Figure 6.

a The FT-IR spectra of (a) pure BSA, (b) BSA–Cu2+, and (c) BSA–CuSe in BSA solution for 96 h. b Raman spectra (632.8 nm excitation) of pure BSA, BSA–Cu2+, BSA–CuSe in BSA solution for 96 h

Huang et al. Nanoscale Research Letters 2010 5:949-956   doi:10.1007/s11671-010-9587-0