Chemistry: analytical and immunological testing – Oxygen containing – Molecular oxygen
Patent
1989-09-18
1990-11-06
Simmons, David
Chemistry: analytical and immunological testing
Oxygen containing
Molecular oxygen
436172, 422 52, 422 91, 2504591, G01N 3316
Patent
active
049686321
ABSTRACT:
A method and apparatus for rapid analysis of a sample medium, particularly a flowing sample medium employ light of a defined wavelength which is guided onto a luminescent layer in contact with the sample medium, the luminescent properties of the layer varying in dependence upon characteristics of the sample medium which are to be analyzed. The luminescent light is monitored by detectors, the detector signals being a measure for the characteristic of interest. For undertaking identification of a particular characteristic with very short follow-up time, even in the presence of a number of other characteristics which influence the luminescent properties, the luminescent intensity is identified for a number of different wavelength regions corresponding in number to the number of characteristics, each characteristic differently influencing the luminescent properties in at least one wavelength region. The signals thus obtained are supplied to a processing device for identifying the value of the characteristic of interest.
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Fluoroptic Thermometry: Temperature Sensing Using Optical Fibers, Alves et al, Advances in Instrumentation, vol. 38, Oct. 198'pp. 925-932.
Brauer Stefan
Johansson Jan
Nilsson Jan-Ove
Olsson Sven G.
Johnson Lori
Siemens Aktiengesellschaft
Simmons David
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