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:

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      104 243
      Different approaches of impregnation for resolution of enantiomers of atenolol, propranolol and salbutamol using Cu(II)-l-amino acid complexes for ligand exchange on commercial thin-layer chromatographic plates
      R. BHUSHAN*, S. TANWAR (*Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee – 247667, India)

      J. Chromatogr. A 1217(8), 1396-1398 (2010). Sparation of enantiomers of atenolol, propranolol, and salbutamol using different loading/impregnation techniques for the Cu(II) complexes of l-proline, l-phenylalanine, l-histidine, N,N-dimethyl-l-phenylalanine, and l-tryptophan. TLC on silica gel with acetonitrile – methanol – 2 mM aqueous solution of Cu(II) 3:4:5. The different techniques were: A) using the Cu(II)-l-amino acid complex as chiral mobile phase additive, B) development of plates in solutions of Cu-complex, and C) with a solution of Cu(II)acetate as mobile phase additive for plates impregnated with the amino acids. Detection of zones by exposure to iodine vapor.

      Classification: 38
      105 116
      Validation and determination of possible catechins present in Camellia sinensis collected from different place of India
      N. SURYAVAMSA*, S. MANIMARAN, G. ARUN, K. NITHYA, S. DHANBAL, T. PRAVEEN (*J.S.S. College of Pharmacy, Dept of Phytopharma & Phytomedicine, TIFA CORE HD, Mysore, T.N., India)

      International Seminar on Herbal Drug Research, PN-024 (2009). HPTLC of catechins and epicatechin in leaves of tea (Camellia sinensis on silica gel with toluene - ethyl acetate - formic acid 7:5:1. Quantitative determination by absorbance measurement at 254 nm. The leaves were found to contain 10-24 % of total polyphenols.

      Classification: 7, 32e
      106 140
      Validated TLC method for simultaneous quantitation of kutkoside and picroside-I from kutki extract
      P. GAIKWAD, S. BHOPE*, V. KUBER, M. PATIL (*Tulip Laboratories Pvt. Ltd., MIDC Ranjangaon, Pune 412220, India, bshrinivas16@gmail.com)

      Phytochem. Anal. 22, 36-41 (2011). TLC of kutkoside (1) and picroside-I (2) in the kutki extract (Picrorhiza kurroa) on silica gel with ethyl acetate - methanol - glacial acetic acid - formic acid 25:5:1:1. Quantitative determination by absorbance measurement at 265 nm.The hRf of (1) was 42 and of (2) 61. The precision was 0.77 % and 1.01 % for (1) and (2), respectively. Linearity was between 80-480 ng/zone for both substances. Detection and quantification limits were 24 and 79 ng/zone for both. The intra-day and inter-day precisions were 0.4 % and 0.3 % (n=3) respectively. The recovery for (1) was 96.5 % and for (2) 96.0 %, respectively. The results were comparable with those obtained by HPLC.

      Classification: 32e
      107 043
      Quantitative aspects in electrospray ionization ion trap and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry of malto-oligosaccharides
      I. UNTERIESER, J. CUERS, K. VOIGES, J. ENEBRO, Petra MISCHNICK* (*Technische Universität Braunschweig, Institut für Lebensmittelchemie, Schleinitzstr. 20, 38106 Braunschweig, Germany, p.mischnick@tu-braunschweig.de)

      Rapid Commun. Mass Spectrom. 25, 2201-2208 (2011). HPTLC of an equimolar mixture of malto-oligosaccharides, derivatized with p-aminobenzoic acid, on silica gel with acetonitrile – water – acetic acid 8:2:1. Quantitative determination by fluorescence measurement at 366 nm. The relative molar composition of the oligomers, determined by HPTLC, was used as a reference data for mass spectrometric analyses. For both electrospray ionization and matrix-assisted laser desorption/ionization methods, the instrumental parameters significantly influence the signal intensities and areas.

      Classification: 10a
      108 021
      Quantitative analysis of major dibenzocyclooctane lignans in Schisandrae Fructus by online TLC-DART-MS
      H. KIM, M. OH, J. HONG, Y. JANG* (*Kyung Hee East–West Pharmaceutical Research Institute, College of Pharmacy, Kyung Hee University, Seoul 130-701, Korea, ypjang@khu.ac.kr)

      Phytochem. Anal. 22, 258-262 (2011). TLC of gomisin A (1), gomisin N (2) and schisandrin (3) in the fruits of Schisandrae chinensis on silica gel with toluene - ethyl acetate - formic acid 14:6:1. Quantitative determination by direct analysis in real time mass spectrometry (DART-MS). Linearity of (1) - (3) was between 0.5 and 5 nmole. The limits of detection and quantification were 60-200 pmole for (1), and 58-192 pmole for (2) and (3). Recovery (by standard addition) for (1) - (3) was between 104.0 and 120.2 %. TLC-DART-MS method provides faster and more specific quantification compared with the conventional densitometric and HPLC-UV methods.

      Classification: 4e
      109 126
      (Study of the quality standard for Biyuan Pills) (Chinese)
      Z. XIONG (Xiong Ze)*, H. XU (Xu Hongxia), W. SHAO (Shao Wei), B. HU (Hu Bin), M. CHOU (Chou Min) (*Coll. of Chem. & Life Sci., China Three Gorges Univ., Yichang 443002, China; 2 Minkang Pharm. Co., Ltd., Yichang 443002, China)

      J. of China Three Gorges Univ. Natural Sciences 33 (4), 92-95 (2011). TLC of extracts of Biyuan Pills on silica gel 1) for Magnolia liliiflora Desr. with dichloromethane - ethyl acetate 9:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 90 °C until the zones were detected; 2) for Xanthium sibiricum Patr., with chloroform - ethyl acetate - methanol - water - formic acid 3:10:2:2:2, detection by exposure to iodine vapor until the zones were detected; 3) for Lonicera japonica and Chrysanthemum indici flos, with toluene - ethyl acetate - formic acid - glacial acetic acid - water 1:15:1:1:2, detection under UV 365 nm.

      Classification: 32e
      110 175
      (The quality assay of Shenqixinjikang compound oral liquid by thin-layer chromatography) (Chinese)
      M. ZHANG (Zhang Mingzi)*, SH. JU (Ju Shanji), Y. HAN (Han Yingchen) (*Yanbian Autonomous Prefecture Test Inst. of Food & Pharm., Jilin, Yanbian 133001, China)

      J. of China Pharm. 21 (4), 30-31 (2012). Shenqixinjikang compound oral liquid, as a TCM preparation is specially effective for invigorating the circulation of blood, inducing resuscitation, relieving pain, and is prescribed clinically to cure cardiopalmus and angina pectoris. For quality control, TLC of the extracts of the medicine 1) for Rhizoma Polygoni Cuspidati, on silica gel with petroleum ether ( 60-90 ºC) – formyl acetate – formic acid 15:5:1, detection at UV 366 nm; 2) for Leguminosae, on silica gel with n-butanol – acetic acid – water 5:1:4, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C for 5 min followed by evaluation under daylight or UV 366 nm; 3) for Rehmannia, on silica gel with chloroform – methanol – water 14:6:1, detection by spraying with 3 % vanillin in ethanol – sulfuric acid 100:1 and heating at 105 °C followed by evaluation under daylight.

      Classification: 32e
      112 108
      Validated specific densitometric method for simultaneous estimation of telmisartan and atorvastatin in presence of degradation products formed under ICH-recommended stress conditions
      R. THANGAVELU*, S. MAKAPOTHULA, N. GOWDA (*Analytical Research Laboratory, Department of Pharmaceutical Analysis, PES College of Pharmacy, Hanumanthanagar, Rajiv Gandhi University of Health Sciences, Bengaluru-560050, Karnataka, India, nraj_msubaroda@yahoo.co.in)

      J. Planar Chromatogr. 26, 445-451 (2013). HPTLC of telmisartan (1) and atorvastatin (2) on silica gel with methanol - chloroform 1:7. Quantitative determination by absorbance measurement at 280 nm. The hRf values for (1) and (2) were 64 and 27, respectively. Linearity was between 1.2-7.2 µg/zone for (1) and 0.4-2.4 µg/zone for (2). LOD and LOQ were 3 and 8 ng/zone. Recoveries (by standard addition) were 98-101 % for (1) and 99-101 % for (2). Intermediate intra- and inter-day precision was below 2 %. Comparable results were obtained with HPLC and UV methods.

      Classification: 32a