Bisamino-PEG conjugates separation ?
Chromatography Forum: LC Archives: Bisamino-PEG conjugates separation ?
Top of pagePrevious messageNext messageBottom of pageLink to this message  By Anonymous on Monday, March 24, 2003 - 08:10 am:

Hi,

we are synthesizing currently conjugates of bisamino-PEGs. Just one aminogroup is used for attachment the other is still free (monosubstituted bisamino-PEG). Sometimes the conjugate has an carboxylic group. So somebody has an advice how to separate it from the edduct to monitor propper reaction ? The edduct bisamino-PEG is in a 3-4 fold excess in the reaktionmixture.
Maybe with an RP8 (not endcapped) or RP18.

Thank you in advance

RS

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