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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la3003965
|2 doi
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|a pubmed25n0723.xml
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|a (NLM)22506542
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Falentin-Daudré, Céline
|e verfasserin
|4 aut
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| 245 |
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|a Antibacterial polyelectrolyte micelles for coating stainless steel
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 29.08.2012
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|a Date Revised 19.11.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In this study, we report on the original synthesis and characterization of novel antimicrobial coatings for stainless steel by alternating the deposition of aqueous solutions of positively charged polyelectrolyte micelles doped with silver-based nanoparticles with a polyanion. The micelles are formed by electrostatic interaction between two oppositely charged polymers: a polycation bearing 3,4-dihydroxyphenylalanine units (DOPA, a major component of natural adhesives) and a polyanion (poly(styrene sulfonate), PSS) without using any block copolymer. DOPA units are exploited for their well-known ability to anchor to stainless steel and to form and stabilize biocidal silver nanoparticles (Ag(0)). The chlorine counteranion of the polycation forms and stabilizes biocidal silver chloride nanoparticles (AgCl). We demonstrate that two layers of micelles (alternated by PSS) doped with silver particles are enough to impart to the surface strong antibacterial activity against gram-negative E. coli. Moreover, micelles that are reservoirs of biocidal Ag(+) can be easily reactivated after depletion. This novel water-based approach is convenient, simple, and attractive for industrial applications
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Anti-Bacterial Agents
|2 NLM
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|a Coated Materials, Biocompatible
|2 NLM
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|a Electrolytes
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|a Micelles
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|a Polymers
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|a Polystyrenes
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|a poly(3,4-dihydroxyphenylalanine)
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|a Stainless Steel
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|a 12597-68-1
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|a Silver
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|a 3M4G523W1G
|2 NLM
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|a Dihydroxyphenylalanine
|2 NLM
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|a 63-84-3
|2 NLM
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|a polystyrene sulfonic acid
|2 NLM
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|a 70KO0R01RY
|2 NLM
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| 700 |
1 |
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|a Faure, Emilie
|e verfasserin
|4 aut
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|a Svaldo-Lanero, Tiziana
|e verfasserin
|4 aut
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|a Farina, Fabrice
|e verfasserin
|4 aut
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|a Jérôme, Christine
|e verfasserin
|4 aut
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|a Van De Weerdt, Cécile
|e verfasserin
|4 aut
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|a Martial, Joseph
|e verfasserin
|4 aut
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|a Duwez, Anne-Sophie
|e verfasserin
|4 aut
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|a Detrembleur, Christophe
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 28(2012), 18 vom: 08. Mai, Seite 7233-41
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:28
|g year:2012
|g number:18
|g day:08
|g month:05
|g pages:7233-41
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|u http://dx.doi.org/10.1021/la3003965
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