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
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      118 078
      Different chromatographic methods for the simultaneous
      determination of vitamin E and vinpocetine in their combined dosage form and in the presence of the alkaline-induced degradation product of vinpocetine
      M.M. ABDELRAHMAN, N.S. ADBELWAHAB, F.M. SALAMA, A.B. AHMED* (*Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt, amal.badawy@nub.edu.eg)

      J. Planar Chromatogr. 29, 372-379 (2016). HPTLC of vitamin E (1) and vinpocetine (2) in its alkaline-induced degradation product (3) on silica gel with methanol – chloroform – ethyl acetate – glacial acetic acid – ammonia 60:20:20:5:1. Quantitative determination by absorbance measurement at 235 nm. The hRF values for (1) to (3) were 81, 62 and 41, respectively. Linearities were between 0.2-2 µg/zone for (1), 0.1-1.5 µg/zone for (2) and 0.1-1 µg/zone for (3). The intermediate precisions were below 0.7 % (n=3). The LODs and LOQs were 67 and 198 ng/zone for (1), 32 and 98 ng/zone for (2) and 29 and 87 ng/zone for (3). Average recoveries were 99.6 % for (1), 100.0 % for (2) and 99.9 % for (3). The results were statistically compared with those obtained by a HPLC method and no significant differences were found.

      Classification: 32a
      119 022
      Application of an organometallic reagent sodium nitroprusside for the detection of organophosphate insecticide monocrotophos
      A. PATHAN, M. BASEER, S. JUNNE* (*Regional Forensic Science Laboratory, Nanded 431 601, Maharashtra, India, asif.fsl12@gmail.com)

      J. Planar Chromatogr. 30, 216-218 (2017). HPTLC of monocrotophos on silica gel with n-hexane – acetone 4:1. Detection by spraying with freshly prepared sodium nitroprusside reagent (1 % sodium nitroprusside in 2 N sodium hydroxide). The hRF value for monocrotophos was 80.

      Classification: 3e, 29b
      119 053
      Influence of seasonal variation and ultra high temperature processing on lipid profile and fat globule structure of Swedish cow milk
      J. LU (Lu Jing)*, J. PICKOVA, J. VAZQUEZ, M. LANGTON (*Department of Molecular Sciences, Swedish University of Agricultural Sciences, PO Box 7015, SE-75007 Uppsala, Sweden, Jing.lu@slu.se)

      Food Chem. 239, 848-857 (2018). HPTLC of lipids in raw milk on silica gel with n-hexane – diethyl ether – acetic acid 85:15:2. Detection by spraying with phosphomolybdic acid in ethanol. Quantitative determination by absorbance measurement at 650 nm. The identified peaks corresponded to phospholipids, 1,3-diglycerols, 1,2-diglycerols, sterols, free fatty acids and triacylglycerols.

      Classification: 11c
      119 086
      Confirmation of deoxynivalenol presence in Chilean wheat by high-performance thin-layer chromatography-mass spectrometry
      M. VEGA, R. MADARIAGA, M. ARANDA, Gertrud MORLOCK* (*Justus Liebig University Giessen, Institute of Nutritional Science, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany, Gertrud.Morlock@uni-giessen.de)

      J. Chil. Chem. Soc. 62, 3435-3437 (2017). HPTLC of deoxynivalenol in wheat crop samples on silica gel with toluene – ethyl acetate – formic acid 6:3:1. Detection by spraying with 10 % aluminium chloride in ethanol – water 1:1, followed by heating at 120 °C for 10 min. Quantitative determination by fluorescence measurement at UV 366/>400 nm. The identity and purity of zones were confirmed by direct mass spectrometry on the plate using a TLC/MS elution head-based interface. Linearity was between 8-120 ng/zone. LOD and LOQ were 0.05 and 0.19 mg/kg, respectively. Average recovery rate was 90.1 %.

      Classification: 28b
      119 103
      Stability-indicating high-performance liquid chromatography and thin-layer chromatography methods for the determination of cyclobenzaprine hydrochloride and asenapine maleate
      N. RAMADAN, T. MOHAMED, R. FOUAD*, A. MOUSTAFA (*Department of Pharmaceutical Chemistry, National Organization for Drug Control and Research, 9 Abou-Hazem Str., Giza, Egypt, dr_rodi225@yahoo.com)

      J. Planar Chromatogr. 30, 313-322 (2017). HPTLC of cyclobenzaprine hydrochloride (1) and asenapine maleate (2) on silica gel with toluene ‒ methanol ‒ chloroform ‒ ammonia solution 33 % 50:30:60:1. Quantitative determination under UV light at 290 and 220 nm for (1) and (2), respectively. The hRF values for (1) and (2) were 45 and 75, respectively. Linearity was between 5 and 50 μg/zone for (1) and (2). The intermediate precision (n=2) was <2 %. The LOD and LOQ for (1) were 1.3 and 4.4 μg/zone for (1) and 1.2 and 3.9 μg/zone for (2), respectively. Average recovery rate was 99.2 % for (1) and 99.7 % for (2). There were no significant differences between the mean percentage recoveries and the precisions compared with a validated HPLC mehod.

      Classification: 32a
      120 051
      Development of new procedures for the detection and separation of salicylic acid and acetylsalicylic acid using thin-layer chromatography with densitometry
      M. DOLOWY*, A. PYKA (*Department of Analytical Chemistry, School
      of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical
      University of Silesia in Katowice, Poland, mdolowy@sum.edu.pl)

      J. Planar Chromatogr. 30, 363-374 (2017). HPTLC of acetylsalicylic acid (1) and its related compound salicylic acid (2) on silica gel with n-hexane – diethyl ether – 80 % acetic acid 7:2:1. Good quality densitograms with well separated and symmetric peaks of (1) and (2) were achieved. Detection with the following reagents: Janus blue, bromophenol blue, bromocresol blue, hydrogen peroxide (without heating and with heating to 90 °C during 60 min), 1 % sodium hydroxide (with heating to 45 °C and also with heating to 90 °C during 60 min), brilliant green, malachite green, and thymol blue.

      Classification: 11a, 32a
      120 088
      Layer chromatography-bioassays directed screening and identification of antibacterial compounds from Scotch thistle
      Ágnes M. MÓRICZ*, D. KRÜZSELYI, Á. ALBERTI, A. DARCSI, G. HORVÁTH, P. CSONTOS, S. BÉNI, P.G. OTT (*Plant Prot. Inst., Centre for Agric. Res., Hungarian Acad. of Sci., Herman O. Str. 15, 1022 Budapest, Hungary, moricz.agnes@agrar.mta.hu)

      J. Chromatogr. A 1524, 266-272 (2017). Demonstration of the antibacterial profiling of Onopordum acanthium L. leaf extract and subsequent targeted identification of active compounds. Investigation of the extract against eight bacterial strains including two plant and three human pathogens and a soil, a marine and a probiotic human gut bacteria by TLC and off-line overpressured layer chromatography (OPLC) coupled with direct bioautography. Transfer of antibacterial fractions obtaining infusion-transfusion OPLC to HPLC-MS/MS analysis resulted in the characterization of three active compounds, two of them were identified as linoleic and linolenic acid. Adoption of OPLC method to preparative-scale flash chromatography for the isolation of the third active compound, which was identified after a further semi-preparative HPLC purification as the germacranolide, sesquiterpene lactone onopordopicrin. Pure onopordopicrin exhibited antibacterial activity that was specified as minimal inhibitory concentration in the liquid phase as well.

      Classification: 15, 32e
      121 048
      Characterization of E 471 food emulsifiers by high-performance thin-layer chromatography–fluorescence detection
      Claudia OELLIG*, K. BRÄNDLE, W. SCHWACK (*Inst. of Food Chem., Univ. of Hohenheim, Garbenstrasse 28, 70599 Stuttgart, Germany)

      J. Chromatogr. A 1558, 69-76 (2018). Development of an HPTLC method for monoacylglycerols (MAG), diacylglycerols (DAG), triacylglycerols (TAG) and free fatty acids (FFA) in E 471 food emulsifiers, as a simple, rapid, sensitive and convenient screening alternative to HPLC and GC analysis. HPTLC of the samples in t-butyl methyl ether on primuline pre-impregnated LiChrospher silica gel by two-fold development, first with diethyl ether to 18 mm, then with n-pentane – n-hexane – diethyl ether 13:5:7 to 75 mm. Quantitative determination by fluorescence measurement at UV 366/>400 nm, using the cumulative signal for each lipid class and 1,2-distearin for calibration. The amounts of the lipid classes were calculated using response factors and expressed as monostearin, distearin, tristearin and stearic acid. The LOD and LOQ for 1,2-distearin were 1 and 4 ng/zone, respectively. The visual detection by fingerprint enabled an easy characterization and the direct comparison of emulsifiers through the lipid class pattern.

      Classification: 11c
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