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| 041 |
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|a eng
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| 100 |
1 |
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|a Nambara, Katsuyuki
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Reverse Size Dependences of the Cellular Uptake of Triangular and Spherical Gold Nanoparticles
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| 264 |
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|c 2016
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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 25.06.2018
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|a Date Revised 25.06.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Gold nanoparticles (GNPs) show promise as both drug and imaging carriers with applications in both diagnosis and therapy. For the safe and effective use of such gold nanomaterials in the biomedical field, it is crucial to understand how the size and shape of the nanomaterials affect their biological features, such as in vitro cellular uptake speed and accumulation as well as cytotoxicity. Herein, we focus on triangular gold nanoparticles (TNPs) of four different sizes (side length 46, 55, 72, and 94 nm; thickness 30 nm) and compare the cellular internalization efficiency with those of spherical nanoparticles (SNPs) of various diameters (22, 39, and 66 nm). Both surfaces were coated with anionic thiol ligands. Inductively coupled plasma-emission spectrometry (ICP-ES) data demonstrated that TNPs with longer sides showed higher levels of uptake into RAW264.7 and HeLa cells. On the other hand, in the case of SNPs, those with smaller diameters showed higher levels of uptake in both cells. Our results support the notion of a reverse size dependence of TNPs and SNPs in terms of cellular uptake. For HeLa cells, in particular, 20-fold more efficient internalization was observed for TNPs with longer sides (72 nm side length) compared to SNPs (66 nm) with a similar surface area. These results highlight the importance of the shape of nanomaterials on their interactions with cells and provide a useful guideline for the use of TNPs
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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7 |
|a Anions
|2 NLM
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7 |
|a Ligands
|2 NLM
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| 650 |
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|a Gold
|2 NLM
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| 650 |
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7 |
|a 7440-57-5
|2 NLM
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| 700 |
1 |
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|a Niikura, Kenichi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mitomo, Hideyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ninomiya, Takafumi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takeuchi, Chie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Jinjian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Matsuo, Yasutaka
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ijiro, Kuniharu
|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 32(2016), 47 vom: 29. Nov., Seite 12559-12567
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:32
|g year:2016
|g number:47
|g day:29
|g month:11
|g pages:12559-12567
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