²é¿´: 2389  |  »Ø¸´: 25
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

98wawa

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] Çë½ÌTris-Hcl »º³åÒºµÄÅäÖÆÎÊÌ⣡

ÎÒÒªÅäPH=7.4µÄ 34mM µÄ»º³åÒº£¬ÇëÎʸÃÔõôÅäÄØ£¿
ÎÒ¿´µÄ·½·¨¶¼ÊÇÅäµÄ50mMµÄ£¬Èç¹ûÎÒÏ¡ÊÍÁË£¬ÄDz»ÊÇPHÒ²±äÁË£¿·´¹ýÀ´£¬ÎÒÏȵ÷ºÃÁËPH£¬ÔÙÀ´¼ÓËáµ÷½ÚŨ¶ÈµÄ»°£¬PHºóÀ´Ò²ÊÇ»á±äµÄ°É£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²»×ªÂ¼µÄDNA

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
gyesang: ½ð±Ò+1, ¹ÄÀø»ØÌûÓ¦Öú£¡ 2013-05-10 22:47:31
ÄãÏÈÖªµÀPBSÊÇʲô¶«Î÷£¬ËüÊÇÁ×ËáÑÎ(º¬ÓÐNaCl)»º³åÒº¡£²»ÖªµÀÄãµÄPBS´ø²»´øÑεģ¬ÏÖÔÚ»¹ÓÐÐí¶àÈËÈÏΪPBS¾ÍÊÇÁ×ËáÑλº³åÒº£¡
Ò²²»ÖªµÀÄãÅä¶àÉÙŨ¶ÈNaClµÄPBS£¿
³¤µÃ±ÈÎÒÓ¢¿¡µÄ£¬Ã»ÎÒÓвŻª£¡ÓвŻªµÄ£¬Ã»ÎÒ³¤µÃ¿¡£¡
4Â¥2013-05-10 16:23:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 26 ¸ö»Ø´ð

²»×ªÂ¼µÄDNA

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
amisking: ½ð±Ò+4, ¹ÄÀø»ý¼«·¢Ìû°ïÖú½â´ðÎÊÌâ¡£ 2013-05-10 18:44:10
ÚÀ£¡º¢×ÓÄãÏë¶àÁË£¡ÅäÊÔ¼Á£¬ÄãÒªÏÈÃ÷°×ÆäµÀÀí£¬ÔÙÈ¥ÅäºÃ²»ºÃ£¡ÖªÆäÈ»£¬ÖªÆäËùÒÔÈ»£¡
ÅäÖÆTris-Hcl  bufferÊÇÏȼÆËãºÃÐèÒª³ÆÈ¡TrisµÄÁ¿£¡ÔÙÓÃddH2OÈܽ⣬Ȼºóµ÷½ÚpH,×îºó¶¨ÈÝ£¡
ÀýÈçÎÒÐèÒªÅäÖÆ34mM Tris-Hcl  buffer 1L£¬pH=7.4
µÚÒ»²½£º¼ÆËãTrisµÄÖÊÁ¿£º0.034M*1L*121.14(·Ö×ÓÁ¿)=4.12g;
µÚ¶þ²½£º¼ÓddH2O½Á°èÈܽ⣬×ÜÌå»ýÒªÉÙÓÚ1L£¬ÒòΪÄ㻹Ҫµ÷½ÚpH;
µÚÈý²½£ºÓÃHclµ÷½ÚpHÖÁ7.4Ϊֹ£¡
µÚËIJ½£ºÓÃ1LÈÝÁ¿Æ¿¶¨ÈÝÖÁ1L£¡
µÚÎå²½£º½«ÅäÖúõÄÈÜÒºÓÃÏ´¸É¾»µÄÈÝÆ÷×°ÆðÀ´ËĶȷÅÖ㬻òÊÒηÅÖã¡
Õâ¾ÍÅäºÃÁË£¬¸÷λ´óÏÀ²»Òª¼ûЦ°¡£¡
³¤µÃ±ÈÎÒÓ¢¿¡µÄ£¬Ã»ÎÒÓвŻª£¡ÓвŻªµÄ£¬Ã»ÎÒ³¤µÃ¿¡£¡
2Â¥2013-05-10 16:00:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

98wawa

Í­³æ (СÓÐÃûÆø)

·Ç³£¸Ðл¡£¡£¡£
ÄÜÔÙÎÊÎÊ 10mMµÄPBSÔõôÅä²»¡£¡£¡£ph=7µÄ
3Â¥2013-05-10 16:16:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liyu0355

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¿´À´Ô­ÀíÄ㻹ÊÇûÓи㶮ѽ
5Â¥2013-05-10 16:23:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 070300»¯Ñ§Çóµ÷¼Á +5 Ô·¶¹¶¹ 2026-03-20 5/250 2026-03-23 09:39 by guoliang1816
[¿¼ÑÐ] 0703 µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-16 6/300 2026-03-23 08:52 by ×íÔÚ·çÀï
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»Í¨´óѧ²ÄÁϹ¤³Ìרҵ 282·ÖÇóµ÷¼Á +11 ·ãÇÅZL 2026-03-18 13/650 2026-03-22 20:26 by edmund7
[¿¼ÑÐ] 305·ÖÇóµ÷¼Á£¨Ê³Æ·¹¤³Ì£© +4 Sxy112 2026-03-21 6/300 2026-03-22 15:26 by ÎÞи¿É»÷111
[¿¼ÑÐ] 318Çóµ÷¼Á +4 plumÀî×Ó 2026-03-21 7/350 2026-03-22 14:17 by ColorlessPI
[¿¼ÑÐ] 333Çóµ÷¼Á +5 87639 2026-03-21 7/350 2026-03-21 19:31 by ColorlessPI
[¿¼ÑÐ] ¹¤¿Æ0856Çóµ÷¼Á +3 ãåÎö͡͡ 2026-03-21 3/150 2026-03-21 18:30 by ѧԱ8dgXkO
[¿¼ÑÐ] ÇóÖú +5 ÃÎÀïµÄÎÞÑÔ 2026-03-21 6/300 2026-03-21 17:51 by ѧԱ8dgXkO
[¿¼ÑÐ] 0703»¯Ñ§297Çóµ÷¼Á +3 Daisy¡î 2026-03-20 3/150 2026-03-21 17:45 by ColorlessPI
[¿¼ÑÐ] 268Çóµ÷¼Á +9 ¼òµ¥µã0 2026-03-17 9/450 2026-03-21 15:37 by lature00
[¿¼ÑÐ] ²ÄÁϹ¤³Ì£¨×¨£©Ò»Ö¾Ô¸985 ³õÊÔ335Çóµ÷¼Á +3 hiloiy 2026-03-17 4/200 2026-03-21 03:04 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +6 hanamiko 2026-03-18 6/300 2026-03-21 00:24 by JourneyLucky
[¿¼ÑÐ] 330Çóµ÷¼Á +4 С²Ä»¯±¾¿Æ 2026-03-18 4/200 2026-03-20 23:13 by JourneyLucky
[¿¼ÑÐ] AÇøÏß²ÄÁÏѧµ÷¼Á +5 ÖÜÖÜÎÞ¼« 2026-03-20 5/250 2026-03-20 21:33 by laoshidan
[¿¼ÑÐ] Çóµ÷¼Á +3 eation27 2026-03-20 3/150 2026-03-20 19:32 by JourneyLucky
[¿¼ÑÐ] 298-Ò»Ö¾Ô¸Öйúũҵ´óѧ-Çóµ÷¼Á +9 ÊÖ»úÓû§ 2026-03-17 9/450 2026-03-20 14:24 by ÎÞи¿É»÷111
[¿¼²©] É격26Äê +3 °Ë6°Ë68 2026-03-19 3/150 2026-03-19 19:43 by nxgogo
[˶²©¼ÒÔ°] ºþ±±¹¤Òµ´óѧ ÉúÃü¿ÆÑ§Ó뽡¿µÑ§Ôº-¿ÎÌâ×éÕÐÊÕ2026¼¶Ê³Æ·/ÉúÎï·½Ïò˶ʿ +3 1ϲ´º8 2026-03-17 5/250 2026-03-17 17:18 by ber´¨cool×Ó
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +6 ´ó»ðɽС»ðɽ 2026-03-16 8/400 2026-03-17 15:05 by ÎÞи¿É»÷111
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û