Humidification type highly-sensitive/highly-selective ammonia detection method and detection device using nanomechanical sensor
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United States of America
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Oct 29, 2024
Grant Date -
Sep 15, 2022
app pub date -
May 8, 2020
filing date -
May 8, 2020
priority date (Note) -
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Abstract
An object of the present invention is to detect ammonia with high sensitivity and high selectivity using a nanomechanical sensor with a structure that is as simple as possible. A method for detecting ammonia according to an embodiment of the present invention comprises supplying a sample gas possibly containing ammonia to a nanomechanical sensor that detects a stress or a displacement using poly(methyl vinyl ether-alt-maleic anhydride) as a material of a receptor layer, and detecting presence or absence of ammonia or a content of ammonia in the sample gas based on an output signal from the nanomechanical sensor, in which the sample gas is a humidified sample gas with controlled relative humidity.
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