Inorganicsupportssuchassilicamicrosphereshavebecomeincreasinglyimportantforavarietyofapplications,includingisolationofnucleicacids,cellseparation,andimmuno-andDNA-basedassays.Theyofferthecombinedbenefitsofabroadplatformandtheuniquepropertiesofasilicasubstrate,suchasflexiblesilanizationchemistries,lowautofluorescence,andlownonspecificbindingofproteins.
Polysciencesoffersuniform,non-poroussilica(SiO2)microspheresavailableinnominaldiametersof~150nm-5µm.TheseparticlestypicallyhavesizeCVsof10-15%.Suppliedinaqueoussuspensionof10%solids.