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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed25n0524.xml
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|a (NLM)16089412
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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 Filali, Mariam
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Star-block copolymers as templates for the preparation of stable gold nanoparticles
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|c 2005
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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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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| 500 |
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|a Date Completed 03.04.2007
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|a Date Revised 10.08.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Gold nanoparticles of improved stability against aggregation were prepared using poly(ethylene oxide)-block-poly(epsilon-caprolactone) (PEO-b-PCL) star-block copolymers. A five-arm star-shaped macroinitiator (PEO) was utilized for the automated parallel controlled ring-opening polymerization of epsilon-caprolactone to prepare a series of PEO-b-PCL star-block copolymers with a constant PEO core linked to PCL blocks of variable length. The PEO core was swelled with KAuCl4 in N,N-dimethylformamide (DMF), and gold nanoparticles were subsequently obtained by reduction with NaBH4. Since the process was always templated by the same PEO core for all investigated polymers, the average dimension of the formed gold nanoparticles was in the same range for all star-block copolymers. In sharp contrast, the size distribution and long-term stability against aggregation of the gold nanoparticles dispersed in DMF were strongly dependent on the PCL block length, confirming the role of PCL blocks as stabilizing blocks for these nanoparticles
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Meier, Michael A R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schubert, Ulrich S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gohy, Jean-François
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 21(2005), 17 vom: 16. Aug., Seite 7995-8000
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
8 |
|g volume:21
|g year:2005
|g number:17
|g day:16
|g month:08
|g pages:7995-8000
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| 912 |
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|a GBV_ILN_721
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| 951 |
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|a AR
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| 952 |
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|d 21
|j 2005
|e 17
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|c 08
|h 7995-8000
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