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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Chromatographi 68 (1-2), 129-133 (2008). Description of a simple, rapid, specific and sensitive method for the quantitative estimation of mevalonic acid in leaves of Artemisia annua, Psorelia corylifolia, Vinca rosea, Withania somnifera and Barleria proinites. TLC of leaf extracts on silica gel with benzene - acetone 3:2 which involved conversion of mevalonic acid to its lactone, mevalonolactone. Detection by treatment with anisaldeyde reagent. Quantitative determination of mevalonolactone by absorbance measurement at 600 nm. Linearity was between 100 and 500 ng per spot. Recovery (by standard addition) was higher than 98 % for mevalonolactone. The limit of detection was 50 ng per spot.
CBS 99, 9-11 (2007). HPTLC of petrochemical samples on silica gel pre- or post-chromatographically impregnated by dipping in methanolic berberine (60 mg/L) or coralyne (6 or 12 mg/L) solutions. Development in horizontal developing chamber with dichloromethane (saturated hydrocarbons), n-hexane (heavy gas oil), or petroleum ether - diethyl ether - acetic acid 80:20:1 (cholesterol). Quantitative determination by fluorescence measurement of berberine at 365/>450 nm and coralyne at 410/>450 nm. Linearity for alkenes was between 50 and 1500 ng and for naphtenes between 600 and 2400 ng.
J. Liq. Chromatogr. Relat. Technol. 30, 2329-2335 (2007). HPTLC of sterols and fatty acids on silica gel (prewashed with methanol) with petroleum ether (36-60 °C) - diethyl ether - acetic acid 80:20:1 in a twin-trough chamber with chamber saturation. Detection by spraying with a 5 % ethanolic phosphomolybdic acid solution followed by heating at 110 °C for 10 min. Quantitative determination by absorbance measurement in the visible range.
Part I. Nicotinic acid and its amides. J. Liq. Chromatogr. Relat. Technol. 30, 2317-2327 (2007). TLC and HPTLC of nicotinic acid, nicotinamide, N-methylnicotinamide, and N,N-diethylnicotinamide on RP-18 with methanol - water 3:7, and dioxane - water 1:4 and 1:9. The best separation was achieved on alumina with acetone - n-hexane 1:1. Detection under UV light at 254 nm. Quantitative determination by absorbance measurement at 254 nm.
J. Sep. Sci. 31, 3537-3542 (2008). After solid phase extraction of water samples HPTLC of clofentezine (1), neburon (2), chlorfenvinphos (3), lenacyl (4), trifluralin (5), thiram (6), procymidone (7), flufenoxuron (8), tralkoxydim (9), propaquizafop (10), and dinoseb (11) on silica gel with ethyl acetate – n-heptane 2:8, 3:7, 4:6, or 7:3 as mobile phase. Quantitative determination by absorbance measurement between 200 and 600 nm. Selectivity regarding matrix was given. Linearity was 0.1-1.5 µg/spot for (1), 0.2-1.0 µg/spot for (2), 0.5-1.0 µg/spot for (3), 0.2-1.0 µg/spot for (4), 0.3-9.0 µg/spot for (5), 0.2-1.0 µg/spot for (6), 2.0-11.0 µg/spot for (7), 0.1-2.0 µg/spot for (8), 0.3-1.0 µg/spot for (9), 0.1-1.0 µg/spot for (10), and 0.2-1.0 µg/spot for (11). The limits of detection and quantification were 0.23 and 0.70 µg/spot for (1), 0.06 and 0.18 µg/spot for (2), 0.16 and 0.49 µg/spot for (3), 0.04 and 0.12 µg/spot for (4), 0.06 and 0.18 µg/spot for (5), 0.16 and 0.49 µg/spot for (6), 0.65 and 1.92 µg/spot for (7), 0.10 and 0.31 µg/spot for (8), 0.07 and 0.22 µg/spot for (9), 0.06 and 0.17 µg/spot for (10), and 0.08 and 0.24 µg/spot for (11). The optimal wavelenght for quantification was 278 nm for (1), 249 nm for (2), 247 nm for (3), 273 nm for (4), 277 nm for (5), 281 nm for (6), 208 nm for (7), 268 nm for (8), 284 nm for (9), 245 nm for (10), and 366 nm for (11). Advantages of the technique over the HPLC method are highlighted.
Asian J. Chem. 20(6), 4940-4942 (2008). HPTLC of paracetamol and tramadol hydrochloride on silica gel with ethyl acetate - toluene - ammonia 60:40:1. Absorbance measurement at 254 nm. The method was linear in the range of 0.1-0.5 µg/mL and 0.9-4.5 µg/mL for tramadol and paracetamol respectively. The recovery was 98.4-99.9 % for both compounds. The method was suitable for routine analysis.
60th Indian Phamaceutical Congress PA-132, (2008). HPTLC of lamivudine and zidovudine on silica gel with acetone - methanol - toluene 2:1:2. Quantitative determination by absorbance measurement at 273 nm. The method was suitable for routine quality control of both drugs in combined dosage form.
J. Liq. Chromatogr. Relat. Technol. 31, 1204-1212 (2008). HPTLC of mirtazapine (1,2,3,4,10,14b-hexahydro-2-methyl-pyrazino[2,3-c][2-benzazepine]), and three impurities (2-(4-methyl-2-phenyl-piperazin-1-yl)nicotinic acid, [2-(4-methyl-2-phenyl-piperazinyl)-pyridin-3-yl]methanol, and 2-chloronicotinic acid on silica gel with toluene - acetone - methanol 6:2:2 with chamber saturation. Quantitative determination by absorbance measurement at 285 nm. The limit of detection and quantification for mirtazapine was 22 and 75 ng/spot, respectively.