Nanoparticles (NP) with optical properties embedded silica particles have been widely used in various fields because of their unique properties. The surfaces of optical NPs have been modified with various organic ligands to maintain their unique optical properties and colloidal stability. Among the surface modification methods. silica encapsulation of optical NPs is widely used to enh... https://www.nacrack.com/quick-buy-Whelen-Arges-Remote-Spotlight-amazing-deal/