Abstract
The effects of microwave heating versus conventional heating on particle-size distribution, morphology and crystallinity of cyclodextrin nanosponges have been investigated. FTIR-ATR, XRPD, DSC and DTA studies outlined the structural differences between the nanosponges prepared by different methods. The microwave-synthesized nanosponges exhibited higher degree of crystallinity and narrow size distribution. HR-TEM indicates that nanosponges obtained from microwave method are highly crystalline and faceted versus their conventionally-prepared counterparts. Microwave-synthesized nanosponges were measured with approximately twice the loading capacity towards a model drug than similar-sized conventionally prepared particles. Extensive structural characterisation studies revealed the distinct and preferential effects of the microwave heating method.
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