Mini Review: Determination of Sildenafil Citrate in Pharmaceutical Prepaprations

REFERENCES

• Abdel-Hamid , M. E. 2006 . Determination of Sildenafil, Tadalafil and Varendfil in tablets and adulterated herbal products by ESI-MS-MS . J. Liq. Chromat. Rel. Technol. 29 : 591 – 603 .
   Web of Science ®Google Scholar
• Aboul-Enein , H. Y. , and M. M. Hefnawy . 2003 . Rapid determination of sildenafil citrate in pharmaceutical preparations using monolithic silica HPLC column . J. Liq. Chromat. Rel. Technol. 26 : 2897 – 2908 .
   Web of Science ®Google Scholar
• Al-Ghazawi , M. , M. Tutunji , and S. Aburuz . 2007 . Simultaneous determination of sildenafil and N-desmethyl sildenafil in human plasma by high-performance liquid chromatography method using electrochemical detection with application to a pharmacokinetic study . J. Pharm. Biomed. Anal. 43 : 613 – 618 .
   PubMed Web of Science ®Google Scholar
• Altıokka , G. , Z. Atkosar , E. Sener , and M. Tunçel . 2001 . FIA of sildenafil citrate using UV-detection . J. Pharm. Biomed. Anal. 25 : 339 – 342 .
   PubMed Web of Science ®Google Scholar
• Amin , A. S. , and A. M. El-Beshbeshy . 2001 . Utility of certain σ and π-acceptors for the spectrophotometric determination of sildenafil citrate (Viagra) . Microchim. Acta 137 : 63 – 69 .
   Web of Science ®Google Scholar
• Baranowska , I. , M. Koper , and P. Markowski . 2008 . Electrochemical determination of carvedilo, sildenafil and paracetamol using glassy carbon electrode . Chem. Anal. 53 : 967 – 981 .
   Google Scholar
• Berzas , J. J. , J. Rodriguez , G. Castañeda , and M. J. Villaseñor . 2000 . Voltammetric behavior of sildenafil citrate (Viagra) using square wave and adsorptive stripping square wave techniques: Determination in pharmaceutical products . Anal. Chim. Acta 417 : 143 – 148 .
   Web of Science ®Google Scholar
• Berzas , J. J. , J. Rodríguez , M. J. Villaseñor , A. M. Contento , and M. P. Cabello . 2002 . Validation of a capillary gas chromatographic method for the determination of sildenafil citrate in its pharmaceutical formulations (Viagra). Experimental design for evaluating the ruggedness of the method . Chromatographia 55 : 606 – 616 .
   Web of Science ®Google Scholar
• De Orsi , D. , M. Pellegrini , E. Marchei , P. Nebuloni , B. Gallinella , Scaravelli , A. Martufi , L. Gagliardi , and S. Pichini . 2009 . High performance liquid chromatography-diode array and electrospray-mass spectrometry analysis of vardenafil, sildenafil, tadalafil, testosterone and local anesthetics in cosmetic creams sold on the Internet web sites . J. Pharm. Biomed. Anal. 50 : 362 – 369 .
   PubMed Web of Science ®Google Scholar
• de Veij , M. , A. Deneckere , P. Vandenabeele , D. de Kaste , and L. Moens . 2008 . Detection of counterfeit Viagra® with Raman spectroscopy . J. Pharm. Biomed. Anal. 46 : 303 – 309 .
   PubMed Web of Science ®Google Scholar
• Dinesh , N. , P. Nagaraja , N. M. M. Gowda , and K. S. Rangappa . 2002 . Extractive spectrophotometric methods for the assay of sildenafil citrate (Viagra) in pure form and in pharmaceutical formulations . Talanta 57 : 757 – 764 .
   PubMed Web of Science ®Google Scholar
• Dinesh , N. D. , B. K. Vishukumar , P. Nagaraja , N. M. M. Gowda , and K. S. Rangappa . 2002 . Stability indicating RP-LC determination of sildenafil citrate (Viagra) in pure form and in pharmaceutical samples . J. Pharm. Biomed. Anal. 29 : 743 – 748 .
   PubMed Web of Science ®Google Scholar
• Flores , J. R. , J. J. Berzas Nevado , G. Castañeda Peñalvo , and N. M. Diez . 2004 . Development of a micellar electrokinetic capillary chromatography method for the determination of three drugs employed in the erectile dysfunction therapy . J. Chromatogr. B. 811 : 231 – 236 .
   PubMed Web of Science ®Google Scholar
• Hassan , S. S. M. , E. M. Elnemma , W. H. Mahmoud , and A. H. K. Mohammed . 2006 . Continuous potentiometric monitoring of viagra (sildenafil) in pharmaceutical preparations using novel membrane sensors . J. Appl. Electrochem. 36 : 139 – 146 .
   Web of Science ®Google Scholar
• Issa , Y. M. , W. F. El-Hawary , A. F. A. Youssef , and A. R. Senosy . 2010 . Spectrophotometric determination of sildenafil citrate in pure form and in pharmaceutical formulation using some chromotropic acid azo dyes . Spectrochim. Acta. 75 : 1297 – 1303 .
   PubMed Web of Science ®Google Scholar
• Kostarnoi , A. V. , G. B. Golubitskii , E. M. Basova , E. V. Budko , and V. M. Ivanov . 2008. High-performance liquid chromatography in the analysis of multicomponent pharmaceutical preparations. J. Anal. Chem. 63: 516–529.
   Web of Science ®Google Scholar
• Maurin , J. K. , F. Pluciński , A. P. Mazurek , and Z. Fijałek . 2007 . The usefulness of simple X-ray powder diffraction analysis for counterfeit control-The Viagra® example . J. Pharm. Biomed. Anal. 43 : 1514 – 1518 .
   PubMed Web of Science ®Google Scholar
• McCullough , A. R. 2002 . Four-year review of sildenafil citrate . Rev. Urol. 4 : 26 – 38 .
   PubMedGoogle Scholar
• Othman , A. M. , N. M. H. Rizk , and M. S. El-Shahawi . 2004 . Polymer membrane sensors for sildenafil citrate (Viagra) determination in pharmaceutical preparations . Anal. Chim. Acta 515 : 303 – 309 .
   Web of Science ®Google Scholar
• Özkan , S. A. , B. Uslu , and P. Zuman . 2004 . Electrochemical oxidation of sildenafil citrate (Viagra) on carbon electrodes . Anal. Chim. Acta 501 : 227 – 233 .
   Web of Science ®Google Scholar
• Segall , A. I. , M. F. Vitale , V. L. Perez , M. L. Palacios , and M. T. Pizzorno . 2000 . Reversed-phase HPLC determination of Sildenafil citrate in the presence of its oxidative-induced degradation production . J. Liq. Chromatogr. Rel. Technol. 23 : 1377 – 1386 .
   Web of Science ®Google Scholar
• Stefan-van Staden , R.-I. , J. F. van Staden , and H. Y. Aboul-Enein . 2010 . Diamond paste-based electrodes for the determination of sildenafil citrate (Viagra) . J. Solid State Electrochem. 14 : 997 – 1000 .
   Web of Science ®Google Scholar
• Strano-Rossi , S. , L. Anzillotti , X. de La Torre , and F. Botre . 2010 . A gas chromatography/mass spectrometry method for the determination of sildenafil, vardenafil and tadalafil and their metabolites in human urine . Rapid Commun. Mass Spectro. 24 : 1697 – 1706 .
   PubMed Web of Science ®Google Scholar
• Terrett , N. K. , A. S. Bell , D. Brown , and P. Ellis . 1996 . Sildenafil (VIAGRATM), a potent and selective inhibitor of type 5 cGMP phosphodiesterase with utility for the treatment of male erectile dysfunction . Bioorg. Med. Chem. Lett. 6 : 1819 – 1824 .
   Web of Science ®Google Scholar
• Vredenbregt , M. J. , L. Blok-Tip , R. Hoogerbrugge , D. M. Barends , and D. de Kaste . 2006 . Screening suspected counterfeit Viagra® and imitations of Viagra® with near-infrared spectroscopy . J. Pharm. Biomed. Anal. 40 : 840 – 849 .
   PubMed Web of Science ®Google Scholar
• Wang , C. C. , R. A. Silva , A. N. Masi , and L. Fernandez . 2010 . Sensitive sepectroflurimetric determination of sildenafil . Anal. Meth. 2 : 519 – 524 .
   Web of Science ®Google Scholar
• Wawer , I. , M. Pisklak , and Z. Chilmonczyk . 2005 . 1H, 13C, 15 N NMR analysis of sildenafil base and citrate (Viagra) in solution, solid state and pharmaceutical dosage forms . J. Pharm. Biomed. Anal. 38 : 865 – 870 .
   PubMed Web of Science ®Google Scholar
• Witjies , B. C. , J. M. Ahsman , B. C. van der Nagel , D. Tobboel , and R. A. Mathot . 2010 . Simultaneous assay of sildenafil and desmethylsildenafil in neonatal plasma by ultra-performance liquid chromatography-tandem mass spectrometry . Biomed. Chromat. 24 : 180 – 185 .
   PubMed Web of Science ®Google Scholar
• Yang , Y. J. , D. M. Song , W. M. Jiang , and B. R. Xiang . 2010 . Rapid resolution RP-HPLC-DAD method for simultaneous determination of sildenafil, vardenafil, and tadalafil in pharmaceutical preparations and counterfeit drugs . Anal. Lett. 43 : 373 – 380 .
   Web of Science ®Google Scholar
• Yathirajan , H. S. , B. Nagaraj , P. Nagaraja , and M. Bolte . 2007 . Sildenafil citrate monohydrate . Acta Crystallograph. Sect. E 61 : 489 – 491 .
   Web of Science ®Google Scholar