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Challenges, Opportunities, Innovations and Applications in Electronic Textiles: E-Textiles 2023

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

Deadline for manuscript submissions: closed (31 July 2024) | Viewed by 2382

Special Issue Editors


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Guest Editor
Centre for Microsystems Technology (CMST), Interuniversity Microelectronics Centre (IMEC), Ghent University, 9000 Ghent, Belgium
Interests: electronics; e-textiles; wearables

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Guest Editor
Centre for Microsystems Technology (CMST), Interuniversity Microelectronics Centre (IMEC), Ghent University, 9000 Ghent, Belgium
Interests: textiles; e-textiles; wearables

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Guest Editor
School of Electronics & Computer Science, University of Southampton, Southampton SO17 1BJ, UK
Interests: energy harvesting; smart fabrics; MEMS; sensor systems and smart materials

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Guest Editor
School of Electronics and Computer Science, University of Southampton, Southampton SO17 1BJ, UK
Interests: e-textiles; printed electronics; printed electrodes; functional electrical stimulation; electromyography; electrocardiography
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

E-Textiles 2023 is an annual conference that brings together researchers and developers from academia and industry interested in adding electronic and sensing functionality to textiles and their related products. The conference website is https://e-textilesconference.com/authors-abstracts/.

Authors of selected high-quality papers that fit the scope of Sensors from the conference will be invited to submit extended versions of their original papers (50% extension of the contents of the conference paper). In addition to the E-Textiles 2023 papers, other independent submissions are also welcome.

Dr. Frederick Bossuyt
Prof. Dr. Paula Veske
Prof. Dr. Steve Beeby
Dr. Russel Torah
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

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

  • electronic textiles
  • sensing and actuating
  • manufacturing and materials
  • reliability and sustainability
  • energy harvesting power supplies

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Published Papers (3 papers)

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Research

15 pages, 18228 KiB  
Article
Embroidered Interdigitated Electrodes (IDTs) with Wireless Readout for Continuous Biomarker Monitoring
by Emmy L. Amers, Bethany V. Orme, Yuyuan Shi, Hamdi Torun and Linzi E. Dodd
Sensors 2024, 24(14), 4643; https://doi.org/10.3390/s24144643 - 17 Jul 2024
Viewed by 420
Abstract
Non-invasive continuous health monitoring has become feasible with the advancement of biosensors. While monitoring certain biomarkers such as heart rate or skin temperature are now at a certain maturity, monitoring molecular biomarkers is still challenging. Progress has been shown in sampling, measurement, and [...] Read more.
Non-invasive continuous health monitoring has become feasible with the advancement of biosensors. While monitoring certain biomarkers such as heart rate or skin temperature are now at a certain maturity, monitoring molecular biomarkers is still challenging. Progress has been shown in sampling, measurement, and interpretation of data toward non-invasive molecular sensors that can be integrated into daily wearable items. Toward this goal, this paper explores the potential of embroidered interdigitated transducer (IDT)-based sensors for non-invasive, continuous monitoring of human biomarkers, particularly glucose levels, in human sweat. The study employs innovative embroidery techniques to create flexible fabric-based sensors with gold-coated IDTs. In controlled experiments, we have shown the variation of glucose concentration in water can be wirelessly detected by tracking the resonant frequency of the embroidered sensors. The current sensors operate at 1.8 GHz to 2 GHz and respond to the change in glucose concentration with a sensitivity of 0.17 MHz/(mg/dL). The embroidered IDT-based sensors with wireless sensing will be a new measurement modality for molecular wearable sensors. The establishment of a wireless sensing mechanism for embroidered IDT-based sensors will be followed by an investigation of sweat for molecular detection. This will require adding functionalities for sampling and interpretation of acquired data. We envisage the embroidered IDT-based sensors offer a unique approach for seamless integration into clothing, paving the way for personalised, continuous health data capture. Full article
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16 pages, 15074 KiB  
Article
Study of a Narrow Fabric-Based E-Textile System—From Research to Field Tests
by Paula Veske-Lepp, Bjorn Vandecasteele, Filip Thielemans, Vera De Glas, Severine Delaplace, Bart Allaert, Kurt Dewulf, Annick Depré and Frederick Bossuyt
Sensors 2024, 24(14), 4624; https://doi.org/10.3390/s24144624 - 17 Jul 2024
Viewed by 466
Abstract
Electronic textiles (e-textiles) are a branch of wearable technology based on integrating smart systems into textile materials creating different possibilities, transforming industries, and improving individuals’ quality of life. E-textiles hold vast potential, particularly for use in personal protective equipment (PPE) by embedding sensors [...] Read more.
Electronic textiles (e-textiles) are a branch of wearable technology based on integrating smart systems into textile materials creating different possibilities, transforming industries, and improving individuals’ quality of life. E-textiles hold vast potential, particularly for use in personal protective equipment (PPE) by embedding sensors and smart technologies into garments, thus significantly enhancing safety and performance. Although this branch of research has been active for several decades now, only a few products have made it to the market. Achieving durability, reliability, user acceptance, sustainability, and integration into current manufacturing processes remains challenging. High levels of reliability and user acceptance are critical for technical textiles, such as those used in PPE. While studies address washing reliability and field tests, they often overlook end user preferences regarding smart textiles. This paper presents a narrow fabric-based e-textile system co-developed by engineers, garment and textiles’ manufacturers, and firefighters. It highlights material choices and integration methods, and evaluates the system’s reliability, sustainability, and user experience, providing comprehensive insights into developing and analyzing e-textile products, particularly in the PPE field. Full article
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22 pages, 9975 KiB  
Article
Embroidery Triboelectric Nanogenerator for Energy Harvesting
by Hasan Riaz Tahir, Benny Malengier, Sanaul Sujan and Lieva Van Langenhove
Sensors 2024, 24(12), 3782; https://doi.org/10.3390/s24123782 - 11 Jun 2024
Viewed by 824
Abstract
Triboelectric nanogenerators (TENGs) are devices that efficiently transform mechanical energy into electrical energy by utilizing the triboelectric effect and electrostatic induction. Embroidery triboelectric nanogenerators (ETENGs) offer a distinct prospect to incorporate energy harvesting capabilities into textile-based products. This research work introduces an embroidered [...] Read more.
Triboelectric nanogenerators (TENGs) are devices that efficiently transform mechanical energy into electrical energy by utilizing the triboelectric effect and electrostatic induction. Embroidery triboelectric nanogenerators (ETENGs) offer a distinct prospect to incorporate energy harvesting capabilities into textile-based products. This research work introduces an embroidered triboelectric nanogenerator that is made using polyester and nylon 66 yarn. The ETENG is developed by using different embroidery parameters and its characteristics are obtained using a specialized tapping and friction device. Nine ETENGs were made, each with different stitch lengths and line spacings for the polyester yarn. Friction and tapping tests were performed to assess the electrical outputs, which included measurements of short circuit current, open circuit voltage, and capacitor charging. One sample wearable embroidered energy harvester collected 307.5 μJ (24.8 V) of energy under a 1.5 Hz sliding motion over 300 s and 72 μJ (12 V) of energy through human walking over 120 s. Another ETENG sample generated 4.5 μJ (3 V) into a 1 μF capacitor using a tapping device with a 2 Hz frequency and a 50 mm separation distance over a duration of 520 s. Measurement of the current was also performed at different pressures to check the effect of pressure and validate the different options of the triboelectric/electrostatic characterization device. In summary, this research explains the influence of embroidery parameters on the performance of ETENG (Embroidery Triboelectric Nanogenerator) and provides valuable information for energy harvesting applications. Full article
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