Colorimetric Indicator Based on Gold Nanoparticles and Sodium Alginate for Monitoring Fish Spoilage-Reference-Cited by-同舟云学术

Colorimetric Indicator Based on Gold Nanoparticles and Sodium Alginate for Monitoring Fish Spoilage

Published:2024-03-17 Issue:6 Volume:16 Page:829
ISSN:2073-4360
Container-title:Polymers
language:en
Short-container-title:Polymers

Author:

Pierre Lissage¹²^ORCID,Bruna Bugueño Julio Elías¹²,Leyton Bongiorno Patricio Alejandro³^ORCID,Torres Mediano Alejandra¹²,Rodríguez-Mercado Francisco Javier¹²^ORCID

Affiliation:

1. Packaging Innovation Center (LABEN), Food Science and Technology Department (DECYTAL), Technological Faculty, University of Santiago de Chile (USACH), Ave. Víctor Jara 3769, Santiago 9170124, Chile

2. Center for the Development of Nanoscience and Nanotechnology (CEDENNA), University of Santiago de Chile (USACH), Santiago 9170022, Chile

3. Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaíso 2340025, Chile

Abstract

In this work, a colorimetric indicator based on gold nanoparticles (AuNP) and a biodegradable and eco-friendly polymer (sodium alginate, Alg.), was developed for the real-time detection of fish spoilage products. The AuNPs and the colorimetric indicator were characterized using UV-VIS, FTIR spectroscopies, TGA, DSC, XRD, TEM, and colorimetry. The UV-VIS spectrum and TEM showed the successful synthesis, the spherical shape, and the size of AuNPs. The results indicated color changes of the indicator in packaged fish on day 9 of storage at a refrigerated temperature (5 °C. These results showed the successful application of the colorimetric indicator in the detection of TVB-N in packaged fish.

Funder

National Research and Development Agency

Center of Excellence with Basal Financing

Publisher

MDPI AG

Link

https://www.mdpi.com/2073-4360/16/6/829/pdf

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