Figure 2. (a) SEM images, (b) TEM images, and (c) Magnified TEM images of (i) MANP2:6, (ii) MANP4:6, (iii) MANP6:6, (iv) MANP8:6, and (v) MANP16:6. (d) Fluorescent lifetimes of ANP6, MANP6:6, and MANP16:6. (e) Fluorescent spectra and (f) Fluorescence retention rate, magnetic recovery, and AIE mass ratio of MANP at different feeding amounts of Fe3O4NPs@OA.