Da sauri tsarkake DNA na plasmid mai inganci daga ƙwayoyin cuta da suka canza don gwaje-gwajen nazarin halittu na yau da kullun kamar canji da narkewar enzyme.
◮Cire RNA ba tare da ƙara RNase ba
◮Dace- ana yin centrifugation a dakin da zafin jiki
◮Mai sauri- ana iya kammala aikin a cikin mintuna 20
◮Amintacciya- ba a yi amfani da reagent Organic ba
◮Babban tsarki— OD260/280≈1.7-1.9