pH-Induced reorientation of cytochrome c on silica nanoparticles
- Technical University Berlin (Germany); Louisiana State University
- Louisiana State University, Baton Rouge, LA (United States)
- Laboratoire Léon Brillouin, Gif-sur-Yvette Cedex (France)
- Technical University Berlin (Germany)
The orientation of cytochrome c molecules at the surface of silica nanoparticles was studied in a wide pH range by combining small-angle neutron scattering, adsorption measurements, and molecular dynamics simulations. Here, the results indicate a reorientation of the ellipsoidal protein from head-on to side-on as the pH is increased. This is attributed to changes in the surface charge distribution of both the protein and the nanoparticles.
- Research Organization:
- Louisiana State University, Baton Rouge, LA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0012432
- OSTI ID:
- 1670686
- Journal Information:
- Soft Matter, Journal Name: Soft Matter Journal Issue: 3 Vol. 15; ISSN 1744-683X
- Publisher:
- Royal Society of ChemistryCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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