Impact of Cross-Linker Valency on Gold Nanoparticle Aggregate Formation and Cellular Uptake

Synthesis of spherical, biocompatible nanoparticle aggregates using a small molecular cross-linker is a simple and flexible approach for the controlled assembly of gold nanoparticles. This strategy can be extended to a variety of cross-linkers, making it possible to the test the effect of cross-link...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 33(2017), 50 vom: 19. Dez., Seite 14358-14365
1. Verfasser: Liu, Alice T (VerfasserIn)
Weitere Verfasser: Berlin, Jacob M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Cyanides Gold 7440-57-5
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520 |a Synthesis of spherical, biocompatible nanoparticle aggregates using a small molecular cross-linker is a simple and flexible approach for the controlled assembly of gold nanoparticles. This strategy can be extended to a variety of cross-linkers, making it possible to the test the effect of cross-linker properties on aggregate formation and physicochemical properties. Here, we synthesized aggregates using a series of structurally homologous cross-linkers with differing valencies. These aggregates have the same size, morphology, surface charge, surface coating, and stability in salt, media, and low pH conditions, but they differ in their stability to cyanide etching and uptake by cells. This highlights the fine-tuning of nanoparticle aggregate properties that can be achieved by using small-molecule cross-linkers 
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