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首页> 外文期刊>RSC Advances >Blue-emitting and amphibious metal (Cu, Ni, Pt, Pd) nanodots prepared within supramolecular polymeric micelles for cellular imaging applications
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Blue-emitting and amphibious metal (Cu, Ni, Pt, Pd) nanodots prepared within supramolecular polymeric micelles for cellular imaging applications

机译：用于细胞成像应用的超分子聚合物胶束中制备的蓝色发光和两栖金属（Cu，Ni，Pt，PD）纳米蛋白

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摘要

We propose a new method for the preparation of blue-emitting and amphibious metal (Cu, Ni, Pt, Pd) nanodots using supramolecular polymeric micelle nanoreactors. The supramolecular polymeric micelles were constructed by electrostatic interactions between hyperbranched poly(ethylenimine)s (HPEI) and palmitic acid (PA). After encapsulation of the metal ions and subsequent reduction by NaBH _(4) , blue-emitting metal nanodots in chloroform phase were formed. The resulting metal nanodots could be phase transferred from chloroform phase to aqueous phase by adding triethylamine, thus aqueous metal nanodots in the form of metal nanodot/HPEI could be obtained. The aqueous metal nanodot/HPEI exhibited preeminent fluorescence properties for bio-imaging. The fluorescent metal nanodot/HPEI integrates the fluorescence property of metal dots with the gene transfection character of HPEI, indicating an ideal fluorescence probe for tracking gene transfection behaviour.
机译：我们提出了一种使用超分子聚合物胶束纳米反应器制备蓝色发光和两栖金属（Cu，Ni，Pt，Pd）纳米型的新方法。通过超支化聚（乙基亚胺）（HPEI）和棕榈酸（PA）之间的静电相互作用构建超分子聚合物胶束。在封装金属离子并随后通过NaBH _（4）还原后，形成氯仿相中的蓝色发射金属纳米蛋白。通过加入三乙胺，可以将所得金属纳米蛋白从氯仿相与水相转移到水相中，从而可以获得金属纳米型/ HPEI形式的含水金属纳米蛋白。含水金属纳米液/ HPEI表现出对生物成像的荧光性质。荧光金属纳米孔/ HPEI与HPEI的基因转染特征集成了金属点的荧光特性，表明用于跟踪基因转染行为的理想荧光探针。

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