SWCNT PEG-eggs: Single-walled carbon nanotubes in biocompatible shell-crosslinked micelles

被引：41
|
作者：
Wang, Runtang
Cherukuri, Paul
Duque, Juan G.
Leeuw, Tonya K.
Lackey, Melinda K.
Moran, Christine H.
Moore, Valerie C.
Conyers, Jodie L.
Smalley, Richard E.
Schmidt, Howard K.
Weisman, R. Bruce
Engel, Paul S.
机构：
[1] Rice Univ, Dept Chem, Houston, TX 77251 USA
[2] Rice Univ, Dept Chem & Biomol Engn, Houston, TX 77251 USA
[3] Univ Texas, Hlth Sci Ctr, Dept Internal Med Cardiol, Houston, TX 77030 USA
[4] Rice Univ, Carbon Nanotechnol Lab, RE Smalley Inst Nanoscale Sci & Technol, Houston, TX 77251 USA
来源：
CARBON | 2007年 / 45卷 / 12期
基金：
美国国家科学基金会; 美国国家航空航天局;
关键词：
D O I：
10.1016/j.carbon.2007.07.006
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Pristine, individualized single-walled carbon nanotubes (SWCNTs) have been noncovalently captured within PEG-terminated block copolymer amphiphiles. Two cross-linkable amphiphiles were evaluated: polyethylene glycol-polyacrylic acid-polystyrene (PEG-PAAPS) and polyethylene glycol-polybutadiene (PEG-PB). The resulting self-assembled PEG-PAA-PS structures, called PEG-eggs, are freely soluble in water and stable in physiological media. SWCNTs in PEG-eggs retain their intrinsic near-infrared fluorescence, resist exchange with serum proteins, and are non-cytotoxic to mouse macrophage and human renal cells based on in vitro viability assays. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2388 / 2393
页数：6
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