Chemistry: analytical and immunological testing – Optical result – With fluorescence or luminescence
Patent
1998-05-04
2000-04-18
Snay, Jeffrey
Chemistry: analytical and immunological testing
Optical result
With fluorescence or luminescence
422 8205, 422 8208, G01N 2164
Patent
active
06051437&
ABSTRACT:
Optical chemical probes have layers of anionic and cationic polyelectrolytes and one or more dyes incorporated into these layers. The probes are placed into the medium and the dye or dyes react in the presence of the corresponding chemical. Color changes may be observed manually or by a photo detector. A light source may be employed to increase the optical signal received from the probe. Further, a waveguide may be used to trap multiple optical signals. The invention is used for chemical analysis.
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Churchill Russell J.
Groger Howard P.
Lo K. Peter
Luo Shufang
American Research Corporation of Virginia
Creighton Wray James
Narasimhan Meera P.
Snay Jeffrey
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