J. Chinese Trad. Patent Med. (Zhongchengyao) 29 (2), 217 0 221 (2007). TLC of the extracts of Anxinkang dropping pills on silica gel with 1) chloroform - methanol - ammonia 25:3:1; 2) petroleum ether (60 - 90 ºC) - ethyl acetate 20:1; 3) ethyl acetate - acetone - methanol 5:5:1. Detection 1) by spraying with 10 % potassium iodobismuthate solution; 2) by spraying with 5 % p-diethylaminobenzaldehyde in 10 % H2SO4 in ethanol, and heating at 105 °C for 10 min; 3) by spraying with 10 % H2SO4 in ethanol and heating at 105 °C. Identification by comparison with standard.

J. Liq. Chromatogr. Relat. Technol. 29, 877-887 (2006). HPTLC of curcuminoids (curcumin, demethoxycurcumin, and bis-demethoxycurcumin) on spherical silica gel with chloroform - methanol 49:1 with chamber saturation. Densitometry at 366 nm in adsorption-reflection mode.

J. Chromatogr. A 1164 (1-2), 298-305 (2007). TLC using staining reagents is fast, versatile and sometimes the only viable method method for analyzing organic compounds without chromophores. Investigation of quantitative TLC using staining reagents in combination with modern image analysis software showed that it is possible to get reliable measurements, suitable for high-throughput screening or physical organic investigations. Illustration of the range of detection and the errors for the different parts of the process, which are largely due to the staining process but can be diminished by measuring ratios of compounds.

Chromatographia 67 (3-4), 268-274 (2008). HPTLC of 24beta-ethylcholesta-5,22E,25-triene-3beta-ol (ECTO) in the aerial part of Clerodendrum phlomidis (used as a chemical marker for the standardization of C. phlomidis plant extracts) on silica gel with chloroform - methanol 197:3. Detection by spraying with anisaldehyde reagent. Quantitative determination by densitometry in absorption mode at 650 nm. Linearity was between 150 and 400 ng/band with good correlation (r2 = 0.996).

59th Indian Pharmaceutical Congress F-127, 420, (2007). HPTLC of citral (active constituent of cymbopogan citratus) on silica gel with toluene - ethyl acetate 17:3. Detection by spraying with vanillin-sulfuric acid reagent. Densitometric evaluation at 595 nm. The hRf value of citral was 55. Linearity was between 1 and 10 ng/zone. The citral content in cymbopolon citratus was found to be 67 - 81 %.

J. Sep. Sci. 30, 2053-2058 (2007). HPTLC of umbelliferone (1), psoralen (2), and eugenol (3) in the dried fruit pulp of Aegle marmelos and in the fruit of Trachyspermum ammi and Foeniculam vulgare on silica gel with toluene – methanol 19:1. Quantitative determination by absorbance measurement at 331 nm for (1), 304 nm for (2), and 280 nm for (3). The hRf values were 30, 58, and 70 for (1), (2), and (3), respectively. Linearity was between 1 and 5 ng/zone, 16 and 96 ng/zone, and 200 and 1000 ng/zone for (1), (2), and (3), respectively. The limits of detection and quantification were 0.8 and 1.2 ng/zone for (1), 8 and 16 ng/zone for (2), 60 and 150 ng/zone for (3), respectively. Recoveries were 98.9 %, 100.1 %, and 99.3 %, for (1), (2), and (3) respectively.

59th Indian Pharmaceutical congress F-152, 426, (2007). HPTLC of rosiglitazone on silica gel aluminum layer with chloroform - ethyl acetate - ammonia 70:30:1. The hRf value of rosiglitazone was 40. Densitometric analysis in absorbance mode at 230 nm. Linearity was between 100 and 1000 ng/zone. Recovery (by standard addition method) was 99.6 %. Limit of detection and quantification was 10 ng and 50 ng/zone, respectively.

59th Indian Pharmaceutical congress F-224, 443, (2007). HPTLC of cilostazol on silica gel with ethyl acetate - toluene - methanol - ether 4:4:2:1. The hRf value was 64. Limit of detection and quantification was 7 ng/spot and 20 ng/spot respectively.