Luminescence-optical method and sensor layer for quantitative de

Details Luminescence-optical method and sensor layer for quantitative de Luminescence-optical method and sensor layer for quantitative de

1999-03-29

2000-04-04

Gulakowski, Randy

Chemistry: analytical and immunological testing

Optical result

With fluorescence or luminescence

422 8207, 422 58, 422 8208, G01N 2176, G01N 2164

Patent

active

060460555

ABSTRACT:
In a sensor layer for quantitative determination of at least one chemical component in a gaseous or liquid sample medium containing a chromophore which is directly or indirectly responsive to the component being determined by changing its absorption spectrum, and a luminophore which is not responsive to the component being determined, where there is an at least partial overlap between the emission spectrum of the luminophore and the absorption spectrum of the chromophore, and where the energy transfer between luminophore and chromophore produces a measurable change in at least one luminescence characteristic of the luminophore, the luminophore L and the chromophore .GAMMA. are ionic substances with differing electrical charges, which are incorporated in a matrix material that is permeable to the chemical component being determined.

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