Drug Eluting Nanoelectrode Array
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In drug delivery, microneedles offer many unique characteristics which can improve the delivery of drugs into delicate tissues and tissue systems. These needles can be fabricated from a variety of materials including metals, ceramics, and polymers. This project aims to demonstrate a carbon nanotube based microneedle is also possible. By growing vertically aligned carbon nanotubes around a pore, these new microneedles can significantly decrease the diameter of needles used for drug delivery into delicate tissue. Needle diameter is an important factor for drug delivery into delicate tissues such as the central nervous system due to the body's natural healing reponse, glial scarring. By significantly decreasing the needle size from millimeters to nanometers, the amount and size of glial scarring can be reduced and therefore improve drug delivery. Although no complete samples were successfully fabricated in this study, much knowledge and insight was gained on the process for CNT-based microneedle fabrication.