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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Heinz, Hendrik |
| Description | Country affiliation: United States Author Affiliation: Heinz H ( Department of Polymer Engineering, University of Akron, Akron, OH 44325, USA.) |
| Abstract | Adsorption of biomolecules and polymers to inorganic nanostructures plays a major role in the design of novel materials and therapeutics. The behavior of flexible molecules on solid surfaces at a scale of 1-1000 nm remains difficult and expensive to monitor using current laboratory techniques, while playing a critical role in energy conversion and composite materials as well as in understanding the origin of diseases. Approaches to implement key surface features and pH in molecular models of solids are explained, and distinct mechanisms of peptide recognition on metal nanostructures, silica and apatite surfaces in solution are described as illustrative examples. The influence of surface energies, specific surface features and protonation states on the structure of aqueous interfaces and selective biomolecular adsorption is found to be critical, comparable to the well-known influence of the charge state and pH of proteins and surfactants on their conformations and assembly. The representation of such details in molecular models according to experimental data and available chemical knowledge enables accurate simulations of unknown complex interfaces in atomic resolution in quantitative agreement with independent experimental measurements. In this context, the benefits of a uniform force field for all material classes and of a mineral surface structure database are discussed. |
| ISSN | 09538984 |
| e-ISSN | 1361648X |
| Journal | Journal of Physics: Condensed Matter |
| Issue Number | 24 |
| Volume Number | 26 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2014-06-18 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Computer Simulation Chemistry Models, Theoretical Peptide Fragments Silicon Dioxide Bone Density Conservation Agents Diphosphonates Durapatite Hydrogen-ion Concentration Molecular Structure Nanostructures Polymers Surface Properties Surface-active Agents Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s. Discipline Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Materials Science |
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