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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la302394e
|2 doi
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|a pubmed24n0734.xml
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|a (NLM)22905694
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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 Xu, Haolan
|e verfasserin
|4 aut
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| 245 |
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|a Electrostatic repulsion-controlled formation of polydopamine-gold Janus particles
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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
|b cr
|2 rdacarrier
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|a Date Completed 18.01.2013
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|a Date Revised 23.11.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Polydopamine (PDA)-Au Janus particles were obtained by simply adding HAuCl(4) to a PDA particle suspension, prepared via self-polymerization of dopamine in basic solution at room temperature. The structures of the PDA-Au particles are readily controlled by electrostatic repulsion between the constituent particles, which can be realized simply via adjusting the environmental pH. PDA-Au Janus particles are formed only in a narrow pH range of 2.5-3.0 due to the properly enhanced electrostatic repulsion between the Au particles growing on as-prepared PDA particles and between the Au and PDA particles. The obtained PDA-Au Janus particles can become interfacially active and self-assemble at oil/water interfaces as a result of spatially well-separated hydrophilic (PDA) and hydrophobic (Au) domains on the surfaces, reminiscent of amphiphilic molecules
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Chlorides
|2 NLM
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|a Gold Compounds
|2 NLM
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|a Indoles
|2 NLM
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|a Polymers
|2 NLM
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|a polydopamine
|2 NLM
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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| 650 |
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|a gold tetrachloride, acid
|2 NLM
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| 650 |
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|a 8H372EGX3V
|2 NLM
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| 700 |
1 |
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|a Liu, Xiaokong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Su, Ge
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dayang
|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 28(2012), 36 vom: 11. Sept., Seite 13060-5
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:28
|g year:2012
|g number:36
|g day:11
|g month:09
|g pages:13060-5
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|u http://dx.doi.org/10.1021/la302394e
|3 Volltext
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