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. 35, 161-167 (2022). HPTLC of catechin in the seeds of Parkia roxburghiion silica gel with ethyl acetate - acetic acid - formic acid - water 40:4:3:4. Quantitative determination by absorbance measurement at 302 nm. The hRF value for catechin was 61. Interday and intra-day precisions were below 1 % (n=3). The LOD and LOQ were 12 and 37 ng/zone, respectively. Recovery was found in the range of 99.1-99.5 %.
J. Planar Chromatogr. 35, 139-151 (2022). HPTLC of diosgenin in Costus speciosus on silica gel with n-hexane - ethyl acetate 7:2. Detection by spraying with anisaldehyde -sulfuric acid (0.5 mL anisaldehyde in 1 mL of 97 % sulfuric acid), followed by drying at 105 °C. Quantitative determination by absorbance measurement at 440 nm. The hRF value for diosgenin was 23. Linearity was between 0.1 and 0.7 µg/zone. The LOD and LOQ were 0.84 and 2.55 µg/zone.
J. Planar Chromatogr. 35, 117-125 (2022). HPTLC of gallic acid (1), piperine (2),
resveratrol (3), and quercetin (4) in Ayurvedic formulation Drakshavaleha on silica gel with ethyl acetate - toluene - glacial acetic acid - formic acid 10:10:2:1. Quantitative determination by absorbance measurement at 254 and 366 nm. The hRF values for (1) to (4) were 45, 72, 68 and 58, respectively.
J. Planar Chromatogr. 35, 89-95 (2022). HPTLC of epimers (+)‑catechin (1) and (-)‑epicatechin (2) in Onosma bracteatum on silica gel with diisopropyl ether - ethyl acetate - formic acid 90:2:7. Detection by spraying with p-toluenesulfonic acid reagent, followed by heating at 110 °C. Quantitative determination by absorbance measurement at 280 nm. The hRF values for (1) and (2) were 47 and 37, respectively. Linearity was between 1000 and 5000 ng/zone for (1) and (2). Interday and intra-day precisions were below 2 % (n=3). The LOD and LOQ were 284 and 863 ng/zone for (1) and 183 and 611 ng/zone for (2). Average recovery was 98.9 % for (1) and 99.0 % for (2).
J. Planar Chromatogr. 35, 73-81 (2022). HPTLC of omeprazole (1) and its impurity 4‑methoxy‑2‑nitroaniline (1) on silica gel with methanol - n-hexane - ethyl acetate 1:10:11. Quantitative determination by absorbance measurement at 291 and 223 nm for (1) and (2), respectively. The hRF values for (1) and (2) were 25 and 89, respectively. Linearity was between 100 and 500 ng/zone for (1) and 10 and 50 ng/zone for (2). Interday and intra-day precisions were below 1 % (n=3). The LOD and LOQ were 3.2 and 9.8 ng/zone for (1) and 0.41 and 1.25 ng/zone for (2), respectively. Recovery was in the range of 98-102 % for (2).
J. Planar Chromatogr. 35, 13-21 (2022). HPTLC of guggulsterone E (1) and Z (2) in Commiphora mukul on silica gel with toluene - acetone 9:1. Quantitative determination by absorbance measurement at 250 nm. The hRF values for (1) and (2) were 18 and 23, respectively. Linearity was between 60 and 360 ng/zone for (1) and (2).
J. Planar Chromatogr. 35, 61-71 (2022). HPTLC of empagliflozin (1) in the presence of metformin HCl (2) on silica gel with toluene - methanol - ammonia - glacial acetic acid 72:26:1:1. Quantitative determination by absorbance measurement at 230 nm. The hRF values for (1) and (2) were 15 and 48, respectively. Linearity was between 11 and 112 ng/zone for (1) and 85 and 850 ng/zone for (2). Interday and intra-day precisions were below 2 % (n=3). The LOD and LOQ were 0.6 and 1,7 ng/zone for (1) and 5 and 15 ng/zone for (2), respectively. Recovery was found to be in the range of 99.4-101.0 % for (1) and 100.3-101.4 % for (2). Degradation products were characterized by liquid chromatography coupled with electrospray ionization‒quadrupole-time of flight‒tandem mass spectrometry (LC‒ESI‒QTOF‒MS/MS).
J. Planar Chromatogr. 35, 23-33 (2022). HPTLC of 6‑gingerol (1), guggulsterone (2) E and guggulsterone Z (3) on silica gel with toluene - acetone 9:1. Quantitative determination by absorbance measurement at 280 nm. The hRF values for (1) and (2) were 15, 19 and 25, respectively. Linearity was between 100 and 1200 ng/zone for (1) to (3). Interday and intra-day precisions were below 3 % (n=5). The LOD and LOQ were 100 and 400 ng/zone for (1) to (3), respectively. Recovery was between 95.4 and 101.05 %.