5-mL Tubes while in the magnetic stand for 5 min, then take away the buffer having a pipette and clean the beads two× with 500 μL of fresh 80% ethanol. Following the next clean, get rid of all ethanol and Ensure that no ethanol is still left within the samples. https://silica-coated-magnetic-be15814.ageeksblog.com/28965427/5-easy-facts-about-serum-plasma-viral-nucleic-acid-extraction-described