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High‐Temperature Spray‐Dried Polymer/Bacteria Microparticles for Electrospinning of Composite Nonwovens

Title data

Reich, Steffen ; Kaiser, Patrick ; Mafi, Mahsa ; Schmalz, Holger ; Rhinow, Daniel ; Freitag, Ruth ; Greiner, Andreas:
High‐Temperature Spray‐Dried Polymer/Bacteria Microparticles for Electrospinning of Composite Nonwovens.
In: Macromolecular Bioscience. Vol. 19 (2019) Issue 5 . - p. 1800356.
ISSN 1616-5187
DOI: https://doi.org/10.1002/mabi.201800356

Project information

Project financing: Deutsche Forschungsgemeinschaft
Bayerisches Staatsministerium für Verbraucher und Umweltschutz

Abstract in another language

Living Micrococcus luteus (M. luteus) and Escherichia coli (E. coli) are encapsulated in poly(vinyl alcohol), poly(vinylpyrrolidone), hydroxypropyl cellulose, and gelatin by high‐temperature spray drying. The challenge is the survival of the bacteria during the standard spray‐drying process at temperatures of 150 °C (M. luteus) and 120 °C (E. coli). Raman imaging and transmission electron microscopy indicate encapsulated bacteria in hollow composite microparticles. The versatility of the spray‐dried polymer bacteria microparticles is successfully proved by standard polymer solution–processing techniques such as electrospinning, even with harmful solvents, to water‐insoluble polyacrylonitrile, polystyrene, poly(methyl methacrylate), and poly(vinyl butyrate) nanofiber nonwovens, which opens numerous new opportunities for novel applications.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Engineering Science > Chair Process Biotechnology
Research Institutions > Affiliated Institutes > Bavarian Polymer Institute (BPI)
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
500 Science > 570 Life sciences, biology
Date Deposited: 12 Dec 2019 08:18
Last Modified: 12 Dec 2019 08:18
URI: https://eref.uni-bayreuth.de/id/eprint/53557