PCFP-0256 | Polystyrene microparticles, carboxyl-modified surface, Nile red fluorescence, 90 nm-300 nm diameter


These 90 nm - 300 nm diameter fluorescent polystyrene microparticles are used in a wide range of immunodiagnostic assays, as size standards for calibration of equipment, for applications in cell biology, etc. The physical adsorption of the polystyrene microparticles is used to bind ligands to the surface of the particles.

These fluorescent particles are prepared by either staining the polystyrene with the fluorophore or by polymerizing the fluorophore in styrene in the presence of polystyrene particles. As a result the fluorophores do not leach and their fluorescence remains stable under recommended storage conditions.

More Information

Many of our polystyrene particles can also be provided in powdered form. Please contact Advance Scientific to see if this product is available as a powder or to request a quotation for bulk quantities of this product in either format. 

The image associated with this microparticle is used for illustrative purposes only and is not representative of the physical characteristics of these polystyrene microparticles.


Kisker Biotech
Particle diameter
90 nm - 300 nm
2 mL
1.03 g/cm³
Surface chemistry
Fluorescent colour
Red | Nile Red
Excitation/emission (nm)
Aqueous buffers, methanol, ethanol, DMSO
Halogenated hydrocarbons, toluene, strong acidic solutions e.g. 10% HCl
Storage at room temperature
Product form
Supplied as 1% aqueous suspension

About Us

Advance Scientific Products Pty Ltd is based in Queensland and is focused on delivering high-quality products and service to our customers in the life and analytical sciences across Australia.

The company was established in 2013 by experienced instrumentation specialists to provide full distribution and customer support capability to manufacturers seeking to expand their activities in Australia without having to create their own sales and marketing infrastructure.