nanoComposix is now a Fortis Life Sciences Company. Learn more + Email Newsletter Signup
❮ BioReady: Conjugation-Ready

BioReady Gold Nanospheres – Bare (Citrate)

Citrate is the most common stabilizer used for passive conjugation to gold. The “bare” particle surface is stabilized with weakly-associated citrate molecules that can be easily displaced for passive conjugation. Learn more ❯

New: Read about our Expanded Manufacturing Capability for Large Scale Production of 40 nm Gold Nanoparticles

BioReady products are specially formulated for the attachment of a molecular recognition element such as an antibody for lateral flow and biodiagnostics. Learn more ❯

Provided at 20 OD in aqueous .02 mM sodium citrate.


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: AUCR40-5M

Continue Shopping or View Cart

Specifications & CoA

TEM Diameter Size Distribution (CV) Example Certificate of Analysis
(How do I read this?)
40 nm ± 4 nm ≤ 15% Download Example CoA
80 nm ± 5 nm ≤ 15% Download Example CoA

Note: approximate ranges below are dependent on diameter

  • Hydrodynamic diameter (DLS): TEM diameter plus to 10 nm
  • Zeta potential: –25 to –80 mV
  • pH of solution: 5.5 to 8.0
  • Particle surface: citrate
  • Solvent: aqueous .02 mM sodium citrate
  • Peak wavelength (λmax): 520 to 550 nm

More Info & Documentation


nanoComposix University

Peer-Reviewed Papers

AUCR 40nm 80nm

Related Items