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Using Four-Dimensional Electron Microscopy to Track Diffusion of Nanoparticles in a Liquid

Photoinduced nanobubble-driven superfast diffusion of nanoparticles imaged by 4D electron microscopy

4D imaging of nanoparticle diffusion in liquid.

October 9, 2017 | Source: PHYS.ORG, phys.org/news, 28 Aug 2017, Bob Yirka

A team of researchers at Caltech has developed a way to capture on film the superfast propulsive motion of Brownian objects, particularly those at the nanoscale. In their paper published on the open-access site Science Advances, the team describes using four-dimensional electron microscopy techniques to capture real-time imagery of gold nanoparticles as they diffused in a liquid.