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
  • Search by CBS edition: Select a CBS edition and find all related publications

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.

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      109 083
      Validated HPTLC method for simultaneous analysis of alfuzosin hydrochloride and dutasteride in a pharmaceutical dosage form
      S.S. DESHMUKH, V.V. MUSALE, V.K. BHUSARI, S.R. DHANESHWAR* (*Department of Pharmaceutical Chemistry, Bharati Vidyapeeth University, Poona College of Pharmacy, Pune, Maharashtra, India 411038; sunildhaneshwar@gmail.com)

      J. Planar Chromatogr. 24, 218-221 (2011). HPTLC of alfuzosin hydrochloride (ALF) and dutasteride (DUTA) in the bulk drug and in a tablet formulation on silica gel with toluene - methanol - dichloromethane 6:1:1 + 1 drop triethylamine. Quantitative determination by densitometry at 247 nm. The hRf of ALF was 46 and of DUTA 65. Linearity was between 300-600 ng/band for ALF and 500-100 ng/band for DUTA. LOD and LOQ were 100 and 200 ng/band for ALF and 300 and 400 ng/band for DUTA. Precisions (%RSD) for repeatability of application were 1.8 and 1.5 % for ALF and 1.5 and 1.4 % for DUTA. The inter-day and intra-day precision (%RSD, n = 6) was 1.0 and 0.9 % for ALF and 1.7 and 0.8 % for DUTA, respectively. Recovery (by standard addition) was between 98.9-101.6 % for both compounds.

      Classification: 32a
      109 123
      Quantitative simultaneous determination of amlodipine, valsartan, and hydrochlorotiazide in “exforge hct” tablets using high-performance liquid chromatography and high-performance thin-layer chromatography
      S. VARGHESE*, T. KOCHUPAPPY (*Department of Pharmaceutical Analysis, College of Pharmacy, Sri Ramakrishna Institute of Paramedical Sciences, Coimbatore 641 044, Tamil Nadu, India, susheeljv@yahoo.com)

      J. Liq. Chromatogr. Relat. Technol. 34, 981-994 (2011). HPTLC of amlodipine (1), valsartan (2), and hydrochlorotiazide (3) in tablets on silica gel with chloroform - glacial acetic acid - n-butyl acetate 4:2:1. Quantitative determination by absorbance measurement at 320 nm. The hRf values of compounds (1) - (3) were 18, 40 and 75, respectively. Linearity was between 0.2-0.6 µg/zone for (1), 6.4-19.2 µg/zone for (2) and 0.5-1.5 µg/zone for (3). LOD and LOQ were found to be 90-200 ng/zone for (1), 3200-6400 ng/zone for (2) and 30-60 ng/zone for (3). Intra-day and inter-day precision (%RSD, n = 6) was below 0.8 %. Recovery (by standard addition) ranged from 98 to 101 %.

      Classification: 32a
      110 128
      Application of stability indicating high-performance thin-layer chromatographic method for quantitation of desvenlafaxine in pharmaceutical dosage form
      S. PAWAR, S. DHANESHWAR* (*Department of Pharmaceutical Chemistry, Bharati Vidyapeeth University, Poona College of Pharmacy, Pune, Maharashtra, India 411038, sunil.dhaneshwar@gmail.com)

      J. Liq. Chromatogr. Relat. Technol. 35, 499-510 (2012). HPTLC of desvenlafaxine in dosage forms on silica gel with ethyl acetate - toluene - methanol 14:4:1 + 1 drop ammonia. Quantitative determination by absorbance measurement at 228 nm. The hRf value of desvenlafaxine was 48 and selectivity regarding matrix was given. Linearity was between 100 and 1000 ng/spot. The intermediate/inter-day/intra-day precision was below 0.2 % (n=6). The limits of detection and quantification were 10 and 100 ng/spot, respectively. Recovery (by standard addition) was between 97.9 and 99. 1%.

      Classification: 32a
      111 069
      Stability-indicating HPTLC method for simultaneous estimation of famotidine, paracetamol, and ibuprofen in combined tablet dosage forms
      N. DUBEY*, D. KUMAR, S. JADHAWANI (*College of Pharmacy, IPS Academy, Indore 452015 Madhya Pradesh, India, nitindubeympharm@yahoo.com)

      J. Planar Chromatogr. 25, 162-167 (2012). HPTLC of famotidine (1), paracetamol (2), and ibuprofen (3) in combined dosage forms on silica gel with chloroform - methanol - ethyl acetate - acetic acid 215:161:591:32. Quantitative determination by absorbance measurement at 256 nm. The hRf values of compounds (1) to (3) were 21, 80 and 89, respectively. Linearity was in the range of 160-960 ng/zone for (1), 400-2400 ng/zone for (2) and 600-3600 ng/zone for (3).

      Classification: 32a
      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
      114 089
      Simultaneous determination of atorvastatin calcium and olmesartan medoxomil in a pharmaceutical formulation by reversed phase high-performance liquid chromatography, high-performance thin-layer chromatography, and UV spectrophotometric methods
      Hiral SONI, Charmy KOTHARI*, D. KHATRI, Priti MEHTA (*Nirma University, Institute of Pharmacy, Pharmaceutical Analysis, Ahmedabad Gujarat 382 481, India, charmyshah@gmail.com)

      J. AOAC Int. 97, 791-797 (2014). HPTLC of (1) atorvastatin calcium and (2) olmesartan medoxomil on silica gel with chloroform – methanol – acetonitrile 2:1:2. Quantitative determination by absorbance measurement at 276 nm. The hRF values of (1) and (2) were 47 and 69, respectively. Linearity was between 300 and 750 ng/zone for (1), and between 600 and 1500 ng/zone for (2). The intermediate inter-day and intra-day precisions were below 1 % (n=9) for both, (1) and (2). The LOD and LOQ were 6.3 and 19.0 ng/zone for (1) and 3.1 and 9.5 ng/zone for (2). Recoveries for (1) and (2) were in the range of 98-102 %. The method showed comparable results to a validated HPLC method and a UV spectrophotometric method.

      Classification: 32a
      117 098
      Comprehensive study of the stability of cefepime hydrochloride and cefuroxime axetil under various environmental conditions
      Monika DABROWSKA*, M. STAREK, W. OPOKA (*Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Collegium Medicum Jagiellonian University, 30-688 Kraków, Poland, mtylka@cm-uj.krakow.pl)

      J. Planar Chromatogr. 29, 264-272 (2016). HPTLC of cefepime hydrochloride (1) and cefuroxime axetil (2) on silica gel with ethanol – isopropanol – glacial acetic acid – water 4:4:1:3 for (1) and chloroform – ethyl acetate – glacial acetic acid – water 4:4:4:1 for (2). The hRF values for (1) and (2) were 21 and 93, respectively. The method was applied to study the photodecomposition of (1) and (2) in the absence and presence of selected metal ions during UV irradiation.

      Classification: 28a, 32a
      119 079
      Transfer of silica gel TLC screening methods for clarithromycin, azithromycin, and amodiaquine + artesunate to HPTLC–densitometry with detection by reagentless thermochemical activation of fluorescence quenching
      E. ARMOUR, J. SHERMA* (*Department of Chemistry, Lafayette College, Easton, Pennsylvania, USA, shermaj@lafayette.edu)

      J. Liq. Chromatogr. Relat. Technol. 40, 22-286 (2017). HPTLC of clarithromycin (1), azithromycin (2), and amodiaquine (3) and artesunate (4) on silica gel with methanol – ethyl acetate – concentrated ammonium hydroxide 40:10:1 for (1) and (2) and acetone – water – concentrated ammonium hydroxide 40:7:2 for (3) and (4). Detection by heating for 15 and 30 min, respectively, for (1) and (2) at 160 °C to activate fluorescence quenching. Naturally fluorescence quenching zones of (3) were scanned at 254 nm and (4) after heating the plate for 5 min at 180 °C to activate fluorescence quenching.

      Classification: 28a, 32a
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