Gold nanoshells consist of a silica core surrounded by a gold shell. By changing the ratio of the size of the core to the thickness of the shell, the plasmon resonance can be tuned across the visible and infrared.
Polyethylene glycol (PEG) is a 5 kda ligand that is covalently bound to the particles surface. The PEG surface provides the highest stability in aqueous buffers and protic solvents.
NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles.
Provided at 0.05 mg/mL or 1 mg/mL in water.
Peak Wavelength & Diameter
Peak 660 nm 120 nm diameter
Peak 800 nm 160 nm diameter
Peak 980 nm 240 nm diameter
Concentration: 0.05 mg/mL in water1 mg/mL in water