专利号:US-2005224354-A1 优先权日:2002-05-06 标题 :Separation process and dyes for use therewith 发明人:JACKSON PETER; BOBROW MARK N; TROMETER JOSEPH D 权利人:JACKSON PETER; BOBROW MARK N; TROMETER JOSEPH D 摘要:The present invention describes rhodamine compounds particularly well-suited for pre-labeling a protein that is then subjected to two-dimensional electrophoresis. Isomeric purification and synthesis of a dye having net neutral charge or no charge precludes interference with isoelectric electrophoretic separation.