How does my mass spectrometer carrier solvent impact mass-directed purification of peptides?

Mass-directed purification, whether with a preparative HPLC or a bench-top flash system, is quickly gaining interest in the peptide purification space.  The simple fact is that using a specific mass, rather that UV absorbance, to trigger fraction collection allows for greater confidence in the identity of the collected fraction.  Importantly though, this technique can also reduce your time required for purification, by significantly reducing or even eliminating the need for secondary mass analysis of each collected fraction.

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