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  • مشاهده آیتم
  •   صفحه اصلی مخزن دانش
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The Effect of Particle Size on the Deposition of Solid Lipid Nanoparticles in Different Skin Layers: A Histological Study.

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تاریخ
2016
نویسنده
Mardhiah Adib, Z
Ghanbarzadeh, S
Kouhsoltani, M
Yari Khosroshahi, A
Hamishehkar, H
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نمایش پرونده کامل آیتم
چکیده
In the present study the effect of particle size, as a substantial parameters in skin penetration, on the deposition depth and rate of SLNs in different layers of skin was explored.SLNs in different particle size ranges (80, 333 and 971 nm) made of Precirol as solid lipid were prepared using hot melt homogenization technique and pigmented by Rhodamine B to be able to be tracked in the skin under inspection of fluorescent microscopy. After 0.5 h, 3 h, 6 h and 24 h of SLNs administration on rat skin, animals were sacrificed and exercised skins were sliced by a freeze microtome. SLNs were monitored in the skin structure under fluorescence microscope.The size of SLNs played a crucial role in the penetration to deep skin layers. The sub100 nm size range of SLNs showed the most promising skin penetration rate and depth mainly via hair follicles.The results of the present study indicated that the selection of an appropriate size of particles may be a valuable factor impacting the therapeutic outcomes of dermal drug administration.
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http://dspace.tbzmed.ac.ir:8080/xmlui/handle/123456789/40021
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