VOL. 595, NOS. 1 +2 JOURNAL OF CHROMATOGRAPHY MARCH 20, 1992 CONTENTS ( Abstracts/Contents Lists published in Analytical Abstracts, Biochemical Abstracts, Biological Abstracts, Chemical Abstracts, Chemical Titles, Chromatography Abstracts, Current Contents/Life Sciences, Current Contents/Physical, Chemical & Earth Sciences, Deep-Sea Research/ Part B: Oceanographic Literature Review, Excerpta Medica, Index Medicus, Mass Spectrometry Bulletin, PASCAL-CRNS, Referativnyi Zhurnal, Research Alert and Science Citation Index ) REVIEW Polychlorinated biphenyls in the environment V. Lang (Brno, Czechoslovakia) REGULAR PAPERS Column Liquid Chromatography Solvatochromic hydrogen bond donor acidity of cyclodextrins and reversed-phase liquid chromatographic retention of small molecules on a f-cyclodextrin-bonded silica stationary phase by J. H. Park, M. D. Jang and M. J. Shin (Kyongsan, South Korea) (Received October 30th, 1991) Validation of chromatographic retention models in reversed-phase high-performance liquid chromatography by fitting experi- mental data to the relevant equations by N. Sadlej-Sosnowska and I. Sledzinska (Warsaw, Poland) (Received October 8th, 1991) Chromatographic resolution on methylbenzoylcellulose beads. Modulation of the chiral recognition by variation of the position of the methyl group on the aromatic ring by E. Francotte and R. M. Wolf (Basle, Switzerland) (Received December Sth, 1991) Preparation of nitrophenylethylsilylated silica gel and its chromatographic properties in the separation of polychlorinated di- benzo-p-dioxins by K. Kimata, K. Hosoya, N. Tanaka and T. Araki (Kyoto, Japan) and D. G. Patterson, Jr. (Atlanta, GA, USA) (Received November 25th, 1991) Evaluation of reversed-phase liquid chromatographic columns for recovery and selectivity of selected carotenoids by K. S. Epler and L. C. Sander (Gaithersburg, MD, USA), R. G. Ziegler (Bethesda, MD, USA) and S. A. Wise and N. E. Craft (Gaithersburg, MD, USA) (Received November 28th, 1991) Physical and biochemical characterization of five commercial resins for immunoaffinity purification of factor IX by J. Tharakan (Washington, DC, USA), F. Highsmith (College Park, MD, USA) and D. Clark and W. Drohan (Rock- ville, MD, USA) (Received November 19th, 1991) Immobilization of monoclonal antibodies for affinity chromatography using a chelating peptide by P. Loetscher, L. Mottlau and E. Hochuli (Basle, Switzerland) (Received November 26th, 1991) Stationary phase effect on enantioselectivity of dansyl phenylalanine in microcolumn liquid chromatography with y-cyclodextrin as mobile phase additive by T. Takeuchi (Nagoya, Japan) and N. Nagae (Seto, Japan) (Received November 21st, 1991) Reversed-phase chromatographic behaviour of B-endorphin: evidence of conformational change by L. S. Monger and C. J. Olliff (Brighton, UK) (Received October 29th, 1991) Comparison of colorimetric and chromatographic determination of tert.-butylpyrocatechol by E. Hlavatkova and R. Reya (Bratislava, Czechoslovakia) (Received November 12th, 1991) Fluorescence detection of trichothecene mycotoxins as coumarin-3-carbonyl chloride derivatives by high-performance liquid chromatography by H. Cohen and B. Boutin-Muma (Ottawa, Canada) (Received November 28th, 1991) Ion-exclusion chromatography using mobile phases containing f-cyclodextrin by B. K. Glod, P. R. Haddad and P. W. Alexander (Kensington, Australia) (Received November 20th, 1991) Quantitative analysis of total resin acids by high-performance liquid chromatography of their coumarin ester derivatives by D. E. Richardson (Boyer, Australia) and J. B. Bremner and B. V. O’Grady (Hobart, Australia) (Received December (Continued overleaf) Contents (continued ) High-performance liquid chromatography of histamine and |-methylhistamine with on-column fluorescence derivatization by K. Saito, M. Horie and N. Nose (Saitama, Japan), K. Nakagomi (Ibaragi, Japan) and H. Nakazawa (Tokyo, Japan) (Received November | Ith, 1991) Purity assay of sodium mercaptododecarborate by high-performance liquid chromatography by B. Griiner and Z. Pizak (Rez, Czechoslovakia) and I. Vins (Prague, Czechoslovakia) (Received November 25th, 1991) High-performance liquid chromatography of sulphonamides extracted from bovine and porcine muscle by solid-phase dispersion by L. V. Walker, J. R. Walsh and J. J. Webber (Hamilton, Australia) (Received December 16th, 1991) Aqueous high-performance size-exclusion chromatographic assay for high-molecular-weight impurities in ceftiofur sodium by M. J. Dunn and D. A. Hahn (Kalamazoo, MI, USA) (Received November 4th, 1991) Screening of organophosphorus pesticides using liquid chromatography—atmospheric pressure chemical ionization mass spec- trometry by S. Kawasaki and H. Ueda (Saga, Japan), H. Itoh (Tokyo, Japan) and J. Tadano (Saga, Japan) (Received October 28th, Stereochemical analysis of betamethasone and dexamethasone by derivatization and high-performance liquid chromatography by S.-H. Chen, S.-M. Wu and H.-L. Wu (Kaohsiung, Taiwan) (Received November 12th, 1991) Gas Chromatography Critical capillary column examination of the relationship between separation number and height equivalent to a theoretical plate and their dependence on temperature by L. A. Jones, J. J. Glennon and W. H. Reiss (Raleigh, NC, USA) (Received August 20th, 1991) Van Deemter-type relationship for determining the optimum initial flow-rate and optimum pressure programming rate in temper- ature/pressure-programmed capillary column gas chromatography utilizing separation numbers by L. A. Jones, W. H. Reiss, J. J. Glennon and T. M. Gerig (Raleigh, NC, USA) (Received August 20th, 1991) Activity coefficients in binary liquid mixtures measured by reversed-flow gas chromatography by A. Koliadima, G. Karaiskakis and N. A. Katsanos (Patras, Greece) and M. Roth (Brno, Czechoslovakia) (Received November 20th, 1991) Gas chromatographic analysis of high-molecular-weight polynuclear aromatic hydrocarbons. I. Molecular weight 328 by A. Bemgard, A. Colmsjé and B.-O. Lundmark (Solna, Sweden) (Received November 27th, 1991) Determination of a- and f-zearalenol and zearalenone in cereals by gas chromatography with ion-trap detection by K. Schwadorf and H.-M. Miller (Stuttgart, Germany) (Received September Sth, 1991) Analytical methods for monoterpene glycosides in grape and wine. II. Qualitative and quantitative determination of monoterpene glycosides in grape by S. G. Voirin, R. L. Baumes, J.-C. Sapis and C. L. Bayonove (Montpellier, France) (Received November Sth, 1991) Degradation of polysulphones by alkali fusion by J. K. Haken and M. Camamo (Kensington, Australia) (Received November 14th, 1991) Automated clean-up procedure for the gas chromatographic—high-resolution mass spectrometric determination of polychlorinat- ed dibenzo-p-dioxins and dibenzofurans in milk by J. A. van Rhijn, W. A. Traag, W. Kulik and L. G. M. Th. Tuinstra (Wageningen, Netherlands) (Received November 21st, 1991) Supercritical Fluid Chromatogaphy Quantitative hydrocarbon group analysis of gasoline and diesel fuel by supercritical fluid chromatography by P. E. Andersson, M. Demirbiiker and L. G. Blomberg (Stockholm, Sweden) (Received November 20th, 1991) Electrophoresis Peak dispersion and separation efficiency in high-performance zone electrophoresis with gel-filled capillaries by E. Kenndler and C. Schwer (Vienna, Austria) (Received November 13th, 1991) High-sensitivity laser-induced fluorescence detection of native proteins in capillary electrophoresis by T. T. Lee and E. S. Yeung (Ames, IA, USA) (Received December 3rd, 1991) Relationship between zone length and step height in isotachophoresis by M. T. Ackermans, F. M. Everaerts and J. L. Beckers (Eindhoven, Netherlands) (Received October 11th, 1991) SHORT COMMUNICATIONS Column Liquid Chromatography Chromatographic behaviour of dipyridylsulphides. Relationship between log k’ values and structure by reversed-phase high- performance liquid chromatography by J. KlimeS, V. KlimeSova and K. Waisser (Hradec Kralové, Czechoslovakia) (Received November 19th, 1991) . . . High-performance liquid chromatography of isopropylphenols by M. Petro, K. KriZanovié and K. Dulak (Bratislava, Czechoslovakia) (Received December 12th, 1991) Analyses of isomeric mono-O-methyl-D-glucoses, D-glucobioses and D-glucose monophosphates by high-performance anion- exchange chromatography with pulsed amperometric detection by K. Koizumi, Y. Kubota, H. Ozaki, K. Shigenobu, M. Fukuda and T. Tanimoto (Nishinomiya, Japan) (Received December 13th, 1991) Determination of maleic hydrazide in tobacco by micellar liquid chromatography by S. S. Yang (Richmond, VA, USA) (Received December 18th, 1991) Endogenous alkaloids in man. XI. Analysis of glyoxylate-derived 1|,3-thiazolidines by ion-pair-assisted reversed-phase chroma- tography by G. Bringmann, C. Hesselmann and D. Feineis (Wiirzburg, Germany) (Received December 16th, 1991) Separation and purification of azetidinyl methyl sulfinates using preparative high-performance liquid chromatography by F. Brown, Jr. and P. C. Heath (Indianapolis, IN, USA) (Received December 30th, 1991) Gas Chromatography Wide dynamic range electron-capture detection using the electron-capture detector pulse frequency signal by R. J. Lagomarsino and N. Latner (New York, NY, USA) (Received December 18th, 1991) Identification of ochratoxin A in food samples by chemical derivatization and gas chromatography—mass spectrometry by Y. Jiao, W. Blaas, C. Rihl and R. Weber (Berlin, Germany) (Received December 9th, 1991) Planar Chromatography Comparison of commercially available thin-layer chromatography plates with mixtures of dyes, analgesics and phenols by D. L. Gumprecht (Tuscaloosa, AL, USA) (Received January 3rd, 1992) BOOK REVIEW Chiral separations by liquid chromatography (edited by S. Ahuja), reviewed by W. Lindner Author Index SESEEE RE ED 7 In articles with more than one author, the name of the author to whom correspondence should be addressed is indicated in the article heading by a 6-pointed asterisk (*). eeeeeee#