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NanoXact Gold Nanospheres – Silica Shelled

The standard (silanol) silica surface on our silica shelled gold nanospheres increases stability in a wide range of solvents. Learn more ❯

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

Provided at 1 mg/mL in ethanol.

Don’t see the size you’re looking for? Please contact us about custom and semi-custom ordering.

Select Diameter
Select Volume

Bulk purchasing options are available – please contact us if you are interested

Typically ships within 5 business days

Product number: AUSH20-1M

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Specifications & CoA

TEM Core Diameter TEM Shell Thickness Size Distribution (CV) Example Certificate of Analysis
(How do I read this?)
20 nm ± 3 nm 20 nm ± 5 nm ≤ 15% Download Example CoA
50 nm ± 4 nm 20 nm ± 5 nm ≤ 15% Download Example CoA
100 nm ± 8 nm 20 nm ± 5 nm ≤ 15% Download Example CoA

Note: approximate ranges below are dependent on diameter

  • Hydrodynamic diameter (DLS): TEM diameter plus 15 to 80 nm
  • Zeta potential: –10 to –55 mV
  • Particle surface: silanol
  • Solvent: ethanol
  • Peak wavelength (λmax): 525 to 590 nm

Molarity and particle concentration table ❯

More Info & Documentation

nanoComposix University

AUSH 20nm 50nm 60nm 90nm 100nm 140nm

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