Uniform Microspheres for Clinical Diagnostics

PolyMicrospheres takes pride in providing the highest quality uniform microspheres for our customers in clinical diagnostics.  With more than three decades of experience in polymer science, process engineering, and microparticle technology, PolyMicrospheres is the pioneer in the creation of uniform polymer microspheres specifically designed for diagnostic assays.  

Using state-of-the-art facilities and the most innovative polymerization techniques, we develop and manufacture a complete line of uniform microspheres with a variety of particle sizes and surface chemistries.  In addition, we offer semi-custom and custom microspheres, optimized and fine-tuned with the proper surface morphology and the correct level of functionality to suit your application.

Diverse product range in a variety of particle sizes and surface chemistries

​Features available on all products:

Our advantage:  High Uniformity
  • Uniform particle size

  • Uniform carboxyl distribution

  • Uniform surface morphology

  • Higher sensitivity

  • Fewer false positives

  • Less non-specific binding

You can see our uniformity in the above picture (actual image from a scanning electron microscope).

Our advantages also include our wide product range and decades of expertise...

Product range

  • Widest range of products in the industry 

  • Many different types of carboxyl microspheres to suit each application

  • Various levels of carboxyl groups for each particle size


  • Proven batch-to-batch reproducibility

  • Innovative polymerization technologies

  • Precision and accuracy of our techniques

  • 30+ years of research and manufacturing

  • Product development led by Dr. Mohan, a pioneer in this field