Spatially Controllable DNA Condensation by a Water-Soluble Supramolecular Hybrid of Single-Walled Carbon Nanotubes and β-Cyclodextrin-Tethered Ruthenium Complexes

被引：25

作者：

Yu, Miao ^{[2
]}

Zu, Sheng-Zhen ^{[1
]}

Chen, Yong ^{[2
]}

Liu, Yu-Ping ^{[3
]}

Han, Bao-Hang ^{[1
]}

Liu, Yu ^{[2
]}

机构：

[1] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China

[2] Nankai Univ, State Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China

[3] Nankai Univ, Res Ctr Analyt Sci, Tianjin 300071, Peoples R China

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2010年 / 16卷 / 04期

关键词：

cyclodextrins; DNA; ruthenium; nanotubes; single-walled carbon nanotubes; GENE DELIVERY; PLASMID DNA; INTRACELLULAR DELIVERY; SURFACE MODIFICATION; BLOCK-COPOLYMERS; SIRNA DELIVERY; IN-VITRO; FUNCTIONALIZATION; VECTORS; BINDING;

D O I：

10.1002/chem.200902627

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A supramolecular hybrid is prepared by the supramolecular surface modification of single-walled carbon nanotube (SWCNT) with cationic beta-cyclodextrin-tethered ruthenium complexes through a spacer molecule that contains both an adamantane and a pyrene moiety. By employing the supramolecular hybrid, spatially controllable DNA condensation along the SWCNT skeleton is achieved by anchoring cationic ruthenium complexes on the surface. Furthermore, because of the unique physiological properties of SWCNTs, the cationic supramolecular hybrid can be used as a nonviral gene delivery system with the ruthenium complexes as a fluorescent probe to monitor uptake of DNA by cells.

引用

页码：1168 / 1174

页数：7

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