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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Registered users can create a tailor made PDF of selected articles throughout CCBS search – simply use the cart icon on the right hand of each abstract to create your individual selection of abstracts. You can export your saved items to PDF by clicking the download icon.
Planta Med 83(05), 412-419 (2017). For the purification of verbascoside, the ethanol-water fractionation through size exclusion chromatography (Sephadex LH-20) of an 80 % ethanolic extract of Lippia citriodora leaves was monitored by TLC on silica gel with chloroform – methanol 7:3, followed by detection with vanillin sulfuric acid reagent.
J. Planar Chromatogr. 31, 57-60 (2018). HPTLC of azathioprine, caffeine, theobromine, theophylline and acyclovir on RP-18 W with acetonitrile - TRIS–HCl buffer pH 8.0 (1 mM) 1:4. It was neither possible to separate azathioprine from caffeine, nor theobromine from theophylline. Under the same conditions, pressurized planar electrochromatography with a polarization voltage of 2.5 kV showed better results, as all five purine derivatives could be separated. Detection under UV 280 nm._x000D_
J. Planar Chromatogr. 31, 250-256 (2018). HPTLC of fifteen 17β-carboxamide glucocorticoid derivatives and prednisolone on RP-18 with acetonitrile – water (1:1, 3:2, 7:3, and 4:1), acetone – water (1:1, 3:2, 7:3, and 4:1, and 9:1), ethanol 96 % – water (1:1, 3:2, 7:3, and 4:1), methanol – water (3:2, 7:3, 4:1, and 9:1) and tetrahydrofuran – water (1:1, 3:2, 7:3, and 4:1). The system consisting of water and ethanol 96 % was selected as the most suitable for the prediction of octanol – water partition coefficients (log Po/w).
quantifications of some physiologically active secondary metabolites in Averrhoa carambola L
fruits. J. Planar Chromatogr. 31, 207-212 (2018). HPTLC of gallic acid (1), protocatechuic acid (2) and quercetin (3) in the fruits of Averrhoa carambola on silica gel with toluene – ethyl acetate – formic acid 5:4:1. Quantitative determination by absorbance measurement at 310 nm. The hRf values for (1) to (3) were 29, 37 and 42, respectiely. Linearity was in the range of 100-600 ng/zone for (1) to (3). The intermediate precision was below 2 % (n=3). The LOD and LOQ were 30 and 90 ng/zone for (1), 33 and 100 ng/zone for (2) and 28 and 85 ng/zone for (3), respectively. Recovery ranged between 97.6 and 99.2 % for (1) to (3).
hydrochlorothiazide, enalapril, and atorvastatin in a polypill-based quaternary mixture by TLC
J. AOAC Int. 3, 708-713 (2018). HPTLC of acetylsalicylic acid (1), hydrochlorothiazide (2), enalapril (3), and atorvastatin (4) in a formulation on silica gel with n-hexane – ethyl acetate – methanol – water – acetic acid 42:40:15:2:1. Quantitative determination by absorbance measurement at 210 nm for (3) and 265 nm for (1), (2) and (4). The hRf values for (1) to (4) were 68, 44, 31 and 54, respectively. Linearity was in the range of 0.600-6.000 μg/zone for (1), 0.058-1.102 μg/zone for (2), 0.505-6.560 μg/zone for (3) and 0.100-1.000 μg/zone for (4). The intermediate precision was below 3 % (n=5). The LOD and LOQ were 0.311 and 0.942 μg/zone for (1), 0.043 and 0.130 μg/zone for (2), 0.331 and 1.003 μg/zone for (3) and 0.044 and 0.135 μg/zone for (4). (Note by the editor: Calibration should start at LOQ, not below.) Recovery was between 97.0 and 101.3 % for (1) to (4).
methanolic fraction. J. Planar Chromatogr. 31, 327-331 (2018). HPTLC of caffeic acid (1), vanillic acid (2), and syringic acid (3) in O. corniculata L. methanolic fraction on silica gel with toluene ‒ ethyl acetate ‒ formic acid 7:3:1. Quantitative determination by absorbance measurement at 300 nm. The hRF values for (1) to (3) were 36, 44 and 54, respectively. Linearity ranged between 100-700 ng/zone. LOD and LOQ were 40 and 100 ng /zone, respectively. The intermediate precision was <2 % (n=3). Recovery was between 97.1 and 99.6 %.
J. Ethnopharmacol. 233, 141-147 (2019). HPTLC of gentiopicrin in the dried roots and rhizomes of Gentiana scabra on silica gel with ethyl acetate – ethanol – water 8:2:1. Detection by spraying with chromogenic reagent (acetic acid – sulfuric acid – p-anisaldehyde 100:2:1). Qualitative evaluation at UV 254 nm. The hRF value for gentiopicrin was 58.
J. Sep. Sci. 41, 3553-3560 (2018). HPTLC of sofosbuvir (1), daclatasvir (2), and ledipasvir (3) on silica gel with methylene – chloride – methanol – ethyl acetate – ammonia (25 %) 6:1:4:1. Quantitative determination by absorbance measurement at 275 nm. The hRF values for (1) to (3) were 27, 50 and 68, respectively. Linearity ranged between 100-3000 ng/zone for (1) and (2) and 50-3000 ng/zone for (3). LOD and LOQ were 23 and 68 ng/mL for (1), 32 and 96 ng/mL for (2) and 16 and 48 ng/mL for (3). The intermediate precision was <2 % (n=3). Average recovery was 99.5 % for (1), 99.5 % for (2) and 99.7 % for (3).