chapter 1 Basic TLC Techniques, Materials, and Apparatus / chapter 2 Theory and Mechanism of Thin-Layer Chromatography / chapter 3 Optimization / chapter 4 Sorbents and Precoated Layers in Thin-Layer Chromatography / chapter 5 Instrumental Thin-Layer Chromatography (Planar Chromatography) / chapter 6 Gradient Development in Thin-Layer Chromatography -- chapter 7 Overpressured Layer Chromatography / chapter 8 Detection, Identification, and Documentation / chapter 9 Thin-Layer Chromatography Coupled with Mass Spectrometry / chapter 10 Basic Principles of Optical Quantification in TLC / chapter 11 Preparative Layer Chromatography / chapter 12 Thin-Layer Radiochromatography / chapter 13 Applications of Flame Ionization Detectors in Thin-Layer Chromatography -- chapter 14 Amino Acids and Their Derivatives / chapter 15 Antibiotics / chapter 16 Carbohydrates / chapter 17 Enantiomer Separations / chapter 18 Herbal Drugs, Herbal Drug Preparations, and Herbal Medicinal Products -- chapter 19 Hydrocarbons / chapter 20 Hydrophilic Vitamins / chapter 21 Inorganic and Organometallic Compounds / chapter 22 Lipids / chapter 23 Lipophilic Vitamins -- chapter 24 Natural Pigments / chapter 25 Nucleic Acids and Their Derivatives / chapter 26 Peptides and Proteins / chapter 27 Pesticides / chapter 28 Pharmaceuticals and Drugs -- chapter 29 Phenols, Aromatic Carboxylic Acids, and Indoles / chapter 30 Steroids / chapter 31 Synthetic Dyes / chapter 32 Toxins (Natural)