Chemical sensing flow probe

Details Chemical sensing flow probe Chemical sensing flow probe

1996-05-02

1999-02-16

Achutamurthy, Ponnathapura

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 55, 422 58, 422 681, 422 81, 422 8209, 422257, 436 52, 436164, G01N 2129, G01N 2131

Patent

active

058716980

ABSTRACT:
A new chemical probe determines the properties of an analyte using the light absorption of the products of a reagent/analyte reaction. The probe places a small reaction volume in contact with a large analyte volume. Analyte diffuses into the reaction volume. Reagent is selectively supplied to the reaction volume. The light absorption of the reaction in the reaction volume indicates properties of the original analyte. The probe is suitable for repeated use in remote or hostile environments. It does not require physical sampling of the analyte or result in significant regent contamination of the analyte reservoir.

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patent: 4837161 (1989-06-01), Stevens et al.
patent: 4920056 (1990-04-01), Dasgupta
patent: 5250263 (1993-10-01), Manz
patent: 5368725 (1994-11-01), Bredeweg et al.
patent: 5389524 (1995-02-01), Larsen et al.
patent: 5494640 (1996-02-01), Simon et al.

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