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Separation of AM, BPB and MR in a membrane-less DFGF apparatus. The three dyes are well resolved and have band widths approximately equal to the distance between two electrodes (1.27 mm). The dyes were held within the separation channel under focusing conditions for greater than 10 h without noticeable signs of degradation or redox reactions on the electrodes. The electrodes within the separation channel are easily recognized.
