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Aptamer selection. A, the relationship of B6 to the 10 other sequences from the SELEX pool. B, sequences of aptamers B6 and B9. The selected regions are shown in red, and their common sequence motifs are underlined. C, surface plasmon resonance traces generated upon incubation of 1 μm 2′F B6 (50 mm MES buffer, 120 mm NaCl, pH 6.2) over flow cells immobilized with hβ2m (red), ΔN6 (dark green), or murine β2m (light green). RU, response units.
