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Native purification of His-tagged Proteins from Sf9 cells
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ÈÕÆÚ£º2007-12-02 13:55:36
µã»÷£º40 ÆÀÂÛ£º0
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| Native purification of His-tagged Proteins from Sf9 cells Native purification of His-tagged Proteins from Sf9 cells Protocol is for 150 ml of cell culture. 1. Spin down cells and wash 1X in 10 ml ice cold PBS. 2. Resuspend pellet in 20 ml lysis buff |
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ÈÕÆÚ£º2007-11-07 00:57:47
µã»÷£º79 ÆÀÂÛ£º0
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| 1. °±»ùËᣨamino acid£©£ºÊǺ¬ÓÐÒ»¸ö¼îÐÔ°±»ùºÍÒ»¸öËáÐÔôÈ»ùµÄÓлú»¯ºÏÎ°±»ùÒ»°ãÁ¬ÔÚ¦Á-̼ÉÏ¡£Êǵ°°×ÖʵĹ¹¼þ·Ö×Ó¡£ 2. ±ØÐè°±»ùËᣨessential amino acid£©£ºÖ¸ÈË£¨»òÆäËü¼¹×µ¶¯Î£¨Àµ°±ËᣬËÕ°±ËáµÈ£©×Ô¼º²»Äܺϳɣ¬ÐèÒª´ÓʳÎïÖлñµÃµÄ°±»ùËá¡£ £¨Ò»¼ÒдÁ½Èý±¾ |
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ÈÕÆÚ£º2007-10-26 09:18:08
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ÈÕÆÚ£º2007-10-26 09:16:51
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| ÕªÒª£º ±¾ÎÄÖ÷ÒªÊÇÕë¶ÔWestern blotingµÄÔÀí¼°²Ù×÷½øÐÐÁ˼òµ¥µÄ²ûÊö£¬WesternÓ¡¼£·¨ÊÇÀûÓÿ¹Ô¿¹ÌåµÄÃâÒß·´Ó¦£¬ÏȽ«µ°°×ͨ¹ýSDS-PAGEµçÓ¾·ÖÀ뿪À´£¬È»ºóÔÙÀûÓõ糡Á¦µÄ×÷Óý«½ºÉϵĵ°°××ªÒÆµ½¹ÌÏàÔØÌ壨NCĤ£©ÉÏ£¬È»ºóÔÙ¼Ó¿¹ÌåÐγɿ¹Ô¿¹Ì帴ºÏÎÀûÓ÷¢¹â»òÏÔÉ«ÔÀí |
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Dry Transfer ¸É·¨µ°°×תĤ
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ÈÕÆÚ£º2007-10-26 09:14:46
µã»÷£º76 ÆÀÂÛ£º0
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| Dry Transfer Trans-Bot SD Assembly 1. Prepare the transfer buffer. 2. Following electrophoresis, equilibrate the gels in transfer buffer. Equilibration facilitates the removal of electrophoresis buffer salts and detergents. The length of time requir |
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ÈÕÆÚ£º2007-10-26 09:14:05
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| ±í1 Common problems for electrophoresis and western bloting ÎÊ Ìâ ¿ÉÄÜÔÒò ½¨Òé½â¾ö·½·¨ ÍÆ¼öµçѹÌõ¼þϵçӾʱ¼ä¹ý³¤¡£ µçÓ¾»º³åÒº¹ýÏ £ ÅäÖÆÐÂÏÊ»º³åÒº£¬Ê¹ÓÃ1XÏ¡ÊÍÒº¡£ ÍÆ¼öµçѹÌõ¼þϵçÁ÷¹ý¸ß£¬ÈÈÁ¿¹ý´ó¡£ µçÓ¾»º³åÒº¹ýÏ £ ÅäÖÆÐÂÏÊ»º³åÒº£¬Ê¹ÓÃ1XÏ¡ÊÍÒº¡£ ÍÆ |
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ÈÕÆÚ£º2007-10-26 09:11:54
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| תĤ: С·Ö×ÓÁ¿µÄµ°°×°ë¸ÉתЧ¹û±È½ÏºÃ£¬ ´ó·Ö×ÓÁ¿£¨100KD£©ÒÔÉϽ¨Òéʪת¡£ ¾ßÌåתĤÌõ¼þÐèÒª¶àÃþһϡ£30-80KD°ë¸ÉתºãÁ÷1mA/cm2£¬1-1.5h ¶¼¿ÉÒÔ£¬´ó·Ö×Óʪת100V£¬2.5hÒÔÉÏÓ¦¸Ã¿ÉÒÔ£¬×ªÍêĤÀö´ººìȾ³öµÄÌõ´ø±È½ÏÇå³þµÄ»°£¬Ò»°ã¶¼ÄÜÓнá¹û¡£ ʪת£¬BufferÒ»¶¨ÒªÔ¤À䣬 |
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ÈÕÆÚ£º2007-10-26 09:10:57
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| ÔÚ¾µäµÄWestern BlotµÄÊÀ½çÀµ°°×µçÓ¾¡ª×ªÄ¤¡ª·â±Õ¡ª¿¹Ì塪ÏÔÉ«Õâ¸öÎå²½Öè»·»·Ïà¿Û£¬¹¹³ÉWBÍêÕû¹ý³Ì£¬¾ÍÏóÆö»ýľһÑù£¬ÉÙÁËÇ°ÃæÒ»²½µÄ»ù´¡ºóÃæµÄ¾ÍÆö²»ÉÏÈ¥¡£µ«ÊÇÇ×°®µÄÅóÓÑ£¬¸æËßÎÒ£¬ÄãÃÇÔÚÒ»´ÎÓÖÒ»´ÎÖØ¸´Õâ¸öÃ²ËÆ¼òµ¥ÓÖÆÄΪ·ÑʱµÄʵÑéʱ£¬ÓÐûÓÐÉèÏë¹ýÄÜÊ¡ÂÔµôÆä |
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Western Blot Protocol
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ÈÕÆÚ£º2007-10-26 09:06:51
µã»÷£º84 ÆÀÂÛ£º0
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| Ò»¡¢ÌáÈ¡¿¹Ôµ°°× ½«ÌáÈ¡ RNA ;ÖÐÁô´æµÄÑùÆ·£¬¼ÓÈë 150¦Ìl 100% ¾Æ¾«³ä·Ö»ìÔÈ£¬¾²Öà 5min(RT), 2000 ¡Á g , 4 ¡æÀëÐÄ 5min, ÎüÈ¡ÉÏÇåÖÁйÜÖÐ , ¼ÓÈë 750¦Ìl Òì±û´¼ , »ìÔÈ , ¾²Öà 10min(RT), 12000 ¡Á g, 4 ¡æÀëÐÄ 10min, ÆúÉÏÇå , ¼ÓÈë 1ml 0.3mol/L ÑÎËáëÒ /95% ¾Æ |
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ÈÕÆÚ£º2007-10-26 09:04:24
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| Westernblot ʵÑé²½Öè 1. ×éÖ¯¿é³ÆÖØ 2. ÀûÓÃÒºµª¡¢Ñв§·ÛËé×éÖ¯¿é 3. ¼ÓÈëRIPA»º³åÒº£¨Ã¿¿Ë×éÖ¯3 ml RIPA£©£¬PMSF£¨Ã¿¿Ë×éÖ¯30¦Ìl£¬10 mg/ml PMSF£©£¬ÀûÓÃPolytron½øÒ»²½ÔȽ¬£¨15,000ת/·Ö*1·ÖÖÓ£©Î¬³Ö4¡æ 4. ¼ÓÈëPMSF£¨Ã¿¿Ë×éÖ¯30¦Ìl£¬10 mg/ml PMSF£©£¬±ùÉÏ·õÓý30·Ö |
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ÈÕÆÚ£º2007-10-26 09:03:14
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| WesternÃâÒßÓ¡¼££¨Western Blot£©Êǽ«µ°°×ÖÊ×ªÒÆµ½Ä¤ÉÏ£¬È»ºóÀûÓÿ¹Ìå½øÐмì²â¡£¶ÔÒÑÖª±í´ïµ°°×£¬¿ÉÓÃÏàÓ¦¿¹Ìå×÷Ϊһ¿¹½øÐмì²â£¬¶ÔлùÒòµÄ±í´ï²úÎ¿Éͨ¹ýÈںϲ¿·ÖµÄ¿¹Ìå¼ì²â¡£ Ò»¡¢ÔÀí ÓëSouthern»òNorthernÔÓ½»·½·¨ÀàËÆ£¬µ«Western Blot²ÉÓõÄÊǾ۱ûÏ©õ£°·Äý½ºµç |
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ÈÕÆÚ£º2007-10-26 09:02:21
µã»÷£º74 ÆÀÂÛ£º0
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| Ö÷ÒªÊÔ¼Á 1¡¢±ûÏ©õ£°·ºÍN£¬N¡¯-ÑǼ×Ë«±ûÏ©õ£°·£¬Ó¦ÒÔÎÂÈÈ(ÒÔÀûÓÚÈܽâË«±ûÏ¡õ£°·)µÄÈ¥Àë×ÓË®ÅäÖÆº¬ÓÐ29%(w/v)±ûÏ¡õ£°·ºÍ1%(w/v)N£¬N¡¯-ÑǼ×Ë«±ûÏ©õ£°·´¢´æÒº±ûÏ¡õ£°·29g£¬N£¬N-ÑǼײæË«±ûÏ¡õ£°·1g£¬¼ÓH2OÖÁ100ml¡£)´¢ÓÚ×ØÉ«Æ¿£¬4¡æ±Ü¹â±£´æ¡£ÑϸñºËʵPH²»µÃ³¬¹ý7.0£¬Òò |
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ÈÕÆÚ£º2007-10-26 09:01:09
µã»÷£º123 ÆÀÂÛ£º0
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| WesternÃâÒßÓ¡¼££¨Western Blot£©Êǽ«µ°°×ÖÊ×ªÒÆµ½Ä¤ÉÏ£¬È»ºóÀûÓÿ¹Ìå½øÐмì²â¡£¶ÔÒÑÖª±í´ïµ°°×£¬¿ÉÓÃÏàÓ¦¿¹Ìå×÷Ϊһ¿¹½øÐмì²â£¬¶ÔлùÒòµÄ±í´ï²úÎ¿Éͨ¹ýÈںϲ¿·ÖµÄ¿¹Ìå¼ì²â¡£ ÔÀí ÓëSouthern»òNorthernÔÓ½»·½·¨ÀàËÆ£¬µ«Western Blot²ÉÓõÄÊǾ۱ûÏ©õ£°·Äý½ºµçÓ¾£¬ |
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western blottingµÄһЩ¸öÈ˾Ñé
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ÈÕÆÚ£º2007-10-26 09:00:30
µã»÷£º82 ÆÀÂÛ£º0
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| 1.ÓÃÍÑÖ¬ÄÌ·Û·â±ÕµÄЧ¹û²»Ò»¶¨±ÈÓÃBSA²î,²»¹ýÎÒÃÇÊÔ¹ý¼¸ÖÖÄÌ·Û,ÓÐһЩÄÌ·Û²»Ì«ÊʺÏ.ÍÆ¼öʹÓõÄÄÌ·Û:ȸ³²¸ß¸ÆÄÌ·Û,¶àÁ¦¾«µÍÖ¬ÄÌ·Û.Ò»°ã¹ú²úµÄÄ̷۵ĿÅÁ£±È½Ï´ó,²»Ì«ÈÝÒ×Èܽâ. 2.¹ØÓÚÈýÃûÖÎ:±¾ÈËÒÔǰ×öʱ»¨ºÜ¶àʱ¼äÔÚ·ÀÖ¹¶Ì·ÉÏ,ÏÖÔÚÎÒ×öµÄʱºò¸ù±¾Ã»ÓмôÆë,×îÖ÷ÒªµÄÊÇ¸Ï |
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ÈÕÆÚ£º2007-10-26 08:58:40
µã»÷£º98 ÆÀÂÛ£º0
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| Running Protein Gels Solutions 10X Running Buffer (0.25 M Tris, 1.92 M glycine, 1% SDS) 121 g Tris 577 g glycine 40 g SDS ddh20 to 4 L (check pH at 1:10 dilution (pH=~8.8)). 5X Sample Buffer (0.3125 M Tris pH 6.8, 10% SDS, 50% glycerol, 0.005% bromo |
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