PBS Buffer CD (Molar ellipticity, θ) at 210 nm Cantilever(surface stress, mN/m) at 100 min
pH 7 -86 73 ± 10 mN/m
pH 12 -29 24 ± 4mN/m
pH  3 -13 3 ± 0.7 mN/m
Table 1: Relative change observed upon CoCl2 injection by spectroscopic and cantilever experiments.