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. Author manuscript; available in PMC: 2013 Oct 28.
Published in final edited form as: Chem Commun (Camb). 2012 Sep 6;48(84):10389–10391. doi: 10.1039/c2cc34853e

Fig. 1.

Fig. 1

(A. upper figure) SPR sensor responses to VEGF sol ution at different concentration levels: (a) at 0.25 μg/mL, (b) at 0.5 μg/mL, (c) at 1 μg/mL, (d) at 1.5 μg/mL, (e) at 2 μg/mL and (f) at 2.5 μg/mL. (B. lower figure) Calibration curve: the linear relationship between change of SPR angle shift and VEGF concentration.