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The secretions of albumin (A) and fibrinogen (B) were compared in cell populations in three cultures: cells enriched on the aptamer-SAM and collected by electrochemical detachment, cells that did not attach on the aptamer-SAM surface, and cells before separation (Hep G2 and HNDFCs were equally mixed). The values and error bars represent mean and standard deviations calculated from three independent experiments. *p < 0.05.
