Joos USA
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Experience Ultra Uniform Difference with Gold Nanoparticle Number Standard
Ultra Uniform materials have the most strongly monodispersed particles and are ideal foruse as size standards or in applications requiring precise size dispersion.
The Ultra Uniform Particle Number Standards offer extra characterization and meticulous formulation for applications that need a specific particle number concentration.
The metal surface is covalently linked to PEG-carboxyl. The acid can be used for conjugation since it offers an extremely negatively charged surface.
The materials are provided at 108 particles/mL in aqueous 1 mM sodium citrate.
Applications
TRPS: Tunable Resistive Pulse Sensing
sp-ICP-MS: Single Particle Inductively Coupled Plasma Mass Spectroscopy
NTA: Nano Tracking Analysis
Source: nanoComposix, Inc.
| 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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