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| Hauptseite > Publikationsdatenbank > Using Neutron Reflectometry to Characterize Antimicrobial Protein Surface Coatings > print |
| Hauptseite > Publikationsdatenbank > Using Neutron Reflectometry to Characterize Antimicrobial Protein Surface Coatings > print |
| 001 | 834153 | ||
| 005 | 20210129230550.0 | ||
| 024 | 7 | _ | |a 10.1021/acs.jpcb.7b02886 |2 doi |
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| 037 | _ | _ | |a FZJ-2017-04151 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Akers, Peter W. |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Using Neutron Reflectometry to Characterize Antimicrobial Protein Surface Coatings |
| 260 | _ | _ | |a Washington, DC |c 2017 |b Soc. |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a Understanding the interaction of adsorbed or covalently immobilized proteins with solid substrates at the molecular level guides the successful design of functionalized surfaces used in biomedical applications. In this report, neutron reflectometry (NR) was used to characterize the structure of surface-attached antimicrobial protein films, with antimicrobial activity assessed using an adaption of the Japanese Industrial Standard Test JIS Z 2801. NR allowed parameters influencing bioactivity to be measured at nanometer resolution and for conclusions about structural characteristics relating to bioactivity to be drawn. Hydramacin-1 (HM-1) and lysozyme were covalently attached to poly(methyl methacrylate) (PMMA) and 3-aminopropyltriethoxysilane (APTES) films in the presence and absence of a four-unit poly(ethylene glycol) PEG-based spacer and measured using NR, followed by antimicrobial assays. APTES-PEG-protein films were structurally unique, with a layer of 80% water directly beneath the protein layer, and were the only films that displayed antimicrobial activity against Escherichia coli and Bacillus subtilis. The hydration content of these films combined with the subtle difference in the PEG layer thickness of APTES versus PMMA films played a role in defining antimicrobial activity of the prepared surface coatings. |
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| 700 | 1 | _ | |a Dingley, Andrew |0 P:(DE-Juel1)145681 |b 1 |e Corresponding author |u fzj |
| 700 | 1 | _ | |a Swift, Simon |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Nelson, Andrew R. J. |0 P:(DE-HGF)0 |b 3 |e Corresponding author |
| 700 | 1 | _ | |a Martin, Julie |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a McGillivray, Duncan J. |0 P:(DE-HGF)0 |b 5 |
| 773 | _ | _ | |a 10.1021/acs.jpcb.7b02886 |0 PERI:(DE-600)2006039-7 |n 24 |p 5908–5916 |t The @journal of physical chemistry |v 121 |y 2017 |x 1089-5647 |
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