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❮ Carboxyl (Lipoic Acid)

NanoXact Gold Nanoshells – Carboxyl (Lipoic Acid)·

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. Learn more ❯

Carboxyl (lipoic acid) is covalently bound to the metal surface with a dithiol which forms a strong, stable bond to the metal surface. The acid provides a highly negatively charged surface. Learn more ❯

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles. Learn more ❯

Provided at 0.05 mg/mL or 1 mg/mL in 0.02 mM potassium carbonate.

Peak Wavelength & Diameter
Concentration
Select Volume

Product number: GSLN660-25M

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Specifications & CoA

Peak Wavelength
(> 90% peak absorbance)
Silica Core Diameter Gold Shell Thickness
660 nm 80 nm ± 5 nm 20 nm ± 7 nm
800 nm 120 nm ± 4 nm 20 nm ± 7 nm
980 nm 200 nm ± 10 nm 20 nm ± 7 nm
Peak Wavelength
(> 90% peak absorbance)
Optical Density Example Certificate of Analysis
(How do I read this?)
660 nm 0.05 mg/mL Download Example CoA
660 nm 1 mg/mL Download Example CoA
800 nm 0.05 mg/mL Download Example CoA
800 nm 1 mg/mL Download Example CoA
980 nm 0.05 mg/mL Download Example CoA
980 nm 1 mg/mL Download Example CoA

Note: approximate ranges below are dependent on size

  • Hydrodynamic diameter (DLS): TEM diameter plus 0 to 30 nm
  • Zeta potential: –25 to –70 mV
  • pH of solution: 5.0 to 7.5
  • Particle surface: lipoic acid
  • Solvent: 0.02 mM potassium carbonate

More Info & Documentation

nanoComposix University

Peer-Reviewed Papers

GSLN GSLH 660nm 800nm 980nm 120nm 160nm 240nm



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