Organische Makromolekulare Chemie, Saarland University, Campus Geb. C4.2, D-66123, Saarbrücken, Germany.
Beilstein J Org Chem. 2012;8:1644-51. doi: 10.3762/bjoc.8.188. Epub 2012 Sep 28.
Various hydrophilic γ-cyclodextrin (CD) thioethers, containing neutral or ionic side arms were found to form molecular disperse solutions of C(60) in water reaching concentrations of 15 mg/L. Equilibrium state was approached after seven days without the use of organic cosolvents. The 1:2 stoichiometry of the C(60)/γ-CD thioether complexes was demonstrated by a parabolic phase-solubility diagram. In contrast, native γ-CD forms nanoparticles with C(60). Particle sizes of C(60) were determined by dynamic light scattering.
各种亲水性的γ-环糊精（CD）硫醚，含有中性或离子侧臂，被发现可以在水中形成 C（60）的分子分散溶液，浓度达到 15mg/L。在不使用有机溶剂的情况下，经过七天即可达到平衡状态。C（60）/γ-CD 硫醚配合物的 1:2 化学计量比通过抛物线相溶解度图得到证明。相比之下，天然γ-CD 与 C（60）形成纳米颗粒。通过动态光散射法测定 C（60）的粒径。
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