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231223s2006 xx ||||| 00| ||eng c |
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|a pubmed24n0556.xml
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|a (DE-627)NLM166814695
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|a (NLM)17129033
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Holm, Allan H
|e verfasserin
|4 aut
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| 245 |
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|a Effect of peptide ligand dipole moments on the redox potentials of Au38 and Au140 nanoparticles
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 19.01.2007
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|a Date Revised 15.11.2012
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|a published: Print
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|a Citation Status MEDLINE
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|a Phenylethanethiolate monolayer-protected Au38 and Au140 nanoclusters were modified by ligand place exchange with a series of thiolated peptides. The peptides were homooligomers based on the alpha-aminoisobutyiric acid unit. The effects of changing the peptide concentration and the peptide length in the capping monolayer were studied by differential pulse voltammetry. The results showed that the redox behavior of the nanoparticles can be affected very significantly by such modifications. For example, the first oxidation peak of Au38, a cluster displaying molecule-like behavior, could be shifted positively by as much as 0.7-0.8 V. Detectable redox shifts were noted even when one single oriented peptide was in the Au140 monolayer. These effects were attributed to the molecular dipole moments of the peptide ligands
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Aminoisobutyric Acids
|2 NLM
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|a Ligands
|2 NLM
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| 650 |
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|a Peptides
|2 NLM
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|a Sulfhydryl Compounds
|2 NLM
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| 650 |
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|a 2-aminoisobutyric acid
|2 NLM
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| 650 |
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|a 1E7ZW41IQU
|2 NLM
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| 650 |
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|a Gold
|2 NLM
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| 650 |
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|a 7440-57-5
|2 NLM
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| 700 |
1 |
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|a Ceccato, Marcel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Donkers, Robert L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fabris, Laura
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pace, Giuseppe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Maran, Flavio
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 22(2006), 25 vom: 05. Dez., Seite 10584-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:22
|g year:2006
|g number:25
|g day:05
|g month:12
|g pages:10584-9
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|h 10584-9
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