24小时热门版块排行榜    

查看: 1230  |  回复: 2
当前主题已经存档。

forest200195

木虫 (正式写手)

[交流] 总 RNA 的非变性电泳检测

?? RNA ??????????????? Lambda DNA/EcoR I ?????? Hind III????? Marker???????????????? Marker ????????????????????????裬????? 1-1.2%????????????? (?????????Ψ????????????????????)?? ????????? 2-3cm ????????????????????????????????????????λ??(???????????)???????????????????????????????? (???????)???????????? (??????????)??????? 23kb ??????????? (?????? DNA ???????)?????????????????????????????????????????????????????????????????γ????????????????????????????????й?????????????й??????????????й???????в????и????????????????й?????????????й? (??????????????????????)???????????????????????????????м??????????
???????????????????λ???
1?????????????????λ????????С??? rRNA (5S ??)???????????????????п????У????????С???в????????????????????? TRIzol ????γ???????????????????С?? RNA ??Ρ?
???????????????????????????????????????????????????????????????????????????????????Щ???????????ж????????????????? RNA????????????Σ?????С??η???????????????????????????????Σ????ж???
2?????????????????????????????????????λ???????????ε? rRNA (28S/18S ??)???????????????????????????????????????????????????䶮
??????????????? 2:1?????????????????б?????????????????????????????????????????Щ?????????????????????? (?? DXY ????????????)??????????????????????????
????????ж????????????????????????Щ???? ?C ????? ?C ?????????ж???????????????????á???????????????????????????????????????????? RNA ???????????????? (????????????)???????????????????????κ????
????????????????????????????С????? (????????????????)?????С????β?????????????????????С??η???????? 1??
?????????????????С??β?????????????????????С??η???????? 1????????????????????????????????????????????β??????????????????????????????????????????
?????壺?????????????????????????????????????????й????????????????????Σ????ж???
?????????????? DNA Marker ????С?????ж? RNA ????????С????????????????????????????????????? 28S ???? 2kb λ?????н?? 1kb λ???????????????????????????????й??????????????????????????????????????????????????ò???????????? 1kb ???????????????????????????????????? RNA ??????????????? DNA Ladder ?C ???????????????
3??23kb ???????λ????????????? DNA ????????????????????? DNase I ???????κη?????????? RNA ???????л????? DNA?????????????????????
??????????????????????????????? DNA ??????????????/????й????????????????й????????????????????????????????????? DNA ????????????????TRIzol ???????????????????/???????????? DNA ???????????????????й???????????????????????й??
???????????????????????????????????л????? DNA ????????????????????????????????????????????????????????????????????????????????????????β??????????????????????档
4????????????λ??????????????????????????????????????????????????????????????/???????????????? (?????????) ?????????????????????????????????????????????????????????й? (?????????????????ε?)????????????????/????????Щ??????????й????????????????????????????????й? (?缡??)??????????????????/?????????????????й???????????ù?????????????????
5?????????????????????????????κ?λ?á?????????????????????????????? (????β) ?????????????е??????й?????????????????β??????????????????????????????????????????????????????????????????????
?ж??????????????????????????????????????????????????????????????????????????????????????????ж??????????????????????????????????????ж???????????????????????????????????
???????? TAE ??TBE ????????????????
50x TAE Buffer (Tris-Acetate-EDTA)
242 gm Tris base
57.1 ml Acetic acid
100ml 0.5M EDTA
Add ddH2O to 1 liter and adjust pH to 8.5.
10x TBE Buffer (Tris-Borate-EDTA)
108 gm Tris base
55 gm Boric acid
9.3 gm Na4EDTA
Add ddH2O to 1 liter.
The pH is 8.3 and requires no adjustment.
????????e?????м???
1. TBE ?????? (??????? 10 times)????? borate ????????????????????????????????????????}??
2. TBE ?? buffering capacity ?? TAE ????? TBE ????????? gel??????? (resolution) ????^???
3. ??? TBE ?? borate ???? (ion)?????????? (enzyme) ?????????????????????? DNA ?????????????????? cloning ?? restriction cut ?????????м????? DNA ???? borate ion??
4. TAB ?? buffer capacity ????gel ?????^?????????????????????????
RNA?????????
??????????????????????mRNA?????????RNA???????????????????????????????RNA???????е??????????????????????????????????RNA???????????????????????????????????????RNA??????????????о????RNA??????????Щ??????䶮??????о?????о??????????????Щ???????????????????????????????е??????????????????
??????
RNA????????
????????????RNA???????е????

???????????
?????粻???????????????RNA??????????????????RNA?????
?????????????????????????????????????????????????????????RNA???????????????????????????????RNA???????????????????????????????????RNA????????????????180 ??????С??????????????????????????????????????????????????0.1 ??????????????DEPC???????????????????RNA????????????????????DEPC??RNA????????????????????ò??????????Fedorcsak??Ehrenberg,1966????????DEPC?????????????????37??????С??????????????????Σ?????100????15?????Kumar??Lindberg,1972)????15 lbf/in2(1.034x105Pa)??????????15??????????????????????????????DEPC?????DEPC??????????????RNA???????????????Ρ?
????????????RNA???????????з???Ч?????????????????д???????????????Σ????????γ?DNA??RNA??RNA??RNA??????????????????????????RNA???????????????????????????????????????????????3????H2O2??????????·???10??????????0.1 ??DEPC???????????????????????????????Щ????????????????????????????????????????????RNA?????á?
???????о??????????? RNA??????????????????о???????????????????????????RNA?????????????????漰RNA????в????????У??????????????????? ?????????????????????????????????????RNA?????????RNA?????????????
??????????????????????????RNA?о???????????????????????????????????????????????RNA???????????????????????0.1??DEPC?? 37?????????12С????????100?????15???????15lbf/in2(1.034x105Pa)?????????????15????????DEPC??????????????????????Щ????????????????Tris ????????????漸????δ?????Tris???????????RNA????????
??????RNA????????
?????????????????????RNA????????
??????RNA???????????????????????????????????????RNA????????KI??3x1010???γ?ǹ?????????????????RNA???䶮????????????????????????????????????????????????????к???????????????RNA????????????????????????????????????????????????????????????????????5mmol/L???????????DTT????50???????У????????20?档???????????????κ??????????????????????????????????????????????????????????????RNA????????????????????鶯???????????RNA?????????в??????????????????????????????????????????????????????????????????RNA?????????о???д????????????????????????????????????????????????в???????????????????????????????????????????????????????mRNA???????????е????
??????????????????????????????????1V???????4??????????е???????????γ????????????????????????????????RNA?????????????????????RNA???????????????????????????????????????У???RNA?????????????й????У????????????10mmol/L?????????mRNA???????????????н??з??? ????????Щ???????????mRNA??????????塣??????????????????????????mRNA???????????е???????????ú?0.1 ????????????[ ??0. 01mol/LTris.Cl(pH7.8)???]??γ????????????м?????????????????????????
??????Macaloid?????????Macaloid?????????????????????????????RNA??????????????????????0.015????W/V????????????????? ????????????????????RNA??????????RNA?????????У??????????????????
(????????????????RNA???????е????
?????????????????????????????????????????????????????????飬???????????????????????????????????????RNA???????????????????????????????????????У??縻??RNA????????У?????????????RNA???????????????????RNA???????????????????RNA????й?????????????????????з?????RNA??????RNA??????? RNA??
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

haiven

捐助贵宾 (著名写手)

非常感谢楼主!!!!
走进你,温暖我,迷失于这个世界!
2楼2007-05-26 15:31:18
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 forest200195 的主题更新
普通表情 龙 兔 虎 猫 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考博] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 zSbvVX9JFl9J 2026-11-09 4/200 2026-11-10 01:29 by FChKX8meu1ds
[考博] 27博士申请 +3 白白白ly 2026-11-09 3/150 2026-11-09 21:39 by szq0819
[文学芳草园] 厉娜 +3 张丹枫1991 2026-11-09 5/250 2026-11-09 16:53 by 张丹枫1991
[考博] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +5 kvewwGtKktqB 2026-11-04 12/600 2026-11-09 13:26 by Equinoxhua
[考研] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +5 ttH3f1oA6ace 2026-11-04 15/750 2026-11-09 13:19 by Equinoxhua
[考研] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +6 5sJFDKp2kwuI 2026-11-06 14/700 2026-11-09 11:52 by GwrQVVR6Oenx
[硕博家园] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +5 5sJFDKp2kwuI 2026-11-06 16/800 2026-11-09 11:47 by GwrQVVR6Oenx
[考博] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +5 5sJFDKp2kwuI 2026-11-06 15/750 2026-11-09 11:41 by GwrQVVR6Oenx
[硕博家园] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +4 5sJFDKp2kwuI 2026-11-06 10/500 2026-11-09 08:00 by IhnEQauGmT3K
[考研] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +3 5sJFDKp2kwuI 2026-11-06 12/600 2026-11-09 06:32 by l48hFd8Nwae2
[公派出国] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +4 5sJFDKp2kwuI 2026-11-06 8/400 2026-11-09 00:14 by l48hFd8Nwae2
[教师之家] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +4 5sJFDKp2kwuI 2026-11-06 8/400 2026-11-08 23:01 by l48hFd8Nwae2
[公派出国] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +5 ttH3f1oA6ace 2026-11-04 10/500 2026-11-06 16:12 by 5sJFDKp2kwuI
[硕博家园] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +4 ttH3f1oA6ace 2026-11-04 11/550 2026-11-06 16:10 by 5sJFDKp2kwuI
[公派出国] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +6 ttH3f1oA6ace 2026-11-04 12/600 2026-11-06 16:10 by 5sJFDKp2kwuI
[公派出国] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +5 kvewwGtKktqB 2026-11-04 14/700 2026-11-06 05:10 by qL1cU46YIdK0
[硕博家园] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +6 kvewwGtKktqB 2026-11-04 16/800 2026-11-06 05:00 by qL1cU46YIdK0
[考博] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +4 ttH3f1oA6ace 2026-11-04 7/350 2026-11-06 02:13 by qL1cU46YIdK0
[硕博家园] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +3 ttH3f1oA6ace 2026-11-04 9/450 2026-11-06 02:02 by qL1cU46YIdK0
[硕博家园] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +4 hNpp4Y2CGvSC 2026-11-04 12/600 2026-11-06 01:53 by qL1cU46YIdK0
信息提示
请填处理意见