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Processing and modification of films made from recombinant spider silk proteins

Titelangaben

Hümmerich, Daniel ; Slotta, Ute ; Scheibel, Thomas:
Processing and modification of films made from recombinant spider silk proteins.
In: Applied Physics A. Bd. 82 (2006) Heft 2 . - S. 219-222.
ISSN 1432-0630
DOI: https://doi.org/10.1007/s00339-005-3428-5

Volltext

Link zum Volltext (externe URL): Volltext

Abstract

Protein films represent an interesting class of materials with various possibilities for applications. We investigated films made of two different synthetic spider silk proteins derived from the garden spider’s (Araneus diadematus) two dragline silk proteins ADF-3 and ADF-4. Protein films cast from hexafluoroisopropanol solutions displayed a predominantly α-helical secondary structure. Processing such films with potassium phosphate or methanol resulted in a transition to a β-sheet rich structure. While as-cast films could be dissolved in water, processed β-sheet rich films were water insoluble. The chemical stability of processed films depended on the amino acid sequence of the respective protein employed. As a proof of principle, fluorescent probes or enzymes were covalently attached to the film surface. The presented approach provides a basis for designing tailor-made protein films using silk proteins as scaffold, in which the film properties can be controlled by genetic engineering of the underlying silks.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Biomaterialien
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Biomaterialien > Lehrstuhl Biomaterialien - Univ.-Prof. Dr. Thomas Scheibel
Profilfelder > Advanced Fields > Neue Materialien
Profilfelder > Advanced Fields > Molekulare Biowissenschaften
Profilfelder > Advanced Fields > Polymer- und Kolloidforschung
Profilfelder > Emerging Fields > Lebensmittel- und Gesundheitswissenschaften
Profilfelder
Profilfelder > Advanced Fields
Profilfelder > Emerging Fields
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 25 Sep 2015 06:47
Letzte Änderung: 20 Mai 2016 06:50
URI: https://eref.uni-bayreuth.de/id/eprint/19551