A passive UHF RFID pH sensor (smart polymers for wireless medical sensing devices)
A passive UHF RFID pH sensor (smart polymers for wireless medical sensing devices)
- Author(s): A. Hillier ; V. Makarovaite ; S.J. Holder ; C.W. Gourlay ; J.C. Batchelor
- DOI: 10.1049/cp.2017.0260
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- Author(s): A. Hillier ; V. Makarovaite ; S.J. Holder ; C.W. Gourlay ; J.C. Batchelor Source: Loughborough Antennas & Propagation Conference (LAPC 2017), 2017 page (2 pp.)
- Conference: Loughborough Antennas & Propagation Conference (LAPC 2017)
- DOI: 10.1049/cp.2017.0260
- ISBN: 978-1-78561-699-0
- Location: Loughborough, UK
- Conference date: 13-14 Nov. 2017
- Format: PDF
A functionalised variant of polydimethylsiloxane (PDMS) was applicated atop an RFMicron RFM2100-AER UHF RFID tag and used in a series of depositions of pH buffer solutions, to observe changes in a sensor code generated by the tag. Averaged values of the sensor code data were used between 800-860MHz from 8-20dBm to compare pH buffers between 8.8 and 7.2 which consistently showed a significant degree of change in averaged sensor intensity readout. pH buffers outside the effective buffering range did not show a significant difference in averaged sensor code intensity.
Inspec keywords: polymers; chemical sensors; pH measurement; patient monitoring; radiofrequency identification
Subjects: Chemical variables measurement; Chemical sensors; Biomedical engineering; RFID systems; Chemical sensors; Microwaves and other electromagnetic waves (biomedical imaging/measurement); Microwaves and other electromagnetic waves (medical uses)
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