In the present paper, we have introduced the preparation and classification of nanofluids. The factors that influence the viscosity of nanofluids and researches on the fundamental research to specific applications of nanorheology in controlled-release fragrance nanocapsules suspensions are discussed. Finally some problems exist in the research of nanorheology are summarized.
The aim of present study was to prepare the mononuclear microcapsules containing cinnamon oil (CO) using a complex coacervation method with gelatin and pectin as wall material. The surface morphology of microcapsule was characterized by optical microscopy and scanning electron microscopy (SEM). Then the microcapsules were analyzed by thermogravimetric analyzer (TGA) to confirm the cinnamon oil had been successfully embedded into the microcapsules and determine the loading capacity. The results showed that the microcapsules were uniform in size, spherical with a mean size of 13.6 ± 4.8μm. The microencapsulation yield, loading capacity and encapsulation efficiency were 65.4±3.3%, 43.3±1.3% and 42.4±1.7%, respectively.
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