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. Author manuscript; available in PMC: 2013 Mar 28.
Published in final edited form as: J Am Chem Soc. 2012 Mar 13;134(12):5637–5646. doi: 10.1021/ja211788e

Figure 5.

Figure 5

Effect of the radius of the bead on the rate of binding of BCA to ligand-functionalized beads. We levitated functionalized PEGA beads in cuvettes in the presence of 130 μM BCA dissolved in the standard levitation buffer. We plot the average levitation height for eight large beads (<R> = 166 ± 5 μm), and eight small beads (<R> = 136 ± 7 μm) versus time, and show the predictions of the reaction diffusion model (the dotted and dashed lines).