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Living Composites of Electrospun Yeast Cells for Bioremediation and Ethanol Production

Title data

Letnik, Ilya ; Avrahami, Ron ; Rokem, J. Stefan ; Greiner, Andreas ; Zussman, Eyal ; Greenblatt, Charles:
Living Composites of Electrospun Yeast Cells for Bioremediation and Ethanol Production.
In: Biomacromolecules. Vol. 16 (2015) Issue 10 . - pp. 3322-3328.
ISSN 1526-4602
DOI: https://doi.org/10.1021/acs.biomac.5b00970

Abstract in another language

The preparation of composites of living functional cells and polymers is a major challenge. We have fabricated such "living composites" by preparation of polymeric microtubes that entrap yeast cells. Our approach was the process of coaxial electrospinning in which a core containing the yeast was "spun" within a shell of nonbiodegradable polymer. We utilized the yeast Candida tropicalis, which was isolated from olive water waste. It is particularly useful since it degrades phenol and other natural polyphenols, and it is capable of accumulating ethanol. The electrospun yeast cells showed significant activity of bioremediation of phenol and produced ethanol, and, in addition, the metabolic processes remained active for a prolonged period. Comparison of electrospun cells to planktonic cells showed decreased cell activity; however, the olive water waste after treatment by the yeast was no longer toxic for Escherichia coli, suggesting that detoxification and prolonged viability and activity may outweigh the reduction of efficiency.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
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
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 16 Aug 2018 07:17
Last Modified: 16 Aug 2018 07:17
URI: https://eref.uni-bayreuth.de/id/eprint/45489