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. 2021 Apr 23;8(5):50. doi: 10.3390/bioengineering8050050

Figure 4.

Figure 4

Diagram of the fabrication of nano/microfibers using a conventional electrospinning setup. First, a polymer solution is a pump through a capillary, commonly using a syringe pump. Then the working distance (WD) is set. The high voltage source with positive polarity is connected to the capillary and negative polarity connected to a grounded collector. As the polymer solution flows through the tip of the capillary it forms a jet that travels towards the collector.