[Characteristics of nobiletin-loaded nanoemulsion and its in vivo distribution in mice]

[Characteristics of nobiletin-loaded nanoemulsion and its in vivo distribution in mice] Research Abstract Details 

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[Characteristics of nobiletin-loaded nanoemulsion and its in vivo distribution in mice] Abstract Text:

Jing Yao,Jian-Ping Zhou,Qi-Neng Ping,

The purpose of this study was to prepare the nobiletin-loaded nanoemulsions (NOB-NE) and study its in vivo distribution in mice. The characteristics and stability of the unloaded and drug-loaded nanoemulsions were investigated. The size, apparent viscosity and pH value of NOB-NE were respectively (15.5 +/- 2.9) nm, (3.10 +/- 0.33) mPa x s and 6.56 +/- 0.05, which were all higher than those of unloaded nanoemulsions. The zeta potential of unloaded and drug-loaded nanoemulsions carried negative charge. The NOB-NE after diluted by 5% glucose solution was stable in 8 h, and there was no significant difference in the size, content and diluted stability of its preconcentrate in long-term storage. The concentration of nobiletin in plasma and tissues was determined by HPLC after intravenous administration of NOB-NE. Based on AUC(0-t), MRT and C(max), the nanoemulsions delivered more nobiletin into the brain and kidney compared to those of nobiletin solution. The brain and kidney targeting efficiency was improved. In addition, the results fitting using SAAM II software show that the higher drug concentration of the NOB-NE in the brain might be owed to the quicker transport rate from the blood to the brain, and that in the kidney relate to the probable accumulation effect. These results indicate that the in vivo distribution of NOB-NE with consistent quality in mice could be changed and its brain and kidney targeting absorption capability was enhanced comparing with nobiletin solution.

[Characteristics of nobiletin-loaded nanoemulsion and its in vivo distribution in mice] Publishing Authors By Initials

J Yao,JP Zhou,QN Ping,

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[Characteristics of nobiletin-loaded nanoemulsion and its in vivo distribution in mice] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Yao xue xue bao = Acta pharmaceutica Sinica

VOLUME: 42

Page Numbers: 663-8

Journal Abbreviation: Yao Xue Xue Bao

ISSN: 0513-4870

DAY: 17

MONTH: Jun

YEAR: 2007

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LANGUAGE: chi

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AFFILIATION: Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China.

Country: China

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MEDLINETA: Yao Xue Xue Bao

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