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603 Newest Publications in chromatographia

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Happy Birthday! 85th Birthday of Edward R. Adlard

19-Nov-2012 | Steffen Pauly, Petra Russkamp, Chromatographia, 2012

Happy Birthday! 85th Birthday of Edward R. Adlard Content Type Journal Article Category Editorial Pages 1-1 DOI 10.1007/s10337-012-2342-1 Authors Steffen Pauly, Executive Editor Chemistry, Springer, Wiesbaden, Germany Petra Russkamp, Editorial Office Chromatographia, Springer, ...

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An Improved Method to Resolve Plant Saponins and Sugars by TLC

19-Nov-2012 | Panneerselvam Krishnamurthy, Chigen Tsukamoto, Seung Hwan Yang, Jeong Dong Lee, Gyuhwa Chung, Chromatographia, 2012

Thin-layer chromatography (TLC) plays an important role in the initial selection of mutants having a unique seed saponin composition from the germplasm collections of the subgenus Soja. In the conventional TLC procedure, the dehydrated free sugars are retained just below the major saponins and ...

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Spectrometric and Chromatographic Study of Reactive Oxidants Hypochlorous and Hypobromous Acids and Their Interactions with Taurine

09-Nov-2012 | Lukas Nejdl, Jiri Sochor, Ondrej Zitka, Natalia Cernei, Branislav Ruttkay-Nedecky, Pavel Kopel, Petr Babula, Vojtech ..., Chromatographia, 2012

In this study, we focused on the studying of taurine complexes with phenol and sodium hypochlorite, and of taurine with sodium hypobromite by spectrometry, reverse phase chromatography and ion-exchange chromatography. The formed complexes were studied under various conditions such as temperature ...

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Chiral Separation of Ketoprofen on a Chirobiotic T Column and Its Chiral Recognition Mechanisms

08-Nov-2012 | Xiaomei He, Rui Lin, Hua He, Meiling Sun, Deli Xiao, Chromatographia, 2012

Purpose In this study, direct separation of ketoprofen enantiomers was performed on a Chirobiotic T column. Methods The effects of the type and amount of the organic modifier, buffer concentration, pH value, temperature and flow rate on retention and selectivity were investigated. Experiments ...

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Chiral Determination of Salbutamol, Salmeterol and Atenolol by Two-Dimensional LC–LC: Application to Urine Samples

08-Nov-2012 | Yung Yang, Noelia Rosales-Conrado, Vanesa Guillén-Casla, María Eugenia León-González, Luis Vicente Pérez-Arribas, Lu ..., Chromatographia, 2012

A heart-cut two-dimensional high-performance liquid chromatography method for enantiomeric determination of salbutamol, salmeterol and atenolol in urine is presented. It involves the use of two separations in a liquid chromatography–liquid chromatography achiral–chiral coupling. Target compounds ...

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Factorial-Based Designs in Liquid Chromatography

07-Nov-2012 | Biljana Jančić Stojanović, Chromatographia, 2012

In this paper, the review on application of factorial-based designs in liquid chromatography (LC) is given. The most useful and applicable full factorial design and reduced forms of full factorial design (fractional factorial design and Plackett–Burman design) applied in LC are presented. ...

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Development of On-line Liquid Chromatography-Biochemical Detection for Soluble Epoxide Hydrolase Inhibitors in Mixtures

06-Nov-2012 | David Falck, Nils Helge Schebb, Setyo Prihatiningtyas, Jiawen Zhang, Ferry Heus, Christophe Morisseau, Jeroen Kool, ..., Chromatographia, 2012

In this study, an end-point-based fluorescence assay for soluble epoxide hydrolase (sEH) was transformed into an on-line continuous-flow format. The on-line biochemical detection system (BCD) was coupled on-line to liquid chromatography (LC) to allow mixture analysis. The on-line BCD was based on ...

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QSRR Study on Flavor Compounds of Diverse Structures on Different Columns with the Help of New Chemometric Methods

06-Nov-2012 | Xian Chen, Hong-Dong Li, Fang-Qiu Guo, Jun Yan, Dong-Sheng Cao, Yi-Zeng Liang, Chromatographia, 2012

A quantitative structure–retention relationship study was performed for 286 flavor compounds with highly structural diversity on different stationary phases of different polarities. Firstly, the structure–retention relationship was statistically explored using constitutional, topological, ...

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Effective Pre-Concentration and Analysis of Heavy Metals Using Ligand Step Gradient Focusing in Combination with Isotachophoresis

05-Nov-2012 | Eliška Glovinová, Jan Pospíchal, Chromatographia, 2012

A capillary electrophoretic method for the pre-concentration of metals based on selective focusing of metal chelates with subsequent online ITP analysis was developed and verified. The selected ions of heavy metals (Pb2+ and Cd2+) were subjected to pre-concentration from the mixture and analysed. ...

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Azithromycin for Enantioseparation of Tetrahydrozoline in NACE

05-Nov-2012 | Margarita V. Lebedeva, Galina A. Bulgakova, Aleksandra F. Prokhorova, Elena N. Shapovalova, Mikhail G. Chernobrovkin ..., Chromatographia, 2012

Successful use of macrolide antibiotic azithromycin for enantioseparation of tetrahydrozoline is described in this paper. The effect of experimental parameters such as background electrolyte composition, solvent type, chiral selector concentration, temperature, and applied voltage on the ...

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