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Potentiometric sens...
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Guinovart, Tomas
(författare)
Potentiometric sensors using cotton yarns, carbon nanotubes and polymeric membranes
- Artikel/kapitelEngelska2013
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Royal Society of Chemistry,2013
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LIBRIS-ID:oai:DiVA.org:kth-206911
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-206911URI
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https://doi.org/10.1039/c3an00710cDOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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QC 20170516
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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.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Parrilla, Marc
(författare)
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Crespo, Gaston A.,1980-
(författare)
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Rius, F. Xavier
(författare)
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Andrade, Francisco J.
(författare)
Sammanhörande titlar
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Ingår i:The Analyst: Royal Society of Chemistry138:18, s. 5208-52150003-26541364-5528
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