Fig. 2: Simulated and experimental convective flow in water droplet on SHS for molecules driven. | Communications Biology

Fig. 2: Simulated and experimental convective flow in water droplet on SHS for molecules driven.

From: A droplet reactor on a super-hydrophobic surface allows control and characterization of amyloid fibril growth

Fig. 2

a Simulated convective flow field in droplet driven by buoyancy force at ΔT = 20 K and at b, ΔT = 25 K. c thermal imaging of water droplet on hotplate at ΔT = 20 K and at d, ΔT = 25 K. e Experimental convective flow at ΔT = 20 K and at f, ΔT = 25 K. g Amyloid fibrils driven by confined convection flow in droplet at ΔT = 25 K. The closed loops indicate the total circulation of in droplet and the red arrow indicates the circulation direction. In general, the convection loop is pairwise, as we showed previously. Here one of the loop is observed clearly, and the paired one is on the “back-side” of the droplet as shown with blue line. h–l Real-time tracking of a typical amyloid fibrils assembling and growing driven by confined convective flow. Time stamps indicate the different frames of the imaging flow.

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