title: Validated spectrofluorometric method for determination of gemfibrozil in self nanoemulsifying drug delivery systems (SNEDDS).
abstract: A spectrofluorometric method has been developed and validated for the determination of gemfibrozil. The method is based on the excitation and emission capacities of gemfibrozil with excitation and emission wavelengths of 276 and 304 nm respectively. This method allows de determination of the drug in a self-nanoemulsifying drug delivery system (SNEDDS) for improve its intestinal absorption. Results obtained showed linear relationships with good correlation coefficients (r(2)>0.999) and low limits of detection and quantification (LOD of 0.075 μg mL(-1) and LOQ of 0.226 μg mL(-1)) in the range of 0.2-5 μg mL(-1), equally this method showed a good robustness and stability. Thus the amounts of gemfibrozil released from SNEDDS contained in gastro resistant hard gelatine capsules were analysed, and release studies could be performed satisfactorily.
authors.affiliation: Pharmacy and Pharmaceutical Technology Department, Faculty of Pharmacy, University of Barcelona, Joan XXIII Avenue, 08028 Barcelona, Spain.
authors.forename: Ana M
authors.initials: AM
authors.lastname: Sierra Villar
authors.forename: Ana C
authors.initials: AC
authors.lastname: Calpena Campmany
authors.forename: Lyda Halbaut
authors.initials: LH
authors.lastname: Bellowa
authors.forename: Monserrat Aróztegui
authors.initials: MA
authors.lastname: Trenchs
authors.forename: Beatriz Clares
authors.initials: BC
authors.lastname: Naveros
mesh_terms: D002138:Calibration; D016503:Drug Delivery Systems; D004655:Emulsions / Q000737:chemistry*; D015248:Gemfibrozil / Q000032:analysis* / Q000737:chemistry*; D053758:Nanoparticles / Q000737:chemistry*; D012996:Solutions; D013050:Spectrometry, Fluorescence / Q000379:methods*
chemical_list: D004655:Emulsions; D012996:Solutions; D015248:Gemfibrozil
keywords: Fluorescence; Gemfibrozil; SNEDDS; Self-nanoemulsifying drug delivery systems; Spectrofluorometry