A Self-Powered Implantable Drug-Delivery System Using Biokinetic Energy.

Song, Peiyi; Kuang, Shuangyang; Panwar, Nishtha; Yang, Guang; Tng, Danny Jian Hang; Tjin, Swee Chuan; Ng, Wun Jern; Majid, Maszenan Bin Abdul et al. · Adv Mater · 2017

basic_science · Level V

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Abstract

The first triboelectric-nanogenerator (TENG)-based self-powered implantable drug-delivery system is presented. Pumping flow rates from 5.3 to 40 µL min<sup>-1</sup> under different rotating speeds of the TENG are realized. The implantable drug-delivery system can be powered with a TENG device rotated by human hand motion. Ex vivo trans-sclera drug delivery in porcine eyes is demonstrated by utilizing the biokinetic energies of human hands.