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Physicochemical characteristics and in vitro permeation of loratadine solid lipid nanoparticles for transdermal delivery

    Omar Sarheed

    *Author for correspondence:

    E-mail Address: sarheed@rakmhsu.ac.ae

    RAK College of Pharmaceutical Sciences, RAK Medical & Health Sciences University, Ras AlKhaimah, United Arab Emirates

    ,
    Douha Shouqair

    RAK College of Pharmaceutical Sciences, RAK Medical & Health Sciences University, Ras AlKhaimah, United Arab Emirates

    ,
    KVRNS Ramesh

    RAK College of Pharmaceutical Sciences, RAK Medical & Health Sciences University, Ras AlKhaimah, United Arab Emirates

    ,
    Muhammad Amin

    School of Science, Faculty of Engineering & Science, University of Greenwich, Kent, UK

    ,
    Joshua Boateng

    School of Science, Faculty of Engineering & Science, University of Greenwich, Kent, UK

    &
    Markus Drechsler

    Bavarian Polymer Institute, KeyLab ‘Electron & Optical Microscopy’, University of Bayreuth, Bayreuth, Germany

    Published Online:https://doi.org/10.4155/tde-2020-0075

    Aim: To prepare loratadine-loaded solid lipid nanoparticles (SLNs) using a modified two-step ultrasound-assisted phase inversion temperature (PIT) process. Results/methodology: Loratadine was dissolved in beeswax and Tween 80 was dissolved in water. The two phases were mixed together to prepare a water-in-oil emulsion preconcentrate (w/o) at a PIT of 85°C, followed by gradual water addition at 25°C to trigger nanoparticles formation (o/w). Kinetic stability was investigated. No change in the size was observed within 6 months. Fourier-transform infrared spectroscopy demonstrated stability of the emulsions via molecular structure of water at the interface of the o/w nanoemulsions. SLNs enhanced the in vitro skin permeation of loratadine. Conclusion: Stable SLNs were successfully prepared by ultrasound-assisted PIT.

    Papers of special note have been highlighted as: • of interest

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