| 摘要 |
A sensor (10) for sensing nitric oxide includes a chamber (30) attached in fluid communication with a flow line (18), e.g., a ventilation line containing a gas mixture, and an optically transparent element (40) including a sensing compound, e.g., an organometallic compound, that reacts with nitric oxide located within the chamber. The chamber is configured to permit transmission of light through the element. A detector (44) can measure a change in optical character of the optically transparent element and convert the change into a measurement of the presence or concentration of nitric oxide in the gas mixture. The optically transparent element can be in the form of a film, gel, or liquid.
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