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
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      111 115
      (Study of the method for the quality control of Zhiheng tablets by thin-layer chromatography) (Chinese)
      M. QU (Qu Meilun) (Liuyang Municip. Hosp. of Trad. Chinese Med., Hunan, Liuyang 410300, China)

      Chinese J. Mod. Drug Appl. 7 (1), 118-119 (2013). Zhiheng tablets are a herbal TCM for treatment of hyperlipidemia. For quality control, TLC on silica gel 1) for Radix Notoginseng, with dichloromethane – methanol – water 13:7:2, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing in daylight; 2) for Salvia miltiorrhiza and the standard salvianolic acid A sodium, with dichloromethane – acetone – formic acid 25:10:4, detection by exposing to ammonia vapors for 10 min and viewing under UV 366 nm; 3) for Pericarpium Citri Reticulatae and the standard hesperidin, with ethyl acetate – methanol – water 100:17:13 to a distance of 3 cm and then with toluene – ethyl acetate – formic acid – water 20:10:1:1 to a distance of 8 cm, detection by spraying with 3 % aluminium chloride in ethanol and viewing under UV 366 nm; 4) for Fructus Gardeniae and the standard gardenoside, with ethyl acetate – acetone – formic acid – water 5:5:1:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing in daylight.

      Classification: 32e
      111 136
      Simultaneous densitometric determination of hydrocortisone acetate and 2-phenoxyethanol in creams
      D. WIDIRETANI, I. LUAILIA, G. INDRAYANTO* (*Section Analytical Development, Department R & D, Bernofarm Pharmaceutical Company, Sidoarjo, Indonesia; and G. Indrayanto, Faculty of Pharmacy, Airlangga University, Dharmawangsa dalam, Surabaya 60286, Indonesia, gunawanindrayanto@yahoo.com)

      J. Planar Chromatogr. 26, 37-42 (2013). HPTLC of hydrocortisone acetate (1) and 2-phenoxyethanol (2) in cream on RP-18 with water-methanol 4:11. Quantitative determination by absorbance measurement at 270 nm. Linearity was in the range of 4.2-13.0 µg/zone for (1) and 0.8-4.3 µg/zone for (2). LOD and LOQ were 0.6 and 1.7 µg/zone for (1) and 0.2 and 0.5 µg/zone for (2), respectively. Intermediate precision was below 2 %.

      Classification: 32a
      111 152
      (Study of a method for the quality control of Kuanzhong Laokou pills by thin-layer chromatography) (Chinese)
      X. ZHAO (Zhao Xin)*, X. LI (Li Xianyi), P. ZHANG (Zhang Peng) (*Inst. for Drug & Instr. Contr., Joint Logistics Dep., Shenyang Military Region, Chinese PLA, Liaoning, Shenyang 110026, China)

      Chinese J. of Lishizhen Trad. Med. & Pharm. 23 (2), 502-503 (2012). Kuanzhong Laokou pills are a herbal TCM for treating thoracic abdominal bloating and stomach pain. For quality control TLC on silica gel 1) for Rhizoma atractylodis macrocephalae, with petroleum ether (60-90 °C) – ethyl acetate 50:1, detection by spraying with 5 % vanillin in sulfuric acid – ethanol 1:200 and heating mildly, viewing in daylight; 2) for Pericarpium citri reticulatae, with ethyl acetate – butanone – formic acid – water 7:2:1:1, detection by spraying with 1 % ferric chloride in ethanol and viewing under UV 366 nm; 3) for Radix aucklandiae, with cyclohexane - ethyl acetate 17:3, detection by spraying with 5 % vanillin in sulfuric acid – ethanol 1:200 and heating mildly, viewing in daylight; 4) for Radix et rhizoma rhei, with petroleum ether (30-60 °C) – ethyl formate – formic acid 15:5:1, detection under UV 366 nm or by exposing to ammonia vapor and viewing in daylight.

      Classification: 32e
      112 027
      TLC–densitometric determination of guaifenesin, pseudoephedrine hydrochloride and guaifenesin related substance (guaiacol)
      N. ABDELWAHAB*, E. ABDELALEEM (*Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Bani-Suef University, Alshaheed Shehata Ahmad Hegazy St., 62514, Beni-Suef, Egypt, nadasayed2003@yahoo.com)

      J. Planar Chromatogr. 26, 73-77 (2013). TLC of guaifenesin (1), pseudoephedrine hydrochloride (2) and guaiacol (3) on silica gel with hexane - ethyl acetate - acetone - water - triethylamine 30:30:40:3:1. Quantitative determination by absorbance measurement at 208 nm for (1) and (2) and 278 nm for (3). The hRf values for (1) to (3) were 34, 12 and 83, respectively. Linearity was in the range of 2-12 µg/zone for (1), 14-25 µg/zone for (2) and 0.1-1.1 µg/zone for (3). LOD and LOQ were established for (3) only: LOD was 40 ng/zone and LOQ 100 ng/zone. Recovery (by standard addition) was between 99.9 and 100.0 %. Intermediate/interday/intra-day precision was below 2 % (n=3).

      Classification: 9
      112 061
      Three validated methods for simultaneous determination of ofloxacin and dexamethasone in binary mixture
      H. AHMED*, B. MOUSSA, R. EL-BAGARY, M. DARWISH (*National Organization for Drug Control and Research (NODCAR), P.O. Box 29, 12553 Cairo, Egypt, hanan_egypt1@yahoo.com)

      J. Planar Chromatogr. 26, 56-61 (2013). TLC of ofloxacin (1) and dexamethasone (2) on silica gel with methanol - 0.01 M phosphate buffer 2:3 and pH adjusted to 5 with orthophosphoric acid. Quantitative determination by absorbance measurement at 300 nm for (1) and 240 nm for (2). The hRf values for (1) and (2) were 22 and 60, respectively. Linearity was in the range of 1-6 µg/zone for both (1) and (2). The LOD and LOQ were 260 and 870 ng/zone for (1) and 220 and 740 ng/zone for (2), respectively. Average recovery (by standard addition) for (1) and (2) was 99.2 %. Intermediate/interday/intra-day precision was below 2 % (n=3). The method showed comparable results with a validated HPLC method.

      Classification: 13a, 28a
      112 085
      (Study of the method for the separation of four kinds of Yao traditional medicinal herbs by thin-layer chromatography) (Chinese)
      ZH. JIANG (Jiang Zhenou), M. LAI (Lai Maoxiang)*, J. YANG (Yang Jiangfei) (*Guangxi Acad. of Trad. Chinese Med. Sci., Guangxi, Nanning 530022, China)

      Chinese J. of Guide for Trad. Chinese Med. & Pharm. 19 (4), 70-71 (2013). Pothos chinensis (Raf.) Merr. and three other medicinal herbs are used in traditional Yao medicine, they have anti venom, anti tumor, and antioxidant effects and reduce blood sugar. For quality control, TLC of 1) Pothos chinensis (Raf.) Merr., on polyamide phase with acetone – water 1:2, detection by spraying with 2 % aluminiumchloride in ethanol and heating at 105°C until the zones are visible in daylight, and under UV 366 nm; 2) for Mappianthus iodoides Hand.-Mazz., on silica gel with petroleum ether (60-90°C) – ethyl acetate 4:1, detection 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; 3) Zanthoxylum nitidum (Roxb.) DC., on silica gel with chloroform – methanol – ammonia 150:5:1, detection under UV 366 nm; 4) for Saussurea woodiana Hemsl., on silica gel with petroleum ether (60-90°C) – ethyl formate – formic acid 75:25:2, detection under UV 366 nm.

      Classification: 32e
      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
      112 125
      (Study of the method for the quality control of Fufang Xiaoji Zhike Milian Gao ointment) (Chinese)
      M. ZHANG (Zhang Ming), Y. NI (Ni Ying), W. JIN (Jin Weihua), K. FAN (Fan Kaihua)* (* Dep. of Pharm., General Hosp. of Chengdu Milit. Area Command Sichuan, Chengdu 610083, China)

      Chinese J. of Med. Guide 10 (20), 99-102 (2013). Fufang Xiaoji Zhike Milian Gao ointment is herbal TCM preparation for clearing the body heat caused by inflammation, resolving phlegm and relieving asthma. For quality control, TLC on silica gel 1) for Pericarpium Citri Reticulatae and the standard hesperidin, first over 3 cm with ethyl acetate – methanol – water 99:17:13 and thenover 8 cm with toluene – ethyl acetate – formic acid – water 95:45:5:3, detection by spraying with 2 % aluminium chloride in ethanol and viewing under UV 366 nm; 2) for Schisandra Chinensis and the standard schizandrin A, with the upper phase of petroleum ether (30-60 °C) – ethyl formate – formic acid 15:5:1, detection under UV 254 nm; 3) for Crataegus pinnatifida and the standard ursolic acid, with toluene – ethyl acetate – formic acid – water 39:8:2:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 80 °C, detection under UV 366 nm. Quantification of tenuifolin by HPLC.

      Classification: 32e
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