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Real-Time 3D Single-Particle Tracking: Spectroscopy and Imaging

发布时间:2018-01-02   访问人数:

报告人:Haw Yang

报告人单位:Department of Chemistry, Princeton University

报告地点:就业指导中心一楼多功能厅

报告时间:2018年1月3日上午8:30-9:10

举办单位:多酸科学教育部重点实验室

Abs

Real-time 3D single-particle tracking spectroscopy is an experimental technique that allows one to follow a nanoprobe as its moves in three-dimensional space, either by diffusion or by active locomotion. The technique keeps the nanoprobe at the center of the focus at all times by moving the sample stage to counter any movements that the probe exhibits.

Effectively, the apparatus transforms the experimental coordinate from lab-based from to probe-based frame. This way, it would become possible to do time-dependent experiments on the probe or the molecule tethered to the probe as if the particle or molecules are immobilized. This presentation will discuss its principles , capabilities , and applications—including (1) 3D multi-resolution imaging of virus-like particle interacting with a live cell , and (2) steering of self-propelled micro-swimmers and its implications in bacterial locomotion.

 

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