J. Food Comp. Anal. 41, 174-180 (2015). HPTLC fingerprint of red wines on silica gel with ethyl acetate - formic acid - acetic acid - water 10:1:1:2. Detection by dipping into NP reagent (1 g of diphenylborinic acid aminoethylester was dissolved in 200 mL ethyl acetate), followed by drying in cold air and dipping in PEG reagent (10 g of polyethylene glycol 400 is dissolved in 200 mL dichloromethane). Qualitative identification under UV 254 and 366 nm. Precisions of hRF values (% RSD) of three selected zones on two plates was below 0.02 %.

J. Liq. Chromatogr. Relat. Technol. 38, 1279-1285 (2015). TLC of Citrus herbal medicines on NaOH-modified silica gel with ethyl acetate - methanol - water 100:17:13, followed by drying at room temperature and second development with toluene - ethyl acetate - formic acid - water 20:10:1:1. Detection by spraying with 1 % aluminium chloride ethanolic solution. The greyscale image captured under UV 365 nm was corrected by removing the quadratic baseline trend of the densitometric curve of every row.

Food Res. Int. 76, 3-10 (2015). HPTLC of saponins in peas (Pisum sativum) on silica gel with chloroform - methanol - water 55:37:8. Detection by dipping into p-anisaldehyde sulfuric acid reagent for 2 s, drying for 10 min, followed by heating at 70 °C for 5 min. Quantitative determination by absorbance measurement at 545 nm. The hRF of soyasaponin βg was 60 as a violet-blue band and for soyasaponin I 57 as an orange band on a dark background. Saponin identification by hyphenation of HPTLC with mass spectrometry (MS) via a TLC–MS interface.

Phytochem. Anal. 26, 404-412 (2015). TLC-autography of physostigmine in an extract of Brassica rapa with the acetylcholinesterase inhibitor on a TLC plate sprayed with a solution of α-naphthyl acetate (2.5 mg/mL) – fast blue B (2.5 mg/mL) 4:1 and with a acetylcholinesterase agar solution distributed over the TLC plate. The plate was developed with dichloromethane - methanol 9:1, ethyl acetate - methanol - water 5:5:2 and toluene - chloroform - ethanol 57:114:29. Further extraction and analysis with high resolution mass spectrometry. _x000D_

J. Planar Chromatogr. 29, 77-81 (2016). Orthogonal pressurized planar electrochromatography (OPPEC) of 4-(2-pyridylazo)resorcinol monosodium salt (1), patent blue (2), and azorubine (3) on RP-18W with 45 % methanol in buffer solution (pH 3.2, final concentration of buffer components in the mobile phase: 2.28 mmol/L of citric acid and 1.34 mmol/L of disodium hydrogen phosphate). The external pressure exerted on the adsorbent layer was set up as 15.0 bar. The polarization voltage applied to the electrodes was 1.5 kV, and the separation time was 150 min.

Rev. Bras. Farmacogn. 26, 197-202 (2016). HPTLC of tannins (1), flavonoids (2), anthraquinones (3), terpenes (4), cardiotonic glycosides (5) and alkaloids (6) in Myracrodruon urundeuva on silica gel with toluene – acetic acid – formic acid 70:167:14 for (1), ethyl acetate – methanol – water 8:1:1 for (2), toluene – acetone – chloroform 8:5:7 for (3), hexane – ethyl acetate 1:1 for (4), ethyl acetate – methanol – water 20:3:2 for (5), and ethyl acetate – formic acid – acetic acid – water – ethyl methylketone 86:16:23:47:78 for (6). Detection by spraying with 1 % potassium ferricyanide – 2 % iron(III)chloride 1:1 for (1), 2 % aluminium chloride for (2), 5 % potassium hydroxide for (3), anisaldehyde-sulfuric acid reagent for (4), Kedde reagent for (5) and Dragendorff reagent for (6).

Planta Medica 82, 11/12, 1117-1121 (2016). TLC was applied for two purposes: first, to monitor the subfractionation of the methanol extract of the whole Calamus acanthophyllus (eluent and layer not given); second, to analyze the sugar composition of callaphylloside (a weakly cytotoxic pregnastanol saponoside). For this purpose, callaphylloside was heated for 3 h with HCl 2 N under reflux; TLC of the lyophilized and neutralized ethyl acetate extract of the mixture on silica gel with ethyl acetate – n-butanol – water 2:7:1 together with standards. The sugar moiety consisted in rhamnose and glucose (2 units of each, as confirmed through NMR of the compound)._x000D_

J. Chromatogr. Sci. 52 (6) 559-565 (2014). TLC of sertindole subjected to stress stability studies, including acid, alkali, oxidative, photolytic and thermal degradation, on silica gel with methanol – ethyl acetate – 33 % ammonia 10:90:1, detection under UV 254 nm (the hRf was 71 for sertindole and 16 for its oxidative degradation product), identification by IR and GC/MS, quantification by densitometry at 227 nm with a linearity range of the calibration curve from 2 to 14 µg/band. The intermediate precisions and repeatabilities were < 2%. The method is suitable for quality control laboratories as stability-indicating method and for routine analysis without any preliminary separation step.