Cumulative CAMAG Bibliography Service CCBS

Our CCBS database includes more than 11,000 abstracts of publications. Perform your own detailed search of TLC/HPTLC literature and find relevant information.

The Cumulative CAMAG Bibliography Service CCBS contains all abstracts of CBS issues beginning with CBS 51. The database is updated after the publication of every other CBS edition. Currently the Cumulative CAMAG Bibliography Service includes more than 11'000 abstracts of publications between 1983 and today. With the online version you can perform your own detailed TLC/HPTLC literature search:

  • Full text search: Enter a keyword, e.g. an author's name, a substance, a technique, a reagent or a term and see all related publications
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      61 011
      A microcomputer program for the calculation of Rf values of solutes in stepwise gradient thin-layer chromatography
      W. MARKOWSKI, E. SOCZEWINSKI, G. MATYSIK, (Dept. Inorg. Anal. Chemistry, Med. Acad., Staszica 6, 20-081 Lublin, Poland)

      J. Liquid Chrom. 10, 1261-1276 (1987). Microcomputer calculation of Rf values for any gradient program after introduction of Rf values of sample components obtained for several isocratic runs. Good agreement of calculated and experimental Rf values.

      Keywords:
      Classification: 2d
      66 011
      An optimization function and its application to the multidimensional thin-layer chromatography of protein amino acids
      A.G. HOWARD, I.A. BOENICKA, (Dep. Chem., Univ. Southampton, Southampton, UK S09 3NH)

      Anal. Chim. Acta 223, 411-418 (1989). Optimization of multicomponent mobile phase system in TLC by using an overall figure of merit (FOM) for separation, based on an equation which defines the extent of the separation of pairs of spots. Demonstration of the method in simplex optimization of separation of 17 amino acids by two-dimensional TLC on cellulose with tert butanol – 25% NH3 – MEK – water 12:6:1.52:2.48 for the first dimension, and butanol – acetone – acetic acid – water 10.29:6.82:5.06:3.65 for the second.

      Keywords:
      Classification: 2d, 18a
      71 004
      Determination of the surface irregularity of TLC and HPTLC plates
      T. CSERHATI*, A. SOMOGYI, (Central Res. Inst. for Chem., Hungarian Acad. of Sci., H-1525 Budapest, POB 17, Hungary)

      J. Planar Chromatogr. 5, 319-322 (1992). Check of 9 different types of TLC and HPTLC plates for surface irregularities with a TLC scanner operating in the wavelength range 200-700 nm. The data matrix was evaluated by principle component analysis and by spectral mapping. Most irregularities were found between 200-300 nm; in the visible region the surfaces seemed more even. The HPTLC plate showed the smallest irregularities.

      Keywords:
      Classification: 2d
      74 019
      Physico-chemical modeling of solute retention in reversed phase liquid chromatography with acetonitrile - phosphate buffer eluents
      A. PODGORNY, T. KOWALSKA*, (Inst. of Chem., Silesian Univ., 9 Szkolna Street, 40-006 Katowice, Poland)

      J. Planar Chromatogr. 7, 291-293 (1994). The new retention model originally developed for reverse phase liquid chromatographic systems employing acetonitrile - water mobile phases has been adapted for description of solute retention in analogous systems using acetonitrile - phosphate buffer mixtures. The basic physical relationships of this approach have been experimentally tested, and excellent agreement found between theory and practice of the phenomenon considered.

      Keywords:
      Classification: 2d
      80 008
      On a deficiency of the concept of the eluotropic series
      T. KOWALSKA*, B. KLAMA, (*Inst. of Chem., Silesian Univ., 9 Szkolna Street, 40-006 Katowice, Poland)

      J. Planar Chromatogr. 10, 353-357 (1997). The concepts of eluent strength and eluotropic series relate to adsorbent activity as a singular property of a given stationary phase, indirectly implying that independent of the adsorbent applied the retention mechanism is governed by one type of active site only. This assumption can hardly be applied for elucidation of experimental results obtained from systems employing adsorbents with more than one type of active site like e.g. alumina. It was demonstrated that for these more complicated stationary phases a single-value eluotropic series of solvents is to some extent misleading.

      Keywords:
      Classification: 2d, 2e
      87 005
      Separation using planar chromatography with electroosmotic flow
      D. NOROK*, M.C. FROST, D.M. CHENOWETH, (*Dept. Chem., Indiana Univ. - Purdue Univ. Indianapolis, 402 N, Blackford Street, Indianapolis, IN 46202 USA)

      J. Chromatogr. A 903 (1/2), 211-217 (2000). Use of planar chromatography with electroosmotic flow to separate either a mixture of dyes using 80% ethanol or a mixture of miscellaneous compounds using 45% aqueous acetonitrile as mobile phase. Both mobile phases are 1.0 mM in N-[tris(hydroxymethyl)]-3-aminopropanesulfonic acid (TAPS) buffer. Presentation of the respective relationship between migration velocity and applied potential and between analysis time and distance migrated. Discussion of the merits compared to conventional TLC.

      Keywords:
      Classification: 2d, 3d
      95 041
      Planar chromatography in studies of the hydrophobic properties of some new herbicides
      Malgorzata JANICKA*, B. OSCIK-MENDYK, B. TARASIUK (*Department of Planar Chromatography, Faculty of Chemistry, M. Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland)

      J. Planar Chromatogr. 17, 186-191 (2004). TLC of sixteen new herbicides (7 2-(chlorophenoxy)acyl derivatives like e.g.methyl 2,4-dichlorophenoxyacetate, methyl 2-(2,4,5-trichlorophenoxy)propionate and 9 N-aryltrichloroacetamides like e.g. N-(4-chlorophenyl)trichloroacetamide, n-trichloroacetanilide, trichoroacetanilide) on RP-18 with aqueous buffer - methanol mixtures in saturated sandwich chambers. A Reprostar 3 video camera and Videostore software were used for visualization and evaluation of chromatograms.

      Classification: 2d, 29d
      121 013
      The influence of addition of ion-pairing acid and organic modifier of the mobile phase on retention and migration of peptides in pressurized planar electrochromatography system with octadecyl silica-based adsorbent
      R.?. GWARDA*, T.H. DZIDO (*Dep. of Phys. Chem., Chair of Chem., Fac. of Pharm. with Med. Anal. Div., Med. Univ. of Lublin, 4a Chod?ki St., 20-093 Lublin, Poland)

      J. Chromatogr. A 1558, 77-84 (2018). Investigation of the influence of concentration of ion-pairing additive, as well as concentration and type of organic modifier of the mobile phase on migration of peptides in a pressurized planar electrochromatography (PPEC) system with octadecyl silica-based adsorbent. Comparison of the results with those obtained by similar HPTLC and PPEC systems. Discussion of the influence of particular variables on retention, electrophoretic mobility of solutes and electroosmotic flow of the mobile phase, of the co-influence of these factors on the final selectivity of peptide separation, and of the difficulty of independent optimization of these factors due to their impact simultaneously on the retention, the electrophoretic mobility, and the electroosmotic flow. The pH of the mobile phase was the main variable for optimization of the PPEC system. Extensive tailing of peptide zones in the PPEC was observed in comparison to similar HPTLC systems.

      Classification: 2e, 18b