As a global leader in gold nanoparticle production, AP USA specializes in providing high-purity and monodisperse nanomaterials – delivering the quality you need for consistent results.
50 nm spherical…
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10000 in stock
As a global leader in gold nanoparticle production, AP USA specializes in providing high-purity and monodisperse nanomaterials – delivering the quality you need for consistent results.
50 nm spherical gold nanoparticles combine strong plasmonic optical properties with versatile surface functionalization capabilities. These nanoparticles are useful in a broad range of applications from immunodiagnostics, biosensors, sensing, optical effects, drug delivery, and more.
AP USA 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.
| Overview | ||||||
|---|---|---|---|---|---|---|
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) |
| Description | Easiest standard surface to displace with other molecules. | Covalently bound. Conjugatable surface. | Covalently bound. Conjugatable surface. | Highest stability in aqueous buffers and polar organic solvents. | Large polymer surface. Stable in a wide variety of solvents. | Powder format allows greater flexibility with solvent choice and concentration. |
| Solvent | 0.05 mg/mL (NanoXact): 2 mM sodium citrate solution 1 mg/mL (BioPure): USP purified water |
USP Purified Water | USP Purified Water | USP Purified Water | USP Purified Water | N/A |
| Surface chemistry | Citrate | BPEI | Lipoic acid | mPEG 5 kDa | PVP 40 kDa | PVP 40 kDa |
| Specifications | ||||||
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) |
| TEM Diameter | 10 ± 2 nm | 10 ± 2 nm | 10 ± 2 nm | 10 ± 2 nm | 10 ± 2 nm | 10 ± 2 nm |
| CV | ≤ 12% | ≤ 12% | ≤ 12% | ≤ 12% | ≤ 12% | ≤ 12% |
| Documents | ||||||
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) |
| Example Certificate of Analysis (CoA) | Download | Download | Download | Download | Download | Download |
| Safety Data Sheet (SDS) |
0.05 mg/mL (NanoXact) 1 mg/mL (BioPure) |
1 mg/mL (BioPure) |
0.05 mg/mL (NanoXact) 1 mg/mL (BioPure) |
0.05 mg/mL (NanoXact) 1 mg/mL (BioPure) |
0.05 mg/mL (NanoXact) 1 mg/mL (BioPure) |
Powder (NanoXact) |
| Storage & Handling | Download | Download | Download | Download | Download | Download |
| Expected Ranges | ||||||
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) |
| Hydrodynamic diameter (DLS) | TEM diameter + 2–12 nm | TEM diameter + 15–40 nm | TEM diameter + 3–12 nm | TEM diameter + 50–100 nm | TEM diameter + 5–55 nm | N/A |
| Zeta potential | ≤ –15 mV | ≥ 25 mV | ≤ –15 mV | ≤ 5 mV | ≤ –5 mV | N/A |
| pH of solution | 5.5–8.5 | 7.0–8.5 | 5.5–7.5 | 5.2–7.0 | 4.5–7.5 | N/A |
| Peak wavelength (λmax) | 515–560 nm | 515–570 nm | 515–570 nm | 510–565 nm | 510–565 nm | 510–565 nm (if redispersed) |
| Model | 10 nm, 10 nm, 10 nm, 10 nm, 10 nm, 50 nm, 50 nm, 50 nm, 50 nm, 50 nm |
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