(1) ÃßÃâÇÑ genomic DNAÀÇ ¿° (salt)³óµµ°¡ ¸Å¿ì ³ôÀº °æ¿ì.
Buffer WA¿Í Buffer WB¸¦ »ç¿ëÇÏ¿© DNA preparation membraneÀ» washingÇÒ ¶§ spin column tubeÀÇ º®¸éÀ» µû¶ó ÷°¡ÇÕ´Ï´Ù. Washing È¿°ú¸¦ Çâ»ó½ÃÄÑ ³²¾ÆÀÖ´Â ¿° (residual salt)À» ¿ÏÀüÈ÷ Á¦°ÅÇÕ´Ï´Ù (»ó¿Â¿¡¼ 5ºÐ).
(2) Lysate¿¡ ethanolÀÌ Á¸ÀçÇÑ °æ¿ì.
Column¿¡ Elution buffer¸¦ ³Ö¾îÁÖ±â Àü¿¡ »ó¿Â¿¡ 2ºÐ µ¿¾È columnÀ» µÎ¸é elutionÀÇ È¿°ú¸¦ Çâ»ó½Ãų ¼ö ÀÖ½À´Ï´Ù.
(3) Elution buffer³ª RNase free dH2O (viral DNA/RNA °æ¿ì)´Â DNA elution´Ü°è¿¡¼ column membrane Áß¾Ó¿¡ ³Ö¾îÁÖ¾î¾ß ÇÕ´Ï´Ù.