Joshua A. Hagen

Molecular beam deposition of DNA nanometer films.

Biofunctionalized zinc oxide field effect transistors for selective sensing of riboflavin with current modulation.

Point-of-care colorimetric detection with a smartphone.

Optimization of a paper-based ELISA for a human performance biomarker.

Paper pump for passive and programmable transport.

Pentacene organic thin-film transistors on flexible paper and glass substrates.

Colorimetric detection with aptamer-gold nanoparticle conjugates coupled to an android-based color analysis application for use in the field.

Plasmonic aptamer-gold nanoparticle sensors for small molecule fingerprint identification.

System-level design of an RFID sweat electrolyte sensor patch.