'We provide the world’s largest selection of particles-based products! Our Qdot® nanocrystals set the standard for next-generation, photostable and bright, multicolor-via-single-source fluorescence. 

You can also choose from our widest selection of fluorescent, colored or white, surfactant-free, ultraclean microspheres and nanospheres that set the bar for highest performance, quality and precision. We also provide custom services and can build particles to your color, surface and size specifications.'