Fabrication of Microneedle Using Exosomes Isolated from Mouse Ovarian Epithelial Cancer Cells

To begin, mix components A and B of polydimethylsiloxane, or PDMS, in a ratio of 10 to one. After stirring the mixture well, pour the mixture into a master mold. Place the PDMS mold under a pressure of one pound per square inch for 15 minutes to r