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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      112 049
      Color and chemical reactions of selected sesquiterpene lactones and ecdysones from Asteraceae on TLC plates
      G. NOWAK*, M. URBANSKA, J. NAWROT, M. BERNARD, R. PAC (*Department of Medicinal and Cosmetic Natural Products, Poznan University of Medical Sciences, Mazowiecka Str. 33, 60-623 Poznan, Poland, gnowak@ump.edu.pl)

      J. Planar Chromatogr. 26, 289-293 (2013). TLC of guaianolides and four other types of sesquiterpenoids, namely germacranolides, seco-pseudoguaianolides, and pseudoguaianolides, as well as two phytoecdysteroids in the aerial parts of Centaurea bella, Dugaldia hoopesii, Inula aschersoniana, Serratula wolffii, Stizolophus balsamita and Zoegea baldschuanica on silica gel with mixtures of methylene chloride and acetone in ratios 8:1, 7:1, 5:1, 3:1, 2:1 and 1:1 for sesquiterpenes and methylene chloride - acetone 1:2 as well as methylene chloride - methanol 5:1 for the separation of ecdysones. Detection by spraying with anisaldehyde reagent (anisaldehyde 0.5 mL; acetic acid 10 mL; methanol 85 mL; sulfuric acid 4.5 mL), followed by heating at 103 ºC for 3 min. The color evaluation allowed for correlation with the presence of substituents on the sesquiterpene ring with high probability.

      Classification: 15a
      112 077
      A rapid validated high-performance thin-layer chromatographic–densitometric method for the simultaneous estimation of different chemical-nature compounds piperine and gallic acid in pharmaceutical dosage forms
      S. DE*, P. NARIYA, N. JIRANKALGIKAR (*RMD Research and Development Center, Waghaldhara, Valsad 396375, India, subratde@gmail.com)

      J. Planar Chromatogr. 26, 325-330 (2013). HPTLC of piperine (1) and gallic acid (2) in pharmaceuticals on silica gel with toluene - ethyl acetate 3:7. Quantitative determination by absorbance measurement at 340 nm for (1) and 254 nm for (2). The hRf values of (1) and (2) were 55 and 19, respectively. Linearity was between 250 and 1250 ng/zone for (1) and 750 and 1750 ng/zone for (2). LOD and LOQ were 10 and 33 ng/zone for (1) and 25 and 83 ng/zone for (2). Recovery (by standard addition) was in the range of 94-103 %. Intermediate intra- and inter-day precision was below 0.7 % (n=3).

      Classification: 32a
      112 097
      Development and validation of an HPTLC–densitometric method for simultaneous analysis of lamivudine, tenofovir disoproxil fumarate, and efavirenz (LTE) in tablets
      B. NYAMWERU, E. KAALE*, V. MUGOYELA, M. CHAMBUSO (*Medicinal Chemistry and Allied Sciences and Pharm R&D Laboratory, School of Pharmacy, Muhimbili University of Health, Tanzania, wariwari@gmail.com)

      J. Planar Chromatogr. 26, 226-231 (2013). HPTLC of lamivudine (1), tenofovir disoproxil fumarate (2), and efavirenz (3) in tablets on silica gel with toluene - methanol 27:6. Quantitative determination by absorbance measurement at 254 nm. The hRf values for compounds (1) to (3) were 12, 16 and 53, respectively. Linearity was in the range of 375-900 ng/zone for (1) and (2) and 750-1800 ng/zone for (3). LOD and LOQ for (3) were 1 and 3 ng/zone. Recovery was in the range of 98.3-102.9 % for (1) to (3). Intermediate/interday/intra-day precision was below 2 % (n=6).

      Classification: 32a
      112 118
      (Study of the method for the quality control of Huaxue Jietonggao ointment by thin-layer chromatography) (Chinese)
      L. XIAO (Xiao Linlin) (Ganzhou Municip. People’s Hosp., Jiangxi, Ganzhou 341000, China)

      Chinese J, Mod. Drug Appl. 6 (22), 129-130 (2012). Huaxue Jietonggao ointment is herbal TCM preparation for the treatment of sprain, contusion, rheumatism, lumbago and back ache. For quality control, TLC on silica gel 1) for Capsicum annuum and the standard capsaicin, with petroleum ether (30-60 °C) – ethanol 9:1, detection under UV 254 nm; 2) for Zingiber officinale Rosc., with petroleum ether (60-90 °C) – ethyl acetate 2:1, detection by spraying with 2 % p-dimethylaminobenzaldehyde in 40 % sulfuric acid in ethanol and heating at 105 °C until the zones are visible in daylight; 3) for Heracleum hemsleyanum, with n-hexane – toluene – ethyl acetate 2:1:1, detection under UV 366 nm.

      Classification: 32e
      113 002
      Influence of the regression technique on the extrapolated retention values of single-point adsorption compounds on silica gel
      L. KOMSTA*, P. SMARDZ, R. PIETRAS, R. SKIBINSKI, A. GUMIENICZEK (*Department
      of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland, lukasz.komsta@umlub.pl)

      J. Planar Chromatogr. 27, 229-232 (2014). TLC of nine compounds with single point adsorption: diphenylamine (1), indol (2), 2-naphtol (3), 1-naphtol (4), 1-naphtylamine (5), 4-toluidine (6), carbazole (7), 4-chloraniline (8), and thymol (9) on silica gel with six modifiers: acetone, dioxane, hexane, isopropanol, methylethylketone, ethyl acetate, and tetrahydrofurane (in hexane), in six concentrations: 5 %, 10 %, 15 %, 20 %, 30 %, and 40 %. Qualitative determination by absorbance measurement at UV 254 nm. Retention values allowed to consider weighted regression with 1/x weights during retention extrapolation.

      Classification: 2c
      113 041
      On-plate identification of amino acids with preliminary separation using green solvents
      A. MOHAMMAD, A. SIDDIQ, A. MOHEMAN, G. EL-DESOKY* (*Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh, India, alimohammad08@gmail.com)

      J. Liq. Chromatogr. Relat. Technol. 37, 829-840 (2014). HPTLC of amino acids such as leucine (1), isoleucine (2), phenylalanine (3), tyrosine (4), alanine (5), lysine (6), proline (7), serine (8), glutamic acid (9), methionine (10), arginine (11), histidine (12) and tryptophan (13) on silica gel with n-butyl acetate – n-butyl alcohol – ethylene glycol 3:5:2. Detection by spraying with ninhydrin (0.3 % in acetone). The hRF values for amino acids (1) to (13) ranged between 9 and 74. The LODs for (5) and (6) were 100 ng/zone and 60 ng/zone, respectively.

      Classification: 18a
      113 065
      (Study of the method for simultaneous identification of three ingredient drugs in Zhibai Dihuang Wan pills by high-performance thin-layer chromatography) (Chinese)
      X. CHEN (Chen Xiangquan) (Fuzhou Municip. Infectious Disease Hosp., Dep. of Pharm., Fujian, Fuzhou 350001, China)

      J. Strait Pharm. 26 (3), 86-87 (2014). Zhibai Dihuang Wan pill is a herbal TCM for treatment of insomnia, dizziness, irritability, spermatorrhea, constipation, dry mouth and sore throat, tinnitus, hectic fever and night sweat, etc. For quality control, HPTLC for simultaneous identification of Alisma plantago-aquatica Linn., Poria cocos (Schw.) Wolf and the standard ursolic acid on silica gel with petroleum ether (60-90 °C) – ethyl formate – formic acid 15:5:1, detection 1) under UV 366 nm, 2) by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C until the zones are visible in daylight and under UV 366 nm. The method was used for the analysis of 18 products manufactured by 17 pharmaceutical companies factories and was found simple, specific, reproducible, robust and well suitable for the purpose.

      Classification: 32e
      113 085
      New report of triterpenoid betulinic acid along with oleanolic acid from Achyranthes aspera by reversed-phase-ultra flow liquid chromatographic analysis and confirmation using high-performance thin-layer chromatographic and fourier transform-infrared spec
      S. PAI*, V.UPADHYA, H. HEDGE, R. JOSHI, S. KHOLKUTE (*Regional Medical Research Centre (RMRC), Indian Council of Medical Research (ICMR), Nehru Nagar, Belgaum, Karnataka 590 010, India, drpaisr@gmail.com)

      J. Planar Chromatogr. 27, 38-41 (2014). HPTLC of betulinic acid in the green leaves of Achyranthes aspera on silica gel with benzene - ethyl acetate - formic acid 679:227:94. Quantitative determination by absorbance measurement at 210 nm. The hRF value for betulinic acid was 80. The method showed comparable results with a validated HPLC method.

      Classification: 32e
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