Figure 6.

FTIR spectra of pure BSA protein (left), and comparison of BSA protein loading onto the apatite (Ap)-coated citric acid–stabilized cobalt ferrite (CFCA) (CFCA-Ap) surface (right) at various concentrations: (a) 0.2 mg/ml, (b) 0.4 mg/ml, (c) 0.6 mg/ml, (d) 0.8 mg/ml, and (e) 1.0 mg/ml.

Tang et al. Nanoscale Res Lett 2011 6:19   doi:10.1007/s11671-010-9761-4