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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0520.xml
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|a (DE-627)NLM155934333
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|a (NLM)15952810
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Isaacs, Steven R
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Synthesis of tetraoctylammonium-protected gold nanoparticles with improved stability
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| 264 |
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1 |
|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 23.06.2006
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|a Date Revised 14.06.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a This paper shows that an introduction of thiosulfate anions in place of bromide anions greatly improves both chemical and thermal stability of tetraoctylammonium-protected gold nanoparticles. Tetraoctylammonium thiosulfate [(Oct)4N+-O3SS]-protected gold nanoparticles are synthesized by the reduction of (Oct)4N+-AuCl4 to Au(I)-SSO3-, followed by the addition of sodium borohydride. The presence of thiosulfate anions instead of bromide anions on the surface of gold nanoparticles results in a significant dampening of the surface plasmon band of gold at 526 nm due to the strong interaction between thiosulfate and the gold nanoparticle surface. Cyanide decomposition and heating treatment studies suggest that (Oct)4N+-O3SS-protected nanoparticles have much higher overall stability compared to (Oct)4N+-Br-protected gold nanoparticles
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Cutler, Erin C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Joon-Seo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, T Randall
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shon, Young-Seok
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 21(2005), 13 vom: 21. Juni, Seite 5689-92
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:21
|g year:2005
|g number:13
|g day:21
|g month:06
|g pages:5689-92
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|a GBV_ILN_350
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|a GBV_ILN_721
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|a AR
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| 952 |
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|d 21
|j 2005
|e 13
|b 21
|c 06
|h 5689-92
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