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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      103 038
      TLC and GC-MS identification of glucose and maltose in Biomphalaria glabrata (Gastropoda), and use of Quantitative TLC to determine the Effect of Starvation on the amounts of these Carbohydrates
      D. CLINE, B. FRIED, J. SHERMA* (*Department of Chemistry, Lafayette College, Easton, PA 18042, USA)

      Acta Chromatographica 9, 79-86 (1999). HPTLC (TLC) of glucose, maltose, sucrose and trehalose on silica gel with acetonitrile - water 17:3 and ethyl acetate – acetic acid – methanol – water 12:3:3:2 for three times with chamber saturation; on amino plates with ethyl acetate – pyridine – water – acetic acid 12:6:2:1 and on cellulose plates with ethyl acetate – pyridine – water 2:1:2, both in a non-equilibrated chamber; on RP-18 with tetrahydrofuran – water 44:6 in a pre-equilibrated chamber. All plates were prewashed, e.g. by chromatography with dichloromethane - methanol 1:1. Detection by 4-aminobenzoic acid reagent, 1-naphthol–sulfuric acid reagent or aniline–DPA reagent, each followed by heating at 110 °C for 10 min. The combined results from comparison of hRf values for two different mobile phases on silica gel, on cellulose, amino phase and C18-bonded layers with diverse separation mechanisms, spiking experiments on silica gel, detection with selective reagents, and GC–MS analysis definitely proved the presence of maltose and glucose and the absence of trehalose in digestive gland–gonad complex and hemolymph samples from B. glabrata. Earlier papers reporting the presence of trehalose were undoubtedly in error.

      Classification: 10a
      104 234
      Iridoid glycoside-based quantitative chromatographic fingerprint analysis
      A. YADAV*, N. TIWARI, P. SRIVASTAVA, S. SINGH, K. SHANKER, R. VERMA, M. GUPTA (*Analytical Chemistry Div. Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India, guptammg@rediffmail.com)

      J. Pharm. Biomed. Anal. 47, 841-846 (2008). HPTLC of iridoid glycosides in the aerial part of Gambhari (Gmelina arborea) with iridoid gycoside 6-0-(2”, 3”- dibenzoyl)-o-L-rhamnopyranosylcatalpol as a chemical marker for the standardization of G. arborea plant extracts on silica gel with chloroform - methanol 4:1. Quantitative determination by absorbance measurement at 240 nm and at 430 nm after derivatization with vanillin - sulfuric acid reagent. The linear working range was between 1000-5000 ng/spot with a good correlation coefficient of 0.994.

      Classification: 32e
      106 159
      Heavy metal analysis of various parts of Ficus mollis (vahl) by HPTLC
      S. MUNNA*, K. JAYAVEERA, C. CHETTY, K. GNANAPRAKASH, K. ADINARAYANA (*Annamacharya College of Pharmacy, Rajampet, A.P., India, sreenivasulu_munna@yahoo.com)

      International Journal of ChemTech Research 2(2), 807-812 (2010). Chloroform and ethyl acetate extracts of leaves and bark of Ficus mollis (Moraceae) were subjected to TLC fingerprint profiling on silica gel with toluene - ethyl acetate - formic acid 16:2:1. Evaluation under UV 254 nm. Derivatization with vanillin-sulfuric acid reagent, followed by heating at 105 °C until colorization. In the bark 7 well-defined zones were observed, whereas in leaves 10 zones were observed. Heavy metal and mineral analysis was performed by atomic absorption spectroscopy.

      Classification: 32e
      111 013
      Identification of amino acids with modified ninhydrin reagents on thin-layer chromatography plates
      A. SINHABABU*, B. KUMAR, H. DEY, S. LASKAR (*Natural Products Laboratory, Department of Chemistry (UGC-CAS), The University of Burdwan, Burdwan 713104, West Bengal, India, sinhababu04@yahoo.co.in)

      J. Planar Chromatogr. 26, 26-30 (2013). Four new spray reagents for the detection of amino acids were introduced: (1) 0.25 % solution of benzoic acid in ethanol, (2) 0.1 % solution of p-fluorobenzoic acid in ethanol, (3) 0.1% solution of p-chlorobenzoic acid in ethanol and (4) 0.05 % solution of p-iodobenzoic acid in ethanol. Depending on the different amino acids tested the LOD on silica gel was in the range of 0.1-1.0 µg for all four reagents. For example for cysteine the LOD was 0.1 µg with reagents (1), (3), and (4), and 0.2 µg with reagent (2).

      Classification: 3e, 18
      112 069
      Specific spray reagent for the detection and identification of endosulfan by thin-layer chromatography
      B. MALI (Regional Forensic Science Laboratory, State of Maharashtra, Cantonment, Aurangabad – 431 002, India, malibdm@yahoo.co.in)

      J. Planar Chromatogr. 26, 508-509 (2013). TLC of endosulfan on silica gel with n-hexane - acetone 4:1. Detection by spraying with sodium hydroxide followed by fuchsin (1) or malachite green (2) reagents (50 mg in 100 mL water), followed by exposure to bromine gas for 3-5 min. The hRf values of endosulfan detected by (1) and (2) were 50 and 80, respectively.

      Classification: 29a
      117 062
      Kiamycin, a unique cytotoxic angucyclinone derivative from a marine Streptomyces sp
      Z. XIE, B. LIU, H. WANG, S. YANG, H. ZHANG, Y. WANG, N. JI, S QIN*, H. LAATSCH** (*Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China; **Institute of Organic and Biomolecular Chemistry, University of Göttingen, 37077 Göttingen, Germany; *sqin@yic.ac.cn; **hlaatsc@gwdg.de)

      Marine Drugs 10(3), 551-558 (2012). For two fractions of an ethyl acetate extract of the broth of marine Streptomyces sp. strain M268, preparative TLC on silica gel with dichloromethane – methanol 49:1 for the isolation of three angucyclinones: 8-O-methyltetrangomycin, 8-O-methylrabelomycin and the new cytotoxic kiamycin (which possesses a 1,12-epoxybenz[a]anthracene structure). For further control, TLC of these substances on silica gel with dichloromethane – methanol 17:1, detection by spraying with 5 % sulfuric acid in methanol. The hRF values were 30, 30 and 40, respectively. _x000D_

      Classification: 8b, 9
      118 029
      New sulphated flavonoids from Tamarix africana and biological activities of its polar extract
      M. KARKER, Nunziatina DE TOMMASI, A. SMAOUI, C. ABDELLY, R. KSOURI, Alessandra BRACA* (*Department of Pharmacy, University of Pisa, 56126 Pisa, Italy; alessandra.braca@unipi.it)

      Planta Medica 82 (15), 1374-1380 (2016). To monitor the subfractionation with methanol on cyclodextrin of a butanol fraction of a methanolic Soxhlet extract of Tamaris Africana shoots, TLC on silica gel with n-butanol – acetic acid – water 12:3:5 and chloroform – methanol – water 70:30:3. Chromatograms were derivatized with Natural Product/PEG reagent and with cerium sulfate sulfuric acid reagent. From the obtained subfractions, flavonoids (three sulfated) and phenolic compounds (ferulic and veratric acid derivatives) could be further isolated.

      Classification: 7, 8a, 24, 32e
      120 047
      Dextrin profiles of starch digested with
      different amylases
      G. BAEYENS*, Marie-Pierre LEJEUNE (*Lesaffre International, 147 rue Gabriel Péri, 59700 Marcq-en-Baroeul, France, bsg@lesaffre.fr)

      CBS 117, 5-7 (2016). HPTLC of amylase-produced dextrins and standards glucose, maltose, maltotriose, maltotetrose, maltopentose, maltohexose, and maltoheptose on silica gel with acetonitrile – acetone – water 3:3:2 with chamber saturation to a migration distance of 60 mm. Detection by immersion into aniline-diphenylamine-phosphoric acid reagent (2 g diphenylamine and 2 mL aniline in 80 mL methanol in 10 mL 85 % phosphoric acid, made up to 100 mL with methanol) followed by heating at 120 °C for 5 min. Evaluation under white light. Quantitative determination by absorbance measurement at 500 nm. Evaluation in the polynomial working range of 40-210 ng/band.

      Classification: 10a