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  • Fluorescence recovery after photo-bleaching as a method to determine local diffusion coefficient in the stratum corneum

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    Author
    Anissimov, Yuri
    Zhao, Xin
    S. Roberts, Michael
    V. Zvyagin, Andrei
    Year published
    2012
    Metadata
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    Abstract
    Fluorescence recovery after photo-bleaching experiments were performed in human stratum corneum in vitro. Fluorescence multiphoton tomography was used, which allowed the dimensions of the photobleached volume to be at the micron scale and located fully within the lipid phase of the stratum corneum. Analysis of the fluorescence recovery data with simplified mathematical models yielded the diffusion coefficient of small molecular weight organic fluorescent dye Rhodamine B in the stratum corneum lipid phase of about (3-6)x10(-9)cm(2)s(-1). It was concluded that the presented method can be used for detailed analysis of localised ...
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    Fluorescence recovery after photo-bleaching experiments were performed in human stratum corneum in vitro. Fluorescence multiphoton tomography was used, which allowed the dimensions of the photobleached volume to be at the micron scale and located fully within the lipid phase of the stratum corneum. Analysis of the fluorescence recovery data with simplified mathematical models yielded the diffusion coefficient of small molecular weight organic fluorescent dye Rhodamine B in the stratum corneum lipid phase of about (3-6)x10(-9)cm(2)s(-1). It was concluded that the presented method can be used for detailed analysis of localised diffusion coefficients in the stratum corneum phases for various fluorescent probes.
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    Journal Title
    International Journal of Pharmaceutics
    Volume
    435
    DOI
    https://doi.org/10.1016/j.ijpharm.2012.01.055
    Copyright Statement
    © 2012 Elsevier. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Biological Mathematics
    Pharmaceutical Sciences
    Publication URI
    http://hdl.handle.net/10072/48461
    Collection
    • Journal articles

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