ACTA CHROMATOGRAPHICA, NO. 19, 2007

     CONTENTS

     REVIEW

• Analysis of counterfeit drugs by thin layer chromatography
        J. Sherma (ACROBAT - 795kB)

     ORIGINAL RESEARCH PAPERS
          PRESENTED AT THE 5^TH INTERNATIONAL SYMPOSIUM ON CHROMATOGRAPHY
          OF NATURAL PRODUCTS ISCNP 2006, LUBLIN (POLAND), JUNE 19^TH-22^ND, 2006

• The stilbene and catechin content of the spring sprouts of Reynoutria species
        N. Vrchotová, B. Šerá, and J. Tříska (ACROBAT - 304kB)

     ORIGINAL RESEARCH PAPERS

• Global optimization using Derringer’s desirability function: enantioselective determination of ketoprofen in formulations and in biological matrices
        T. Sivakumar, R. Manavalan, and K. Valliappan (ACROBAT - 626kB)

• Effect of chromatographic conditions on separation and system efficiency for HPLC of selected alkaloids on amide C₁₆ stationary phases
        A. Petruczynik (ACROBAT - 823kB)

• HPLC analysis of microsomal metabolism of K-48
        B. Benkő, R. Laufer, and R. Ohmacht (ACROBAT - 277kB)

• Use of an amphiphilic calix[4]arene with sulfonate functionality at the lower rim as a buffer additive in capillary electrophoresis
        M. Mori, A. Hirayama, H. Tsue, and S. Tanaka (ACROBAT - 245kB)

• Quantitative analysis of eight cephalosporin antibiotics in pharmaceutical products and urine by capillary zone electrophoresis
        A. R. Solangi, S. Q. Memon, M. Y. Khuhawar, and M. I. Bhanger (ACROBAT - 770kB)

• Multi-response optimization of a capillary electrophoretic method for determination of vardenafil in the bulk drug and in a tablet formulation
        A. M. Idris and A. O. Alnajjar (ACROBAT - 313kB)

• Simultaneous HPLC determination of isoniazid and acetylisoniazid in plasma
        R. Milán-Segovia, G. Pérez-Flores, J. D. Torres-Tirado, X. Hermosillo-Ramírez, M. Vigna-Pérez, and S. Romano-Moreno (ACROBAT - 756kB)

• Simple and sensitive LC–UV method for simultaneous analysis of hydrochlorothiazide and candesartan cilexetil in pharmaceutical formulations
        S. S. Qutab, S. N. Razzaq, M. Ashfaq, Z. A. Shuja, and I. U. Khan (ACROBAT - 308kB)

• A validated HPLC method for estimation of metoprolol in human plasma
        M. Aqil, A. Ali, A. Ahad, Y. Sultana, A. K. Najmi, and N. Saha (ACROBAT - 493kB)

• Development and validation of a method for simultaneous densitometric estimation of atorvastatin calcium and ezetimibe as the bulk drug and in tablet dosage forms
        S. S. Dhaneshwar, S. R. Dhaneshwar, P. Deshpande, and M. Patil (ACROBAT - 219kB)

• Development and validation of a stability-indicating RP-HPLC method for analysis of doxofylline in human serum. Application of the method to a pharmacokinetic study
        R. Gannu, S. Bandari, S. G. Sudke, Y. M. Rao, and B. P. Shankar (ACROBAT - 318kB)

• Simultaneous determination of loratadine and preservatives in syrups by thin-layer chromatography
        G. Popović, M. Čakar, and D. Agbaba (ACROBAT - 306kB)

• High-performance thin-layer chromatographic method for determination of erdosteine in pharmaceutical dosage forms
        D. V. Mhaske and S. R. Dhaneshwar (ACROBAT - 333kB)

• Cetylpyridinium chloride micelle-mediated mutual separation of zinc, cadmium, and mercury ions by thin-layer chromatography
        A. Mohammad, V. Agrawal, and H. Shahab (ACROBAT - 481kB)

• Development and validation of an HPTLC method for determination of minocycline in human plasma
        G. K. Jain, N. Jain, Z. Iqbal, S. Talegaonkar, F. J. Ahmad, and R. K. Khar (ACROBAT - 309kB)

• Separation of sulfur-containing fatty acids from garlic, Allium sativum, using serially coupled capillary columns with consecutive nonpolar, semipolar, and polar stationary phases
        V. M. Dembitsky, S. Abu-Lafi, and L. O. Hanuš (ACROBAT - 304kB)

• Simultaneous HPLC–DAD analysis of four methylated flavonols in Amomum koenigii
        C. F. Qiao, Q. B. Han, J. Z. Song, H. Yiu, and H. X. Xu (ACROBAT - 387kB)

• Effect of sample-preparation methods on the HPLC quantitation of some phenolic acids in plant materials
        M. Waksmundzka-Hajnos, A. Oniszczuk, K. Szewczyk, and D. Wianowska (ACROBAT - 229kB)

• Acer tataricum L. seeds – a new convenient source of gamma-linolenic acid
        M.-V. Codreanu, V. Istudor, and N. Dociu (ACROBAT - 331kB)

• High-performance liquid chromatographic determination of bergenin in different Bergenia species
        D. P. Singh, S. K. Srivastava, R. Govindarajan, and A. K. S. Rawat (ACROBAT - 229kB)

• Quantitative HPLC analysis of flavonoids and chlorogenic acid in the leaves and inflorescences of Prunus serotina Ehrh
        M. Olszewska (ACROBAT - 580kB)

     SHORT COMMUNICATIONS

• Simultaneous analysis of losartan potassium, atenolol, and hydrochlorothiazide in bulk and in tablets by high-performance thin-layer chromatography with UV absorption densitometry
        S. R. Sathe and S. B. Bari (ACROBAT - 248kB)

• GC–MS analysis of biologically active compounds in cosmopolitan grasses
        J. Kałużna-Czaplińska (ACROBAT - 247kB)

     NOTE TO AUTHORS