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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Registered users can create a tailor made PDF of selected articles throughout CCBS search – simply use the cart icon on the right hand of each abstract to create your individual selection of abstracts. You can export your saved items to PDF by clicking the download icon.

      105 093
      HPTLC separation and quantitative analysis of aspirin, salicylic acid, and sulfosalicylic acid
      H.A. PANAHI*, A. RAHIMI, E. MONIRI, A. IZADI, M. M. PARVIN (*Department of Chemistry, Central Tehran Branch, Islamic Azad University, Tehran, Iran; panahi20002000@yahoo.com)

      J. Planar Chromatogr. 23, 137-140 (2010). HPTLC of aspirin, salicylic acid, and sulfosalicylic acid on silica gel (prewashed with methanol-chloroform 1:1 and impregnated with 2 % boric acid in ethanol) with chloroform - methanol - ammonia - water 120:75:2:6 in a chamber previously saturated at 25 °C for 30 min. Detection and quantitative determination by densitometry at 254 nm. The hRf of aspirin, salicylic acid, and sulfosalicylic acid were 81, 61, and 24, respectively. The linear range was 100-1000 ng/band for all three compounds, and the correlation coefficients r were 0.97, 0.94, and 0.95, respectively. LOQ were 123, 95, and 61 ng/band, respectively, and the respective LOD were 37, 37, and 18 ng/band.

      Classification: 32a
      106 147
      Chromatographic evaluation of the lipophilicity of N-phenyltrichloroacetamide derivatives using micellar TLC and OPLC
      Malgorzata JANICKA*, D. PIETRAS-OZGA (*Faculty of Chemistry, Department of Physical Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland; malgorzata.janicka@poczta.umcs.lublin.pl)

      J. Planar Chromatogr. 23, 396-399 (2010). TLC of 8 newly synthesized N-phenyltrichloroacetamides on RP-18 W with micellar-organic solutions composed of 0.02, 0.04, or 0.06 M Brij 35 (2-dodecoxyethanol, a nonionic surfactant) and tetrahydrofuran 4:1 in saturated sandwich chambers. Detection under UV 254 nm. According to the results obtained from the OPLC studies, especially log km values are excellent descriptors of the lipophilicity of the compounds.

      Classification: 32a
      108 087
      Simultaneous RP-HPTLC method for determination of levodopa, carbidopa, and entacapone in combined tablet dosage form
      D.B. GANDHI, P.J. MEHTA* (*Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, S. G. Highway, Ahmedabad-382481, Gujarat, India; drpritimehta@nirmauni.ac.in)

      J. Planar Chromatogr. 24, 236-241 (2011). HPTLC of levodopa (LEV), carbidopa CAR), and entacapone (ENT) in a combined dosage form on RP-18 (prewashed with methanol) with acetonitrile - n-butanol - water - triethylamine 1:19:2:0.002, pH adjusted to 3.6 with phosphoric acid, in a twin-trough chamber saturated with mobile phase for 25 min. Quantitative determination by densitometry in absorbance mode at 282 nm. The hRf values were 46, 64, and 87 for LEV, CAR, and ENT, respectively. Linearity was between 300-1500 ng/zone for LEV, 200-1000 ng/zone for CAR, and 200-2000 ng/zone for ENT. The intra-day and inter-day precision was below 1.8 % RSD for all drugs. The recovery for LEV, CAR, and ENT (n = 3) was between 101.0 and 102.4 %.

      Classification: 32a
      109 079
      Application of a stability-indicating TLC method for the quantitative determination of dexketoprofen trometamol in pharmaceutical dosage forms
      V. BHUSARI, S. DHANESHWAR* (*Department of Pharmaceutical Chemistry, Bharati Vidyapeeth University, Poona College of Pharmacy, Pune, Maharashtra 411038, India, sunil.dhaneshwar@gmail.com)

      J. Liq. Chromatogr. Relat. Technol. 34, 2606-2620 (2011). HPTLC of dexketoprofen trometamol in pharmaceutical formulations on silica gel with toluene - ethyl acetate 3:1 + 1 drop glacial acetic acid. Quantitative determination by absorbance measurement at 255 nm. The hRf of 1 was 45. Linearity was 20-120 ng/zone. LOD and LOQ were found to be 5 and 10 ng/zone. Repeatability and intermediate precision (%RSD, n = 6) were below 2 %. Recovery (by standard addition) ranged between 98.8 and 99.3 %. The HPTLC method was suitable to determine the purity of the drug available from various sources by detecting the related impurities.

      Classification: 32a
      109 120
      Identification and quantitative determination of nabumetone in pharmaceutical preparations by TLC-densitometry
      Malgorzata STAREK*, S. LASKAWSKI, M. DABROWSKA (*Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Collegium Medicum, Jagiellonian University, Medyczna 9, Kraków, Poland; mstarek@cm-uj.krakow.pl)

      J. Planar Chromatogr. 24, 513-519 (2011). TLC of nabumetone (4-(6-methoxy-2-naphthyl)butan-2-one) on silica gel with n-hexane - chloroform - glacial acetic acid 4:1:1 with chamber saturation for 15 min. Quantitative determination by densitometry in absorbance mode at 270 and 330 nm. LOD and LOQ ranged from 0.23-1.00 µg/band. The recovery was between 98.9-101.7 % (at measurement wavelength 270 nm) and 99.6-101.7 % (at measurement wavelength 330 nm). The precision (%RSD) was below 2 % for all concentration levels. Linearity was between 0.3-3.5 µg/band. The hRf value was 72.

      Classification: 32a
      110 125
      A simple and sensitive HPTLC method for simultaneous analysis of tolperisone hydrochloride and etodolac in combined fixed-dose oral solid formulation
      M. PATEL*, A. PATEL, C. PATEL, R. BADMANABAN (*Quality Assurance Department, Shree Sarvajanik Pharmacy College, Nr. Arvind Baug, Mehsana, Gujarat 384001, India, mitpatel23@gmail.com)

      J. Planar Chromatogr. 25, 85-88 (2012). HPTLC of tolperisone hydrochloride (1) and etodolac (2) in combined dosage form on silica gel with toluene - ethylacetate - ethanol 12:3:5. Quantitative determination by absorbance measurement at 260 nm. The hRf of (1) and (2) were 40 and 58, respectively. Linearity was in the range of 75-450 ng/band for (1) and 200-1200 ng/band for (2). Limits of detection and quantification were 1 and 4 ng/band for (1) and 2 and 5 ng/band for (2), respectively. The intermediate/inter-day/intra-day precision was below 2 % (n=3). Recovery was between 98.1 and 100.9 %.

      Classification: 32a
      111 067
      Development of HPTLC method for the estimation of antidepressant drugs melitracen and flupentixol in their combined dosage form
      U. CHHALOTIYA*, K. BHATT, D. SHAH, S. NAGDA, J. PATEL (*Indukaka Ipcowala College of Pharmacy, Beyond GIDC, P.B. No. 53, Vitthal Udyognagar- 388 121, Gujarat, India, usmangani84@gmail.com)

      J. Liq. Chromatogr. Relat. Technol. 36, 1231-1242 (2013). HPTLC of melitracen (1) and flupentixol (2) in combined dosage form on silica gel with methanol - toluene 4:1+1 drop ammonia. Quantitative determination by absorbance measurement at 270 nm. The hRf values of (1) and (2) were 79 and 88, respectively. Linearity was in the range of 1000-8000 ng/zone for (1) and 50-400 ng/zone for (2). LOD and LOQ were 225 and 683 ng/zone for (1) and 4.7 and 14.1 ng/zone for (2). Intermediate precision was below 3.6 %. Recovery (by standard addition) for (1) and (2) was in the range of 98.6-102.1 % and 97.8-101.8 %, respectively.

      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