Electromechanical Impedance Response in CMUT-Based Gas Sensors Exposed to Volatile Organic Compounds.

Sensors (Basel) · 2026 · PMC13119748 · PMID 42076612

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an obvious trendno p-value reported

Also, within humid conditions, there is no longer an obvious trend in the frequency shift readings.

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a positive trendno p-value reported

While a positive trend of the resonance frequency shift was observed within the dry environment (20% RH), increasing humidity to 50% induced the similarity of the readings to the acetone-like pattern with increased resonance frequency shift and noticeable negative trends over time.

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