Ultrasonic atomizer based development of pH sensor for real time analysis.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
02 07 2020
02 07 2020
Historique:
received:
27
02
2020
accepted:
22
05
2020
entrez:
4
7
2020
pubmed:
4
7
2020
medline:
4
7
2020
Statut:
epublish
Résumé
Fluorescent pH biosensors have gained importance owing to their low cost utilization in real time monitoring of biological and food samples in comparison to conventional pH meters. The research reports a novel method of ultrasonic atomization for developing a fluorescent pH sensor for real-time analysis made of Fluorescein isothiocyanate (FITC)-dextran/FITC-dextran-Tris (2, 2'-bipyridyl) dichlororuthenium (II) hexahydrate as indicator and reference fluorophores, respectively. The process of ultrasonic atomization ensures formation of monodisperse dye immobilized alginate microspheres ensuring efficient pH sensing. The developed biosensor was tested on milk samples, which has a short life span and shows a significant fall in pH with time due to microbial spoilage. The proposed biosensor showed a linear range of pH 4-8 (R
Identifiants
pubmed: 32616901
doi: 10.1038/s41598-020-68005-2
pii: 10.1038/s41598-020-68005-2
pmc: PMC7331635
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
10910Références
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