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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Shear-induced self-assembly of native silk proteins into fibrils studied by atomic force microscopy
Biomacromolecules, Volume 13, No. 3, Year 2012
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Description
Noncontact mode atomic force microscopy was used to investigate native silk proteins prepared in different ways. Low protein concentrations revealed that single protein molecules exhibit a simple, round shape with apparent diameters of 20-25 nm. Shearing the native protein solutions after extraction from the gland and prior to drying led to a beads-on-a-string assembly at the nanometer scale. Protein concentration had a significant effect on the morphology of the protein assemblies. At higher protein concentrations, shear-induced alignment into nanofibrils was observed, while lower concentrations lead to the formation of much thinner fibrils with a width of about 8 nm. © 2012 American Chemical Society.
Authors & Co-Authors
Vollrath, Fritz
United Kingdom, Oxford
University of Oxford
Schniepp, Hannes C.
Unknown Affiliation
Statistics
Citations: 123
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1021/bm201509b
ISSN:
15264602