Formulation development and characterization of cefazolin nanoparticles-loaded cross-linked films of sodium alginate and pectin as wound dressings.

07:00 EST 15th November 2018 | BioPortfolio

Summary of "Formulation development and characterization of cefazolin nanoparticles-loaded cross-linked films of sodium alginate and pectin as wound dressings."

The present study focuses on the preparation of nanoparticles-loaded ionic cross-linked films for the topical delivery of cefazolin. The aim of the study was to prepare a dosage form which can provide local effect of cefazolin along with sustained delivery at the site of application. Cefazolin was loaded into chitosan nanoparticles to mask the burst release of the drug and they were optimized based on particle size, PDI, % EE and zeta potential. Finally, the prepared nanoparticles were loaded into the films comprising of sodium alginate and pectin which were then subjected to cross-linking via calcium chloride to improve the mechanical strength of the hydrogel films upon exposure to wound fluid. The films were assessed for physical and mechanical properties, swelling behavior, water transmission rate, mucoadhesion, FTIR, DSC, percent inhibition assay and in vitro release profile. Optimized formulation with Cefazolin nanoparticles in the size range of 227 nm and 0.5% CL films showed significantly better results (p < 0.05) as compared to the films with increased cross-linker concentration. Therefore, 0.5% CL films were considered more suitable for the treatment of infections when applied as wound dressing.


Journal Details

This article was published in the following journal.

Name: International journal of biological macromolecules
ISSN: 1879-0003


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