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shji03zhangjing

铜虫 (小有名气)


[资源] 有关MTT方面的一些知识

MTT????????衢????????????????????

MTT??????????????л?????3-(4,5)-dimethylthiahiazo (-z-y1)-3,5-di- phenytetrazoliumromide, MTT?????????????MTT????????????????????????????????????????????????е?????????????????????????????C????????tetrazolium????????????????formazan????formazan????????????????????????????????????????????????????????MTT???????????????formazan???????50%??N,N-?????????????20%???????????????pH 4.7????MTT???????????????????490 nm????????OD??????????????????????????DMSO?????
MTT??????????????????????????????????????????????????????????????????????????????á?

MTT

?????????
1????????????ú?10???С?????????????????????????????
1000??10000??????????96??壬??????200ul.

2:???????????????????????????3??5??????????????????????????????

3???????????3??5???????MTT?????5mg/ml??PBS ??)20ul.
????????4С????????????С?????????????????????????????????????????????????????????????????150ul DMSO????10???????????????

4??????????490nm?????????????????????????????????????????????????????????????????????????????????

???????
??1?????????????????????
??2?????????????????С??10??????????????????????顣??????????????????????????
??3??????????????????в?????????????????????????????鲽?豣??????????????????

MTT??????????????0-0.7????????????Χ????????????

IC50?????????????????????50???????????????????????????????????????????????????????????????????????????????????????50??????????????????????IC50???????2??????????????????????????

???????????????0.1??0.01??0.001??0.0001??0.00001??0.000001?????????10?????????0.1?????????0.95?? 0.80??0.65??0.43??0.21??0.06??????
???????
Pm=0.95
Pn=0.06
P=0.95 0.80 0.65 0.43 0.21 0.06=3.1
Xm=lg0.1=-1
lgI=lg0.1/0.01=1
lgIC50=-1-1*(3.1-(3-0.95-0.06)/4)=-3.6025
IC50=0.00025

????????????ο?;
lgIC50=Xm-I(P-(3-Pm-Pn)/4)
Xm:lg ??????
I:lg(??????/???????)
P:???????????
Pm:???????????
Pn:??С????????

??????=1-?????OD?/??????OD?
????е??????С????????????????С??????

????
??96???????SMMC-7721?????MTT?????????,??ü????1640??????,????MTT??DMSO?????????????????200ul1640,20ulMTT,150ulDMSO ??DMSO?????????????????????DMSO?????H???????б????

??????4000???????????????????20000??/ml??MTT??20ul????????С??????????????????????????????????150ul DMSO??????????????10??????????????
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ruier8873

木虫 (小有名气)


★
louyiceng(金币+1,VIP+0):坚持就是胜利
我也是在做这个 ,感觉好累啊
就快崩溃了
做实验真是不容易啊
9楼2008-06-29 13:47:09
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shji03zhangjing

铜虫 (小有名气)


★ ★
louyiceng(金币+2,VIP+0):很好,谢谢分享
最近在做这方面的东西,在一网站上 看到这些内容,感觉很有帮助,拿过来和大家分享
2楼2008-04-09 15:24:06
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jia0436

铜虫 (初入文坛)


谢谢了,我最近也是在做MTT,刚开始做,请多指教.
4楼2008-04-11 18:33:00
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taotao4108

金虫 (正式写手)


我手头也有很多
而且最近天天都做MTT,累死了
5楼2008-04-11 23:51:38
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