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- W4306149495 endingPage "871" @default.
- W4306149495 startingPage "871" @default.
- W4306149495 abstract "In the quest for effective gas sensors for breath analysis, magnetoelastic resonance-based gas sensors (MEGSs) are remarkable candidates. Thanks to their intrinsic contactless operation, they can be used as non-invasive and portable devices. However, traditional monitoring techniques are bound to slow detection, which hinders their application to fast bio-related reactions. Here we present a method for real-time monitoring of the resonance frequency, with a proof of concept for real-time monitoring of gaseous biomarkers based on resonance frequency. This method was validated with a MEGS based on a Metglass 2826 MB microribbon with a polyvinylpyrrolidone (PVP) nanofiber electrospun functionalization. The device provided a low-noise (RMS = 1.7 Hz), fast (<2 min), and highly reproducible response to humidity (Δf = 46−182 Hz for 17−95% RH), ammonia (Δf = 112 Hz for 40 ppm), and acetone (Δf = 44 Hz for 40 ppm). These analytes are highly important in biomedical applications, particularly ammonia and acetone, which are biomarkers related to diseases such as diabetes. Furthermore, the capability of distinguishing between breath and regular air was demonstrated with real breath measurements. The sensor also exhibited strong resistance to benzene, a common gaseous interferent in breath analysis." @default.
- W4306149495 created "2022-10-14" @default.
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- W4306149495 date "2022-10-13" @default.
- W4306149495 modified "2023-10-15" @default.
- W4306149495 title "Real-Time Monitoring of Breath Biomarkers with A Magnetoelastic Contactless Gas Sensor: A Proof of Concept" @default.
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- W4306149495 doi "https://doi.org/10.3390/bios12100871" @default.
- W4306149495 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36291006" @default.
- W4306149495 hasPublicationYear "2022" @default.
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