50 nm Silver Nanospheres
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As a global leader in silver nanoparticle production, nanoComposix specializes in providing high-purity and monodisperse nanomaterials – delivering the quality you need for consistent results.
50 nm spherical silver nanoparticles combine strong plasmonic optical properties with antimicrobial capabilities. These nanoparticles are useful in a broad range of applications including conductive composites, biosensors, sensing, photovoltaics, 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.
| Overview | ||||||||
|---|---|---|---|---|---|---|---|---|
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) | Silica Shelled | Silica Shelled, Aminated |
| 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. | Greatest solvent compatibility. Preserves plasmonic properties upon deposition. | Conjugatable surface. Greatest solvent compatibility. Preserves plasmonic properties upon deposition. |
| Solvent | 2 mM sodium citrate solution | USP Purified Water | 0.2 mM potassium carbonate | USP Purified Water | USP Purified Water | N/A | Ethanol | Ethanol |
| Surface chemistry | Sodium citrate | BPEI | Lipoic acid | mPEG 5 kDa | PVP 40 kDa | PVP 40 kDa | Silanol | Amine |
| Specifications | ||||||||
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) | Silica Shelled | Silica Shelled, Aminated |
| TEM Diameter | 50 ± 4 nm | 50 ± 4 nm | 50 ± 4 nm | 50 ± 4 nm | 50 ± 4 nm | 50 ± 4 nm | Core: 50 ± 4 nm Shell: 20 ± 5 nm |
Core: 50 ± 4 nm Shell: 20 ± 5 nm |
| CV | ≤ 15% | ≤ 15% | ≤ 15% | ≤ 15% | ≤ 15% | ≤ 15% | ≤ 15% (total diameter) | ≤ 15% (total diameter) |
| Documents | ||||||||
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) | Silica Shelled | Silica Shelled, Aminated |
| Example Certificate of Analysis (CoA) | Download | Download | Download | Download | Download | Download | Download | Download |
| Safety Data Sheet (SDS) | 0.02 mg/mL (NanoXact)
1 mg/mL (BioPure) |
1 mg/mL (BioPure) | 1 mg/mL (BioPure) | 1 mg/mL (BioPure) | 1 mg/mL (BioPure) | Powder (NanoXact) | 1 mg/mL (NanoXact) | 1 mg/mL (NanoXact) |
| Expected Ranges | ||||||||
| Surface | Citrate | BPEI | Carboxyl | PEG | PVP | PVP (dried) | Silica Shelled | Silica Shelled, Aminated |
| Hydrodynamic diameter (DLS) | TEM diameter + 0–20 nm | TEM diameter + 8–62 nm | TEM diameter + 2–25 nm | TEM diameter + 15–35 nm | TEM diameter + 5–25 nm | N/A | TEM diameter + 5–70 nm | TEM diameter + 5–70 nm |
| Zeta potential | ≤ –25 mV | ≥ 30 mV | ≤ –25 mV | ≤ –10 mV | ≤ –20 mV | N/A | ≤ –20 mV | ≥ 10 mV |
| pH of solution | 7.0–8.0 | 7.0–8.5 | 7.4–9.0 | 5.2–7.0 | 5.5–7.5 | N/A | N/A | N/A |
| Peak wavelength (λmax) | 395–515 nm | 400–515 nm | 400–515 nm | 400–505 nm | 385–505 nm | 385–515 nm (if redispersed) | 440–540 nm | 440–540 nm |