Battery-Free Drug Delivery Patches

Purdue University image/Manuel Ochoa

Purdue University researchers have developed a body heat activated, fermentation-powered micropump containing Baker’s yeast and sugar.  The tiny pump will be incorporated in drug-delivery patches and will generate carbon dioxide as fermentation occurs, creating enough pressure to dispense medication from a “drug sack” at the top of the chamber. The patch, along with embedded drug-delivery microneedles, will soon be able to easily and virtually painlessly deliver a large variety of medications to patients.

(Source: Purdue University)

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