β-环糊精修饰荧光金纳米簇/银纳米粒供应
作者:互联网
A new kind of highly f luorescent AuNCs functionalized with/3-cyclodextrin (CD) was preparedby using one—pot aqueous reduction of gold precursor. Aqueous dispersion of these red AuNCs exhibitsgood long—term colloidal stability as well as f l uorescent stability. The average diameter of AuNCs. CD iS
(1.40_ +0.32)nm as deter m ined by transmission electron microscopy (TEM). Confocal microscopic observationshows that AuNCs—CD can penetrate into cells and mainly localize within the cytoplasm. In vitrocytotoxicity assay indicates that the AuNCs—CD displays very low cytotoxiciy against human lung
adenocarcinoma A549 cells. Cyclodextrin modification is expected to make AuNCs more versatile forencapsulation of hydrophobic drugs and functionalization with targeting moieties, which will broaden thepotential of AuNCs—CD f o r biomedical applications.
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标签:纳米,CD,萘酚,环糊精,修饰,沸石 来源: https://blog.csdn.net/qiyuebio/article/details/114328956