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Figure 5: Electropherograms of BSA samples labeled with 5.00 x 10-6 M SQHN-3c by on-column (a,b) and pre-column (c) methods. BSA concentrations as follow: (a) 5.00 x 10-6 M; (b) 1.25 x 10-6 M; (c) 50.0 x 10-6 M.
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