Formulation and Pharmacokinetic Evaluation of Tetracycline-Loaded Solid Lipid Nanoparticles for Subcutaneous Injection in Mice
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- Xu Xi-ming
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University
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- Wang Yan-song
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University
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- Chen Rong-ying
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University
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- Feng Chun-lai
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University
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- Yao Feng
- Department of Surgery, Harvard Medical School, Brigham and Women's Hospital
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- Tong Shan-shan
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University
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- Wang Li
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University
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- Yamashita Fumiyoshi
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University
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- Yu Jiang-nan
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University
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The aim of this work was to prepare tetracycline-loaded solid lipid nanoparticles (Tet-SLN), and to evaluate the potential of these colloidal carriers for subcutaneous injection. Tet-SLN was prepared by microemulsion method and the preparation conditions were optimized by ternary phase diagram. At optimized process conditions, lyophilized Tet-SLN showed spherical particles with a mean diameter of 87.2±46.9 nm and a negative zeta potential of −6.69 mV, up to 1.7% tetracycline drug content was achieved after loading. In vitro release test showed a biphasic release profile for Tet-SLN and more than 80% of the drug was liberated from Tet-SLN in 48 h. After subcutaneous injection of Tet-SLN to mice, a considerable sustained release was observed; tetracycline in blood could be detected lasting 36 h, and lower concentrations of tetracycline in all tissues tested compared to the free tetracycline solution were observed. In conclusion, Tet-SLN can be prepared well by microemulsion method and subcutaneous injection of SLN provide a new perspective for drug sustained release.
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 59 (2), 260-265, 2011
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390282679149811968
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- NII論文ID
- 130000405525
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- NII書誌ID
- AA00602100
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- ISSN
- 13475223
- 00092363
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- NDL書誌ID
- 10951928
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 使用不可