Implementation of multichannel sensors for remote biomedical measurements in a microsystems format

Johannessen, E.A. et al. (2004) Implementation of multichannel sensors for remote biomedical measurements in a microsystems format. IEEE Transactions on Biomedical Engineering, 51, pp. 525-535. (doi:10.1109/TBME.2003.820370)

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Abstract

A novel microelectronic "pill" has been developed for in situ studies of the gastro-intestinal tract, combining microsensors and integrated circuits with system-level integration technology. The measurement parameters include real-time remote recording of temperature, pH, conductivity, and dissolved oxygen. The unit comprises an outer biocompatible capsule encasing four microsensors, a control chip, a discrete component radio transmitter, and two silver oxide cells (the latter providing an operating time of 40 h at the rated power consumption of 12.1 mW). The sensors were fabricated on two separate silicon chips located at the front end of the capsule. The robust nature of the pill makes it adaptable for use in a variety of environments related to biomedical and industrial applications.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cumming, Professor David and Beaumont, Professor Steve and Cooper, Professor Jonathan
Authors: Johannessen, E.A., Wang, L., Cui, L., Tang, T.B., Ahmadian, M., Astaras, A., Reid, S.W.J., Murray, A.F., Flynn, B.W., Beaumont, S.P., Cumming, D.R.S., and Cooper, J.M.
Subjects:R Medicine > R Medicine (General)
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Engineering > Biomedical Engineering
Journal Name:IEEE Transactions on Biomedical Engineering
ISSN:0018-9294

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