Journal of Nanomaterials / 2011 / Article / Fig 1

Research Article

Chitosan Derivatives/Calcium Carbonate Composite Capsules Prepared by the Layer-by-Layer Deposition Method II Stabilization of the Shell by Crosslinking

Figure 1

Transmission electron micrographs for capsules with a crosslinked chitosan shell ( ). (a) A filled capsule crosslinked by HMDI, (b) a hollow capsule crosslinked by HMDI, (c) a filled capsule crosslinked by TDI, and (d) a hollow capsule crosslinked by TDI.

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