Peak λ 660 nm Gold Nanoshells
Customers outside of the US & Canada: please visit your local distributor’s website to purchase this item using its SKU, or contact us here. Thank you!
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.
660 nm peak resonance (SPR) gold nanoshells combine strong plasmonic optical properties with versatile surface functionalization capabilities. These nanoparticles are compatible with conventional 650 nm lasers and are useful in a broad range of applications from immunodiagnostics, biosensors, sensing, photothermal therapy, SERS, optical filters, 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 bulk supply requirements.
| Overview | |||
|---|---|---|---|
| Surface | Carboxyl | PEG | PVP |
| Description | Covalently bound. Conjugatable surface. | Highest stability in aqueous buffers and polar organic solvents. | Large polymer surface. Stable in a wide variety of solvents. |
| Solvent | 0.02 mM potassium carbonate | USP Purified Water | USP Purified Water |
| Surface chemistry | Lipoic acid | mPEG 5 kDa | PVP 40 kDa |
| Specifications | |||
| Surface | Carboxyl | PEG | PVP |
| Peak wavelength (> 90% peak absorbance) | 660 nm | 660 nm | 660 nm |
| Silica Core Diameter | 80 ± 5 nm | 80 ± 5 nm | 80 ± 5 nm |
| Gold Shell Thickness | 20 ± 7 nm | 20 ± 7 nm | 20 ± 7 nm |
| Documents | |||
| Surface | Carboxyl | PEG | PVP |
| Example Certificate of Analysis (CoA) | Download | Download | Download |
| Storage & Handling | Download | Download | Download |
| Safety Data Sheet (SDS) | 0.05 mg/mL (NanoXact) 1 mg/mL (NanoXact) |
0.05 mg/mL (NanoXact) 1 mg/mL (NanoXact) |
0.05 mg/mL (NanoXact) 1 mg/mL (NanoXact) |
| Expected Ranges | |||
| Surface | Carboxyl | PEG | PVP |
| Hydrodynamic diameter (DLS) | TEM diameter + 20–30 nm | TEM diameter + 20–50 nm | TEM diameter + 20–70 nm |
| Zeta potential | ≤ –25 mV | ≤ –15 mV | ≤ –25 mV |
| pH of solution | 5.0–7.5 | 5.0–7.5 | 5.0–7.5 |