Ngokushesha nangempumelelo thola izingcezu ze-DNA ezingama-20bp-10kb kujeli ye-agarose.
◮Uhlu olubanzi lokutholwa kwe-DNA:Izingcezu ze-DNA ezimfishane njengo-30bp nezinkulu njengo-10kb zingatholwa.
◮Ukusebenza kahle kokutakula:Ukuphumelela okuphezulu kakhulu kokululama kungafinyelela ngaphezu kwama-80%.
◮Ukukhishwa kwesistimu encane:okungenani isixazululo esingu-30μl elution singasetshenziselwa ukuveza, okungase kwandise ngempumelelo ukugcwala kwezingcezu ze-DNA ezitholiwe.
◮Isivinini esisheshayo:Kulula ukusebenza, ukutakula kwe-DNA fragment kungaqedwa phakathi nemizuzu eyi-15.
◮Ukuphepha:Akukho kukhishwa kwe-organic reagent edingekayo.
◮Ikhwalithi ephezulu:Izingcezu ze-DNA ezitholiwe zimsulwa kakhulu, ezingahlangabezana nokuhlolwa okuhlukahlukene okulandelayo.