The centrifuge (Microfuge® 20R) allows the high-performance centrifugation (15,000 rpm/ 20,627 x g) with series of rotors that offer a high flexibility for different separation protocols . It is designed to meet a wide variety of application needs including refrigerated, nucleic acid and protein preparation, pelleting, extractions, purifications, concentrations, phase separations and receptor binding as well as rapid sedimentation of protein precipitates, particulates and cell debris.