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  Monodisperse Particles for Research Purposes
  • Melamine resin particles (MF-R) in the size range 500 nm – 12 µm
  • Polystyrene particles (PS-R) in the size range 100 nm – 300 µm
  • Poly(methyl methacrylate) particles (PMMA-R): 100 nm – 200 µm
  • Silica particles (SiO₂-R) in the size range 150 nm – 25 µm
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  NIST-traceable Particle Size Standards
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  Fluorescent Particles
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  LucyPlex Multiplex Assay
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  Functionalized Particles
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  Superparamagnetic Polymer Particles
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  Superparamagnetic Fluorescent Polymer Particles
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  Colored Particles

Poly(methyl methacrylate) particles (PMMA-R): 100 nm – 200 µm

Our monodisperse poly(methyl methacrylate) particles (non-crosslinked or crosslinked) are prepared using radical initiated polymerization techniques such as emulsion polymerization, dispersion polymerization, or suspension polymerization.They are available in a wide diameter range from 100 nm to 200 µm in more than 70 discrete particle sizes. Diameters and size distributions are measured by differnt measuring techniques like scanning electron microscopy, Differential Sedimentation (CPS disc centrifuge), Coulter-devices, and optical microscopy. All products are highly monodisperse (CV < 5 %), spherical, and optically transparent. PMMA products are stable in water, low alcohols, DMSO, ether and hydrocarbons. PMMA products in the nanometer size range are delivered as 5 % (w/v) aqueous suspensions, in the micrometer size range as 10 % (w/v) aqueous suspensions.