Figure 7.
(A–D) Secondary structural spectra of the BSA in the NEDDS. (A) BSA aqueous solution; (B) BSA NEDDS stored at room temperature for 30 days; (C) BSA NEDDS stored at room temperature for 90 days; (D) BSA NEDDS stored at room temperature for 180 days.
Note: Arrows represent BSA absorption peaks.
Abbreviations: BSA, bovine serum albumin; NEDDS, nanoemulsion drug-delivery system.