Description
Standard Gold Nanoparticles
Composition: Tannic acid stabilized Gold Colloid
Core Size: 5nm – 400nm
Absorption max: 515-520nm (5nm), 520nm (10nm), 522nm (15nm), 524nm (20nm), 526nm (30nm), 531nm (40nm), 536nm (50nm), 544nm (60nm), 548nm (70nm), 555nm (80nm), 558-562nm (90nm) 572nm (100nm)
Particles per ml: 5.47E+13 (5nm) – 1.88E+8 (400nm)
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.
Properties
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.
Our gold nanoparticle preparations have a narrow size distribution (CV of less than 15%), 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.
Storage
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.
Applications
- Conjugate Development (see our gold nanoparticle conjugation kits)
- Immunostaining
- Lateral Flow Assays
- Biological Sensor Development (e.g. LSPR-based assays)
- Electron Microscopy
- Dark Field Microscopy
- Surface Enhanced Raman Spectroscopy (SERS)
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