Fig. 2

Functionalized nanodiamonds. a Bi-functional peptide composed of a cell penetrating R7 peptide (blue dotted area) that enhances the cellular uptake of its cargo, and a β-sheet breaker CLPFFD peptide (red dotted area) that recognizes toxic Aβ aggregates present in AD. b Zeta potential (Zp), hydrodynamic diameter (HD) and Polydispersity index (PDI) of naked and functionalized NDs. c Illustration and properties of fNDs