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, 309-316 (2019). HPTLC of vildagliptin (1) and metformin (2) in the presence of the toxic metformin impurity melamine (3) on silica gel with methanol - chloroform - formic acid 70:30:3. Quantitative determination by absorbance measurement at 215 nm. The hRF values for (1) to (3) were 78, 18 and 46, respectivley. Linearity ranged 0.2-2.6 µg/zone for (1), 0.4-4.5 µg/zone for (2) and 0.05-1.4 µg/zone for (3). The intermediate precision was below 2 % (n=3). The LOD and LOQ were 53 and 161 ng/mL for (1), 81 and 246 ng/mL for (2) and 15 and 48 ng/mL for (3), respectively. Recovery rate was 100.9 % for (1), 101.5 % for (2) and 99.2 % for (3). The results were compared statistically to the results obtained by a reported RP-HPLC method.
J. Planar Chromatogr. 32, 173-182 (2019). HPTLC of chlorinated metformin samples with genotoxic effect obtained by umu assay (Salmonella typhimurium TA1535/pSK1002 Assay) on silica gel in a gradient development with methanol - formic acid 2000:1, dichloromethane and n-hexane. A TLC-MS interface was used for further analysis by LC-high-resolution mass spectrometry.
J. Planar Chromatogr. 32, 141-147 (2019). HPTLC of sofosbuvir (1) and velpatasvir (2) on silica gel with methylene chloride - methanol - ethyl acetate - 25 % ammonia 5:1:3:1. Quantitative determination by absorbance measurement at 275 nm. The hRF values for (1) and (2) were 28 and 84, respectively. Linearity was between 100 and 2000 ng/zone for both (1) and (2). The intermediate precision was below 2 % (n=3). The LOD and LOQ were 30 and 90 ng/zone for (1) and 28 and 83 ng/zone for (2), respectively. Recovery rate was 100.0 % for (1) and 100.2 % for (2).
J. Planar Chromatogr. 32, 149-156 (2019). HPTLC of ondansetron (1) and pantoprazole (2) in pure forms and normal saline intravenous infusions on silica gel with chloroform - methanol - ethyl acetate 3:1:1. Quantitative determination by absorbance measurement at 302 nm. The hRF values for (1) and (2) were 50 and 73, respectively. Linearity was between 30 and 1000 ng/zone for (1) and 50 and 1000 ng/zone for (2). The intermediate precision was below 2 % (n=3). The LOD and LOQ were 8 and 23 ng/zone for (1) and 16 and 47 ng/zone for (2), respectively. Recovery rate was 99.8 % for (1) and 99.9 % for (2).
J. Planar Chromatogr. 32, 133-140 (2019). HPTLC of granisetron (1), aprepitant (2) and deflazacort (3) in drug products and spiked plasma on silica gel with chloroform - methanol - formic acid 36:3:2. Quantitative determination by absorbance measurement at 200 nm. The hRF values for (1) to (3) were 12, 45 and 58, respectivley. Linearity ranged 0.1-2.0 µg/zone for (1) and (3) and 0.2-4.0 µg/zone for (2). The intermediate precision was below 1.4 % (n=3). The LOD and LOQ were 27 and 82 ng/zone for (1), 48 and 140 ng/zone for (2) and 31 and 94 ng/zone for (3), respectively. Recovery rate was 99.9 % for (1) and (2) and 99.7 % for (3).
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. 20, 335-339 (2007). TLC of etoricoxib (rofecoxib as internal standard) on silica gel in a filter-paper-lined twin-trough chamber previously saturated with mobile phase vapor for 30 min with toluene - 1,4-dioxane - methanol 17:2:1. Densitometric analysis of etoricoxib was performed in absorbance mode at 235 nm. The limits of detection and quantitation were 30 and 100 ng/zone, respectively.
J. Planar Chromatogr. 20, 149-152 (2007). HPTLC of nebivolol hydrochloride on silica gel prewashed with methanol with toluene - ethyl acetate - methanol - formic acid 8:6:4:1 in a saturated twin-trough chamber. Densitometric quantification at 285 and 298 nm.