[J67269] CAS 7440-57-5 | Gold nanoparticles, 20nm, supplied in 0.1 mg/ml sodium citrate with stabilizer, OD1, 524nm absorption | Alfa
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Brand: Alfa Aesar
7440-57-5 | Au | oro
Chemical Identifiers
CAS
7440-57-5
Molecular Weight (g/mol)
196.97
MDL Number
MFCD00003436
Synonym
gold|gold leaf|colloidal gold|gold flake|gold atom|Aun|gold(0)|aurum|oro
SMILES
[Au]
InChI Key
PCHJSUWPFVWCPO-UHFFFAOYSA-N
Molecular Formula
Au
IUPAC Name
gold
Specifications
Form
Liquid
Concentration
1.00-1.05 (OD)
Polydispersity Index
≤0.2
Particle Size
Mean Hydrodynamic Diameter: 28.0-32.0 nm
Particle Size
Core Size: 18.0-22.0 nm
설명
Colloidal gold is an electron-dense, non-fading marker useful as a probe in electron microscopy, light microscopy and immunoblotting. It requires no additional processing for detection, but in some applications the signal can be enhanced by reaction with silver. It can be complexed with biomolecules by strong, non-covalent interactions. Particles less than 15 nm are most useful in transmission electron microscopy and for applications where access to the probe may be hindered by larger particles.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
Colloidal gold is an electron-dense, non-fading marker useful as a probe in electron microscopy, light microscopy and immunoblotting. It requires no additional processing for detection, but in some applications the signal can be enhanced by reaction with silver. It can be complexed with biomolecules by strong, non-covalent interactions. Particles less than 15 nm are most useful in transmission electron microscopy and for applications where access to the probe may be hindered by larger particles.
Colloidal gold is an electron-dense, non-fading marker useful as a probe in electron microscopy, light microscopy and immunoblotting. It requires no additional processing for detection, but in some applications the signal can be enhanced by reaction with silver. It can be complexed with biomolecules by strong, non-covalent interactions. Particles less than 15 nm are most useful in transmission electron microscopy and for applications where access to the probe may be hindered by larger particles.
Solubility
Fully miscible in water. It is soluble in aqua regia, nitric acid and hydrochloric acid.
Notes
Particles per ml: 6.54E+11
GHS Hazard and Precautionary Statements
Hazard Statements:
Risk & Safety
TSCA:Yes
경고:RUO – Research Use Only
CAS7440-57-5FORMULAAuMDLMFCD00003436
| Pakage | 100ml, 25ml |
|---|---|
| brand | Alfa Aesar |
