Cross-Linked Poly(ethylene glycol) Shells for Nanoparticles : Enhanced Stealth Effect and Colloidal Stability

Preventing protein corona formation and macrophage uptake is the key to improving the delivery efficiency of nanocarriers. Herein, we present a kind of cross-linking poly(ethylene glycol) (CL-PEG) shell-wrapped gold nanoparticles (namely, AuCL-PEG NPs), which show much enhanced stealth effect and co...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 35(2019), 26 vom: 02. Juli, Seite 8799-8805
1. Verfasser: Li, Dianqi (VerfasserIn)
Weitere Verfasser: Wang, Fengchao, Di, Huixia, Liu, Xuehui, Zhang, Pengjuan, Zhou, Wen, Liu, Dingbin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a Preventing protein corona formation and macrophage uptake is the key to improving the delivery efficiency of nanocarriers. Herein, we present a kind of cross-linking poly(ethylene glycol) (CL-PEG) shell-wrapped gold nanoparticles (namely, AuCL-PEG NPs), which show much enhanced stealth effect and colloidal stability in physiological environments. Compared to the AuNPs coated with conventional linear PEGs (namely, Au@PEG NPs), Au@CL-PEG NPs have a greater ability to resist protein adsorption and thus show reduced cellular uptake by macrophages. In addition, the Au@CL-PEG NPs show higher chemical and colloidal stability under different extreme conditions than the conventional Au@PEG NPs. The CL-PEGylation strategy provides a new window for the surface functionalization of nanomaterials, indicating great promise for the development of high-performance nanomedicines 
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700 1 |a Wang, Fengchao  |e verfasserin  |4 aut 
700 1 |a Di, Huixia  |e verfasserin  |4 aut 
700 1 |a Liu, Xuehui  |e verfasserin  |4 aut 
700 1 |a Zhang, Pengjuan  |e verfasserin  |4 aut 
700 1 |a Zhou, Wen  |e verfasserin  |4 aut 
700 1 |a Liu, Dingbin  |e verfasserin  |4 aut 
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