Acta Alimentaria, 20, 103-107 (1991). TLC of oxygenated or cyclopropene fatty acids and their methyl esters on silica with hexane - ether - acetic acid 79:20:1. Detection by spraying with concentrated sulfuric acid.

J. Planar Chromatogr. 25, 344-348 (2012). HPTLC of two oil-soluble sunscreens, namely avobenzone (1) and octyl salicylate (2) and a water-soluble sunscreen, namely phenylbenzimidazol sulfonic acid (3) on silica gel with cyclohexane - diethyl ether 5:1 for (1) and (2) and ethyl acetate - ethanol - water 14:7:6 for (3). Quantitative determination by absorbance measurement at 300 nm for (2) and (3), and 360 nm for (1). Limits of detection and quantification were found to be 30 and 80 ng/zone for (1), and 20 and 60 ng/zone for both (2) and (3).

J. Chromatogr. 302, 149-158 (1984). HPTLC of polycyclic aromatic hydrocarbons on different stationary phases with various mobile phases in several development modes, conventional, continuous, and multiple development. Reversed-phases in separation using RP-18 silica and methanol - water or methanol - water based ternary solvent system gave the best result.

J. Chromatogr. 463, 452-456 (1989). TLC of title compounds on silica with 4 different solvent systems. Detection under UV. Identification by melting point and UV spectra after elution with different solvents.

Part VII. J. Planar Chromatogr. 7, 389-393 (1994). TLC of stereoisomeric menthols and thujols (menthol, neomenthol, isomenthol, neoisomenthol, thujol, neothujol, isothujol, neoisothujol) on silica with hexane - ethanol 85:15 for menthols and benzene for thujols, each plate was developed three times. A new stereoisomeric topological index has been proposed (ISTI) which enables distinction between stereoisomers with hydroxyl groups in axial and equatorial positions.

J. Chromatogr. A 779, 321-328 (1997). Presentation of a new modelling of the TLC process in the form of 3rd degree functions. Use of some computer programs for selection of the optimum composition of the benzene - acetone - water mobile phase on RP-8 and RP-18, allowing the choice of a mobile phase which ensures the best resolution.

J. Planar Chromatogr. 16, 331-337 (2003). Literature recommends dipping TLC plates in viscous liquids to enhance fluorescence. Measurement of the fluorescence and absorbance spectra of pyrene spots reveals the mechanism of enhancement of plate dipping in viscous liquids - blocked contact of the fluorescent molecules with the stationary phase or other sample molecules is responsible for the enhanced fluorescence at lower concentrations. TLC and HPTLC of pyrene on silica gel and on RP-18 with methanol - acetone 8:3. The dipping solution was prepared by dissolving 3.8 g pentane sulfonic acid in 20 mL water. Densitometry in the range of 198 to 610 nm.

Biochemical Systematics and Ecology 26, 655-662 (1998). TLC of 1-phenyl-5-viny-5.9-dimethyl-decane on silica gel with hexane - chloroform 73:27.