Polystyrene Microspheres
Overview:
Polystyrene is the most widely-used polymer for research microspheres. Lab261 manufactures monodisperse polystyrene (PS) microspheres and nanoparticles spanning 15 nm to 750 µm, with polydispersity index (PDI) values below 0.1 achievable on standard products. Available in plain, carboxyl (–COOH), and amine (–NH₂) surface chemistries, in both standard and surfactant-free formulations. Researchers use Lab261 polystyrene particles for cellular uptake studies, blood-brain-barrier transport research, microfluidic flow tracers, ICP-MS reference standards, and biological-interaction assays — including published work in Scientific Reports and Polymers (see publications). For applications requiring color or fluorescent visualization, see the color-dyed PS and fluorescent PS variants.
Size Range: 15nm to 750µm and larger
Surface: plain, carboxyl, primary amine
Polystyrene Density: 1.06 g/cm³
Packaging Information:
Products with a diameter ≤ 20µm are supplied as 1% solid suspensions (10mg/ml).
Products with a diameter > 20µm are supplied as pure solid particles.
To request a custom solid content or package size, contact us.
Suspension Solution:
De-ionized water containing a small amount of surfactant and 2mM of sodium azide as an anti-microbial agent.
Customization Options:
Looking for a different size, surface, or package quantity? Please see our full range of customizable options and contact us.
Download the product data sheet here.
List of Products
| Catalog | Avg. Diameter | Surface | Package Size | Price | Order | Specs |
|---|---|---|---|---|---|---|
| PST15 | 0.015µm | from 5ml | from $189.95 | Details | PST15.PDF | |
| PST15C | 0.015µm | COOH | from 5ml | from $209.95 | Details | PST15C.PDF |
| PST15A | 0.015µm | NH2 | from 5ml | from $299.95 | Details | PST15A.PDF |
| PST25 | 0.025µm | from 5ml | from $129.95 | Details | PST25.PDF | |
| PST25C | 0.025µm | COOH | from 5ml | from $149.95 | Details | PST25C.PDF |
| PST25A | 0.025µm | NH2 | from 5ml | from $229.95 | Details | PST25A.PDF |
| PST50 | 0.05µm | from 5ml | from $99.95 | Details | PST50.PDF | |
| PST50C | 0.05µm | COOH | from 5ml | from $119.95 | Details | PST50C.PDF |
| PST50A | 0.05µm | NH2 | from 5ml | from $179.95 | Details | PST50A.PDF |
| PST75 | 0.075µm | from 5ml | from $99.95 | Details | PST75.PDF | |
| PST75C | 0.075µm | COOH | from 5ml | from $119.95 | Details | PST75C.PDF |
| PST75A | 0.075µm | NH2 | from 5ml | from $179.95 | Details | PST75A.PDF |
| PST100 | 0.1µm | from 5ml | from $99.95 | Details | PST100.PDF | |
| PST100C | 0.1µm | COOH | from 5ml | from $119.95 | Details | PST100C.PDF |
| PST100A | 0.1µm | NH2 | from 5ml | from $179.95 | Details | PST100A.PDF |
| PST200 | 0.2µm | from 5ml | from $99.95 | Details | PST200.PDF | |
| PST200C | 0.2µm | COOH | from 5ml | from $119.95 | Details | PST200C.PDF |
| PST200A | 0.2µm | NH2 | from 5ml | from $179.95 | Details | PST200A.PDF |
| PST300 | 0.3µm | from 5ml | from $129.95 | Details | PST300.PDF | |
| PST300C | 0.3µm | COOH | from 5ml | from $149.95 | Details | PST300C.PDF |
| PST300A | 0.3µm | NH2 | from 5ml | from $229.95 | Details | PST300A.PDF |
| PST500 | 0.5µm | from 5ml | from $129.95 | Details | PST500.PDF | |
| PST500C | 0.5µm | COOH | from 5ml | from $149.95 | Details | PST500C.PDF |
| PST500A | 0.5µm | NH2 | from 5ml | from $229.95 | Details | PST500A.PDF |
| PST1000 | 1µm | from 5ml | from $129.95 | Details | PST1000.PDF | |
| PST1000C | 1µm | COOH | from 5ml | from $149.95 | Details | PST1000C.PDF |
| PST1000A | 1µm | NH2 | from 5ml | from $229.95 | Details | PST1000A.PDF |
| PST1500 | 1.5µm | from 5ml | from $129.95 | Details | PST1500.PDF | |
| PST1500C | 1.5µm | COOH | from 5ml | from $149.95 | Details | PST1500C.PDF |
| PST1500A | 1.5µm | NH2 | from 5ml | from $229.95 | Details | PST1500A.PDF |
| PST2000 | 2µm | from 5ml | from $129.95 | Details | PST2000.PDF | |
| PST2000C | 2µm | COOH | from 5ml | from $149.95 | Details | PST2000C.PDF |
| PST2000A | 2µm | NH2 | from 5ml | from $229.95 | Details | PST2000A.PDF |
| PST2500 | 2.5µm | from 5ml | from $129.95 | Details | PST2500.PDF | |
| PST2500C | 2.5µm | COOH | from 5ml | from $149.95 | Details | PST2500C.PDF |
| PST2500A | 2.5µm | NH2 | from 5ml | from $229.95 | Details | PST2500A.PDF |
| PST3000 | 3µm | from 5ml | from $129.95 | Details | PST3000.PDF | |
| PST3000C | 3µm | COOH | from 5ml | from $149.95 | Details | PST3000C.PDF |
| PST3000A | 3µm | NH2 | from 5ml | from $229.95 | Details | PST3000A.PDF |
| PST4000 | 4µm | from 5ml | from $129.95 | Details | PST4000.PDF | |
| PST4000C | 4µm | COOH | from 5ml | from $149.95 | Details | PST4000C.PDF |
| PST4000A | 4µm | NH2 | from 5ml | from $229.95 | Details | PST4000A.PDF |
| PST5000 | 5µm | from 5ml | from $129.95 | Details | PST5000.PDF | |
| PST5000C | 5µm | COOH | from 5ml | from $149.95 | Details | PST5000C.PDF |
| PST5000A | 5µm | NH2 | from 5ml | from $229.95 | Details | PST5000A.PDF |
| PST6000 | 6µm | from 5ml | from $129.95 | Details | PST6000.PDF | |
| PST6000C | 6µm | COOH | from 5ml | from $149.95 | Details | PST6000C.PDF |
| PST6000A | 6µm | NH2 | from 5ml | from $229.95 | Details | PST6000A.PDF |
| PST8000 | 8µm | from 5ml | from $139.95 | Details | PST8000.PDF | |
| PST8000C | 8µm | COOH | from 5ml | from $159.95 | Details | PST8000C.PDF |
| PST8000A | 8µm | NH2 | from 5ml | from $249.95 | Details | PST8000A.PDF |
| PST10K | 10µm | from 5ml | from $189.95 | Details | PST10K.PDF | |
| PST10KC | 10µm | COOH | from 5ml | from $229.95 | Details | PST10KC.PDF |
| PST10KA | 10µm | NH2 | from 5ml | from $349.95 | Details | PST10KA.PDF |
| PST15K | 15µm | from 5ml | from $189.95 | Details | PST15K.PDF | |
| PST15KC | 15µm | COOH | from 5ml | from $279.95 | Details | PST15KC.PDF |
| PST15KA | 15µm | NH2 | from 5ml | from $349.95 | Details | PST15KA.PDF |
| PST20K | 20µm | from 5ml | from $189.95 | Details | PST20K.PDF | |
| PST20KC | 20µm | COOH | from 5ml | from $279.95 | Details | PST20KC.PDF |
| PST20KA | 20µm | NH2 | from 5ml | from $349.95 | Details | PST20KA.PDF |
| PST30K | 30µm | from 0.5g | from $429.95 | Details | PST30K.PDF | |
| PST30KC | 30µm | COOH | from 0.5g | from $649.95 | Details | PST30KC.PDF |
| PST30KA | 30µm | NH2 | from 0.5g | from $699.95 | Details | PST30KA.PDF |
| PST40K | 40µm | from 0.5g | from $429.95 | Details | PST40K.PDF | |
| PST40KC | 40µm | COOH | from 0.5g | from $649.95 | Details | PST40KC.PDF |
| PST40KA | 40µm | NH2 | from 0.5g | from $699.95 | Details | PST40KA.PDF |
| PST50K | 50µm | from 0.5g | from $429.95 | Details | PST50K.PDF | |
| PST50KC | 50µm | COOH | from 0.5g | from $649.95 | Details | PST50KC.PDF |
| PST50KA | 50µm | NH2 | from 0.5g | from $699.95 | Details | PST50KA.PDF |
| PST75K | 75µm | from 0.5g | from $429.95 | Details | PST75K.PDF | |
| PST75KC | 75µm | COOH | from 0.5g | from $649.95 | Details | PST75KC.PDF |
| PST75KA | 75µm | NH2 | from 0.5g | from $699.95 | Details | PST75KA.PDF |
| PST100K | 100µm | from 0.5g | from $429.95 | Details | PST100K.PDF | |
| PST100KC | 100µm | COOH | from 0.5g | from $649.95 | Details | PST100KC.PDF |
| PST100KA | 100µm | NH2 | from 0.5g | from $699.95 | Details | PST100KA.PDF |
| PST125K | 125µm | from 0.5g | from $429.95 | Details | PST125K.PDF | |
| PST125KC | 125µm | COOH | from 0.5g | from $649.95 | Details | PST125KC.PDF |
| PST125KA | 125µm | NH2 | from 0.5g | from $699.95 | Details | PST125KA.PDF |
| PST150K | 150µm | from 0.5g | from $429.95 | Details | PST150K.PDF | |
| PST150KC | 150µm | COOH | from 0.5g | from $649.95 | Details | PST150KC.PDF |
| PST150KA | 150µm | NH2 | from 0.5g | from $699.95 | Details | PST150KA.PDF |
| PST175K | 175µm | from 0.5g | from $429.95 | Details | PST175K.PDF | |
| PST175KC | 175µm | COOH | from 0.5g | from $649.95 | Details | PST175KC.PDF |
| PST175KA | 175µm | NH2 | from 0.5g | from $699.95 | Details | PST175KA.PDF |
| PST200K | 200µm | from 0.5g | from $429.95 | Details | PST200K.PDF | |
| PST200KC | 200µm | COOH | from 0.5g | from $649.95 | Details | PST200KC.PDF |
| PST200KA | 200µm | NH2 | from 0.5g | from $699.95 | Details | PST200KA.PDF |
| PST225K | 225µm | from 0.5g | from $429.95 | Details | PST225K.PDF | |
| PST225KC | 225µm | COOH | from 0.5g | from $649.95 | Details | PST225KC.PDF |
| PST225KA | 225µm | NH2 | from 0.5g | from $699.95 | Details | PST225KA.PDF |
| PST250K | 250µm | from 0.5g | from $429.95 | Details | PST250K.PDF | |
| PST250KC | 250µm | COOH | from 0.5g | from $649.95 | Details | PST250KC.PDF |
| PST250KA | 250µm | NH2 | from 0.5g | from $699.95 | Details | PST250KA.PDF |
| PST275K | 275µm | from 0.5g | from $429.95 | Details | PST275K.PDF | |
| PST275KC | 275µm | COOH | from 0.5g | from $649.95 | Details | PST275KC.PDF |
| PST275KA | 275µm | NH2 | from 0.5g | from $699.95 | Details | PST275KA.PDF |
| PST300K | 300µm | from 0.5g | from $429.95 | Details | PST300K.PDF | |
| PST300KC | 300µm | COOH | from 0.5g | from $649.95 | Details | PST300KC.PDF |
| PST300KA | 300µm | NH2 | from 0.5g | from $699.95 | Details | PST300KA.PDF |
| PST325K | 325µm | from 0.5g | from $429.95 | Details | PST325K.PDF | |
| PST325KC | 325µm | COOH | from 0.5g | from $649.95 | Details | PST325KC.PDF |
| PST325KA | 325µm | NH2 | from 0.5g | from $699.95 | Details | PST325KA.PDF |
| PST350K | 350µm | from 0.5g | from $429.95 | Details | PST350K.PDF | |
| PST350KC | 350µm | COOH | from 0.5g | from $649.95 | Details | PST350KC.PDF |
| PST350KA | 350µm | NH2 | from 0.5g | from $699.95 | Details | PST350KA.PDF |
| PST400K | 400µm | from 0.5g | from $429.95 | Details | PST400K.PDF | |
| PST400KC | 400µm | COOH | from 0.5g | from $649.95 | Details | PST400KC.PDF |
| PST400KA | 400µm | NH2 | from 0.5g | from $699.95 | Details | PST400KA.PDF |
| PST450K | 450µm | from 0.5g | from $429.95 | Details | PST450K.PDF | |
| PST450KC | 450µm | COOH | from 0.5g | from $649.95 | Details | PST450KC.PDF |
| PST450KA | 450µm | NH2 | from 0.5g | from $699.95 | Details | PST450KA.PDF |
| PST500K | 500µm | from 0.5g | from $429.95 | Details | PST500K.PDF | |
| PST500KC | 500µm | COOH | from 0.5g | from $649.95 | Details | PST500KC.PDF |
| PST500KA | 500µm | NH2 | from 0.5g | from $699.95 | Details | PST500KA.PDF |
| PST550K | 550µm | from 0.5g | from $429.95 | Details | PST550K.PDF | |
| PST550KC | 550µm | COOH | from 0.5g | from $649.95 | Details | PST550KC.PDF |
| PST550KA | 550µm | NH2 | from 0.5g | from $699.95 | Details | PST550KA.PDF |
| PST600K | 600µm | from 0.5g | from $429.95 | Details | PST600K.PDF | |
| PST600KC | 600µm | COOH | from 0.5g | from $649.95 | Details | PST600KC.PDF |
| PST600KA | 600µm | NH2 | from 0.5g | from $699.95 | Details | PST600KA.PDF |
| PST650K | 650µm | from 0.5g | from $429.95 | Details | PST650K.PDF | |
| PST650KC | 650µm | COOH | from 0.5g | from $649.95 | Details | PST650KC.PDF |
| PST650KA | 650µm | NH2 | from 0.5g | from $699.95 | Details | PST650KA.PDF |
| PST700K | 700µm | from 0.5g | from $429.95 | Details | PST700K.PDF | |
| PST700KC | 700µm | COOH | from 0.5g | from $649.95 | Details | PST700KC.PDF |
| PST700KA | 700µm | NH2 | from 0.5g | from $699.95 | Details | PST700KA.PDF |
| PST750K | 750µm | from 0.5g | from $429.95 | Details | PST750K.PDF | |
| PST750KC | 750µm | COOH | from 0.5g | from $649.95 | Details | PST750KC.PDF |
| PST750KA | 750µm | NH2 | from 0.5g | from $699.95 | Details | PST750KA.PDF |