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논문 기본 정보

자료유형
학술저널
저자정보
Hooshyar Salar (Iran University of Medical Sciences Islamic Republic of Iran) Nafisi Shohreh (University of California USA) Mohseni Mojdeh (Iran University of Medical Sciences Islamic Republic of Iran) Mehravi Bita (Iran University of Medical Sciences Islamic Republic of Iran)
저널정보
한국약제학회 Journal of Pharmaceutical Investigation Journal of Pharmaceutical Investigation 제51권 제2호
발행연도
2021.1
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173 - 181 (9page)

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Purpose Poor bioavailability of diphenylcyclopropenone (DPCP), an effective drug for an autoimmune disorder of alopecia areata, limits its pharmaceutical effects. Carriers-based nanoparticles with especially porous structures can overcome these restrictions. Here, mesoporous silica nanoparticles, MCM41, with high surface area and pore volume were synthesized for DPCP delivery to the hair follicles through skin tissue. Methods Mesoporous silica nanoparticles (MCM41) were synthesized by the Stober process and analyzed by scanning electron microscopy, dynamic light scattering, Barrett?Joiner?Halenda and N2 adsorption isotherms for their physicochemical properties. HPLC method was used to determine drug entrapment efficiency and release behavior during 24 h. Cytotoxicity of formulations was evaluated using MTT assay and permeation profiles of DPCP (control sample) and DPCP-MCM41 into the rat skin were obtained by using Franz diffusion cells. Fluorescence microscopy and intrafollicular nanoparticle accumulation were examined using confocal microscopy. Results Experiments showed the spherical shape of the nanoparticles with an average size of 50 ± 3 nm, high surface area, and porosity. Entrapment efficiency was about 90% and release behavior had sustained manner after 3 h. Fluorescent and confocal microscopy confirmed that the nanoparticles passed through follicular channels and aggregated around the hair follicles. Conclusion MCM41 nanoparticles provide a promising nano-carrier for targeted drug delivery of DPCP to the human hair follicle.

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