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Gold nanoparticles for applications in diagnostics, biomedical therapies, and plasmonics.
We make over 100 different variants of spherical gold nanoparticles. To help you decide which product is best, narrow your choice by Product Line, Surface, or Size below:
Surface | Charge | Characteristics | Buy | NCX University |
---|---|---|---|---|
Bare (Citrate) | Easiest standard surface to displace with other molecules. | See products | Learn more | |
Aminated (BPEI) | Covalently bound. Conjugatable surface. | See products | Learn more | |
Carbonate | For biocojugation. Smaller, less complex molecule with a lower affinity to gold nanoparticle surface than citrate. | See products | Learn more | |
Carboxyl/Lipoic Acid | Covalently bound. Conjugatable surface. | See products | Learn more | |
Dodecanethiol | Redispersible and stable in non-polar organic solvents. | See products | Learn more | |
NHS | For quick and easy bioconjugation – no EDC/NHS activation required. | See products | ||
PEG | Highest stability in aqueous buffers and polar organic solvents. | See products | Learn more | |
Polystyrene | Hydrophobic surface that allows for dispersion in a wide range of polar organic solvents. | See products | Learn more | |
PVP | Large polymer surface. Stable in a wide variety of solvents. | See products | Learn more | |
Silica Shell | Greatest solvent compatibility. Preserves plasmonic properties upon deposition. | See products | Learn more | |
Silica Shell (Aminated) | Conjugatable surface. Greatest solvent compatibility. Preserves plasmonic properties upon deposition. | See products | Learn more | |
Streptavidin | For convenient bioconjugation of any biotinylated antibody, protein, or oligonucleotide. | See products | ||
Tannic Acid | Less easily displaced than citrate but stable in more buffers. | See products | Learn more | |
Do none of these work for you? Request a Custom Surface |
Still not sure? Take a look at our handy guide: