Abstract
In the present study an attempt has been made to load Poly (Lactic-Co-glycolic acid) microspheres with hydroxyapatite (HA) and ofloxacin and propose the composite microspheres to be used as local drug delivery system with the drug releasing capability for periodontitis treatment. A modified single emulsion method has been used for the preparation of microspheres. Experiments were conducted to optimize the formulation by RSM-Box-Behnken Method, which is an independent quadratic design involving three or four independent variables against a pre determined set of dependant parameters. The particle size of composite microspheres was analyzed and the average size was found to be 22.05 μm. Photomicrographs and scanning electron micrographs showed that the composite microspheres are spherical in shape and porous in nature. The microbiological activity of optimized formulation was evaluated using strain: S. aureus-ATCC- 29213 and E. coli–ATCC-25922. In vivo/in situ toxicity evaluation of the formulation was assessed by MTT assay and the formulation was found to be biocompatible.
Keywords: Drug release, poly (Lactic-Co-glycolic acid), hydroxyapatite, microsphere, cytotoxicity, antibacterial, biocompatible, liquid chromatography (HPLC).
Current Drug Delivery
Title:Formulation, Antimicrobial and Toxicity Evaluation of Bioceramic based Ofloxacin Loaded Biodegradable Microspheres for Periodontal Infection
Volume: 9 Issue: 5
Author(s): Tariq Jamal, Md. Akhlaquer Rahman, Mohd. Aamir Mirza, A. K. Panda, Sushama Talegaonkar and Zeenat Iqbal
Affiliation:
Keywords: Drug release, poly (Lactic-Co-glycolic acid), hydroxyapatite, microsphere, cytotoxicity, antibacterial, biocompatible, liquid chromatography (HPLC).
Abstract: In the present study an attempt has been made to load Poly (Lactic-Co-glycolic acid) microspheres with hydroxyapatite (HA) and ofloxacin and propose the composite microspheres to be used as local drug delivery system with the drug releasing capability for periodontitis treatment. A modified single emulsion method has been used for the preparation of microspheres. Experiments were conducted to optimize the formulation by RSM-Box-Behnken Method, which is an independent quadratic design involving three or four independent variables against a pre determined set of dependant parameters. The particle size of composite microspheres was analyzed and the average size was found to be 22.05 μm. Photomicrographs and scanning electron micrographs showed that the composite microspheres are spherical in shape and porous in nature. The microbiological activity of optimized formulation was evaluated using strain: S. aureus-ATCC- 29213 and E. coli–ATCC-25922. In vivo/in situ toxicity evaluation of the formulation was assessed by MTT assay and the formulation was found to be biocompatible.
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Cite this article as:
Jamal Tariq, Akhlaquer Rahman Md., Aamir Mirza Mohd., K. Panda A., Talegaonkar Sushama and Iqbal Zeenat, Formulation, Antimicrobial and Toxicity Evaluation of Bioceramic based Ofloxacin Loaded Biodegradable Microspheres for Periodontal Infection, Current Drug Delivery 2012; 9 (5) . https://dx.doi.org/10.2174/156720112802650644
DOI https://dx.doi.org/10.2174/156720112802650644 |
Print ISSN 1567-2018 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5704 |
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