Figure 1.

Transmission electron microscopic images of CHA nanogels: (A) CHA-ETO, (B) CHA-SAL and (C) CHA-CUR. Samples were stained with vanadate. Selected nanogel particles are shown by arrows.

Transmission electron microscopic images of CHA nanogels: (A) CHA-ETO, (B) CHA-SAL and (C) CHA-CUR. Samples were stained with vanadate. Selected nanogel particles are shown by arrows.