WFRF:(Rius J.)
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- Guinovart, Tomas (author)
Potentiometric sensors using cotton yarns, carbon nanotubes and polymeric membranes
- Article/chapterEnglish2013
Publisher, publication year, extent ...
- Royal Society of Chemistry,2013
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-206911
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-206911URI
- https://doi.org/10.1039/c3an00710cDOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20170516
- A simple and generalized approach to build electrochemical sensors for wearable devices is presented. Commercial cotton yarns are first turned into electrical conductors through a simple dyeing process using a carbon nanotube ink. These conductive yarns are then partially coated with a suitable polymeric membrane to build ion-selective electrodes. Potentiometric measurements using these yarn-potentiometric sensors are demonstrated. Examples of yarns that can sense pH, K+ and NH4+ are presented. In all cases, these sensing yarns show limits of detection and linear ranges that are similar to those obtained with lab-made solid-state ion-selective electrodes. Through the immobilization of these sensors in a band-aid, it is shown that this approach could be easily implemented in a wearable device. Factors affecting the performance of the sensors and future potential applications are discussed.
Subject headings and genre
- NATURVETENSKAP Kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences hsv//eng
Added entries (persons, corporate bodies, meetings, titles ...)
- Parrilla, Marc (author)
- Crespo, Gaston A.,1980- (author)
- Rius, F. Xavier (author)
- Andrade, Francisco J. (author)
Related titles
- In:The Analyst: Royal Society of Chemistry138:18, s. 5208-52150003-26541364-5528
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- Royal Institute of Technology
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