2024-03-28T20:52:20Zhttps://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
2020-01-07T12:31:49Z
urn:hdl:10259/5198
Functional aromatic polyamides for the preparation of coated fibres as smart labels for the visual detection of biogenic amine vapours and fish spoilage
González Ceballos, Lara
Melero Gil, Beatriz
Trigo López, Miriam
Vallejos Calzada, Saúl
Muñoz Santamaría, María Asunción
García García, Félix Clemente
Fernández Muiño, Miguel Ángel
Sancho Ortiz, María Teresa
García Pérez, José Miguel
Amine sensors
Biogenic amines
Polymer chemosensors
Smart labels
Fish spoilage
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.
2020-01-07T12:31:49Z
2020-01-07T12:31:49Z
2020
info:eu-repo/semantics/article
0925-4005
http://hdl.handle.net/10259/5198
10.1016/j.snb.2019.127249
eng
Sensors and Actuators B: Chemical. 2020, V. 304, 127249
https://doi.org/10.1016/j.snb.2019.127249
info:eu-repo/grantAgreement/MINECO/MAT2017-84501-R
info:eu-repo/grantAgreement/JCyL/BU061U16
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
info:eu-repo/semantics/openAccess
Elsevier