Fabrication of a Screen-Printed E-Textile Interdigitated Capacitive Sensor for Measuring Stratum Corneum Hydration †
Fabrication of a Screen-Printed E-Textile Interdigitated Capacitive Sensor for Measuring Stratum Corneum Hydration †
This work describes the fabrication and testing of an interdigitated capacitive sensor, embedded in a wearable e-textile for non-invasive in vivo monitoring. The sensor is sensitive to moisture changes within the stratum corneum layer (SC) of the skin. Testing is conducted by measuring the hydration state of the skin before and after the application of moisturizing agents to the SC, and the readings are mapped to a commercial gold standard measurement of skin hydration using the Corneometer®. The results confirm that the interdigitated sensor can accurately detect the change in the hydration state of the SC with a sensitivity of 1.29 pF per arbitrary units of hydration.
flexible wearable sensor, interdigitated sensor, on-body monitoring, screen printing, stratum corneum hydration
Todorov, Alexandar R.
fb7e0973-0830-40c5-bccb-63ea61712e1f
Torah, Russel
7147b47b-db01-4124-95dc-90d6a9842688
Ardern-Jones, Michael
120b9661-4222-4cdf-b021-eba38ab8bbf3
Beeby, Stephen
ba565001-2812-4300-89f1-fe5a437ecb0d
11 January 2024
Todorov, Alexandar R.
fb7e0973-0830-40c5-bccb-63ea61712e1f
Torah, Russel
7147b47b-db01-4124-95dc-90d6a9842688
Ardern-Jones, Michael
120b9661-4222-4cdf-b021-eba38ab8bbf3
Beeby, Stephen
ba565001-2812-4300-89f1-fe5a437ecb0d
Todorov, Alexandar R., Torah, Russel, Ardern-Jones, Michael and Beeby, Stephen
(2024)
Fabrication of a Screen-Printed E-Textile Interdigitated Capacitive Sensor for Measuring Stratum Corneum Hydration †.
Engineering Proceedings, 52 (1), [1].
(doi:10.3390/engproc2023052001).
Abstract
This work describes the fabrication and testing of an interdigitated capacitive sensor, embedded in a wearable e-textile for non-invasive in vivo monitoring. The sensor is sensitive to moisture changes within the stratum corneum layer (SC) of the skin. Testing is conducted by measuring the hydration state of the skin before and after the application of moisturizing agents to the SC, and the readings are mapped to a commercial gold standard measurement of skin hydration using the Corneometer®. The results confirm that the interdigitated sensor can accurately detect the change in the hydration state of the SC with a sensitivity of 1.29 pF per arbitrary units of hydration.
Text
engproc-52-00001
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Published date: 11 January 2024
Keywords:
flexible wearable sensor, interdigitated sensor, on-body monitoring, screen printing, stratum corneum hydration
Identifiers
Local EPrints ID: 499403
URI: http://eprints.soton.ac.uk/id/eprint/499403
ISSN: 2673-4591
PURE UUID: 9a773b52-73a5-46e6-a510-fba706f89064
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Date deposited: 18 Mar 2025 18:06
Last modified: 22 Aug 2025 02:33
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