Cumulative CAMAG Bibliography Service CCBS
Our CCBS database includes more than 11,000 abstracts of publications. Perform your own detailed search of TLC/HPTLC literature and find relevant information.
The Cumulative CAMAG Bibliography Service CCBS contains all abstracts of CBS issues beginning with CBS 51. The database is updated after the publication of every other CBS edition. Currently the Cumulative CAMAG Bibliography Service includes more than 11'000 abstracts of publications between 1983 and today. With the online version you can perform your own detailed TLC/HPTLC literature search:
- Full text search: Enter a keyword, e.g. an author's name, a substance, a technique, a reagent or a term and see all related publications
- Browse and search by CBS classification: Select one of the 38 CBS classification categories where you want to search by a keyword
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J. Chromatogr. A 1218 (19), 2722-2731 (2011). Review on the features of TLC in the different areas of pharmaceutical analysis, like in-process and intermediate control, illustrated by impurity testing of active ingredients and final products, as well as its application in pharmaceutical research and development. Based on examples reported in the last five years it is shown that TLC is still a very popular and frequently used analytical method in the pharmaceutical industry, although there is a tendency in current pharmacopoeias for favouring HPLC.
Quim. Nova. 34, 330-334 (2011). TLC of rosmarinic acid in preparations of Rosmarinus officinalis on silica gel with acetone – formic acid – methylene chloride 50:17:170. Detection under UV 366 nm. Quantitative determination by solid state differential pulse voltammetry (DPV). Linearity was between 0.694x10-3 to 0.526x10-3 mol/L. The limits of detection and quantification were 1.2x10-5 and 3.6x10-5 mol/L, respectively. The intermediate/interday/intraday precisions were 3.03 % and 2.2 %, respectively. Recovery (by standard addition) was 96.3 % for rosmarinic acid. The method presented high recovery levels compared to an HPLC method.
Der Pharma Chemica 2(3), 8-18 (2010). HPTLC of berberine on silica gel with methanol – acetic acid – water 8:1:1. The band corresponding to berberine showed an hRf value of 74. Quantitative determination by absorbance measurement at 350 nm. The method was linear in the range of 100-500 ng/band. Different samples analysed by the proposed method were found to contain 11.8-12.5 mg/g berberine. The recovery was between 98.0-100.3 %.
Abstracts, 42nd Middle Atlantic Regional Meeting of the American Chemical Society, College Park MD, USA, May 21-24 (2011). The four TLC methods for acetaminophen, acetylsalicylic acid, ibuprofen, and chlorpheniramine maleate contained in the Compendium of methods developed by A.S. Kenyon and T.P. Layloff at the US FDA for use in countries with limited resources were transferred to quantitative HPTLC. The used sample preparation methods provide suitable calibration curves covering the range of 70-130 % of the label value of the products. Quantitative determination by absorbance measurement at 254 nm.
J. Sep. Sci. 34, 2397-2404 (2011). HPTLC of 23 newly synthesized N-substituted 2-alkylidene-4-oxothiazolidines on RP-18 with 1) methanol - water, 2) acetonitrile - water, and 3) tetrahydrofurane - water. A quantitative structure-retention relationship study allowed to understand the chromatographic behavior of similar compounds.
J. Planar Chromatogr. 24, 491-496 (2011). HPTLC of pentose, hexose and disaccharides in pharmaceutical formulations on silica with aqueous micellar bile salt, sodium deoxycholate in acetonitrile 1:5 with chamber saturation. This mobile phase provided the best separation of the 22 phases tested. Detection by spraying with ethanolic orcinol solution.
J. Liq. Chromatogr. Relat. Technol. 32, 3049-3055 (2009). HPTLC of cinoxacin (1), pipemidic acid (2), ofloxacin (3), and pefloxacin (4) on silica gel with buffer solution (pH 5.5) - methanol 4:1 and acetonitrile - water - acetic acid, 3:20:2. Detection by dipping into various visualization agents. The detection limits for (1) to (4) were 0.1, 0.1, 0.5, and 0.75 µg/zone, respectively. Best detection conditions for (1) and (2) were obtained by dipping in Janus blue and immediate evaluation, and for (3) and (4) by dipping in Cresol red followed by heating at 120 ºC for 10 min for (3) and (4).
Tianjin J. of Trad. Chinese Med. & Pharm. 28 (2), 164-166 (2011). TLC of the extracts of the traditional Mongolian medicine on silica gel 1) for artificial cow-bezoar, with isooctane - ethyl acetate - glacial acetic acid 6:3:2, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C until the zones were detected under UV 365 nm, identification by comparison with the fingerprint of the individual drug components and cholic acid as reference; 2) for Coptidis rhizoma, with benzene - ethyl acetate - isopropanol - methanol - water 20:10:5:5:1, detection under UV 365 nm after exposure to ammonia vapour, identification by comparison of the fingerprint with the individual drug components and berberine hydrochloride as reference; 3) for light yellow Sophora root, with ethyl acetate - propanone - benzene - ammonia water 20:15:10:1, detection by spraying with 5 % potassium iodobismuthate solution, identification by comparison of the fingerprint with the individual drug components and with matrine as reference.