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若林源三

金虫 (小有名气)

[求助] 关于胶原的问题

请教一下各位大侠,我准备往我的材料上面复合一层胶原,以增强它的细胞相容性。想请问下,用什么溶剂,用多大的胶原浓度呢?另外,因为我要做细胞实验,想问下这个胶原溶液用什么来灭菌呢?谢谢了~~~
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tjpugyb

木虫 (正式写手)

★
markar: 金币+1, 感谢回帖交流! 2012-03-27 21:38:21
To improve further the cell-interactive properties of collagenbased
matrices, specific peptides, growth factors151,234 (e.g.,
BMP-2),235 or both have already been incorporated. Duan
et al. have applied the 2-polypropyleneimine octaamine dendrimer
in the presence of EDC as cross-linker for collagen
scaffolds.
4楼2012-03-27 19:19:03
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yangjianhai326

木虫 (小有名气)

【答案】应助回帖

★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
markar: 金币+1, 感谢回帖交流! 2012-03-25 23:11:13
若林源三: 金币+5, 好的,谢谢~ 2012-03-26 08:57:31
最好是水溶解胶原了,溶解浓度要看你胶原能溶解多少了,据我所知,国内胶原大概能溶1mg/ml就很不错了,灭菌的话,可以将干胶原在超净台紫外灭菌过夜,用无菌水再溶解,应该也可以溶解后再高压灭菌。不过建议你可以选用明胶来提高生物相容性,它的溶解性比胶原要好,不过要需要加热到70度溶解。
入职了,人生忙碌的开始!
2楼2012-03-25 21:52:16
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liubin

专家顾问 (著名写手)

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markar: 金币+1, 感谢回帖交流! 2012-03-27 21:37:32
亲爱滴

胶原是水溶性的
复合上去没问题
沾水后就会掉下来

如果用交联剂,就不是胶原啦
3楼2012-03-26 11:08:35
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若林源三

金虫 (小有名气)

引用回帖:
4楼: Originally posted by tjpugyb at 2012-03-27 19:19:03:
To improve further the cell-interactive properties of collagenbased
matrices, specific peptides, growth factors151,234 (e.g.,
BMP-2),235 or both have already been incorporated. Duan
et al. have  ...

请问下这是在哪篇找的啊?
5楼2012-03-28 09:10:46
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