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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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liuanan

专家顾问 (著名写手)

【答案】应助回帖

★ ★
黄酮: 金币+1, 谢谢回帖交流 2013-03-19 21:40:21
357396120(红舟流星代发): 金币+1, 代扣代发金币 2013-07-31 19:11:56
醛基与氨基的反应好像需要加点硼氢化钠吧。常温反应,戊二醛用2.5%试试
8楼2013-03-19 20:41:57
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aircraftvip

专家顾问 (正式写手)


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

专家顾问 (正式写手)

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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