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 | Silica Shelled |
| 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. | Greatest solvent compatibility. Preserves plasmonic properties upon deposition. |
| Solvent | 0.05 mg/mL (NanoXact): 2 mM sodium citrate solution 1 mg/mL (BioPure): 0.2 mM sodium citrate solution |
USP Purified Water | USP Purified Water | USP Purified Water | Ethanol |
| Surface chemistry | Citrate | BPEI | Lipoic acid | mPEG 5 kDa | Silanol |
| Specifications | |||||
| Surface | Citrate | BPEI | Carboxyl | PEG | Silica Shelled |
| TEM Diameter | 50 ± 4 nm | 50 ± 4 nm | 50 ± 4 nm | 50 ± 4 nm | Core: 50 ± 4 nm Shell: 20 ± 5 nm |
| CV | ≤ 15% | ≤ 15% | ≤ 15% | ≤ 15% | ≤ 15% (total diameter) |
| Documents | |||||
| Surface | Citrate | BPEI | Carboxyl | PEG | Silica Shelled |
| Example Certificate of Analysis (CoA) | 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) |
1 mg/mL (NanoXact) |
| Storage & Handling | Download | Download | Download | Download | Download |
| Expected Ranges | |||||
| Surface | Citrate | BPEI | Carboxyl | PEG | Silica Shelled |
| Hydrodynamic diameter (DLS) | TEM diameter + 2–12 nm | TEM diameter + 15–40 nm | TEM diameter + 3–12 nm | TEM diameter + 7–47 nm | TEM diameter + 15–80 nm |
| Zeta potential | ≤ –15 mV | ≥ 25 mV | ≤ –15 mV | ≤ 5 mV | ≤ –10 mV |
| pH of solution | 5.5–8.5 | 7.0–8.5 | 5.5–7.5 | 5.2–7.0 | N/A |
| Peak wavelength (λmax) | 515–560 nm | 515–570 nm | 515–570 nm | 510–565 nm | 525–590 nm |
| 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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