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Colorimetric Analysis of Transmitted Light Through Plasmonic Paper for Next-Generation Point-of-Care (PoC) Devices

Colorimetric Analysis of Transmitted Light Through Plasmonic Paper for Next-Generation Point-of-Care (PoC) Devices

Caterina Serafinelli ^1,2,3,4, Alessandro Fantoni ^1,3, Elisabete C B A Alegria ^1,2, Manuela Vieira ^1,3,4

Caterina Serafinelli ^1,2,3,4, Alessandro Fantoni ^1,3, Elisabete C B A Alegria ^1,2

¹Lisbon School of Engineering (ISEL), Polytechnic University of Lisbon (IPL), Rua Conselheiro Emídio Navarro, nº1, 1959-007 Lisbon, Portugal.
²Centro de Química Estrutural, Institute of Molecular Sciences, Universidade de Lisboa (IST), 1049-001 Lisboa, Portugal.
³UNINOVA-CTS and LASI, Quinta da Torre, Monte da Caparica, 2829-516 Caparica, Portugal.
⁴NOVA School of Science and Technology, Quinta da Torre, Monte da Caparica, 2829-516 Caparica, Portugal.

⁰Lisbon School of Engineering (ISEL), Polytechnic University of Lisbon (IPL), Rua Conselheiro Emídio Navarro, nº1, 1959-007 Lisbon, Portugal.

Biosensors +

|

March 26, 2025

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View abstract on PubMed

Summary

This summary is machine-generated.

Optimal conditions for a plasmonic paper color picker system were identified. High-absorbance nanoparticle arrays with Cold LED light sources enhance sensitivity and precision in colorimetric sensing.

Area Of Science

Plasmonics
Nanotechnology
Colorimetry
Optical Sensing

Background

Colorimetric sensing relies on accurate light-matter interactions.
Plasmonic paper offers unique optical filtering properties.
Optimizing device components is crucial for sensing performance.

Purpose Of The Study

To determine optimal conditions for the Color Picker System using plasmonic paper.
To enhance the sensitivity and precision of colorimetric sensing.
To investigate the influence of light sources on plasmonic paper performance.

Main Methods

Simulation study analyzing transmittance spectra of plasmonic paper in various mixtures.
Colorimetric analysis evaluating filtering properties with different light source spectra.
Development of a comprehensive color chart correlating chromatic response and RGB values.

Main Results

Optimal device configuration involves nanoparticle arrays with high absorbance and Cold LED light sources.
White LED light uniquely generated strong red signals and green channel variations.
Cold LED and Xenon Arc lamps produced the strongest colorimetric signals in the blue channel.

Conclusions

A deep understanding of plasmonic paper filtering properties was achieved.
Optimizing the correlation between filtering properties and light sources enhances sensing.
This research paves the way for implementing nanoparticle arrays in advanced colorimetric sensing.

Keywords:

POC devices color spaces filtering properties light source plasmonic paper

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