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논문 기본 정보

저자정보
(Department of Pharmaceutical Sciences, S Bhagwan Singh PG Institute of Bio-medical Sciences and Research) (Division of Pharmaceutical Technology, Defence Research Laboratory) (Institute of Pharmacy, Ministry of Health, Government of Eritrea) (Department of Pharmaceutical Sciences, S Bhagwan Singh PG Institute of Bio-medical Sciences and Research)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제37권 제3호
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    초록·키워드

    The purpose of this research was to improve oral bioavailability of poorly aqueous soluble drug lopinavir using solid lipid nanoparticles (SLNs). Glyceryl behenate based SLNs of lopinavir were prepared using hot self-nanoemulsification (SNE) technique. The hot isotropic mixture of glyceryl behenate, Poloxamer 407 and polyethylene glycol 4000 was spontaneously self-nanoemulsify in hot water ($80^{\circ}C$) and SLNs were subsequently formed with rapid cooling. Hot SNE ability of isotropic mixture was visually assessed by ternary phase diagram study. Optimized SLNs were having particle size of $214.5{\pm}4.07nm$, entrapment efficiency of $81.6{\pm}2.3%$ and zeta potential of $-12.7{\pm}0.87mV$. SLNs were evaluated by transmission electron microscopy and atomic force microscopy for morphological details. Further, differential scanning calorimetry and x-ray diffraction were also performed for solid state characterization of SLNs. Higher oral bioavailability (3.56-fold) was found for lopinavir loaded SLNs in comparison to bulk lopinavir due to higher lymphatic drug transport (p<0.05). Results indicate that SLNs of glyceryl behenate can be successfully prepared by hot SNE technique.

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