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Characterization of Disposable Facemasks for COVID-19 Through Colorimetric Analysis
Sapienza University of Rome, Italy.
Linköping University, Department of Physics, Chemistry and Biology, Sensor and Actuator Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Sensor and Actuator Systems. Linköping University, Faculty of Science & Engineering.
Sapienza University of Rome, Italy.
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2022 (English)In: NanoInnovation 2021, Institute of Physics (IOP), 2022, Vol. 1265, article id 012008Conference paper, Published paper (Refereed)
Abstract [en]

Many aspects of the world population's daily life have been recently changed by the events following the SARS-COV-2 pandemic outbreak. Among all the consequences, wearing face masks has become a common routine to protect from virus transmission risks. This work presents a simple colorimetric system able to detect the carbon dioxide (CO2) saturation inside a disposable face mask, which is useful to determine the level of wear and degradation and to visually provide indications on its disposal time. The experiments were carried out by wearing a FFP2 face mask externally treated with a phenolphthalein solution and including in its breathing zone a CO2 sensor. Changes in face mask color were recorded by a camera and analyzed with ImageJ. A strong correspondence was found between the high values of CO2 detected by the sensor and the analyzed data. The results are promising and suggest further efforts in developing easy-to-use colorimetric methods as a visual indicator of the life cycle of a disposable face mask.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2022. Vol. 1265, article id 012008
Series
IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981, E-ISSN 1757-899X ; 1265
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-188956DOI: 10.1088/1757-899X/1265/1/012008OAI: oai:DiVA.org:liu-188956DiVA, id: diva2:1701042
Conference
NanoInnovation 2021, 21-24 September, Rome, Italy
Available from: 2022-10-04 Created: 2022-10-04 Last updated: 2023-03-07Bibliographically approved

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Puglisi, DonatellaDomènech-Gil, Guillem

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