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Preparation of a polymer surface coated with a gradient of quantum dots

机译:制备涂覆有量子点梯度的聚合物表面

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In the present study, we generated a polyethylene surface coated with a gradient of quantum dots for use in imaging experiments. The polyethylene surface was first treated with increasing coronal discharge along its length. Next, the surface was reacted with branched polyethyleneimine followed by biotin to produce a polyethylene surface with a gradient of biotin. Finally, the biotin-coated surface was reacted with streptavidin-coated quantum dots. Fluorescent imaging showed that the fluorescence intensity from the quantum dots gradually increased along its length. Such quantum-dot-modified gradient polyethylene surfaces may be useful in biomedical analyses.
机译:在本研究中,我们生成了一个涂有量子点梯度的聚乙烯表面,用于成像实验。首先对聚乙烯表面沿其长度增加日冕放电进行处理。接下来,使表面与支化的聚乙烯亚胺反应,然后与生物素反应,以产生具有生物素梯度的聚乙烯表面。最后,使生物素包被的表面与链霉亲和素包被的量子点反应。荧光成像表明,来自量子点的荧光强度沿其长度逐渐增加。这种量子点修饰的梯度聚乙烯表面可用于生物医学分析。

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