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Blocked Bacteria Escape by ATRP Grafting of a PMMA Shell on PVA Microparticles

Title data

Knierim, Christian ; Greenblatt, Charles L. ; Agarwal, Seema ; Greiner, Andreas:
Blocked Bacteria Escape by ATRP Grafting of a PMMA Shell on PVA Microparticles.
In: Macromolecular Bioscience. Vol. 14 (April 2014) Issue 4 . - pp. 537-545.
ISSN 1616-5187
DOI: https://doi.org/10.1002/mabi.201300398

Official URL: Volltext

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

This paper reports on the preparation and characterization of living composites consisting of poly(vinylalcohol) (PVA) hydrogel microparticles with living bacteria and a shell of poly(methyl methacrylate) (PMMA). The grafting of the PMMA shell is accomplished in the presence of living bacteria by surface polymerization of PMMA using atom transfer radical polymerization (ATRP). The PMMA shell prevents the uncontrolled bacterial escape from the hydrogel microparticles, which otherwise marks a major problem of these composites. The encapsulation of microparticles with living bacteria by PMMA retards bacteria escape upon contact to water for >20 d. The functionality of the PMMA shell is proven both by the release of fluorescein in buffer and an altered release time of bacteria in buffer solution.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: bacteria; biohybrids; composites; core-shell polymers; hydrogels
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 540 Chemistry
500 Science > 570 Life sciences, biology
Date Deposited: 26 Feb 2015 06:36
Last Modified: 31 Mar 2015 07:02
URI: https://eref.uni-bayreuth.de/id/eprint/7592