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357396120

木虫 (小有名气)

[求助] 壳聚糖 戊二醛交联

请问谁做过戊二醛交联的实验呀??我现在想做交联实验,用戊二醛交联壳聚糖,我配的壳聚糖溶液的浓度是0.75%,不知道交联得需要多少浓度的戊二醛??再有就是具体怎么用戊二醛交联?哪位虫友可以帮一下呀,不胜感激!!谢谢啦!
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ruinyan

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引用回帖:
13楼: Originally posted by 乖的隆冬 at 2013-09-27 14:13:50
还有那个戊二醛的浓度有影响吗?我买来的是40%的,直接用可以吗?你们0.25%的是怎么配的呢?...

40%浓度太高了不好用,一般用0.1%~1%的,就是加水稀释的。
14楼2013-09-27 14:34:16
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aircraftvip

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感谢参与,应助指数 +1
fool_proof: 应助指数-1, 扣除应助指数,请理解!欢迎常来生物材料版交流 2013-03-17 10:11:39
357396120(红舟流星代发): 金币+1, 代扣代发金币 2013-07-31 19:12:11
Orthogonal reactions are based on orthogonal chemistry. Here you could more information.

http://en.wikipedia.org/wiki/Bioorthogonal_chemistry
''The term bioorthogonal chemistry refers to any chemical reaction that can occur inside of living systems without interfering with native biochemical processes.The term was coined by Carolyn R. Bertozzi in 2003. Since its introduction, the concept of the bioorthogonal reaction has enabled the study of biomolecules such as glycans, proteins,and lipids in real time in living systems without cellular toxicity. A number of chemical ligation strategies have been developed that fulfill the requirements of bioorthogonality, including the 1,3-dipolar cycloaddition between azides and cyclooctynes (also termed copper-free click chemistry),between nitrones and cyclooctynes,oxime/hydrazone formation from aldehydes and ketones, the tetrazine ligation, the isonitrile-based click reaction, and most recently, the quadricyclane ligation.''
格物致知,知行合一
2楼2013-03-17 01:24:14
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aircraftvip

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sorry, 回错了,请版主删帖!
格物致知,知行合一
3楼2013-03-17 01:31:36
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gaog345

木虫 (小有名气)

【答案】应助回帖


感谢参与,应助指数 +1
红舟流星: 金币+1, 欢迎来生物材料板块积极应助交流 2013-03-18 00:34:29
请问你交联后干什么,是酶吗,采用壳聚糖-戊二醛的方法固定研究已经太多了,你直接看看别人的文章就可以了
老师,好当;好老师,不好当!
4楼2013-03-17 21:44:37
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