Streptavidin 40 nm BioReady Gold Nanospheres

SKU: AUIR40-200U
Regular price $150.00 USD
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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.

40 nm streptavidin-conjugated spherical gold nanoparticles combine strong plasmonic optical properties with readily biofunctionalized surface chemistry. These nanoparticles are used in applications such as immunodiagnostics, lateral flow assays, biosensors, and more.

nanoComposix provides high quality nanomaterials that are precisely engineered and highly characterized. All products are supplied with batch-specific CoA’s including TEM, DLS, Zeta, and UV-Vis characterization data.

Intended for Research Use Only. Contact us for custom formulations, ISO 13485/cGMP compliant materials, or bulk supply requirements.

Solvent 1X PBS, 0.5% BSA, and 0.05% azide
Surface chemistry Streptavidin
TEM Diameter 40 ± 4 nm
CV ≤ 15%
Example Certificate of Analysis (CoA) Download
Safety Data Sheet (SDS) 10 OD (BioReady)
Storage & Handling Download
Protocols Antibody Purification
BioReady Streptavidin Gold Conjugation Protocol
Expected Ranges
Hydrodynamic diameter (DLS) 50–75 nm
Zeta potential ≤ –10 mV
pH of solution 6.8–8.2
Peak wavelength (λmax) 520–530 nm