±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 905  |  »Ø¸´: 2

»ÆÇ¾Þ±

Í­³æ (³õÈëÎÄ̳)

[ÇóÖú] ÓйØÀ¶Ý®¹ûʵDNAµÄÌáÈ¡ÎÊÌâ

ÎÒÑ¡ÔñµÄÊÇCTAB·¨ÌáÈ¡µÄÀ¶Ý®¹ûʵµÄDNA£¬µ«ÊÇÌáÁ˺ü¸´Î»¹ÊÇûÓÐÌáÈ¡³É¹¦£¬²»ÖªµÀÄı߳ö´íÁË¡£

ÎÒʹÓõÄÊÔ¼ÁÊÇ£º2%CTAB»º³åÒº
Åä·½ÊÇ£º   CTAB£º5g      NACl20.454g   1M Tris-HCl 25mL£¬ 0.5M EDTA 10mL£¬ ×ÜÌå»ý¶¨Èݵ½25mL¡£
ÌáÈ¡²½ÖèÊÇ£º
1¡¢ÒºµªÑÐÄ¥À¶Ý®¹ûʵ³É·ÛÄ©£¬È¡0.5g·ÛÄ©µ½º¬ÓÐ700¦ÌL ÒѾ­Ô¤ÈÈ30minµÄ2%CTAB»º³åÒºÖУ¬»º³åÒºÖÐÒѾ­¼ÓÈë4%¦Â-ÛÏ»ùÒÒ´¼£»
2¡¢³ä·Ö»ìÔÈ·ÛÄ©ÓëÁѽâÒº£¬65¡æË®Ô¡30min£»
3¡¢Á¹ÖÁÊÒÎÂÖ®ºó¼ÓÈë300¦ÌLµÄÔ¤Àä¹ýµÄ3mol/L´×ËáÄÆ£¬ÇáÇá»Î¶¯¹ÜÄÚÎïÖÊ£¬±ùÔ¡30min£»
4¡¢12000r/minÀëÐÄ5min£¬ÌáÈ¡ÉÏÇåÒº×ªÒÆÖÁ¸É¾»µÄÊÔ¹ÜÖУ¬¼ÓÈëÓëÉÏÇåÒºµÈÌå»ýµÄÂȷ£ºÒìÎì´¼£¨24:1£©£¬ÉÏÏ»ζ¯¹ÜÄÚÎïÖÊ£»
5¡¢12000r/min ÀëÐÄ8minÌáÈ¡ÉÏÇåÒº¼ÓÈë2¦ÌLRNase£¨10mg/mL£©£¬ÇỺҡÔȺóÔÚ37¡æÏû»¯10min£¬Ëæºó¼ÓÈëµÈÌå»ýµÄÂȷ£ºÒìÎì´¼£¬ÉÏÏ»ÎÔȹÜÄÚÎïÖÊ£»
6¡¢12000r/minÀëÐÄ8min ,ÌáÈ¡ÉÏÇåÒº£¬¼ÓÈë2±¶Ìå»ýÎÞË®ÒÒ´¼ºÍ1/10Ìå»ý3mol/L´×ËáÄÆ£¬³ä·Ö»ìÔȹÜÄÚÎïÖÊ·ÅÔÚ-20¡æ20min£»
7¡¢12000r/minÀëÐÄ8min£¬ÆúÉÏÇ壬¼ÓÈë1mL70%ÒÒ´¼Ï´µÓ2´Î£¬12000r/minÀëÐÄ5min£»
8¡¢ÆúÉÏÇåÒº£¬Ôڸɾ»µÄ¹¤×÷̨ÉÏÁÀ¸É³Áµí£¬×îºó¼ÓÈë50¦ÌLÃð¾úÈ¥Àë×ÓË®Èܽ⣬ÇỺ»ìÔÈ£¬·ÅÔÚ-20¡æÖд¢´æ±¸Óá£




½«ÉÏÊöÌáÈ¡µÄDNA×öÁËÄý½ºµçÓ¾£¬ÓÃ0.8%ÇíÖ¬ÌÇÄý½ºµçÓ¾£¬120V Åܽº40min£¬MarkerʹÓõÄÊÇHind DNAIII£¬ËùµÃµÄµçӾͼÊÇ£º




ÇëÎÊÌá¹ý¹ûʵDNAµÄ´óÉñÃÇ£¬ÕâÊÇÄÄÀï³öÏÖÎÊÌâÁË£¬Ôõô¾ÍûÓÐÌõ´ø³öÏÖÄØ£¿
Çë´ó¼Ò¸øÓè°ïÖú£¬ÔÚ´ËÌØ±ð¸Ðл£¡

ÓйØÀ¶Ý®¹ûʵDNAµÄÌáÈ¡ÎÊÌâ
Administrator 2014-04-25 14 Сʱ 14 ·ÖÖÓ.jpg
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÐÜ£¤

гæ (СÓÐÃûÆø)

2Â¥2018-05-28 20:23:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÐÜ£¤

гæ (СÓÐÃûÆø)

²½ÖèÈýÊÇʲôԭÀíÄØ£¬ÎÒÓе㲻¶®ÄØ

·¢×ÔСľ³æAndroid¿Í»§¶Ë
3Â¥2018-05-28 20:24:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ »ÆÇ¾Þ± µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] µÚÒ»Ö¾Ô¸¶«ÄÏ´óѧÎïÀí313£¬ÓпÆÑоºÈü»ñ½±¾­Àú£¬Ï£ÍûÎïÀí¸´ÊÔµ÷¼Á +3 ÂíÄÚ³È 2026-04-05 3/150 2026-04-06 10:32 by À¶ÔÆË¼Óê
[¿¼ÑÐ] һ־Ըͬ¼Ã´óѧ323·Ö£¨080500£©Çóµ÷¼Á +8 yikeniu 2026-04-01 8/400 2026-04-05 18:15 by cql1109
[¿¼ÑÐ] ¹¤¿Æ08ר˶»úе275Çóµ÷¼Á +3 AaAa7420 2026-04-02 3/150 2026-04-05 13:26 by jp9609
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏÅ©090401£¬268£¬Çóµ÷¼Á +5 һľÄñÈ» 2026-04-04 5/250 2026-04-04 17:07 by babysonlkd
[¿¼ÑÐ] Çóµ÷¼Á +3 wos666 2026-04-03 3/150 2026-04-04 05:16 by gswylq
[¿¼ÑÐ] 350Ò»Ö¾Ô¸±±¾©º½¿Õº½Ìì´óѧ08500²ÄÁÏ¿ÆÑ§Ó빤³ÌÇóµ÷¼Á +5 kjnasfss 2026-04-03 5/250 2026-04-03 22:29 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ò»Ö¾Ô¸ºþÄÏ´óѧÇóµ÷¼Á +3 À¶¼ãƬ 2026-04-03 4/200 2026-04-03 17:58 by Jimmyandyou
[¿¼ÑÐ] Çó²ÄÁϵ÷¼Á Ò»Ö¾Ô¸Äϲý´óѧ 328·Ö +5 yyy..... 2026-04-03 5/250 2026-04-03 13:46 by °ÙÁéͯ888
[¿¼ÑÐ] Çóµ÷¼Á +9 akdhjs 2026-03-31 11/550 2026-04-03 13:32 by akdhjs
[¿¼ÑÐ] 283Çóµ÷¼Á +3 jiouuu 2026-04-03 4/200 2026-04-03 13:28 by jiouuu
[¿¼ÑÐ] 320Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-03 3/150 2026-04-03 11:40 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] ÍÁľˮÀû328·ÖÇóµ÷¼Á +6 ¼²·çÖª¾¢²Ý666 2026-04-02 6/300 2026-04-03 11:38 by znian
[»ù½ðÉêÇë] ÇëÎʹ²Í¬Í¨Ñ¶ºÍ¹²Í¬Ò»×÷µÄÈϿɶÈÎÊÌâ 10+4 psa1234 2026-04-01 10/500 2026-04-03 11:08 by Kittylucky
[¿¼ÑÐ] 330Çóµ÷¼Á +3 °×ÉñÎØºôºô 2026-04-02 3/150 2026-04-03 10:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤0856£¬³õÊÔ334 +3 26¿¼ÑвÄÁÏ 2026-04-02 3/150 2026-04-02 21:22 by dongzh2009
[¿¼ÑÐ] ²ÄÁÏ340·Öµ÷¼Á +7 ÏÄÒ¹Íí·ç_long 2026-04-02 9/450 2026-04-02 21:20 by dongzh2009
[¿¼ÑÐ] 311Çóµ÷¼Á +14 À¶ÔÂÁÁÁÁ 2026-03-30 14/700 2026-04-02 12:18 by 1753564080
[¿¼ÑÐ] 307·ÖÇóµ÷¼Á +14 (o~o) 2026-03-31 15/750 2026-04-01 20:43 by longlotian
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +9 hyzzzzzzz. 2026-04-01 9/450 2026-04-01 14:20 by salamander`
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó320»¯Ñ§¹¤³ÌÓë¼¼Êõѧ˶Çóµ÷¼Á +8 ÅûÐÇºÓ 2026-03-30 8/400 2026-03-31 08:53 by lbsjt
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û