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
收藏
页数：21
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