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Evaluation of dispersants for dispersing/solubilizing purified HiPco SWNTs in aqueous medium via vis-NIR spectrophotometry method

机译：可见-近红外分光光度法评估用于纯化/纯化的HiPco SWNT在水性介质中的分散剂

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The purpose of this study was to evaluate the effectiveness of dispersants for dispersing/solubilizing single-walled carbon nanotubes (SWNTs) in aqueous medium, and screen appropriate dispersants for the application of Nano Risk evaluation. A modified ultrasonication method with the aid of glass balls was used to disperse purified HiPco SWNTs in aqueous solutions containing various dispersants. The resultant SWNTs dispersions were characterized with UV-vis-NIR spectrophotometer, optical microscope, and TEM, and it was revealed that the SWNTs dispersions contained mainly single tubes or small bundles. Three dispersants (Sodium deoxycholate, Cremophor RH60, and vitamin E TPGS) were screened out from 14 candidate dispersants. It was concluded that UV-vis-NIR is a simple and useful method for evaluating the effectiveness of SWNTs dispersants.

机译：这项研究的目的是评估分散剂在水性介质中分散/增溶单壁碳纳米管（SWNTs）的有效性，并筛选出适用于Nano Risk评价的分散剂。借助于玻璃球的改进的超声处理方法被用于将纯化的HiPco SWNTs分散在含有各种分散剂的水溶液中。用UV-vis-NIR分光光度计，光学显微镜和TEM对所得的SWNTs分散体进行表征，并且发现SWNTs分散体主要包含单管或小束。从14种候选分散剂中筛选出3种分散剂（脱氧胆酸钠，Cremophor RH60和维生素E TPGS）。结论是，UV-vis-NIR是评估SWNTs分散剂有效性的一种简单而有用的方法。

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《Asian Particle Technology Symposium》|2007年|904-911|共8页
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作者
L.J.Xu; B.Wang; Q.Z.Sun;
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正文语种
中图分类粒子物理学;
关键词
Nano Risk; single-walled carbon nanotubes (SWNTs); dispersion, surfactant; vis-NIR;

机译：纳米风险;单壁碳纳米管（SWNTs）;分散剂，表面活性剂; vis-NIR;

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Evaluation of dispersants for dispersing/solubilizing purified HiPco SWNTs in aqueous medium via vis-NIR spectrophotometry method

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