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

被引：5

作者：

Pierre, Lissage ^{[1
,2
]}

Bugueno, Julio Elias Bruna ^{[1
,2
]}

Bongiorno, Patricio Alejandro Leyton ^{[3
]}

Mediano, Alejandra Torres ^{[1
,2
]}

Rodriguez-Mercado, Francisco Javier ^{[1
,2
]}

机构：

[1] Univ Santiago Chile USACH, Technol Fac, Packaging Innovat Ctr LABEN, Food Sci & Technol Dept DECYTAL, Av Victor Jara 3769, Santiago 9170124, Chile

[2] Univ Santiago Chile USACH, Ctr Dev Nanosci & Nanotechnol CEDENNA, Santiago 9170022, Chile

[3] Pontificia Univ Catolica Valparaiso, Inst Quim, Valparaiso 2340025, Chile

来源：

POLYMERS | 2024年 / 16卷 / 06期

关键词：

gold nanoparticles; polymer; colorimetric indicator; sodium alginate; biogenic amines; ethylenediamine; SILVER NANOPARTICLES; CITRATE;

D O I：

10.3390/polym16060829

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

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 degrees C. These results showed the successful application of the colorimetric indicator in the detection of TVB-N in packaged fish.

引用

页数：21

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