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Scanning electron microscopy of Aβ40 plaques.
Notes: Untreated Aβ40 plaque (A and B), Aβ40 plaques digested with unformulated nattokinase for 1 h (C), Aβ40 plaques digested with unformulated nattokinase for 24 h (D), Aβ40 plaques digested with NKNPs for 1 h (E) and for 24 h (F), Aβ40 plaques digested with conjugated NKNPs for 1 h (G) and for 24 h (H).
Abbreviations: h, hours; NKNPs, nattokinase–poly(lactic-co-glycolic acid) nanoparticles.
