Nitric oxide detector

Details Nitric oxide detector Nitric oxide detector

1998-03-09

2000-08-08

Soderquist, Arlen

Chemistry: analytical and immunological testing

Nitrogen containing

Oxides of nitrogen

422 81, 422 82, 422 83, 422 88, 422 91, 435 4, 436106, 436117, 436118, 436172, 436175, 436177, 436178, G01N 3300

Patent

active

061000965

ABSTRACT:
A detector for detecting and measuring nitric oxide. Gas-permeable capillary membrane fibers transport a reagent solution through a plenum containing gases to be measured. Nitric oxide molecules penetrate the walls of the fibers and undergo a chemiluminescent reaction within. The fibers and the plenum are translucent, allowing photons emitted by the chemiluminescent reaction to escape and be detected by a photodetector. The reagent is buffered at an alkaline pH and mixed with the enzyme carbonic anhydrase to minimize the measurement errors caused by the presence of carbon dioxide in the gas to be measured.

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