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linger2007212

[½»Á÷] [ÇóÖú]Extinction Coefficient of Maleimide

What is the extinction coefficient of maleimide? How could I find it? Thanks a lot!
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linger2007212

I know the concentration of Maleimide-PEG by weighting its mass and calculation. I wanna measure the UV-Vis absorbance of maleimide by Absorbance=Extinction Coefficient X Active Maleimide Concentration X Path Width  If all the parameters are known except Active Maleimide Concentration, I can calculate it. What I wanna know is that how many maleimide groups are there per PEG.
5Â¥2008-04-01 10:39:46
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dryfish

½ð³æ (ÖøÃûдÊÖ)

it can be obtained by yourself.
2Â¥2008-04-01 08:36:05
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linger2007212

But I don't have maleimide. I wanna determine how active the maleimide group in Maleimdie-PEG.
3Â¥2008-04-01 09:49:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dryfish

½ð³æ (ÖøÃûдÊÖ)

¡ï
dnp(½ð±Ò+1,VIP+0):Thank you for your discussion. Can you back again to help linger2007212 to answer her questions?
how can u determine the activity of the maleimide group in Maleimdie-PEG by its extinction coefficient.
4Â¥2008-04-01 10:15:56
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