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. Liq. Chromatogr. Relat. Technol. 35, 28-39 (2012). HPTLC of metformin hydrochloride and glipizide in tablet formulation on silica gel with water - methanol 3:1 + 1 drop ammonia. Quantitative determination by absorbance measurement at 236 nm. The hRf value of compounds (1) and (2) were 22 and 85 and selectivity regarding matrix was given. Linearity was in the range of 5000-25000 ng/band for (1) and 50-250 ng/band for (2). Limits of detection and quantification were 991 and 3003 ng/band for (1) and 10 and 29 ng/band for (2), respectively. Recovery (by standard addition) was between 98.1 and 101.5 % for both (1) and (2).
J. Planar Chromatogr. 25, 150-155 (2012). HPTLC of methocarbamol (1) and its related substance guaifenesin (2) in two ternary mixtures with ibuprofen (3) and diclofenac potassium (4) on silica gel with ethyl acetate - acetone - triethylamine 62:35:6 + 1 drop formic acid. Quantitative determination by absorbance measurement at 222 nm for the first mixture and 278 nm for the second mixture. The hRf values for agents (1) to (4) were 78, 54, 14 and 12, respectively. Linearity was in the range of 2-12 µg/band for (1), 2-10 µg/band for (2), 4-20 µg/band for (3) and 0.2-2.2 µg/band for (4). The intermediate/inter-day/intra-day precision was below 1.5 %. Mean recovery for (1) to (4) was between 100.7 and 100.8 %.
J. Planar Chromatogr. 25, 145-149 (2012). HPTLC of labetalol hydrochloride on silica gel with ethyl acetate - methanol 4:1 + 1 drop ammonia. Quantitative determination by absorbance measurement at 309 nm. The hRf of labetalol was 69. Linearity was in the range of 400-2400 ng/band. The intermediate/interday/intra-day precision was below 2 %. Recovery was in the range of 98.6-100.5 %.
J. Planar Chromatogr. 28, 83-89 (2015). HPTLC of irbesartan in tablets and plasma on silica gel with acetonitrile - chloroform - glacial acetic acid 30:19:1. Detection by exposure to concentrated hydrochloric acid vapor for 10 min. Quantitative determination by fluorescene measurement at 255/>400 nm. The hRF value of irbesartan was 40. Linearity was between 7 and 90 ng/zone. The intermediate intra-day and inter-day precisions were below 2.8 % (n=6). The LOD and LOQ were 2 and 6 ng/zone, respectively. Recoveries were in the range of 96.9-98.6 % in tablets and 95.8-97.4 % in plasma.
J. Liq. Chromatogr. Relat. Technol. 38, 1731-1739 (2015). HPTLC of asenapine maleate in pharmaceutical formulations on silica gel with methanol. Quantitative determination by absorbance measurement at 235 nm. The hRF value for asenapine was 43. Linearity was in the range of 300-1800 ng/zone. LOD and LOQ were 39 and 119 ng/zone, respectively. The intermediate precision was below 0.2 % (n=3). Recovery was in the range of 99-102 %. Results were comparable to those obtained by HPLC.
J. Planar Chromatogr. 29, 462-468 (2016). HPTLC of dantrolene sodium (1) and its process-related impurity 5-(4-nitrophenyl)-2-furaldehyde (2) on silica gel with chloroform – ethyl acetate – glacial acetic acid 1000:500:1. Quantitative determination by absorbance measurement at 380 nm. The hRF values for (1) and (2) were 22 and 83, respectively. Linearity ranged between 100-1500 ng/zone for (1) and 100-2000 ng/zone for (2). The intermediate precisions were below 0.3 % (n=3). The LODs and LOQs were 33 and 99 ng/zone for (1) and 32 and 96 ng/zone for (2), respectively. Average recoveries were 99.5 % for (1) and 100.2 % for (2).
determination of its degradation product – A comparative study
J. Sep. Sci. 1-9 (2017). HPTLC of canagliflozin (1) and its degradation product (2) on silica gel with acetone – ethanol 4:1. Quantitative determination by absorbance measurement at 290 nm. The hRF values for (1) and (2) were 64 and 81, respectively. Linearity was between 0.4 and 3.6 μg/zone for (1) and 0.2 and 3.2 μg/zone for (2). LOD and LOQ were 70 and 200 ng/zone for (2). The intermediate/interday/intra-day precisions were below 2 %. Average recovery was 100.7 % for (1) and 99.4 % for (2).
for the quantifcation of dabigatran etexilate mesylate in the presence of its risky degradation products
J. Planar Chromatogr. 31, 461-468 (2018). HPTLC of dabigatran etexilate mesylate on silica gel with methanol ‒ ethyl acetate ‒ benzene 3:4:4. Quantitative determination by absorbance measurement at 225 nm. The hRF value for dabigatran etexilate mesylate was 82. Linearity was between 0.3 and 3 μg/zone. LOD and LOQ were 0.03 and 0.09 μg/zone. The intermediate precision was <2 % (n=3). Average recovery was 98.9 %.