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Merckx, Ronald ; Becelaere, Jana ; Schoolaert, Ella ; Frateur, Olmo ; Leiske, Meike N. ; Peeters, Daniël ; Jerca, Florica Adriana ; Jerca, Valentin Victor ; De Clerck, Karen ; Hoogenboom, Richard:
Poly(2-isoproprenyl-2-oxazoline)-Based Reactive Hydrophilic Cross-Linked Nanofiber Networks as the Basis for Colorimetric Continuous Meat Freshness Monitoring Sensors.
In: Chemistry of Materials.
Bd. 35
(2023)
Heft 17
.
- S. 7079-7093.
ISSN 1520-5002
DOI: https://doi.org/10.1021/acs.chemmater.3c01355
Abstract
Global food waste is a cross-cutting issue that ranges from agricultural production to storage in households and leads to the loss of one-third of produced food products. Although the currently depicted static expiry, best-by, and due-by dates provide accurate information on when to consume the food product, these time indications are only valid under ideal storage conditions. Therefore, there is a stringent need for easy-to-use sensor applications that allow continuous monitoring of food freshness. This work showcases a straightforward and effortless approach to obtain highly porous cross-linked water-stable and reactive hydrophilic nanofiber membranes based on electrospinning of poly(2-isoproprenyl-2-oxazoline) (PiPOx) with succinic acid as the cross-linker. Subsequent thermal treatment of the produced succinic acid-containing PiPOx nanofiber networks generated sufficient cross-linking to preserve the fibrous morphology in an aqueous environment while retaining the hydrophilic character of the scaffold. The remaining 2-oxazoline side chains of PiPOx are stable at room temperature but provide reactivity for post-cross-linking modification with carboxylic acid-containing compounds, as exploited here for continuous food monitoring by incorporating acid-functionalized dyes to yield a colorimetric sensor for biogenic food spoilage indicators, such as thiol- and amine-containing small molecules.
Weitere Angaben
| Publikationsform: | Artikel in einer Zeitschrift |
|---|---|
| Begutachteter Beitrag: | Ja |
| Institutionen der Universität: | Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Juniorprofessur Nachhaltige und funktionale Polymersysteme > Juniorprofessur Nachhaltige und funktionale Polymersysteme - Juniorprof. Dr. Meike Leiske |
| Titel an der UBT entstanden: | Nein |
| Themengebiete aus DDC: | 500 Naturwissenschaften und Mathematik |
| Eingestellt am: | 02 Apr 2024 09:03 |
| Letzte Änderung: | 02 Apr 2024 09:03 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/89099 |