Customer Magazine CBS

    CAMAG has been publishing the customer magazine CBS since 1965. The CBS is issued two times per year and focuses on recent examples of HPTLC in practice. Typical examples from research and industry, mainly written from customers, are demonstrated in each issue. Articles come from a broad variety of application fields.

CBS 122: In memoriam

This issue is dedicated to Dr. Dieter Jänchen, Founder of CAMAG and pioneer of Instrumental Thin-Layer Chromatography

Featured procedures and applications

  • Validated method for fast quantification of glycine in cosmetics
  • HPTLC-UV fingerprints of Gelsemium elegans and koumine contents
  • Screening of steroids as adulterants in food supplements
  • TLC and HPTLC-MS in the manufacturing of clinical API batches
  • Rapid separation of explosives by HPTLC

 

    CBS 121: Preservatives in food

    Procedures, applications

    • Effect-directed analysis of a water sample
    • Identification of active ingredients in plant extracts
    • Characterization of invertase activity
    • Comprehensive HPTLC fingerprinting in quality control
    • Determination of benzoic acid in food
    CBS 120: HPTLC quantification of cocoa ingredients and their changes during different chocolate manufacturing steps

    Procedures, applications

    • AMD analysis and determination of biocides in lens cleaning fluid
    • Optimized HPTLC-MS method for identification of constituents in broad-leaved dock
    • HPTLC quantification of cocoa ingredients and their changes during different chocolate manufacturing steps
    • Qualitative and quantitative HPTLC analysis of licorice root
    • Degradation profiling of cefixime and azithromycin (antibiotics)
    CBS 119: Comparison of different derivatization techniques

    Procedures, applications

    • Comparison of different derivatization techiques
    • Screening for ricinoleic acid as market for Secale cornutum impurities in rye
    • Qualification of stevion glycosides and steviol/isosteviol
    • Qualification of Bitter Acids in Hops
    • Qualification of tetrahyrocannabinol in Cannabis sative
    CBS 118: Providing insight into the versatility of HPTLC

    Procedures, applications

    • Detection of steroids and selective androgen receptor modulators
    • Quality control of cosmetic products
    • Comparison of conventional TLC and HPTLC for identity testing of herbal medicinal extracts
    • HPTLC for the quantitation of nicotine in liquids for electronic cigarettes
    CBS 117: Uncomplicated postchromatographic derivatization, an option unique to Planar Chromatography

    Procedures, applications

    • CAMAG Derivatizer – New spraying device for the automated derivatization of TLC plates
    • Quality control of pigment formulations
    • Analysis of dextrins
    • Adulteration of St. John’s Wort Products
    • Quantification of wax ester in escolar
    • Rapid screening for ergot alkaloids in rye flour by planar solid phase extraction
    CBS 116: For Food Analysis Explore the Advantages of Planar Chromatography

    Procedures, applications

    • Determination of the hemolytic activity of saponins by an HPTLC blood gelatin test
    • The CAMAG TLC-MS Interface 2 in practice
    • Identification of herbal slimming drugs and screening for adulteration by HPTLC
    • Determination of lactose in foodstuff
    • Quantification of nicotine in liquids for electronic cigarettes
    CBS 115: 50 years of CBS – The CAMAG Bibliography Service has been published since 1965.

    Procedures, applications

    • Modern direct bioautography of endocrine active compounds
    • Quantification of xanthones in mangosteen fruit hull extracts
    • The unique merits of HPTLC image analysis for quality control of herbal medicines
    • In-process control during synthesis of novel ergoline psychedelics by HPTLC
    • Marker compounds in Java tea characterized by HPTLC
    CBS 114: visionCATS 2.0 – Our new software for qualitative and quantitative HPTLC analysis

    Procedures, applications

    • visionCATS 2.0 – Our new software for qualitative and quantitative HPTLC analysis
    • Determination of monoacylglycerides in biodiesel
    • Screening for PDE5-Inhibitors
    • Cleaning validation at API production units
    • New screening concept for pesticide residue analysis
    CBS 113: Introducing the new generation HPTLC software

    Procedures, applications

    • Introducing the new generation software – visionCATS
    • HPTLC-MS combined with H/D exchange for the identification of substances in environmental analysis
    • Determination of caffeine in energy drinks
    • Tyrosinase inhibitors in plant extracts
    • Analysis of plant glycosylceramides by automated multiple development
    CBS 112: From the bioactive zone to the structure – hyphenations for effect-directed analysis at an analytical level

    Procedures, applications

    • Bioassay-guided isolation of plant antibiotics
    • Effect-directed analysis of environmental samples
    • HPTLC determination of sibutramine in adulterated herbal slimming supplements
    • Anthocyanes in food and animal feed by HPTLC-Vis-(EDA-)MS
    CBS 111: HPTLC for the analysis of cosmetics

    Procedures, applications

    • Quantification of alkaloids in Sceletium tortuosum
    • Detection and determination of caffeine, taurine and arginine in shampoos
    • Screening method to study the reactivity of cosmetic UV filters on skin proteins
    • Identification of acetylcholinesterase inhibitors from Galbanum
    • Planar-chromatographic fingerprint of German propolis
    CBS 110: Hyphenation of planar chromatography with several kinds of spectroscopy

    Procedures, applications

    • Rapid structure confirmation and quantitation by HPTLC-NMR
    • Bioautographic HPTLC assays for screening of Gabonese medicinal plants used against Diabetes mellitus
    • HPTLC-MS analysis using a novel compact single quadrupole mass spectrometer
    • Introduction of special HPTLC and TLC plates for coupling with mass spectrometry
    • Solid phase extraction as clean-up for pesticide residue analysis of tea samples using planar chromatographic developing technique.
    CBS 109: In Food Analysis HPTLC is a most cost effective and robust method – examples in this issue

    Procedures, applications

    • TLC screening for the detection of Robusta admixtures to Arabica coffee
    • Identification of polyphenolic compounds in Rheum officinale Baill. by TLC-MS-coupling
    • CAMAG Laboratory
    • Quantitative determination of steviol glycosides (Stevia sweetener)
    • Drinking water treatment – Identification of reaction by-products of 4- and 5-methyl- 1H-benzotriazole formed during ozonation
    CBS 108: In this issue Planar Chromatography for the analysis of PAH’s in toys … and more interesting applications

    Procedures, applications

    • Simultaneous analysis of temephos and fenitrothion in green tea
    • Analysis of insulin samples from different species by HPTLC-MS
    • Simultaneous determination of pioglitazone, metformine and glimepiride in pharmaceutical preparations
    • The fingerprint of biopolymers (polysaccharides)
    • Determination of PAHs in toys by HPTLC
    CBS 107: Cleaning validation of industrial plants, sample preparation by planar chromatography, testing of honey for freshness … and more

    Procedures, applications

    • Cleaning validation using HPTLC
    • Rapid test for content uniformity of Coenzyme Q10 in soft gel capsules by HPTLC
    • Planar solid phase extraction – a new clean-up concept in residue analysis of pesticides
    • Quantification and side component analysis of the cosmetic active tiliroside using planar chromatography
    • Fast quantification of 5-hydroxymethylfurfural in honey
    CBS 106: Hyphenation of planar chromatography with mass spectrometry is appreciated by many analysts

    Procedures, applications

    • Determination of enrofloxacin and ciprofloxacin in milk by direct bioautography detection
    • Use of Planar Chromatography for the analysis of peptides from tryptic protein digest
    • HPLC-MS or simply HPTLC for analysis of sucralose in water?
    • TLC/HPTLC fingerprinting of herbal essential oil followed by liquid chromatography hyphenated with the TLC-MS Interface
    • Quality control of Traditional Chinese Medicines by HPTLC
    CBS 105: The versatility of HPTLC – From Bio Analysis to the Detection of Pollutants in Water

    Procedures, applications

    • TLC/HPTLC-ELSD-MS coupling
    • Determination of the glycoalkaloids a-solanine and a-chaconine in potatoes at different steps of potato processing
    • 1H-Benzotriazole and tolyltriazole in the aquatic environment
    • Optimization of an AMD 2 method for determination of stratum corneum lipids
    • Determination of additives in plastic foils
    CBS 104: Analytical tasks – efficiently solved by HPTLC

    Procedures, applications

    • A comparison between HPLC and HPTLC for the separation and quantification of boswellic acids in Boswellia serrata extracts
    • Validated HPTLC method for skin lipids
    • Separation of common plant triterpenoids by HPTLC
    • Validated determination of secoisolariciresinol diglucoside in flaxseed by HPTLC
    • Determination of aloe vera gels in cosmetics
    CBS 103: HPTLC for investigation of food for unauthorized dye additions

    Procedures, applications

    • HPTLC determination of illegal dyes in chili, paprika, curry
    • Analysis of water-soluble food dyes
    • Screening of unknown plant extracts by planar chromatography
    • Determination of unauthorised fat-soluble azo dyes in spices by HPTLC
    CBS 102: HPTLC is indispensible – Not only for screening of natural products

    Procedures, applications

    • The new TLC-MS Interface
    • Screening for bioactive natural products in sponges
    • HPTLC determination of ginkgolides A, B and C and bilobalide in Ginkgo biloba
    • HPTLC identification of Hoodia gordonii a popular ingredient of botanical slimming products
    CBS 101: Automatic Sample Application – 1974 and today

    Procedures, applications

    • Identification and quantification of amino acids in peptides
    • Use of reversed phase (RP)-modified pre-coated plates
    • Fast identification of unknown impurities by HPTLC/MS
    • Use of HPTLC as a problem solving technique in pharmaceutical analysis
    • Validation of HPTLC methods for the identification of botanicals