Abstract
In this paper, we propose an electrospraying microfluidic chip which utilizes the microfluidic cross-junction and strong electric field to generate uniform emulsions and fiber. Our strategy was based on flow-focusing for the formation of a series emulsions by changing concentration of span 80 and applying the electric field to control the size of emulsion. In the results, as the electric filed increased, the size of the emulsion decreased. In additional, the fiber is generated at high voltage of 5000V. When applying the electric field, the Taylor cone is form and generates the smaller emulsions and fibers, the minimum PLGA emulsion size is about 4μm and fiber is about 7μm width.
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