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. 34, 217-228 (2021). HPTLC of cordifolioside A (1), 20‑β‑hydroxyecdysone (2) and columbin (3) in stems of Tinospora cordifolia on silica gel with hexane - chloroform - methanol - formic acid 40:40:20:1. Detection by spraying with anisaldehyde‒sulfuric acid reagent. Quantitative determination by absorbance measurement at 254 nm for (1) and (2) and 600 nm for (3). The hRF values for (1) to (3) were 12, 43 and 85, respectively. Linearity was between 750 and 2250 ng/zone for (1) and (2) and 675 and 1875 ng/zone for (3). Intermediate precisions were below 2 % (n=3). The LOD and LOQ were 107 and 324 ng/zone for (1), 41 and 123 ng/zone for (2) and 54 and 163 ng/zone for (3). Recovery was between 99.0 and 101.4 % for (1), 98.1 and 101.6 % for (2) and 98.1 and 98.8 % for (3). Further analysis was performed by electrospray ionization‒tandem mass spectrometry.
J. Planar Chromatogr. 34, 253-261 (2021). HPTLC of emtricitabine (1) and tenofovir alafenamide fumarate (2) on silica gel with ethyl acetate - n-hexane - methanol - ammonia solution 20:20:10:1. Quantitative determination by absorbance measurement at 260 nm. Linearity was between 400 and 2000 ng/zone for (1) and 50 and 250 ng/zone for (2). Intermediate precisions were below 2 % (n=3). The LOD and LOQ were 29 and 87 ng/zone, respectively. Recovery was between 100 and 102 % for (1) and 100 and 103 % for (2).
J. Planar Chromatogr. 34, 271-278 (2021). HPTLC of tedizolid phosphate on silica gel with chloroform - methanol 9:1. Quantitative determination by absorbance measurement at 300 nm. The hRF value for tedizolid phosphate was 46. Linearity was between 10 and 2000 ng/zone. Intermediate precisions were below 2 % (n=6). The LOD and LOQ were 3 and 10 ng/zone. Recovery was between 98.5 and 101.7 %.
J. Planar Chromatogr. 34, 189-195 (2021). HPTLC of tacrolimus on silica gel with acetonitrile - ethyl acetate - glacial acetic acid 60:20:20:1. Detection by spraying with anisaldehyde reagent (0.5 mL of p-anisaldehyde was mixed with 10 mL of glacial acetic acid, 85 mL of methanol and 5 mL of sulfuric acid), followed by heating at 100 °C for 3 min. Quantitative determination by absorbance measurement at 366 nm. The hRF value for tacrolimus was 20. Linearity was between 20 and 140 ng/zone. Intermediate precisions were below 3 % (n=3). The LOD and LOQ were 6 and 17 ng/zone, respectively. Mean recovery was 101.6 %.
J. Planar Chromatogr. 34, 263-270 (2021). HPTLC of quetiapine fumarate (1) and its related genotoxic impurities 2-chloroaniline (2) and 2-aminodiphenylsulide (3) on silica gel with ethyl acetate - ethanol - n-heptane 5:1:4. Quantitative determination by absorbance measurement at 229 nm. The hRF values for (1) to (3) were 13, 57 and 76, respectively. Linearity was between 100 and 600 ng/zone for (1) and 10 and 60 ng/zone for (2) and (3). Intermediate precisions were below 2 %. The LOD and LOQ were 0.9 and 2.8 ng/zone for (1), 0.3 and 0.9 ng/zone for (2) and 0.2 and 0.5 ng/zone for (3), respectively. Recovery of the impurity in quetiapine fumarate ranged between 99 % and 101 %.
J. Planar Chromatogr. 34, 197-202 (2021). HPTLC of L‑proline (1) and L‑lysine (2) derivatives on silica gel with ethanol - toluene 2:3 in a horizontal chamber. Amino acids pre-chromatographic derivatization with 2-propanol - phenyl isothiocyanate - phosphate buffer pH 12 7:1:1. Detection by spraying with a solution of 4 % sodium azide, 0.5 % starch, pH 5.5, followed by exposure to iodine vapor for 20 s. Plates were scanned with an office scanner and the zones were converted to peaks by software. The hRF values for (1) and (2) were 32 and 67, respectively. Intermediate precisions were below 9 % (n=6). The LOD was 0.05 nmol/zone for (1) and 0.05 nmol/zone for (2). Recovery was between 94 and 104 % for (1) and 82 and 104 % for (2).
J. Planar Chromatogr. 34, 229-242 (2021). HPTLC of chlorthalidone (1) and metoprolol succinate (2) on silica gel with toluene - methanol - triethylamine 16:4:1. Quantitative determination by absorbance measurement at 230 nm. The hRF values for (1) and (2) were 44 and 23. Linearity was between 200 and 1000 ng/zone for (1) and 800 and 4000 ng/zone for (2). Intermediate precisions were below 2 %. The LOD and LOQ were 29 and 88 ng/zone for (1) and 151 and 459 ng/zone for (2), respectively. Recovery was between 99.9 and 100.9 % for (1) and 100.4 and 101.6 % for (2).
J. Planar Chromatogr. 34, 279-283 (2021). HPTLC of linagliptin on silica gel with toluene - methanol 7:3. Quantitative determination by absorbance measurement at 294 nm. The hRF value for linagliptin was 91. Linearity was between 100 and 500 ng/zone. Intermediate precisions were below 2 % (n=3). The LOD and LOQ were 0.26 and 0.78 ng/zone, respectively. Recovery was between 99.1 % and 101.2 %.