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FIBER OPTIC OXYGEN SENSOR
Peterson, John I. Stefansson, Einar
Peterson, John I.
Stefansson, Einar
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Issue Date
1987
Submitted date
2023-08-30
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Abstract
In 1978 work was begun on development of a fiber optic oxygen partial pressure sensor for physiological application. Originally a search was made for an optical absorption indicator, but since one with suitable stability could not be found, a sensor was developed based on the fluorescence quenching principles demonstrated by Kautsky and Hirsch. The original sensor, based on a dye adsorbed on a hydrophobic support enclosed in a porous envelope, has been further developed into a needle form for physiological research applications. Instrumentation to use the sensor has followed an evolutionary path. The principal problem has been to obtain low drift and good stability of the calibration. A computer operated instrument has just been completed, which is expected to be suitable for a variety of research applications. A series of experiments to measure PO, in dogs' eyes were done with a prototype instrument in comparison with a polarographic electrode, and future work on human subjects is planned with the new instrument. This requires operation of the sensor in a high ambient light level. The instrumentation and measurements will be described.
Citation
Biosensors International Workshop 1987, 235 - 241
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Type
Book chapter
conference paper
conference paper
Language
en
Description
Series/Report no.
GBF Monographs, Volume 10
ISSN
0930-4320
EISSN
ISBN
0-89573-683-7
3-527-26801-4
3-527-26801-4
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Attribution-NonCommercial-ShareAlike 4.0 International