https://scholars.lib.ntu.edu.tw/handle/123456789/598284
Title: | Direct printed silver nanowire strain sensor for early extravasation detection | Authors: | Lu H.-C Liao Y.-C. YING-CHIH LIAO |
Keywords: | Extravasation detection;Nanowire alignment;Percolation theory;Wearable sensor | Issue Date: | 2021 | Journal Volume: | 11 | Journal Issue: | 10 | Source: | Nanomaterials | Abstract: | In this study, we presented a wearable sensor patch for the early detection of extravasation by using a simple, direct printing process. Silver nanowire (AgNW) ink was first formulated to pro-vide necessary rheological properties to print patterns on flexible plastic sheets. By adjusting printing parameters, alignments of AgNWs in the printed patterns were controlled to enhance the resistance change under stretching conditions. A resistive strain-sensing device was then fabricated by printing patterned electrodes on a stretchable film for skin attachment. The designed sensor pattern was able to detect forces from a specific direction from the resistance change. Moreover, the sensor showed excellent sensitivity (gauge factor (GF) = 100 at 50% strain) and could be printed in small dimensions. Sensors of millimeter size were printed in an array and were used for multiple detection points in a large area to detect extravasation at small volumes (<0.5 mL) at accurate bump location. ? 2021 by the authors. Licensee MDPI, Basel, Switzerland. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85116029960&doi=10.3390%2fnano11102583&partnerID=40&md5=16f9fc6f98d8b07752ddab3151731e65 https://scholars.lib.ntu.edu.tw/handle/123456789/598284 |
ISSN: | 20794991 | DOI: | 10.3390/nano11102583 |
Appears in Collections: | 化學工程學系 |
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