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Research Journal of Science and Technology
Year : 2020, Volume : 12, Issue : 1
First page : ( 57) Last page : ( 64)
Print ISSN : 0975-4393. Online ISSN : 2349-2988.
Article DOI : 10.5958/2349-2988.2020.00007.8

Development of Mupirocin-Tinidazole solid-Lipid Nanoparticles Loaded Topical Gel for the Management of Bacterial Wound Infections

Veintramuthusankar*, Udayakumar

PSG College of Pharmacy, Department of Pharmaceutics, Coimbatore, Tamilnadu

*Corresponding Author E-mail: sansuv@yahoo.co.in


Solid lipid nanoparticles (SLNs) are novel drug carrier system which consists of a solid matrix composed of a lipid being solid at both room and body temperatures with a mean Particle Size (PS) between 50 and 1000 nm Mupirocin-Tinidazole solid-lipid nanoparticles were prepared using hot homogenization technique using Glyceryl monosterate, Stearic acid, Tween 80 and Poloxamer 188 using hot homogenization technique. Size of the nanoparticles was in the range of 83 to 211 nm with the zeta potential values between-2.1 to-5.2. Atomic Force Microscopy (AFM) confirms the spherical shape of solid lipid nanoparticles. Entrapment efficiency was best in the F1 formulation. In vitro release of the pure drug was found to be 75% of mupirocin and 66.5% of tinidazole at the end of 1 hr. Drug release from SLNs dispersion followed korsermeyrs peppas-model, indicating fickian diffusion drug release, while that from the gel followed non fickian model drug release. Antibacterial activity of the SLNs was less but the SLNs based gel shows no significant difference in activity to that of standard drug gentamycin against aerobic bacteria. The SLNs dispersion exhibited physicochemical stability under refrigeration up to 45 days without significant difference in particle size. Best formulation was developed into a topical gel using sodium alginate and it was evaluated for pH, viscosity, spreadbility, extrudability, bloom strength, Minimum Inhibitory Concentration (MIC) and Methicillin resistant staphylococcus aureus(MRSA). Extrudability and spreadability parameters of the gel are similar to that of marketed Mupirocin 2% cream formulation



Mupirocin, Tinidazole, Solid-lipid nanoparticles, Antibacterial activity and Texture analyser.


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