Thin-layer chromatography plates for

Diacetates. The alkenylglycerols are isolated by thin-layer chromatography on silica gel G in a solvent system of hexane-diethyl ether (80 20, v/v). These compounds can be located by use of the TNS spray or by running an additional thin-layer chromatography plate for charring with sulfuric acid. 

An old method that has been revived is the use of thin layer chromatography plates for the detection of sesquiterpenoids [104,105]. While this kind of detection is qualitative and preferably to be used as quick determination of yes/no cases, more comprehensive and qualitative methods are needed for research purposes. 

Fig. 3. Part of a 20 X 20 cm thin-layer chromatography plate for the assay in urine of A, androsterone B, DHA C, etiocholanolone D, 11-oxo-androsterone E, 11-oxo-etiooholanolone F, llj8-OH-androsterone G, llj8-OH-etiocholanolone. Standard compounds have been run in positions 1, S, 6, and 8. Duplicate extracts from normal adult urines have been run in positions 2, 4, and 5 from a normal day-old infant in position 7 and from an infant with the adrenogenital syndrome in position...

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