2024-03-29T11:31:36Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/51982022-01-31T23:42:06Zcom_10259_4292com_10259_5086com_10259_2604com_10259_4313col_10259_4293col_10259_4314
Repositorio Institucional de la Universidad de Burgos
author
González Ceballos, Lara
author
Melero Gil, Beatriz
author
Trigo López, Miriam
author
Vallejos Calzada, Saúl
author
Muñoz Santamaría, María Asunción
author
García García, Félix Clemente
author
Fernández Muiño, Miguel Ángel
author
Sancho Ortiz, María Teresa
author
García Pérez, José Miguel
2020-01-07T12:31:49Z
2020-01-07T12:31:49Z
2020
0925-4005
http://hdl.handle.net/10259/5198
10.1016/j.snb.2019.127249
We have prepared high-performance functional aromatic polyamides with sensory pendant groups toward amines. These polymers are colourless. The pendant groups have bromonaphthalimide motifs that react with amines rendering coloured arylamines by nucleophilic aromatic substitution of the halide. Thus, these materials are colorimetric sensors toward amines. In the interest of saving costs, while having a sensory material with a high specific surface, cotton fabrics were coated, in order to render coated fibres as smart colorimetric labels toward amines. Moreover, as fish spoilage by microorganism increases the biogenic amines in food, we have applied the smart labels to visually follow the food spoilage. Also, a picture taken to the films allowed to obtain, in seconds, the digital colour definition parameters (RGB) that were correlated with the results of expensive and time-consuming conventional techniques used to obtain relevant food quality data, such as total amine concentration (treatment of the sample and HPLC), colony-forming unit (microbiological assays), total volatile basic nitrogen (TVB-N), and organoleptic test (sensory test). The smart labels are inexpensive, granting in seconds the visual qualitative evaluation of the food quality, or even quantitative, and they comply with the European food contact materials regulation.
eng
Amine sensors
Biogenic amines
Polymer chemosensors
Smart labels
Fish spoilage
Functional aromatic polyamides for the preparation of coated fibres as smart labels for the visual detection of biogenic amine vapours and fish spoilage
info:eu-repo/semantics/article
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URL
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