50 nm Ultra Uniform Gold Nanospheres
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As a global leader in gold nanoparticle production, nanoComposix specializes in providing high-purity and monodisperse nanomaterials – delivering the quality you need for consistent results.
50 nm Ultra Uniform spherical gold nanoparticles combine nearly perfect spherical shape, narrow size distribution, and strong plasmonic optical properties. These nanoparticles are useful in a broad range of applications from reference standards for size and particle number, biological labels, nanomedicine, drug delivery, biosensors, and more.
nanoComposix provides high quality nanomaterials that are precisely engineered and highly characterized. All our products are supplied with a batch-specific Certificate of Analysis including characterization data such as TEM, DLS, Zeta, and UV-Vis.
Intended for Research Use Only. Contact us for custom formulations, ISO 13485/cGMP compliant materials, or click below for bulk supply requirements.
| Overview | |
|---|---|
| Surface | PEG-Carboxyl |
| Description | Covalently bound. Conjugatable surface. |
| Solvent | 2 mM sodium citrate solution |
| Surface chemistry | PEG12-carboxylic acid |
| Specifications | |
| TEM Diameter | 50 ± 2 nm |
| CV | ≤ 5% |
| Documents | |
| Example Certificate of Analysis (CoA) | Download |
| Safety Data Sheet (SDS) | 0.05 mg/mL (Ultra Uniform) |
| Storage & Handling | Download |
| Expected Ranges | |
| Hydrodynamic diameter (DLS) | TEM diameter + 8–12 nm |
| Zeta potential | ≤ –15 mV |
| pH of solution | 7.0–8.0 |
| Peak wavelength (λmax) | 515–560 nm |