Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology

The detection of the spectral fingerprint of chemical sensors through the combined use of an LCD and a webcam is an alternative approach for chemical sensor characterization. This technique allows the development of more compact, cheap, and user-friendly measurement systems compared to the more clas...

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Autores principales:	Giovanni Gugliandolo, Giovanni Pilato, Nicola Donato
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	colorimetric sensors CSPT measurement instrumentation sensor arrays optical sensors Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/cfd63d4a38cb4e07918e620a06d07d50
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spelling	oai:doaj.org-article:cfd63d4a38cb4e07918e620a06d07d502021-11-11T15:37:13ZCompact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology10.3390/electronics102125872079-9292https://doaj.org/article/cfd63d4a38cb4e07918e620a06d07d502021-10-01T00:00:00Zhttps://www.mdpi.com/2079-9292/10/21/2587https://doaj.org/toc/2079-9292The detection of the spectral fingerprint of chemical sensors through the combined use of an LCD and a webcam is an alternative approach for chemical sensor characterization. This technique allows the development of more compact, cheap, and user-friendly measurement systems compared to the more classic instruments, such as spectrometers and gas chromatography systems. In the Computer Screen Photo-assisted Technique (CSPT), a display acts as a light source, and a conventional camera (e.g., a webcam) plays the role of a detector. The light from the LCD is reflected (or transmitted) by the chemical sensor, and the camera detects it. In the present contribution, we propose a compact and low-cost platform based on CSPT for the characterization of colorimetric sensor arrays. The system can provide spectral information of both reflected and transmitted light from the sample. Further, a 2.4-inch LCD and three different detector’s (a webcam, an RGB sensor, and a camera module) performances have been evaluated and discussed. The developed system includes a UDOO-based single board computer that makes it a stand-alone measurement system.Giovanni GugliandoloGiovanni PilatoNicola DonatoMDPI AGarticlecolorimetric sensorsCSPTmeasurementinstrumentationsensor arraysoptical sensorsElectronicsTK7800-8360ENElectronics, Vol 10, Iss 2587, p 2587 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	colorimetric sensors CSPT measurement instrumentation sensor arrays optical sensors Electronics TK7800-8360
spellingShingle	colorimetric sensors CSPT measurement instrumentation sensor arrays optical sensors Electronics TK7800-8360 Giovanni Gugliandolo Giovanni Pilato Nicola Donato Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology
description	The detection of the spectral fingerprint of chemical sensors through the combined use of an LCD and a webcam is an alternative approach for chemical sensor characterization. This technique allows the development of more compact, cheap, and user-friendly measurement systems compared to the more classic instruments, such as spectrometers and gas chromatography systems. In the Computer Screen Photo-assisted Technique (CSPT), a display acts as a light source, and a conventional camera (e.g., a webcam) plays the role of a detector. The light from the LCD is reflected (or transmitted) by the chemical sensor, and the camera detects it. In the present contribution, we propose a compact and low-cost platform based on CSPT for the characterization of colorimetric sensor arrays. The system can provide spectral information of both reflected and transmitted light from the sample. Further, a 2.4-inch LCD and three different detector’s (a webcam, an RGB sensor, and a camera module) performances have been evaluated and discussed. The developed system includes a UDOO-based single board computer that makes it a stand-alone measurement system.
format	article
author	Giovanni Gugliandolo Giovanni Pilato Nicola Donato
author_facet	Giovanni Gugliandolo Giovanni Pilato Nicola Donato
author_sort	Giovanni Gugliandolo
title	Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology
title_short	Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology
title_full	Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology
title_fullStr	Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology
title_full_unstemmed	Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology
title_sort	compact system for colorimetric sensor arrays characterization based on computer screen photo-assisted technology
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/cfd63d4a38cb4e07918e620a06d07d50
work_keys_str_mv	AT giovannigugliandolo compactsystemforcolorimetricsensorarrayscharacterizationbasedoncomputerscreenphotoassistedtechnology AT giovannipilato compactsystemforcolorimetricsensorarrayscharacterizationbasedoncomputerscreenphotoassistedtechnology AT nicoladonato compactsystemforcolorimetricsensorarrayscharacterizationbasedoncomputerscreenphotoassistedtechnology
_version_	1718435015081066496

Compact System for Colorimetric Sensor Arrays Characterization Based on Computer Screen Photo-Assisted Technology

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