Description
Ultra Uniform materials are our most highly-monodispersed particles. Ideal for use as size standards or applications requiring a tight size distribution. Our Ultra Uniform Particle Number Standards provide additional characterization and careful formulation for applications that require a known particle number concentration.
PEG-carboxyl is covalently bound to the metal surface. The acid provides a highly negatively charged surface and can be utilized for conjugation.
Provided at 108 particles/mL in aqueous 1 mM sodium citrate.
Applications
- sp-ICP-MS: Single Particle Inductively Coupled Plasma Mass Spectroscopy
- NTA: Nano Tracking Analysis
- TRPS: Tunable Resistive Pulse Sensing
| Overview | |||
|---|---|---|---|
| Surface | PEG-Carboxyl | ||
| Description | Covalently bound. Conjugatable surface. | ||
| Solvent | 1 mM sodium citrate solution | ||
| Surface chemistry | PEG12-carboxylic acid | ||
| Specifications | |||
| TEM Diameter | 30 ± 2 nm | 50 ± 2 nm | 100 ± 3 nm |
| CV, TEM | ≤ 5% | ||
| CV, sp-ICP-MS | ≤ 10% | ||
| Documents | |||
| Example Certificate of Analysis (CoA) | 30 nm | 50 nm | 100 nm |
| Safety Data Sheet (SDS) | Download | ||
| Storage & Handling | Download | ||
| Expected Ranges | |||
| Concentration (sp-ICP-MS) | 0.80–1.2 × 108 particles/mL | ||
| pH of solution | 7.0–8.0 | ||
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