{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,16]],"date-time":"2025-10-16T10:13:50Z","timestamp":1760609630192,"version":"build-2065373602"},"reference-count":61,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,2,24]],"date-time":"2025-02-24T00:00:00Z","timestamp":1740355200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"FCT\u2014Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","award":["UIDB\/00066\/2020","UIDP\/00066\/2020","UIDB\/00100\/2020","UIDP\/00100\/2020","LA\/P\/0056\/2020","IPL\/IDI&CA2023\/LUMINA_ISEL"],"award-info":[{"award-number":["UIDB\/00066\/2020","UIDP\/00066\/2020","UIDB\/00100\/2020","UIDP\/00100\/2020","LA\/P\/0056\/2020","IPL\/IDI&CA2023\/LUMINA_ISEL"]}]},{"name":"Institute of Molecular Sciences","award":["UIDB\/00066\/2020","UIDP\/00066\/2020","UIDB\/00100\/2020","UIDP\/00100\/2020","LA\/P\/0056\/2020","IPL\/IDI&CA2023\/LUMINA_ISEL"],"award-info":[{"award-number":["UIDB\/00066\/2020","UIDP\/00066\/2020","UIDB\/00100\/2020","UIDP\/00100\/2020","LA\/P\/0056\/2020","IPL\/IDI&CA2023\/LUMINA_ISEL"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biosensors"],"abstract":"<jats:p>This study identifies the optimal conditions for enhancing the performance of the Color Picker System, a device designed for colorimetric sensing using plasmonic paper. A simulation study was conducted toanalyze the transmittance spectra of plasmonic paper embedded in different mixtures, resulting in a comprehensive color chart that includes the chromatic response as well as the RGB values of transmitted light. The filtering properties of the plasmonic paper were evaluated through colorimetric analysis, combining the transmittance characteristics with the spectrum of different light sources. Optimizing the correlation between these filtering properties and the light source enhances both sensitivity and precision. Arrays of nanoparticles with high absorbance, combined with Cold LED light sources, emerge as ideal components for the device set-up. Among the light sources tested, the White LED uniquely generates a red signal while producing the most significant variations in the green channel. In contrast, the Cold LED and Xenon Arc lamp produce the strongest colorimetric signals in the blue channel. This study provides a deep understanding of the filtering properties of plasmonic paper, opening a new way for the implementation of nanoparticle arrays in colorimetric sensing.<\/jats:p>","DOI":"10.3390\/bios15030144","type":"journal-article","created":{"date-parts":[[2025,2,24]],"date-time":"2025-02-24T10:04:28Z","timestamp":1740391468000},"page":"144","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Colorimetric Analysis of Transmitted Light Through Plasmonic Paper for Next-Generation Point-of-Care (PoC) Devices"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2399-731X","authenticated-orcid":false,"given":"Caterina","family":"Serafinelli","sequence":"first","affiliation":[{"name":"Lisbon School of Engineering (ISEL), Polytechnic University of Lisbon (IPL), Rua Conselheiro Em\u00eddio Navarro, n\u00ba1, 1959-007 Lisbon, Portugal"},{"name":"Centro de Qu\u00edmica Estrutural, Institute of Molecular Sciences, Universidade de Lisboa (IST), 1049-001 Lisboa, Portugal"},{"name":"UNINOVA-CTS and LASI, Quinta da Torre, Monte da Caparica, 2829-516 Caparica, Portugal"},{"name":"NOVA School of Science and Technology, Quinta da Torre, Monte da Caparica, 2829-516 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9938-0351","authenticated-orcid":false,"given":"Alessandro","family":"Fantoni","sequence":"additional","affiliation":[{"name":"Lisbon School of Engineering (ISEL), Polytechnic University of Lisbon (IPL), Rua Conselheiro Em\u00eddio Navarro, n\u00ba1, 1959-007 Lisbon, Portugal"},{"name":"UNINOVA-CTS and LASI, Quinta da Torre, Monte da Caparica, 2829-516 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4060-1057","authenticated-orcid":false,"given":"Elisabete C. 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