24小时热门版块排行榜    

Znn3bq.jpeg
查看: 702  |  回复: 4

youcai147

铁杆木虫 (著名写手)


[交流] 【求助/交流】问一个跑胶的问题



跑胶的时候,想要图上的第二条带的产物,跑胶的方向如图,文献上的有两个东西要插入胶中,我就是想理解下这个 glassfiber microfilters 和dialysis membranes 是不是我图上那样的前面顺序,还是先放d再放g



文献的原文是:Nanocrystal molecule purification: Agarose gels (3 ± 4%) were used to analyze and isolate the desired structures. Tris-borate EDTA (1X, TBE)
was used as the running buffer. Glycerol loading buffer (6X) was used to load the samples onto the gels.[18] After electrophoresis, samples were isolated by slicing the gel in front of the desired band and inserting glassfiber microfilters (Whatman GF/C) that were backed with dialysis membranes (Spectra/Por, MWCO: 10000). The bands were incorporated into the paper by electrophoresis. The filter/membrane pieces were then placed with the filter facing down into 0.5-mL Eppendorf tubes which had been pierced at the bottom with 26-gauge needles. These Eppendorf tubes were fitted into 1.5-mL Eppendorf tubes and centrifuged for one minute (14 000_g) to isolate the desired products. Syringe tip filters (Millipore, 0.45 mm) were used to remove residual glass fibers from the resulting solutions. Typically, isolated yields were 30 ± 40% (dimers) and 20 ± 30% (trimers) based on the nanocrystal starting materials.

[ Last edited by youcai147 on 2011-3-24 at 09:32 ]
回复此楼

» 猜你喜欢

» 抢金币啦!回帖就可以得到:

查看全部散金贴

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
youcai147(金币+2): 谢谢了,就是想知道文献中back这个词的理解 2011-03-23 17:49:51
说实话,不懂,帮顶!
2楼2011-03-23 17:41:47
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

321wangke321

金虫 (正式写手)


引用回帖:
Originally posted by youcai147 at 2011-03-23 17:23:55:


跑胶的时候,想要图上的第二条带的产物,跑胶的方向如图,文献上的有两个东西要插入胶中,我就是想理解下这个 glassfiber microfilters 和dialysis membranes 是 ...

听不懂啊
3楼2011-03-23 18:34:11
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
★ ★
lstt09nk(金币+2): 感谢参与 2011-03-23 19:29:41
youcai147(金币+5): 非常感谢,我再好好看看 2011-03-24 09:31:07
youcai147(金币+2): 我在原贴上贴了上下文,感觉还是插了两个东西 2011-03-25 08:55:46
不是插两个,只插玻璃纤维滤膜

建议你还是把前后文,上下文好好读读。
感觉应该是在胶的前方插入玻璃纤维滤膜,继续跑胶,让滤膜拦截DNA,然后取出滤膜,用透析的方法回收DNA,这应该是整片文章的主旨所在
4楼2011-03-23 18:58:02
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

youcai147

铁杆木虫 (著名写手)


自己顶一下
5楼2011-03-25 08:55:59
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 youcai147 的主题更新
普通表情 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
[考研] 291分调剂 +4 上岸小莹加油 2026-04-09 5/250 2026-04-11 11:49 by zhq0425
[考研] 296求调剂 +13 汪!?! 2026-04-10 15/750 2026-04-11 10:31 by 逆水乘风
[考研] 一志愿北理工298英一数二已上岸,感谢各位老师 +14 Reframe 2026-04-10 16/800 2026-04-10 23:07 by caotw2020
[考研] 265求调剂 +12 风说她早忘了 2026-04-10 13/650 2026-04-10 18:56 by chemisry
[考研] 一志愿京区985,085401,与本科专业一致,电子信息工程, +4 阳光开朗的男孩 2026-04-10 4/200 2026-04-10 18:27 by shenrf
[考研] 一志愿0703化学招61最终排名62化学求调剂 +24 招61排名62 2026-04-07 28/1400 2026-04-10 16:15 by yx54321
[考研] 一志愿双非085400电子信息344 求调剂,对材料和化学方向也感兴趣 +8 无情的小羊 2026-04-09 9/450 2026-04-10 09:30 by 松花缸1201
[考研] 材料化工总分334求调剂 +16 Riot2025 2026-04-08 17/850 2026-04-09 20:19 by maddjdld
[考研] 284求调剂 +7 让我上岸吧阿西 2026-04-09 7/350 2026-04-09 18:59 by haironglove
[考研] 337求调剂 +4 Gky09300550, 2026-04-09 4/200 2026-04-09 17:18 by 帕尔马拉特
[考研] 一志愿武理车辆 281 求调剂 +5 上岸研究生. 2026-04-07 5/250 2026-04-09 15:56 by only周
[硕博家园] 有没有学校材料专业收跨调(一志愿085410) +5 momo(上岸版) 2026-04-06 8/400 2026-04-09 15:07 by only周
[考研] 286求调剂 +19 Faune 2026-04-08 20/1000 2026-04-09 08:36 by 哦哦123
[考研] 材料考研求调剂总分280 +30 mkjlz1 2026-04-06 35/1750 2026-04-08 21:25 by cyh—315
[考研] 270求调剂 +3 031127 2026-04-06 4/200 2026-04-08 21:00 by 逆水乘风
[考研] 求调剂 一志愿西南交通大学085701环境工程 282分 +15 多多爱吃汉堡 2026-04-04 16/800 2026-04-08 11:39 by i_cooler
[考研] 071000生物学,一志愿深圳大学296分,求调剂 +12 TIckLw 2026-04-06 13/650 2026-04-07 20:34 by lijunpoly
[考研] 085602调剂 初试总分335 +10 19123253302 2026-04-05 10/500 2026-04-07 15:23 by 小乔同学ya
[考研] 一志愿武汉理工大学080200机械工程308分,求调剂 +4 终不似从前 2026-04-05 4/200 2026-04-06 11:46 by 考研学校招点人
[考研] 可跨专业调剂 +3 周的得地 2026-04-04 6/300 2026-04-04 22:21 by barlinike
信息提示
请填处理意见