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Preparation and Evaluation of Chitosan Loaded Naproxen Nanoparticles by Emulsion Interfacial Reaction Method

[ Vol. 9 , Issue. 2 ]

Author(s):

Abbaraju Krishna Sailaja* and Juveria Banu   Pages 89 - 96 ( 8 )

Abstract:


Aim: The aim of this investigation was to develop and characterize naproxen loaded chitosan nanoparticles by emulsion interfacial reaction method.

Methodology: For emulsion interfacial reaction method chitosan was used as a polymer. In this method, eight formulations were prepared by varying drug to polymer concentration.

Discussion: Out of eight formulations prepared using emulsion interfacial reaction method EI8 formulation was found to be the best formulation. The drug content was observed as 94.4%, entrapment efficiency and loading capacity were found to be 87.5% and 75%, respectively. The mean particle diameter was measured as 324.6nm and the Zeta potential value was found to be -42.4mv. In vitro drug release data showed 97.2% of drug release rate sustained up to 12hrs.

Conclusion: The results clearly reveal that EI8 formulation having the highest amount of drug was considered as the best formulation because of its small mean particle diameter, good entrapment efficiency, and stability.

Keywords:

Zeta potential, mean particle diameter, drug content, entrapment efficiency, chitosn, emulsion interfacial reaction method, loading capacity, drug release studies.

Affiliation:

Department of Pharmaceutics, RBVRR Women's College of Pharmacy Affiliated to Osmania University, Hyderabad, Department of Pharmaceutics, RBVRR Women's College of Pharmacy Affiliated to Osmania University, Hyderabad

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