http://www.cd-bioparticles.com/p/Epoxy-Magnetic-Particles_20_193_214_446.htmlAbsolute Mag™ Epoxy Magnetic Particles, Silica Matrix, 0.1-1 μm (# WHM-Q027) are prepared by embeding the magnetic nanoparticles in the silica matrix with strong magnetic response. The magnetic silica particles are particularly useful in applications of DNA/RNA purification. DNA/RNA Purification, Cell Isolation, Immunoassay, Clinical Diagnosis