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Bioengineering
3d轨道跟踪的改进双光子显微镜之应用:细胞内的囊泡的跟踪
3d轨道跟踪的改进双光子显微镜之应用:细胞内的囊泡的跟踪
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
3D Orbital Tracking in a Modified Two-photon Microscope: An Application to the Tracking of Intracellular Vesicles

3d轨道跟踪的改进双光子显微镜之应用:细胞内的囊泡的跟踪

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10,689 Views
11:28 min
October 1, 2014

DOI: 10.3791/51794-v

Andrea Anzalone*1, Paolo Annibale*1, Enrico Gratton1

1Biomedical Engineering, Laboratory for Fluorescence Dynamics,University of California, Irvine

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Please note that some of the translations on this page are AI generated. Click here for the English version.

在这个视频协议中,我们使用改进的双光子显微镜中的轨道跟踪方法,以高速和三维方式跟踪活细胞内荧光标记的溶酶体。

该程序的总体目标是说明如何跟踪快速移动的细胞器,例如溶酶体在活细胞内以 3D 形式移动。这是通过首先在培养的活细胞内使用特定的商业染料对溶酶体和微管进行染色来实现的。第二步是利用激光扫描显微镜,采用轨道跟踪方法,高速跟踪溶酶体的运动,然后选择轨道大小和其他参数,如系统的频率响应,进行跟踪实验。

最终,结果表明,可以在三个维度上跟踪快速移动的溶酶体,并检测在跟踪过程中沿激光轨道遇到的其他荧光染色细胞器的相互作用。与其他现有方法相比,3D跟踪方法的主要优点是,例如基于散光,是3D跟踪方法允许我们跟踪非常大范围的痴呆。这种方法可以帮助提出囊泡运输领域的关键问题,例如囊泡如何沿着微管移动。

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