Fig. 3

A Fluorescence emission spectra of free hTf and hTf in the presence of varying cinchonine concentrations (0–10 µM). B Stern-Volmer plot and C Modified Stern-Volmer plot of hTf-cinchonine complex.

A Fluorescence emission spectra of free hTf and hTf in the presence of varying cinchonine concentrations (0–10 µM). B Stern-Volmer plot and C Modified Stern-Volmer plot of hTf-cinchonine complex.