SIMULTANEOUS DETERMINATION OF CARBIDOPA AND LEVODOPA USING A NEW TLC METHOD AND A FREE RADICAL AS DETECTION REAGENT

REFERENCES

• Tolokán , A. ; Klebovich , I. ; Balogh-Nemes , K. ; Horvai , G. Automated Determination of Levodopa and Carbidopa in Plasma by High-Performance Liquid Chromatography-Electrochemical Detection Using an On-Line Flow Injection Analysis Sample Pretreatment Unit . J. Chromatogr. B 1997 , 698 , 201 – 207 .
   PubMed Web of Science ®Google Scholar
• Zhang , L. ; Chen , G. ; Hu , Q. ; Fang , Y. Separation and Determination of Levodopa and Carbidopa in Composite Tablets by Capillary Zone Electrophoresis with Amperometric Detection . Anal. Chim. Acta 2001 , 431 , 287 – 292 .
   Web of Science ®Google Scholar
• Reynolds , E. F. Martindale - The Extra Pharmacopaeia, , 28th Ed. ; Pharmaceutical Press : London , 1982 .
   Google Scholar
• Nagaraja , P. ; Murthy , K. C. S. ; Rangappa , K. S. ; Gowda , N. M. M. Spectrophotometric Methods for the Determination of Certain Catecholamine Derivatives in Pharmaceutical Preparations . Talanta 1998 , 46 , 39 – 44 .
   PubMed Web of Science ®Google Scholar
• Coello , J. ; Maspoch , S. ; Villegas , N. Simultaneous Kinetic-Spectrophotometric Determination of Levodopa and Benserazide by Bi-and Three-Way Partial Least Squares Calibration . Talanta 2000 , 53 , 627 – 637 .
   PubMed Web of Science ®Google Scholar
• Nagaraja , P. ; Vasantha , R. A. ; Sunitha , K. R. A New Sensitive and Selective Spectrophotometric Method for the Determination of Catechol Derivatives and Its Pharmaceutical Preparations . J. Pharm. Biomed. Anal. 2001 , 25 , 417 – 424 .
   PubMed Web of Science ®Google Scholar
• Doshi , P. S. ; Edwards , D. J. Effects of l-dopa on Dopamine and Norepinephrine Concentrations in Rat Brain Assessed by Gas Chromatography . J. Chromatogr. A 1981 , 210 , 505 – 511 .
   Web of Science ®Google Scholar
• Cannazza , G. ; Di Stefano , A. ; Mosciatti , B. ; Braghiroli , D. ; Baraldi , M. ; Pinnen , F. ; Sozio , P. ; Benatti , C. ; Parenti , C. Detection of Levodopa, Dopamine and Its Metabolites in Rat Striatum Dialysates Following Peripheral Administration of l-DOPA Prodrugs by Mean of HPLC–EC. J. Pharm. Biomed. Anal. 2005, 36, 1079–1084.
   PubMed Web of Science ®Google Scholar
• Deftereos , N. T. ; Calokerinos , A. C. ; Efstathiou , C. E. Flow Injection Chemiluminometric Determination of Epinephrine, Norepinephrine, Dopamine and L-dopa . Analyst 1993 , 118 , 627 – 632 .
   PubMed Web of Science ®Google Scholar
• Garrido , E. M. ; Lima , J. L. ; Delerue-Matos , C. Flow Injection Amperometric Determination of l-dopa, Epinephrine or Dopamine in Pharmaceutical Preparations . J. Pharm. Biomed. Anal. 1997 , 15 , 845 – 849 .
   PubMed Web of Science ®Google Scholar
• Teixeira , M. F. S. ; Bergamini , M. F. ; Marques , C. M. P. ; Bocchi , N. Voltammetric Determination of L-dopa Using an Electrode Modified with Trinuclear Ruthenium Ammine Complex (Ru-red) Supported on Y-type Zeolite . Talanta 2004 , 63 , 1083 – 1088 .
   PubMed Web of Science ®Google Scholar
• Bergamini , M. F. ; Santos , A. L. ; Stradiotto , N. R. ; Zanoni , M. V. B. A Disposable Electrochemical Sensor for the Rapid Determination of Levodopa . J. Pharm. Biomed. Anal. 2005 , 39 , 54 – 59 .
   PubMed Web of Science ®Google Scholar
• Badawy , S. S. ; Issa , Y. M. ; Tag-Eldin , A. S. Potentiometric Determination of L-dopa, Carbidopa, Methyldopa and Aspartame Using a New Trinitrobenzenesulfonate Selective Electrode . Electroanalysis 1996 , 8 , 1060 – 1064 .
   Web of Science ®Google Scholar
• Waugh , C. J. ; Gow , I. F. ; Edwards , C. R. W. ; Williams , B. C. Application of a Novel Radioimmunoassay for Serotonin in the Detection of Aromatic L-Amino-Acid Decarboxylase Activity in Isolated Renal Cortical-Cells . Biochem. Soc. Transact. 1989 , 17 , 163 – 164 .
   Web of Science ®Google Scholar
• Fatibello-Filho , O. ; Da Cruz Vieira , L. Flow Injection Spectrophotometric Determination of L-dopa and Carbidopa in Pharmaceutical Formulations Using a Crudee of Sweet Potato Root [Ipomoea batatas (L.) Lam.] as Enzymatic Source . Analyst 1997 , 122 , 345 – 350 .
   PubMed Web of Science ®Google Scholar
• Marcolino-Júnior , L. H. ; Teixeira , M. F. S. ; Pereira , A. V. ; Fatibello-Filho , O. Flow Injection Determination of Levodopa in Tablets Using a Solid-Phase Reactor Containing Lead(IV) Dioxide Immobilized . J. Pharm. Biomed. Anal. 2001 , 25 , 393 – 398 .
   PubMed Web of Science ®Google Scholar
• Pistonesi , M. ; Centurión , M. E. ; Band , B. S. F. ; Damiani , P. C. ; Olivieri , A. C. Simultaneous Determination of Levodopa and Benserazide by Stopped-Flow Injection Analysis and Three-Way Multivariate Calibration of Kinetic-Spectrophotometric Data . J. Pharm. Biomed. Anal. 2004 , 36 , 541 – 547 .
   PubMed Web of Science ®Google Scholar
• Kafil , J. B. ; Dhingra , B. S. Stability-Indicating Method for the Determination of Levodopa, Levodopa-Carbidopa and Related Impurities . J. Chromatogr. A 1994 , 667 , 175 – 181 .
   Web of Science ®Google Scholar
• Sagar , K. A. ; Smyth , M. R. Simultaneous Determination of Levodopa, Carbidopa and Their Metabolites in Human Plasma and Urine Samples Using LC-EC . J. Pharm. Biomed. Anal. 2000 , 22 , 613 – 624 .
   PubMed Web of Science ®Google Scholar
• Talebpour , Z. ; Haghgoo , S. ; Shamsipur , M. 1H Nuclear Magnetic Resonance Spectroscopy Analysis for Simultaneous Determination of Levodopa, Carbidopa and Methyldopa in Human Serum and Pharmaceutical Formulations . Anal. Chim. Acta 2004 , 506 , 97 – 104 .
   Web of Science ®Google Scholar
• Grünhut , M. ; Centurión , M. E. ; Band , B. F. PLS Regression in the Spectrophotometric Data for the Simultaneous Determination of Levodopa and Carbidopa in Pharmaceutical Preparations by Using an Enzymatic Stopped-Flow FIA Technique . Anal. Lett. 2007 , 40 , 2016 – 2031 .
   Web of Science ®Google Scholar
• Fanali , S. ; Pucci , V. ; Sabbioni , C. ; Raggi , M. A. Quality Control of Benserazide-Levodopa and Carbidopa-Levodopa Tablets by Capillary Zone Electrophoresis . Electrophoresis 2000 , 21 , 2432 – 2437 .
   PubMed Web of Science ®Google Scholar
• Soponar , F. ; Moţ , A. C. ; Sârbu , C. Quantitative Determination of Some Food Dyes Using Digital Processing of Images Obtained by Thin-Layer Chromatography . J. Chromatogr. A 2008 , 1188 , 295 – 300 .
   PubMed Web of Science ®Google Scholar
• Soponar , F. ; Moţ , A. C. ; Sârbu , C. Quantitative Evaluation of Paracetamol and Caffeine from Pharmaceutical Preparations Using Image Analysis and RP-TLC . Chromatographia 2009 , 69 , 151 – 155 .
   Web of Science ®Google Scholar
• Soponar , F. ; Moţ , A. C. ; Sârbu , C. High-Performance Thin-Layer Chromatography and Three-Dimensional Image Analysis for the Determination of Rutin in Pharmaceutical Preparations . J. AOAC Int. 2010 , 93 , 804 – 810 .
   PubMed Web of Science ®Google Scholar
• Casoni , D. ; Tuhuţiu , I. A. ; Sârbu , C. Simultaneous Determination of Parabens in Pharmaceutical Preparations Using High-Performance Thin-Layer Chromatography and Image Analysis . J. Liq. Chromatogr. Relat. Technol. 2011 , 34 , 805 – 816 .
   Web of Science ®Google Scholar
• Olech , M. ; Komsta , Ł. ; Nowak , R. ; Cieśla , Ł. ; Waksmundzka-Hajnos , M. Approach to Develop a Standardized TLC-DPPH Test for Assessing Free Radical Scavenging Properties of Selected Phenolic Compounds . Food Chem. 2012 , 132 , 549 – 553 .
   PubMed Web of Science ®Google Scholar