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. Author manuscript; available in PMC: 2010 Apr 20.
Published in final edited form as: Biointerphases. 2008 Sep;3(3):66–74. doi: 10.1116/1.2965133

FIG. 4.

FIG. 4

Correlation (linear fit) of ELP thickness and fluorescence peak intensities of SPFS angular scans after the stepwise binding of N-ELPs (♦)and unlabeled ELPs (■), respectively, on bare Au substrate with four different graft densities at a solution ionic strength of 10 mM. The numbers show the increment of fluorescence peak intensity after the immobilization of unlabeled ELPs.