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  • It is a micellar system composed by chitosan,  in aqueous medium and the drug,reticulated by TPP. This solution is further incorporated in a emulsion to topical use.

    When we dried the aqueous solution of reticulated QTS by spray dryer the nanoparticles showed decreased the cell irritation, typical of the used drug, the idebenone (see: Amorin et al., Nanomedicine, v. 6, p. 475, 2010).

     

    Thank you for your attention.

    

  • Dear Shikuan

    We are travel with the incorporation of micelles based on chitosan containing a antiaging drug, into a semisolid formulation (cream), but it is difficult to characterize if the nanossistem remain in the complex formulation (emulsion). Do your techniques may help us?

    Best regards

    Tania

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