{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T16:52:35Z","timestamp":1774975955661,"version":"3.50.1"},"reference-count":164,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2024,7,24]],"date-time":"2024-07-24T00:00:00Z","timestamp":1721779200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Key Project of Research and Development in Hainan Province","award":["ZDYF2023GXJS159"],"award-info":[{"award-number":["ZDYF2023GXJS159"]}]},{"name":"Key Project of Research and Development in Hainan Province","award":["222MS008"],"award-info":[{"award-number":["222MS008"]}]},{"name":"Key Project of Research and Development in Hainan Province","award":["Hnky2020-1"],"award-info":[{"award-number":["Hnky2020-1"]}]},{"name":"Natural Science Foundation of Hainan Province","award":["ZDYF2023GXJS159"],"award-info":[{"award-number":["ZDYF2023GXJS159"]}]},{"name":"Natural Science Foundation of Hainan Province","award":["222MS008"],"award-info":[{"award-number":["222MS008"]}]},{"name":"Natural Science Foundation of Hainan Province","award":["Hnky2020-1"],"award-info":[{"award-number":["Hnky2020-1"]}]},{"name":"Education Department of Hainan Province","award":["ZDYF2023GXJS159"],"award-info":[{"award-number":["ZDYF2023GXJS159"]}]},{"name":"Education Department of Hainan Province","award":["222MS008"],"award-info":[{"award-number":["222MS008"]}]},{"name":"Education Department of Hainan Province","award":["Hnky2020-1"],"award-info":[{"award-number":["Hnky2020-1"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Over recent years, thermoplastic polyurethane (TPU) has been widely used as a substrate material for flexible strain sensors due to its remarkable mechanical flexibility and the ease of combining various conductive materials by electrospinning. Many research advances have been made in the preparation of flexible strain sensors with better ductility, higher sensitivity, and wider sensing range by using TPU in combination with various conductive materials through electrospinning. However, there is a lack of reviews that provide a systematic and comprehensive summary and outlook of recent research advances in this area. In this review paper, the working principles of strain sensors and electrospinning technology are initially described. Subsequently, recent advances in strain sensors based on electrospun TPU are tracked and discussed, with a focus on the incorporation of various conductive fillers such as carbonaceous materials, MXene, metallic materials, and conductive polymers. Moreover, the wide range of applications of electrospun TPU flexible strain sensors is thoroughly discussed. Finally, the future prospects and challenges of electrospun TPU flexible strain sensors in various fields are pointed out.<\/jats:p>","DOI":"10.3390\/s24154793","type":"journal-article","created":{"date-parts":[[2024,7,24]],"date-time":"2024-07-24T10:46:20Z","timestamp":1721817980000},"page":"4793","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":41,"title":["Flexible Strain Sensors Based on Thermoplastic Polyurethane Fabricated by Electrospinning: A Review"],"prefix":"10.3390","volume":"24","author":[{"given":"Zhiyuan","family":"Zhou","sequence":"first","affiliation":[{"name":"School of Tropical Agriculture and Forestry, Hainan University, Danzhou 571799, China"}]},{"given":"Weirui","family":"Tang","sequence":"additional","affiliation":[{"name":"School of Tropical Agriculture and Forestry, Hainan University, Danzhou 571799, China"}]},{"given":"Teer","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Tropical Agriculture and Forestry, Hainan University, Danzhou 571799, China"}]},{"given":"Wuyang","family":"Zhao","sequence":"additional","affiliation":[{"name":"School of Tropical Agriculture and Forestry, Hainan University, Danzhou 571799, China"}]},{"given":"Jingjing","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Tropical Agriculture and Forestry, Hainan University, Danzhou 571799, China"}]},{"given":"Chuanwu","family":"Bai","sequence":"additional","affiliation":[{"name":"School of Tropical Agriculture and Forestry, Hainan University, Danzhou 571799, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"5211","DOI":"10.1021\/acsnano.2c12606","article-title":"Technology Roadmap for Flexible Sensors","volume":"17","author":"Luo","year":"2023","journal-title":"ACS Nano"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1795","DOI":"10.1039\/D0TA10990H","article-title":"A highly stretchable strain sensor with both an ultralow detection limit and an ultrawide sensing range","volume":"9","author":"Li","year":"2021","journal-title":"J. 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