As a global leader in gold nanoparticle production, nanoComposix excels in offering high-purity, monodisperse nanomaterials, guaranteeing the quality required for reliable results.
40 nm spherical gold nanoparticles for passive adsorption combine strong plasmonic optical properties with surface chemistry tailored for passive adsorption. These nanoparticles are utilized in various applications, including immunodiagnostics, lateral flow assays, nanomedicine, drug delivery, biosensors, and more.
nanoComposix offers high-quality nanomaterials that are precisely engineered and extensively characterized. Each product is supplied with batch-specific Certificates of Analysis (CoA) that include TEM, DLS, Zeta potential, and UV-Vis characterization data.
Image Credit: nanoComposix
Image Credit: nanoComposix
Source: nanoComposix
| Overview |
| Surface |
Citrate |
| Description |
Easiest standard surface to displace with other molecules. |
| Solvent |
0.02 mM sodium citrate |
| Surface chemistry |
Sodium citrate |
| Specifications |
| TEM Diameter |
40 ± 4 nm |
| CV |
≤ 15% |
| Expected Ranges |
| Hydrodynamic diameter (DLS) |
TEM diameter + 0–10 nm |
| Zeta potential |
≤ –25 mV |
| pH of solution |
5.5–8.0 |
| Peak wavelength (λmax) |
520–550 nm |