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Characterization of nanospheres. (A) FTIR spectra for Carboxymethyl Chitosan (CMC), C-Phycocyanin (C-PC)/CMC, and C-PC/CMC-CD55sp. (B) Morphology was determined using transmission electron microscopy. CMC, scale bars, 50 nm; C-PC/CMC, scale bars, 250 nm; C-PC/CMC-CD55sp, scale bars, 500 nm.
