Hollow Mesoporous Silica@Zeolitic Imidazolate Framework Capsules and Their Applications for Gentamicin Delivery

Figure 4

SEM image (a), TEM image (b), PXRD pattern (c), photograph (inset), and FTIR spectrum (d) of the FITC/HMS@ZIF capsule.

(a)

(b)

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(d)