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
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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.
Research Journal of Pharmaceutical, Biological and Chemical science 2(12), 389-396 (2011). TLC of a polyherbal formulation containing Mucuna pruriens with L-dopa as biological marker on silica gel with n-butanol - water - glacial acetic acid 4:1:1 with chamber saturation for 30 min. Detection by dipping in a 0.5 % solution of ninhydrin in ethanol, followed by heating at 120 °C for 2 min. Quantitative determination of L-dopa by densitometry in absorbance mode at 520 nm. The hRf value of L-dopa was 37. Linearity was given in the range of 600-1400 ng/zone.
Indian drugs 48 (02), 43-47 (2011). TLC of curcumin and 3-acetyl-11-keto-beta-boswellic acid on silica gel with chloroform - methanol 37:3 for curcumin and n-hexane - ethyl acetate 1:1 for boswellic acid derivatives. The hRf value of 3-acetyl-11-keto-beta-boswellic acid was 24 and of curcumin 59. Densitometric evaluation at 430 nm for curcumin and 254 nm for the acid. The method was linear in the range of 100-500 ng/band for curcumin and 1500-4000 ng/band for 3-acetyl-11-keto-beta-boswellic acid.
J. Liq. Chromatogr. Relat. Technol. 34, 902-919 (2011). HPTLC of metformin (1) in combination A with glicazide (2) and in combination B with glimepriride (3), in pharmaceutical formulations on silica gel with ammonium sulfate (0.25 %) - methanol - ethyl acetate 4:1:1. Quantitative determination by absorbance measurement at 235 nm (combination A) and 285 nm (combination B). The hRf values for (1) and (2) were 39 and 66, and for (1) and (3) 32 and 69, respectively. Linearity was 5-25 µg/zone for (1) and 0.8-40 µg/zone for (2) in combination A, and 150-250 µg/zone for (1) and 0.3-0.5 µg/zone for (3) in combination B. In A, LOD and LOQ were found to be 61 and 190 ng/zone for (1), and 40 and 150 ng/zone for (2), respectively. In B, LOD and LOQ were 95 and 205 ng/zone for (1) and 30 and 70 ng/zone for (3). Values for repeatability and intermediate precision studies were below 2 %. Recoveries (by standard addition) ranged between 98.9-100.3 %.
J. Liq. Chromatogr. Relat. Technol. 34, 1783-1799 (2011). HPTLC of isotretinoin in topical formulations on silica gel with toluene - methanol 9:1. Quantitative determination by absorbance measurement at 340 nm. The hRf of glycyrrhizin was 43. Linearity was 100-500 ng/zone. LOD and LOQ were found to be 13 and 42 ng/zone. The intra-day and inter-day precision precisions (n = 5) were 1.8 % and 1.6 %, respectively. Recovery (by standard addition) ranged from 99.1-100.6 %.
J. Planar Chromatogr. 24, 428-434 (2011). HPTLC of 6-benzyl-, 6-methyl-, and 6-propyl-2-thiouracil and spiked urine samples on silica gel with methanol in a horizontal chamber saturated for 15 min at ambient temperature. Detection by spraying with a freshly prepared mixture of 4 % sodium azide and 1 % starch solution adjusted to pH 5.5, followed by exposure to iodine vapor for 5 s. Quantitative evaluation by use of an office scanner at 300 dpi resolution. The images were inverted and stored in the form of 24-bit-true color images, which were analysed by TLSee software. The determination range was 7-16 pmol/zone, 80-160 nmol/mL urine, or 133-266 nmol/mL serum. The recovery was between 93-106 %. The LOQ was 4 pmol/zone for the studied thiouracils in three investigated matrices.
J. Planar Chromatogr. 25, 331-337 (2012). HPTLC of danazol on silica gel with hexane - acetone 3:2. Quantitative determination by absorbance measurement at 291 nm. The hRf value of danazol was 55. Linearity was in the range of 200-1200 ng/zone. Limits of detection and quantification were 1 and 4 ng/zone.
J. Planar Chromatogr. 25, 374-379 (2012). HPTLC of atazanavir sulfate (1) and ritonavir (2) in combined dosage forms on silica gel with toluene - methanol - glacial acetic acid - ethyl acetate 14:1:3:4. Quantitative determination by absorbance measurement at 254 nm. The hRf values for (1) and (2) were 50 and 63, respectively. Linearity was in the range of 30-300 ng/zone for (1) and 10-100 ng/zone for (2). The limit of detection and quantification was 16 and 49 ng/zone for (1) and 18 and 55 ng/zone for (2), respectively. The intermediate/inter-day/intra-day precision was below 0.7 % (n=6). Recovery for (1) and (2) was in the range of 99.6-100.0 %.
Chinese J. of Inform. on TCM 17 (12), 48-50 (2010). Fuyanshuan suppository is a herbal TCM preparation for heat clearing, detoxifying, eliminating stagnation, regulating the flow of vital energy and invigorating the circulation of blood. For quality control TLC of the extracts of the preparation 1) for Ajuga becumbens Thunb., on silica gel with cyclohexane - chloroform – ethyl acetate – glacial acetic acid 40:10:16:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 100 °C, evaluation under UV 366 nm or daylight; 2) for Lonicera japonica, on silica gel with chloroform – acetone – formic acid 3:2:1, detection by exposure to daylight for 10 min and viewing under UV 366 nm.