A Dual-Functional [SBA-15/Fe₃O₄/P(N-iPAAm)] Hybrid System as a Potential Nanoplatform for Biomedical Application

Figure 4

Transmission electron micrographs of [SBA-15/Fe₃O₄/P(N-iPAAm)]: (a) viewed along the pore axis, (b) viewed perpendicular to the pore axis, and (c) high resolution images showing the magnetite nanoparticles (dark region) covered by the mesoporous silica of SBA-15/Fe₃O₄.

(a)

(b)

(c)