Patent Application Publication  Apr. 8, 2010 Sheet 2 of 11  US 2010/0087650  Al  Fig. 2  1.80  1.60  C  1.40  0  1.20  ■- ...  ::::s  1.00  - 0  0.80  ,n  0.60  G)  ~  0.40  0.20  0.00  0  20  40  y  =  0.2146Ln(x)  +  0.655  R 2  =  0.8403  60  80  100  Conc.(mM)  120 