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Effect of high voltage on width of electrohydrodynamically printed filament. (A–C) Morphology of the extruded filaments as the core nozzle diameter changed from 160 μm to 410 μm. (D–E) Morphology of the electrohydrodynamically printed filaments with the voltage of 4.5 kV as the core nozzle diameter changed from 160 μm to 410 μm. (G) Quantification of the width of the printed filament.
