Journal
COLLOIDS AND SURFACES B-BIOINTERFACES
Volume 112, Issue -, Pages 16-22Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfb.2013.07.018
Keywords
Dispersion; Carbon nanotubes; Surface curvature; Docking; Cryo-TEM
Funding
- Israel Academy of Sciences and Humanities
- Center of Nanoscience and Nanotechnology of the Tel Aviv University
- Marian Gertner's Foundation for Medical Nano-Systems
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The beta-lactoglobulin (beta-LG) protein was discovered to be an efficient and selective dispersant for carbon nanotubes (CTNs) with certain diameters. A dispersion process of CTNs by the beta-LG was studied, focusing on the relationships between the surface curvature of the CNT and the beta-LG's efficiency in dispersing them, using cryogenic-transmission electron microscopy (cryo-TEM) and optical spectroscopy. Plausible binding sites of the beta-LG, responsible for the interaction of the protein with CNTs of various diameters (surface curvatures) were also investigated and were found to be in good agreement with corresponding docking calculations. (C) 2013 Elsevier B.V. All rights reserved.
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