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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- Search by CBS edition: Select a CBS edition and find all related publications
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.
J. Planar Chromatogr. 26, 62-66 (2013). HPTLC of propranolol hydrochloride (1) and flunarizine dihydrochloride (2) on silica gel with methanol - chloroform - toluene 6:14:14+1 drop glacial acetic acid. Quantitative determination by absorbance measurement at 260 nm. The hRf values of (1) and (2) were 35 and 64, respectively. Linearity was in the range of 3000-15000 ng/zone and 750-3700 ng/zone for (1) and (2), respectively. Intermediate precision was below 2 %.
J. Planar Chromatogr. 26, 435-439 (2013). HPTLC of ciclesonide in bulk and dosage form on silica gel with acetonitrile - 1,4-dioxane - n-hexane 1:1:8 +1 drop ethyl acetate. Quantitative determination by absorbance measurement at 242 nm. The hRf of ciclesonide was 38. Linearity was between 1 and 6 mg/zone. LOD and LOQ were 100 and 303 ng/zone. Recovery (by standard addition) was found to be 98.9-100.3 %. Intra- and inter-day precision values were below 0.7 and 1.4 %, respectively.
of 13-cis-retinoic acid (isotretinoin) and all-trans-retinoic acid (tretinoin)
J. Planar Chromatogr. 27, 428-430 (2014). HPTLC of (1) tretinoin and (2) isotretinoin on silica gel with toluene – ethyl acetate – methanol 16:2:1. Quantitative determination by absorbance measurement at 334 nm. The hRF values of (1) and (2) were 27 and 38, respectively. Linearity was in the range of 30-70 ng/zone for (1) and (2). The intermediate precision was below 1 % (n=6) for (1) to (2). The LOD and LOQ were 10 and 20 ng/zone for (1) and 20 and 30 ng/zone for (2). Recovery for (1) and (2) were in the range of 95-102 %.
chromatographic method for the simultaneous determination of the antimalarial drugs atovaquone and proguanil from Malarone® tablets
J. Planar Chromatogr. 29, 140-144 (2016). HPTLC of atovaquone (1) and proguanil (2) in tablets on silica gel with toluene – methanol – glacial acetic acid 40:10:1. Quantitative determination by absorbance measurement at 254 nm. The hRF values for (1) and (2) were 80 and 22, respectively. Linearity was in the range of 200-2000 ng/zone for (1) and 100-1000 ng/zone for (2). Intermediate precisions were below 1 %. The LOD and LOQ were 41 and 123 ng/zone for (1) and 31 and 94 ng/zone for (2), respectively. Recovery was in the range of 99.5-100.7 % for (1) and 100.1-100.8 % for (2).
Anal. Sci. 33, 743-746 (2017). HPTLC of boric acid (1) and calcium fructoborate (2) on silica gel with 2-propanol – water 4:1. Detection by spraying with 0.1 % ethanolic chlorogenic acid solution. Quantitative determination by densitometry at 365 nm. The hRF values for (1) and (2) were 83 and 59, respectively. Linearity was between 0.2 and 0.8 μg/zone for (1) and 1 and 4 μg/zone for (2). LOD and LOQ were 50 and 160 ng/zone for (1) and 270 and 830 ng/zone for (2). The intermediate precision was <2 % (n=3). Recovery rate was between 98 and 102 %.
J. Planar Chromatogr. 31, 235-242 (2018). HPTLC of lormetazepam on silica gel with acetonitrile – water 3:2. Quantitative determination by absorbance measurement at 241 nm. The hRf value for lormetazepam was 44. Linearity was in the range of 1.0-7.5 μg/zone. The intermediate precision was below 4 % (n=3). The LOD and LOQ were 0.26 and 0.77 μg, respectively. Average recovery was 100.9 %. Comparable results were obtained with a validated HPLC method.
J. Planar Chromatogr. 31, 389-395 (2018). HPTLC of paracetamol (1), pamabrom (2), and pyrilamine maleate (3) on silica gel with chloroform ‒ acetonitrile 3:7. Quantitative determination by absorbance measurement at 275 nm. The hRF values for (1) to (3) were 76, 46 and 12, respectively. Linearity ranged between 10-280 ng/zone for (1), 5-45 ng/zone for (2) and 1-20 ng/zone for (3). The intermediate precision was <2 % (n=3). The recovery was between 99.2 and 100.4 %.
Budapest Chromatography Symposium June 13, 1985. Optimization of TLC separation of biologically active acridine glycosides; more than 50 solvent systems and 10 "straight" and reversed-phase layers investigated. Best results with MERCK silica gel and isobutanol - ethanol - water - NH3 55:20:20:5.