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Self-Assembled Fluorescent Organic Nanoparticles for Live-Cell Imaging

机译:自组装荧光有机纳米粒子的活细胞成像

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摘要

Fluorescent, cell-permeable, organic nanoparticles based on self-assembled p-conjugated oligomers with high absorption cross-sections and high quantum yields have been developed. The nanoparticles are generated with a tuneable density of amino groups for charge-mediated cellular uptake by a straightforward self-assembly protocol, which allows for control over size and toxicity. The results show that a single amino group per ten oligomers is sufficient to achieve cellular uptake. The non-toxic nanoparticles are suit-able for both one-and two-photon cellular imaging and flow cytometry, and undergo very efficient cellular uptake.
机译:基于具有高吸收截面和高量子产率的自组装p-共轭低聚物的荧光,可渗透细胞的有机纳米颗粒已经被开发出来。通过直接的自组装方案产生具有可调节的氨基密度的纳米颗粒,用于电荷介导的细胞摄取,从而可以控制大小和毒性。结果表明,每十个低聚物中有一个氨基足以实现细胞摄取。无毒纳米颗粒既适合于单光子细胞成像,也适合于两光子细胞成像和流式细胞仪,并且细胞吸收非常有效。

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