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
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J. Planar Chromatogr. 30, 423-426 (2017). 2D-HPTLC of phytoestrogenic active compounds in the root of Glycyrrhiza glabra on RP-18 with hexane – ethyl acetate – acetone 9:3:2 in the first direction and acetone – water 3:2 in the second direction. Effect-direct analysis by dipping into a yeast suspension followed by incubation at 30 °C for 4 h, drying at 37 °C for 15 min and spraying with the combined reaction buffer C (20 mL reaction buffer C is mixed with 0.2 mL of a freshly prepared solution of 0.05 g/mL 4-methylumbelliferyl-ß-D-galactopyranoside in DMSO or 0.2 mL of a freshly prepared solution of 0.05 g/mL 5-bromo-4-chloro-3-indoxyl-ß-D-galactopyranoside (X-Gal) in DMSO). Fluorescence detection at UV 366 nm._x000D_
– a botanical source of the Ayurvedic drug Jivanti. J. Planar Chromatogr. 31, 150-154 (2018). HPTLC of β-sitosterol (1), lupeol (2), and oleanolic acid (3) in Leptadenia pyrotechnica with toluene – ethyl acetate 9:4 for (1); toluene – ethyl acetate – formic acid 70:30:3 for (2), and toluene – methanol – formic acid 45:20:1 for (3). Detection by spraying with freshly prepared p-anisaldehyde sulfuric acid reagent, followed by heating at 110 °C for 3 min. Quantitative determination by absorbance measurement at 530 and 540 nm. The hRf values for (1) to (3) were 64, 84 and 47, respectively. Linearity was in the range of 2-10 μg/zone for (1) to (3). The intermediate precision was below 0.6 %. The LOD and LOQ were 410 and 1270 ng/zone for (1), 550 and 1680 ng/zone for (2) and 300 and 920 ng/zone for (3), respectively. Average recovery for (1) to (3) was 99 %.
thin-layer chromatography method for the simultaneous determination of apigenin and luteolin in Hygrophila spinosa T
Anders. J. Planar Chromatogr. 31, 437-443 (2018). HPTLC of apigenin (1) and luteolin (2) in Hygrophila spinosa on silica gel with toluene – ethyl acetate – formic acid 6:4:1. Quantitative determination by absorbance measurement at 349 nm. The hRF values for (1) and (2) were 64 and 54, respectively. Linearity ranged between 80-560 ng/zone for (1) and 40-280 ng/zone for (2). LOD and LOQ were 6 and 19 ng/zone for (1) and 2 and 7 ng/zone for (2), respectively. The intermediate precision was <3 % (n=3). Recovery was between 99.3 and 100.5 % for (1) and 99.5 and 100.8 % for (2).
Acta Pharm. Sinica 25, 49-51 (1990). TLC of the active ingredients in Schisandra kernels on silica with toluene – ethyl acetate 9:1 and 4:6. Detection under UV. Quantification by densitometry (absorbance) at 260 nm.
J. Chinese Trad. Patent Med., (Zhongchengyao) 10, 862-864 (2004) .TLC on silica gel with cyclo hexane - chloroform - water 65:35:2. Detection by iodine vapor and under UV 254 nm. Identification by standard comparison. Quantitative determination by densitometry at 254 nm. Validation of the procedure by investigation of its linearity range, interference with impurities, precision, reproducibility and recovery.
J. Chinese Trad. Patent Med. (Zhongchengyao) 11, 882-884 (2004). TLC on silica gel with 1) chloroform - methanol - conc. ammonia 80:4:1, 2) benzene - ethyl acetate 20:1, 3) chloroform - methanol - water 13:6:2, 4) ethyl acetate - formic acid - water 10:1:1. Detection 1) by spraying with 5 % solution of potassium iodobismuthate, 2) by spraying with 10 % H2SO4 in ethanol and heating at 105 ºC, 3) by spraying with 10 % H2SO4 in ethanol, heating at 105 ºC and under UV 365 nm, or under 254 nm. Identification by fingerprint techniques. Quantitative determination of matrine by densitometry at 520 nm. Validation of the quantitative method by investigation of its linearity range, reproducibility, repeatability, recovery.
J. Planar Chromatogr. 17, 14-17 (2004). HPTLC of oxindole alkaloids on silica gel, Diol-, CN-, NH2-, and RP-18-phases. Normal-phase TLC with 1) ethyl acetate - methanol - water 200:27:20; 2) ethyl acetate - methanol - water - acetic acid 100:2.7:5:3; 3) ethyl acetate - methanol - water - formic acid 100:2.7:5:3; 4) ethyl acetate - isopropanol - ammonia 100:2:1. RP TLC with water - methanol 7:3 containing 0.25 % ammonia; development in horizontal chamber (sandwich configuration) at room temperature. Two-dimensional TLC with mobile phase 2 in the first direction and, after drying, with mobile phase 3 in the second direction. Evaluation under UV 254 nm and after derivatization with iodine reagent or with Dragendorff reagent. TLC separations were documented by scanning. Silica and cyanopropyl layers with acidic aqueous mobile phases gave the best separation.
Chinese J. Trad. Patent Med. (Zhongchengyao) 26 (7), 544-547 (2004). TLC of Quzhi capsule extracts on silica gel with 1) toluene - chloroform - acetone 8:15:5; 2) petroleum ether (60-90 ºC) - ethyl acetate 20:1. Detection 1) by exposing to ammonia vapors and under UV 365 nm; 2) by spraying with p-dimethylaminobenzaldehyde in 10 % H2SO4 - ethanol solution followed by heating. Identification by fingerprint technique. Quantification of chrysophanol by HPLC. Discussion of applying the procedures for the quality control of the medicine.