HiPure Circulating DNA Midi Kit C (Vaccum Protocol) Isolation circulating DNA from 1-5ml plasma, serum, body fluids using vacuum protocol HiPure Circulating DNA Midi Spin Kit D (Spin Protocol) Isolation circulating DNA from 1-5ml plasma, serum, body fluids using spin protocol HiPure Circulating DNA Kit Isolation circulating DNA from 1-5ml plasma, serum, body fluids using vacuum protocol