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Engineering Proceedings
Volume 27
Issue 1
10.3390/ecsa-9-13217
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Proceeding Paper

Cobalt Detection Using Fluorescent Dye Layers †

by
Fernando Arturo Armenta-Serna
1,
Yadira Aracely Fuentes-Rubio
1,
René Fernando Domínguez-Cruz
1,*,
Luis Antonio García-Garza
1,
Oscar Baldovino-Pantaleón
1 and
Carlos Ruiz-Zamarreño
2
1
Centro de Innovación Tecnológica en Eléctrica y Electrónica, Universidad Autónoma de Tamaulipas, Carr. a San Fernando Cruce con Canal Rodhe S/N. Col. Arcoiris, Reynosa 88779, Mexico
2
Electrical and Electronic Engineering Department, UPNA, Campus Arrosadia, 31006 Pamplona, Spain
*
Author to whom correspondence should be addressed.
†
Presented at the 9th International Electronic Conference on Sensors and Applications, 1–15 November 2022; Available online: https://ecsa-9.sciforum.net/.
Eng. Proc. 2022, 27(1), 67; https://doi.org/10.3390/ecsa-9-13217
Published: 1 November 2022
(This article belongs to the Proceedings of The 9th International Electronic Conference on Sensors and Applications)
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Abstract

In this paper, we report the preliminary results regarding the use of fluorescent dye calcein (C30H26N2O13) as a sensor for the detection of cobalt levels in aqueous solutions. The sensor cell based on calcein is built by fixed-in layers by means of thermoplastic polyurethane (TPU) and adjusted to pH = 7. The layer shows a fluorescence emission in the range of λ = 545 nm to 570 nm when it is excited by optical fields at a wavelength centered at 465 nm. By the contact of different cobalt concentrations with the calcein layer structure, quenching of the fluorescence intensity is observed. The results indicate that the sensor exhibits a linear response of the fluorescence quenching related to the cobalt concentration level in the range of 10−5 to 10−3 mol/L. Additionally, the proposed sensor has a simple experimental set-up, low cost, and does not require additional complex instrumentation.
Keywords: cobalt; fluorescence; fluorescence quenching cobalt; fluorescence; fluorescence quenching

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MDPI and ACS Style

Armenta-Serna, F.A.; Fuentes-Rubio, Y.A.; Domínguez-Cruz, R.F.; García-Garza, L.A.; Baldovino-Pantaleón, O.; Ruiz-Zamarreño, C. Cobalt Detection Using Fluorescent Dye Layers. Eng. Proc. 2022, 27, 67. https://doi.org/10.3390/ecsa-9-13217

AMA Style

Armenta-Serna FA, Fuentes-Rubio YA, Domínguez-Cruz RF, García-Garza LA, Baldovino-Pantaleón O, Ruiz-Zamarreño C. Cobalt Detection Using Fluorescent Dye Layers. Engineering Proceedings. 2022; 27(1):67. https://doi.org/10.3390/ecsa-9-13217

Chicago/Turabian Style

Armenta-Serna, Fernando Arturo, Yadira Aracely Fuentes-Rubio, René Fernando Domínguez-Cruz, Luis Antonio García-Garza, Oscar Baldovino-Pantaleón, and Carlos Ruiz-Zamarreño. 2022. "Cobalt Detection Using Fluorescent Dye Layers" Engineering Proceedings 27, no. 1: 67. https://doi.org/10.3390/ecsa-9-13217

APA Style

Armenta-Serna, F. A., Fuentes-Rubio, Y. A., Domínguez-Cruz, R. F., García-Garza, L. A., Baldovino-Pantaleón, O., & Ruiz-Zamarreño, C. (2022). Cobalt Detection Using Fluorescent Dye Layers. Engineering Proceedings, 27(1), 67. https://doi.org/10.3390/ecsa-9-13217

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