Hydrogel microneedles
Biocompatible
Pain-free
Skin-compatible
Access to interstitial
fluid for monitoring
and delivery
Aptamers
Nucleic acid analogues
of antibodiesSelected and manufactured in vitro
Targets a wide range
of biomarkersProgrammable to capture and sense or capture and release
Electrochemical readout
Signal generation using redox aptamers
Continuous signal readout
Wearable and
miniaturized readers
at a low cost