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
- Keyword register: select an initial character and browse associated keywords
- 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. 32, 127-131 (2019). HPTLC of paracetamol (1), chlorpheniramine maleate (2) and pseudoephedrine (3) on silica gel with methanol - toluene - acetic acid 44:16:1. Quantitative determination by absorbance measurement at 254 nm. The hRF values for (1) to (3) were 81, 10 and 71, respectively. Linearity was between 50-600 µg/zone for (1), 1-30 µg/zone for (2) and 10-35 µg/zone for (3). The intermediate precision was below 2 % (n=3). The LOD and LOQ were 20 and 49 µg/zone for (1) [Editor´s note: LOD should be <200 ng/zone.], 0.07 and 0.43 µg/zone for (2) and 0.31 and 0.96 µg/zone for (3), respectively. Recovery rate was 99.7 % for (1), 101.6 % for (2) and 99.7 % for (3).
J. Planar Chromatogr. 32, 121-126 (2019). HPTLC of quercetin (1), rutin (2), and
gallic acid (3) in the aerial parts of Amaranthus tricolor on silica gel with toluene - ethyl acetate - formic acid 7:5:1. Quantitative determination by absorbance measurement at 254 nm. The hRF values for (1) to (3) were 49, 14 and 28, respectively. Linearity was between 200-800 ng for (1), 200-500 ng for (2) and 200-600 ng for (3). The intermediate precision was below 1 % (n=6). The LOD and LOQ were 22 and 68 ng/zone for (1), 14 and 55 ng/zone for (2) and 16 and 52 ng/zone for (3), respectively. Recovery was between 99.0 and 99.9 % for (1), 98.4 and 99.3 % for (2) and 99.1 and 99.8 % for (3).
J. Planar Chromatogr. 32, 31-39 (2019). HPTLC of quercetin in the roots of Phoenix sylvestris on silica gel with toluene - ethyl acetate - formic acid 5:4:1. Quantitative determination by absorbance measurement at 254 nm. The hRF value of quercetin was 39. Linearity was between 50 and 250 ng/zone. The intermediate precision was below 2 % (n=5). The LOD and LOQ were 21 and 44 ng/zone, respectively. Recovery rate was 99.4 %.
J. Planar Chromatogr. 32, 13-24 (2019). HPTLC of three omega-3 fatty acids, namely docosahexaenoic (1), eicosapentaenoic (2) and alpha-linolenic (3) on silica gel (activated by immersion in a 10 % silver nitrate solution in acetonitrile for 30 min, followed by drying at 60 °C for 30 min) with toluene - n-propanol - glacial acetic acid 200:20:1. Detection by exposure to iodine vapor for 60 min. Quantitative determination by absorbance measurement at 520 nm. The hRF values of (1) to (3) were 15, 26 and 57, respectively. The intermediate precision was below 2 % (n=10). The LOD and LOQ were 174 and 539 mg/mL for (1), 197 and 597 mg/mL for (2) and 201 and 609 mg/mL for (3), respectively. Average recovery for (1) to (3) was between 96.6 and 103.2 %.
J. Planar Chromatogr. 32, 47-50 (2019). HPTLC of morphine hydrochloride in the Ayurvedic formulation "Kamini Vidrawan Ras" on silica gel with ethyl acetate - methanol - ammonia solution 17:2:1. Quantitative determination by absorbance measurement at 280 nm. The hRF value of morphine was 36. Linearity was between 0.4 and 1.2 µg/mL. The intermediate precision was below 1 % (n=6). The LOD and LOQ for morphine were 0.5 and 1.5 µg/mL, respectively. Recovery rate was 100.0 %. Results were comparable to a validated HPLC method.
J. Planar Chromatogr. 32, 59-60 (2019). TLC of p-phenylenediamine on silica gel with ethyl acetate - diethyl ether 1:1. Detection by spraying with aqueous alkaline solution of Folin’s reagent (0.5 % Folin’s reagent in 5 % sodium carbonate solution). The hRF value of p-phenylenediamine was 45. The LOD for p-phenylenediamine was approximately 3 μg by visual evaluation.
J. Planar Chromatogr. 32, 65-68 (2019). HPTLC of endosulfan in biological samples (pieces of stomach, intestine, liver, spleen, kidney, and lungs) on silica gel with hexane - acetone 4:1. Detection by spraying with a 10 % sodium hydroxide solution and then with diphenylamine reagent (2 g diphenylamine in 20 mL glacial acetic acid and 20 mL ethyl acetate), following by exposure to sunlight for 10 min. The hRF values of the endosulfan coordination complex (alpha and beta isomers) were 66 and 85. Zones were stable for 8 to 10 days.
J. Planar Chromatogr. 32, 7-12 (2019). HPTLC of (RS)-mexiletine on RP-18 plates impregnated with 0.03 mM bovine serum albumin as chiral additive with acetonitrile - dichloromethane - methanol 1:1:1. Detection by exposure to iodine vapors. Resolution was 2.3 for the HPTLC method and 1.9 using an HPLC method. The HPTLC analysis took nearly 7 min, whereas HPLC took nearly 265 min to get the results.