From: Silica nanoparticles for the layer-by-layer assembly of fully electro-active cytochrome c multilayers
SiO2-nanoparticles
Bare
SiO2 spheres
Modified SiO2-NH2 spheres
Modified SiO2-CO2H spheres
Zeta-potential (mV)
-41.44
+39.63
-54.71