| abstract |
Disclosed is a nanoparticle comprising a water-insoluble polymer matrix and one or more indicator components, wherein the one or more indicator components are released from the nanoparticle only when the polymer matrix is degraded or destroyed an indicator component, which then triggers or enhances the indicator effect. Also disclosed are a nanoparticle-based method for screening biologically active substances and a microfluidic-based screening system. |