温度和pH响应性单壁碳纳米管分散体。
Temperature and pH-responsive single-walled carbon nanotube dispersions.
作者信息
Wang Dan, Chen Liwei
机构信息
Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, USA.
出版信息
Nano Lett. 2007 Jun;7(6):1480-4. doi: 10.1021/nl070172v. Epub 2007 May 8.
Solubilization of single-walled carbon nanotubes (SWNTs) using noncovalently interacting polymer surfactants in aqueous media has opened up a new vista of SWNTs in biology and medicine. In many potential applications, it is desirable to control the dispersion or aggregation of SWNTs in solvents with external stimuli. Here we report two "smart" SWNT dispersions that respond to temperature and pH changes in poly(N-isopropylacrylamide) and poly-L-lysine solutions.
在水性介质中使用非共价相互作用的聚合物表面活性剂来增溶单壁碳纳米管（SWNTs），为SWNTs在生物学和医学领域开辟了新前景。在许多潜在应用中，期望通过外部刺激来控制SWNTs在溶剂中的分散或聚集。在此，我们报道了两种“智能”SWNT分散体，它们分别对聚（N-异丙基丙烯酰胺）和聚-L-赖氨酸溶液中的温度和pH变化作出响应。
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