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.

      126 045
      Smart TLC–densitometric methods for determination of ophthalmic ternary mixture containing chloramphenicol in the presence of its synthetic precursor: Comparative eco‑scaling for greenness assessment
      Maya EISSA*, H. EL-HADI, H. ZAAZAA, B. ELTANANY (*Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo 11829, Egypt, maya-shaaban@eru.edu.eg)

      J. Planar Chromatogr. 33, 501-509 (2020). HPTLC of chloramphenicol (1), dexamethasone sodium phosphate (2) and tetrahydrozoline HCl (3) in the absence or presence of p-nitroacetophenone (4) on silica gel with ethanol - water - ammonia 14:5:1 (method A) and acetonitrile - water - ammonia 20:6:1 (method B). Quantitative determination by absorbance measurement at 242 and 220 nm. The hRF values for (1) to (3) were 76, 65 and 20, respectively, in method A and the hRF values for (1) to (4) were 78, 38, 58 and 87, respectively, in method B. Linearity was 0.1-1.4 µg/zone for (1), 0.2-1.2 µg/zone for (2) and 0.1-0.5 µg/zone for (3) in method A and 0.6-1.8 µg/zone for (1), 0.8-3.2 µg/zone for (2), 0.01-0.1 µg/zone for (3) and 0.3-1.4 µg/zone for (4) in method B. Intermediate precision was below 2 % (n=3). The LOD and LOQ were 30 and 90 ng/zone for (1), 40 and 120 ng/zone for (2) and 20 and 60 ng/zone for (3) in method A and 60 and 180 ng/zone for (1), 130 and 390 ng/zone for (2), 3 and 9 ng/zone for (3) and 70 and 210 ng/zone for (4) in method B. Average recovery was 100.1 % for (1), 100.2 % for (2), 100.6 % for (3) in method A and 100.1 % for (1), 99.9 % for (2) and 100.2 % for (3) in method B.

      Classification: 32a
      126 046
      A rapid and reliable thin‑layer chromatographic method for the simultaneous estimation of celecoxib and diacerein in their binary mixture using nanosilica gel plate
      M. RIZK, S. TOUBAR, E. GADALLAH, M. HELMY* (*Analytical Chemistry Department, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo 11795, Egypt, marwa.ibrahim46@pharm.helwan.edu.eg)

      J. Planar Chromatogr. 33, 511-522 (2020). HPTLC of celecoxib (1) and diacerein (2) on nanosilica gel with n-hexane - ethyl acetate - tetrahydrofuran - glacial acetic acid 35:15:5:4. Quantitative determination by absorbance measurement at 254 nm. The hRF values for (1) and (2) were 59 and 37, respectively. Linearity was between 20 and 320 ng/zone for (1) and 5 and 80 ng/zone for (2). Intermediate precision was below 2 % (n=3). The LOD and LOQ were 7 and 20 ng/zone for (1) and 2 and 5 ng/zone for (2), respectively. Average recovery was 99.9 % for (1) and 99.6 % for (2).

      Classification: 32a
      126 047
      Comparative study of spectrophotometric and spectrodensitometric techniques for the estimation of riociguat in tablets
      T. PATEL, P. DEDHIYA*, H. PATEL, S. SHAH (*Maliba Pharmacy College, Uka Tarsadia University, Maliba Campus, Gopal Vidyanagar, Bardoli, Gujarat 394350, India, prafuldedhiya@gmail.com)

      J. Planar Chromatogr. 33, 381-390 (2020). HPTLC of riociguat in tablets on silica gel with ethyl acetate - methanol - glacial acetic acid 80:20:3. Quantitative determination by fluorescence measurement at 300/>465 nm. The hRF value for riociguat was 59. Linearity was between 5 and 25 ng/zone. Intermediate precision was below 2 % (n=3). The LOD and LOQ were 3.4 and 10.2 ng/zone, respectively. Recovery was between 98.7 and 99.1 %. The method was compared with spectrofluorimetric and UV-spectrophotometric methods.

      Classification: 32a
      126 052
      Validation of an analytical method for the detection of ephedrine and its analogues in forensic samples using HPTLC–MS
      K. GOYAL, N. TOMAR*, A. SINGH, R. SARIN, S. SHUKLA (*Amity Institute of Forensic Science, Amity University, Noida, Uttar Pradesh, India, tomarneh@gmail.com)

      J. Planar Chromatogr. 33, 397-404 (2020). HPTLC of ephedrine on silica gel with n-butyl acetate - acetone - 1-butanol - 5 M ammonia - methanol 4:2:2:1:1. Detection at UV 254 nm. The separated zones eluted directly from the plate into an MS. The ionization mode was selected as electrospray ionization (ESI). The hRF value for ephedrine was 41.

      Classification: 4e, 32a
      126 053
      A validated HPTLC method for the quantitative determination of duloxetine hydrochloride and 1-naphthol in bulk and pharmaceutical formulation
      N. ABDELHAMID, I. NAGUIB, B. ANWAR*, M. MAGDY (*Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Alshaheed Shehata Ahmad Hegazy St, Beni-Suef 62514, Egypt, bassma.hossam@hotmail.com)

      J. Planar Chromatogr. 33, 391-396 (2020). HPTLC of duloxetine hydrochloride (1) and 1-naphthol (2) on silica gel with chloroform - ethyl acetate - benzene - 33 % ammonia solution 60:30:10:1. Quantitative determination by absorbance measurement at 233 nm. The hRF values for (1) and (2) were 15 and 8, respectively. Linearity was between 200 and 1400 ng/zone for (1) and 60 and 540 ng/zone for (2). Intermediate precision was below 2 %. The LOD and LOQ were 23 and 71 ng/zone for (1) and 15 and 47 ng/zone for (2), respectively. Average recovery was 98.8 % for (1) and 99.6 % for (2).

      Classification: 32a
      126 057
      Validated stability-indicating HPTLC method for the estimation of adapalene in drugs and the LC–MS identification of its degradation products
      K. THUMMAR*, K. TILVA, B. DUDHATRA, R. MARDIA, N. SHETH (*Department of Pharmaceutical Sciences, Saurashtra University, Rajkot, Gujarat 360005, India, kasu_patel5@yahoo.co.in)

      J. Planar Chromatogr. 33, 371-380 (2020). HPTLC of adapalene on silica gel with toluene - acetone 1:1. Quantitative determination by absorbance measurement at 317 nm. The hRF value for adapalene was 58. Linearity was between 10 and 100 ng/zone. Intermediate precision was below 2 % (n=6). The LOD and LOQ were 1.5 and 4.6 ng/zone, respectively. Recovery was between 97.5 and 101.5 %.

      Classification: 32a
      126 032
      Validation and eco-scale assessment of stability-indicating HPTLC method for quantitative analysis of carbamazepine and its degradation product, iminostilbene, in pure forms, pharmaceutical preparations, and spiked human plasma
      I. NAGUIB, N. ALI, F. ELROBY, M. EL GHOBASHY, F. ABDALLAH* (*Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt, dr.zahrafared@yahoo.com)

      J. Planar Chromatogr. 33, 219-229 (2020). HPTLC of carbamazepine (1) and its degradation product iminostilbene (2) on silica gel with petroleum ether - acetone 7:3. Quantitative determination by absorbance measurement at 230 nm. The hRF values for (1) and (2) were 12 and 63, respectively. Linearity was between 0.1 and 1.4 µg/zone for (1) and 0.1 and 1.2 µg/zone for (2). Intermediate precision was below 2 % (n=3). The LOD and LOQ were 0.03 and 0.09 µg/zone for (1) and 0.03 and 0.09 µg/zone for (2), respectively. Average recovery was  99.7 % for (1) and 99.7 % for (2).

      Classification: 17c, 32a
      125 007
      Digitally enhanced thin layer chromatography for simultaneous determination of norfloxacin and tinidazole with the aid of Taguchi orthogonal array and desirability function approach: Greenness assessment by analytical Eco-Scale
      N. ABOU-TALEB, N. EL-ENANY, D. EL-SHERBINY, H. EL-SUBBAGH (*Medicinal Chemistry Department, Faculty of Pharmacy, Mansoura University 35516, Mansoura, Egypt, nourahemdan@yahoo.com)

      J. Sep. Sci. 43, 1195-1202 (2020). HPTLC of norfloxacin (1) and tinidazole (2) on RP silica gel with 30 % trifluoroacetic acid. Detection under UV 254 and 366 nm, documentation with a smartphone camera. The hRF values for (1) and (2) were 6 and 31, respectively. Linearity was between 0.06 and 6 µg/zone for (1) and 0.09 and 9 µg/zone for (2). Intermediate precisions were below 2 % (n=3). The LOD and LOQ were 0.01 and 0.03 µg/zone for both (1) and (2).

      Classification: 32a