
Tracking cell fate with imaging nanoprobe of two optically quenched polyelectrolytes
Multilayered nanoprobe using poly-D-lysine (PDL)–fluorescein isothiocyanate (FITC)/poly-L-lysine (PLL)-cyanine dye 5.5 (cy5.5) and poly (acrylic acid) (PAA) as charged polyelectrolytes. (Nat. Commun.: Oct 17, 2014)

Life-to-death imaging
Cell fate imaging probe in vitro and in vivo

Gene silencing by multilayered, siRNA-coated gold nanoparticles
Preparation of multi-layered small interfering RNA (siRNA)-coated gold nanoparticles (sRAuNPs) using siRNA and poly-L-lysine (PLL) as the charged electrolytes