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Advanced Pharmaceutical Bulletin
ISSN: 2228-5881      eISSN: 2251-7308  
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Article History
Submitted: 14 Oct 2015
Revised: 24 Dec 2015
Accepted: 07 Jan 2016

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Adv Pharm Bull. 2016;6(1):31-36 doi: 10.15171/apb.2016.06

The Effect of Particle Size on the Deposition of Solid Lipid Nanoparticles in Different Skin Layers: A Histological Study

Original Research

Zahra Mardhiah Adib 1, Saeed Ghanbarzadeh 2, Maryam Kouhsoltani 3, Ahmad Yari Khosroshahi 4, Hamed Hamishehkar 5 *

1 Research Center for Pharmaceutical Nanotechnology and Students’ Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
2 Zanjan Pharmaceutical Nanotechnology Research Center, Department of Pharmaceutics, Faculty of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran.
3 Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran.
4 Biotechnology Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
5 Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.



Abstract
Purpose: 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. Methods: 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. Results: 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. Conclusion: 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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Articles by Mardhiah Adib Z
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Articles by Mardhiah Adib Z
Articles by Ghanbarzadeh S
Articles by Kouhsoltani M
Articles by Yari Khosroshahi A
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