Bioorg. Chem. 50, 1-10 (2013). Review of the current status of research on sesame lignans, regarding analytical methods, biological activities and biosynthesis. The papers described the revolutionary change in the type of techniques used and reported some of the TLC and HPTLC methods that allowed for lignan separation and quantification.

Springer Verlag, Heidelberg 1997, 244 pages, ISBN 3-540-62459-7. A book on preparative isolation techniques with one chapter on planar chromatography, including various aspects of prep. TLC as well as centrifugal TLC.

J. Liq. Chromatogr. Relat. Technol. 38, 1639-1659 (2015). Systematic review of different chromatographic methods for the analysis of proton pump inhibitors. The review describes the application of HPTLC for the analysis of omeprazole in biological fluids such as plasma, on silica gel with n-butanol - ammonia - water 14:1:15 (1) or chloroform - methanol 15:1 (2) and quantitative determination at 280 nm for (1) or 286 nm for (2).

Anal. Chem. 70, 7R - 26R (1998). Selective review of the literature of thin-layer chromatography in Chemical Abstracts from November 1, 1995 to November 1, 1997. The review contains General Considerations (history, books, reviews; theory and fundamental studies; chromatographic systems, apparatus and techniques; detection and identification; quantitative analysis; and preparative and radio-TLC) and Applications (acids and phenols; amino acids etc.; antibiotics; bases and amines; carbohydrates; dyes and pigments; hydrocarbons; lipids; pesticides; pharmaceuticals, drugs, and alkaloids; purines, pyrimidines, and nucleic acids; steroids; surfactants and detergents; toxins; vitamins; miscellaneous organic compounds; inorganics and metal organics); the most important (463 of 1650) publications were cited.

Trends Anal. Chem. 69, 114-122 (2015). The review discusses methods for the identification of bulk drugs and the active ingredients in formulations. The paper describes a general scheme for the profiling of related organic impurities in drugs involving the use of chromatographic techniques, including TLC.

A book on the basic, techniques and application in pharmaceutical analysis of modern chromatography, including chapters on TLC.

J. Planar Chromatogr. 20, 399-406 (2007). General aspects of food analysis using planar chromatography as an optimum tool for national and international standards to keep analysis economical. Contents: 1. The changing situation as a challenge; 2. TLC and HPTLC applications in food analysis and rapidly growing topics; 2.1 Topics in the past twenty years; 2.2 Rapidly growing topics in the future; 3. Is HPTLC a reliable quantitative method in food analysis; 3.3 Performance key data; 3.2 Method comparison; 3.3 Separating power; 4. Obstacles and benefits of planar chromatography; 4.1 Obstacles; 4.2 Benefits; 5. Future potential of HPTLC in food analysis; 5.1 Simplified sample preparation; 5.2 Simultaneous determination of analytes with different detection principles or analytes difficult to detect in general; 5.3 Digital evaluation of plate images; 5.4 Bioactivity-based detection; 5.5 Mass-selective information on demand; 5.6 Cost-effectiveness; 6. Conclusions. Planar chromatography for simple solution of difficult problems, reduced sample preparation, selective derivatization, quantitative and sensitive determinations using appropriate instrumentation, compliance with regulated environments, e. g. cGMP and cGLP, validation fulfilling requirements for reliable analysis, reduced costs, high throughput and comparable results.

Trends Anal. Chem. 76, 60-70 (2016). The review discusses suitable analytical approaches for the analysis of counterfeit and substandard pharmaceuticals in Tanzania. The authors highlight the importance of TLC and HPTLC for the quality control of pharmaceuticals in developing countries, having a repeatability and a reproducibility of the results comparable to those obtained with HPLC.