J. Chromatogr. 499, 361-371 (1990). Studies of reverse-phase retention behavior of 18 benzodiazepine derivatives using TLC on paraffin-impregnated silica with a solution containing 0 – 32.5 Vol-% of acetonitrile in steps of 2.5 % and 6, 12, 30, 60, and 90 mM KHPO4 solution. Detection by their UV absorption spectra. Linear dependence of RM value on organic phase concentration and logarithmically on buffer concentration in mobile phase. Prediction of HPLC retention behavior.

J. Chromatogr. 628, 103-109 (1993). TLC of 29 isomer pairs of 1,2,3,4-tetrahydro-2-naphthol and 3-amino-1,2,3,4-tetrahydro-2-naphthol derivatives on silica or alumina with 6 solvent systems. Detection by different techniques. Discussion of the possibility of two-point contact with the adsorbent in the case of more strongly retained isomers and their edgewise orientation against its surface and the influence of substituents in position 3 of the 1,2,3,4-tetrahydro-2-naphthol ring system on the retention sequence of the respective isomers.

Chromatographia 37, 599-602 (1993). TLC on silica with two series of complexes, using 9 single and 6 two component solvent systems. Discussion of the separation mechanisms and the separation factors.

J. Chromatogr. 685, 295-302 (1994). Determination of the retention of eight cyanophenyl herbicides on water-insoluble ß-cyclodextrin polymer beads (BCDP) with 1) water - methanol 3:7, 2) 0.1 M hydrochloric acid - methanol 3:7, 3) 0.1 M NaOH - methanol 3:7, 4) 1 M MgCl2 - methanol 3:7, 5) 1 M glycine - methanol 3:7. Detection by UV and visible spectra. Calculation of the effects of pH, salt concentration in the aqueous eluent systems and the various physicochemical parameters of herbicides on the herbicide-BCDP interaction by using principal component analysis.

Chinese J. Chromatogr. (Sepu) 14, 214-217 (1996). TLC of 10 amino acids, 11 sulfides, 6 mercaptans and 20 2,4-dinitrophenylhydrazones of aldehydes or ketones on silica with various solvent systems. Discussion of the correlation between molecular connectivity index and the retention values. Regression equations are given.

J. Planar Chromatogr. 10, 441-446 (1997). Determination of lipophilicity and specific hydrophobic surface of 11 sulfosuccinic acid esters by RP TLC in ion-free eluents and in eluents containing NaCl, KCl, MgCl2, and CaCl2. The strength and selectivity of the effect of salts were separated by use of the spectral mapping technique. Stepwise regression analysis was used to elucidate the relationship between the retention characteristics and the physicochemical parameters.

Chinese J. Chromatogr. (Sepu) 17, 14-17 (1999). Determination of the Rf values of a group of amino acids by normal phase TLC. Computation of the correlation coefficients for various parameters of amino acids. Classification of the parameters according to the results of correlation analysis. Studies of the title relation-propagation artificial neural network. Comparison of the results with those obtained experimentally, showed good agreement.

J. Planar Chromatogr. 12, 408-415 (1999). Investigation of the influence of a perpendicular homogeneous electric field on the TLC process for four different sorbents, SiO2, Al2O3, cellulose and polyamide; description of the influence on mobile phase migration time, on chromatographic parameters, and on the properties of the sorbent layers developed with monocomponent mobile phase, from apolar solvents such as hexane and heptane to strong polar phases such as methanol, formamide and water, using two substance groups as samples - inactive compounds (polycyclic hydrocarbons) and substances with active substituents (quinoline derivatives).