highlighting their innovative application in livestock (chicken, pork, beef), aquatic (yellow croaker, Penaeus vannamei, Plectorhynchus cinctus), fruit and vegetable (olive, peanut, coffee), and dairy (milk) products. The synthesis of current findings not only validates the unique advantages of polysaccharide nanofibers but also establishes new paradigms for advancing rapid, sustainable, and intelligent food safety technologies. This work further proposes a roadmap for translating laboratory innovations into industrial-scale applications while addressing existing technological bottlenecks. Full article
(This article belongs to the Special Issue Electrospun Composite Nanofibers: Sensing and Biosensing Applications)
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29 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 11 | Viewed by 3806
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 4 | Viewed by 2870
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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