PDMAA hydrogel coated U-bend humidity sensor suited for mass-production

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Kelb, C.; Körner, M.; Prucker, O.; Rühe, J.; Reithmeier, E.; Roth, B.: PDMAA hydrogel coated U-bend humidity sensor suited for mass-production. In: Sensors (Switzerland) 17 (2017), Nr. 3, 517. DOI: https://doi.org/10.3390/s17030517

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We present a full-polymer respiratory monitoring device suited for application in environments with strong magnetic fields (e.g., during an MRI measurement). The sensor is based on the well-known evanescent field method and consists of a 1 mm plastic optical fiber with a bent region where the cladding is removed and the fiber is coated with poly-dimethylacrylamide (PDMAA). The combination of materials allows for a mass-production of the device by spray-coating and enables integration in disposable medical devices like oxygen masks, which we demonstrate here. We also present results of the application of an autocorrelation-based algorithm for respiratory frequency determination that is relevant for real applications of the device.
License of this version: CC BY 4.0 Unported
Document Type: Text
Publishing status: publishedVersion
Issue Date: 2017
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
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1 image of flag of Germany Germany 150 95.54%
2 image of flag of United States United States 2 1.27%
3 image of flag of Argentina Argentina 2 1.27%
4 image of flag of Turkey Turkey 1 0.64%
5 image of flag of Korea, Republic of Korea, Republic of 1 0.64%
6 image of flag of United Arab Emirates United Arab Emirates 1 0.64%

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