70nm Standard Gold Nanoparticles (100ml)
70nm Standard Gold Nanoparticles (100ml)
70nm Standard Gold Nanoparticles (100ml)
70nm Standard Gold Nanoparticles (100ml)
70nm Standard Gold Nanoparticles (100ml)
70nm Standard Gold Nanoparticles (100ml)
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SKU: G-70-100
1 OD (548nm abs max), supplied in 0.1mM phosphate-buffered saline - Purity: >95.0% reactant free
Price: $195.00
Product Details
Composition: Citric acid stabilized gold colloid
Core Size: 70nm
Adsorption max: 548nm
Particles per ml: 1.20E+10
Volume: 100ml
Formulation: Supplied in 0.1mM phosphate buffered saline (PBS)

Intended use:
Conjugate development by passive adsorption of proteins and other ligands to the gold nanoparticle surface. The resulting conjugate can be used in blotting, electron microscopy and immunohistochemistry applications.


Cytodiagnostics unconjugated gold nanoparticles are made using a unique proprietary protocol resulting in particles with superior size distribution and shape compared to that of the leading competitor, see Tech Note #104.

Our gold nanoparticle preparations have a narrow size distribution (CV of less than 10%), exceptional protein adsorption properties and more than 95% spherical particles. In addition, low batch to batch variability (+/- 2nm) assures you as a customer always end up with a product within the specified size range ordered.

All of our batches go through stringent quality control prior to shipment to our customers using dynamic light scattering to guarantee size and monodispersity and lot specifications are supplied with each product.


Store product away from direct sunlight at 4-25°C. Lower temperature prolongs the shelf life of the product.

Do NOT freeze. Freezing causes irreversible aggregation of the gold nanoparticles.

When stored as specified the product is stable for at least six months.


Peak SPR Wavelength (nm)


Wt. Conc (mg/ml)*

Molar Ext (M-1cm-1)

Size Dispersity (+/-nm)

Particle Volume (nm3)

Surface Area (nm2)

Surface/ Volume Ratio

Particle Mass (g)

Molar Mass (g/mol)

Molar Concentration*













*All concentrations as indicated at an optical density of 1 (OD=1)
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