U. Pyell: search on Z-Library

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1

Separation of very hydrophobic analytes by micellar electrokinetic chromatography. I. Optimization of the composition of the sample solution for the determination of the aromatic ingredients of sassafras and other essential oils of forensic interest

Carolin Huhn, Michael Pütz, Ivie Holthausen, Ute Pyell

Journal:

ELECTROPHORESIS

Year:

2008

Language:

english

File:

PDF, 433 KB

english, 2008

2

Identification of toxic oligopeptides in Amanita fungi employing capillary electrophoresis-electrospray ionization-mass spectrometry with positive and negative ion detection

Jan Rittgen, Michael Pütz, Ute Pyell

Journal:

ELECTROPHORESIS

Year:

2008

Language:

english

File:

PDF, 429 KB

english, 2008

3

Synthesis of a polyrotaxane-based macroporous polymer as stationary phase for capillary electrochromatography via host–guest complexation of N,N ′-ethylenedianilinediacrylamide with statistically methylated β-cyclodextrin

Annika Wahl, Fuad Al-Rimawi, Ingo Schnell, Olga Kornysova, Audrius Maruska, Ute Pyell

Journal:

Journal of Separation Science

Year:

2008

Language:

english

File:

PDF, 3.02 MB

english, 2008

4

In-capillary derivatization with o-phthalaldehyde in the presence of 3-mercaptopropionic acid for the simultaneous determination of monosodium glutamate, benzoic acid, and sorbic acid in food samples via capillary electrophoresis with ultraviolet detection

Aung, Hnin-Pwint, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2016

Language:

english

File:

PDF, 1.38 MB

english, 2016

5

Quantification of Zeta-Potential and Electrokinetic Surface Charge Density for Colloidal Silica Nanoparticles Dependent on Type and Concentration of the Counterion: Probing the Outer Helmholtz Plane

Jalil, Alaa Hussein, Pyell, Ute

Journal:

The Journal of Physical Chemistry C

Year:

2018

Language:

english

File:

PDF, 839 KB

english, 2018

6

Preparation of Cationic Mixed-Mode Acrylamide-Based Monolithic Stationary Phases for Capillary Electrochromatography

Al-Massaedh, “Ayat Allah”, Pyell, Ute

Journal:

Chromatographia

Year:

2018

Language:

english

File:

PDF, 1.12 MB

english, 2018

7

In-column versus on-column photometric detection in capillary electrochromatography with capillaries packed with octadecylsilica gel

Andreas Banholczer, Ute Pyell

Journal:

Journal of Microcolumn Separations

Year:

1998

Language:

english

File:

PDF, 114 KB

english, 1998

8

Selectivity adjustment in capillary electrochromatography with ternary mobile phases

Andreas Banholczer, Ute Pyell

Journal:

Journal of Separation Science

Year:

2001

Language:

english

File:

PDF, 96 KB

english, 2001

9

Component analysis of vanilla extracts and vanilla containing commercial preparations by micellar electrokinetic chromatography or high-performance liquid chromatography – A method comparison

Ute Pyell, Birgit Pletsch-Viehmann, Ute Ramus

Journal:

Journal of Separation Science

Year:

2002

Language:

english

File:

PDF, 248 KB

english, 2002

10

RP-HPLC für Anwender. (Reihe: Die Praxis der instrumentellen Analytik, Reihenherausgeber: U. Gruber und W. Klein.) Von W. Gottwald. VCH Verlagsgesellschaft, Weinheim, 1993, 249 S., geb. 58.00 DM. - ISBN 3-527-28518-0

Journal:

Angewandte Chemie

Year:

1994

Language:

german

File:

PDF, 179 KB

german, 1994

11

Indirect laser-induced fluorescence detection for capillary electrophoresis using a frequency-doubled diode laser

Natalia Ragozina, Michael Pütz, Werner Faubel, Ute Pyell

Journal:

ELECTROPHORESIS

Year:

2003

Language:

english

File:

PDF, 101 KB

english, 2003

12

Capillary electrophoresis-laser induced fluorescence-electrospray ionization-mass spectrometry: A case study

Carolin Huhn, Christian Neusüß, Matthias Pelzing, Ute Pyell, Joachim Mannhardt, Michael Pütz

Journal:

ELECTROPHORESIS

Year:

2005

Language:

english

File:

PDF, 540 KB

english, 2005

13

Determination of tryptamine derivatives in illicit synthetic drugs by capillary electrophoresis and ultraviolet laser-induced fluorescence detection

Carolin Huhn, Michael Pütz, Natalie Martin, Rainer Dahlenburg, Ute Pyell

Journal:

ELECTROPHORESIS

Year:

2005

Language:

english

File:

PDF, 176 KB

english, 2005

14

Separation of very hydrophobic analytes by MEKC. II. Carbon number equivalents as analyte descriptors – influence of the composition of the separation electrolyte

Carolin Huhn, Michael Pütz, Ute Pyell

Journal:

ELECTROPHORESIS

Year:

2008

Language:

english

File:

PDF, 486 KB

english, 2008

15

CE characterization of semiconductor nanocrystals encapsulated with amorphous silicium dioxide

Journal:

ELECTROPHORESIS

Year:

2008

Language:

english

File:

PDF, 850 KB

english, 2008

16

Separation of very hydrophobic analytes by micellar electrokinetic chromatography. III. Characterization and optimization of the composition of the separation electrolyte using carbon number equivalents

Carolin Huhn, Michael Pütz, Ute Pyell

Journal:

ELECTROPHORESIS

Year:

2008

Language:

english

File:

PDF, 479 KB

english, 2008

17

Characterization of nanoparticles by capillary electromigration separation techniques

Journal:

ELECTROPHORESIS

Year:

2010

Language:

english

File:

PDF, 559 KB

english, 2010

18

Regulation of the retention factor for weak acids in micellar electrokinetic chromatography with cationic surfactant via variation of the chloride concentration

Irma Orentaitė, Audrius Maruška, Ute Pyell

Journal:

ELECTROPHORESIS

Year:

2011

Language:

english

File:

PDF, 409 KB

english, 2011

19

The use of derivatized cyclodextrins as solubilizing agents in the preparation of macroporous polymers employed as amphiphilic continuous beds in capillary electrochromatography

Fuad Al-Rimawi, Ute Pyell

Journal:

Journal of Separation Science

Year:

2006

Language:

english

File:

PDF, 880 KB

english, 2006

20

Study of the complexation of different methacrylates with cyclodextrins employing a combination of electrophoretic, chromatographic, and NMR-spectroscopic methods

Fuad Al-Rimawi, Ute Pyell

Journal:

Journal of Separation Science

Year:

2007

Language:

english

File:

PDF, 1.14 MB

english, 2007

21

Influence of shape parameters on the separation of tetrachlorodibenzo-p-dioxin isomers on reversed-phase columns

U. Pyell, P. Garrigues, M.T. Rayez

Journal:

Journal of Chromatography A

Year:

1993

Language:

english

File:

PDF, 698 KB

english, 1993

22

Clean-up by high-performance liquid chromatography of polychlorodibenzo-p-dioxins and polychlorodibenzofurans on a pyrenylethylsilica gel column

U. Pyell, P. Garrigues

Journal:

Journal of Chromatography A

Year:

1994

Language:

english

File:

PDF, 411 KB

english, 1994

23

Optimization of resolution in micellar electrokinetic chromatography via computer-aided simultaneous variation of concentrations of sodium dodecyl sulfate and urea as modifier

Ute Pyell, Ulf Bütehorn

Journal:

Journal of Chromatography A

Year:

1995

Language:

english

File:

PDF, 906 KB

english, 1995

24

Micellar electrokinetic chromatography as a screening method for the analysis of vanilla flavourings and vanilla extracts

Ulf Bütehorn, Ute Pyell

Journal:

Journal of Chromatography A

Year:

1996

Language:

english

File:

PDF, 665 KB

english, 1996

25

Capillary electrochromatography with polymeric continuous beds synthesized via free radical polymerization in aqueous media using derivatized cyclodextrins as solubilizing agents

A Wahl, I Schnell, U Pyell

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 352 KB

english, 2004

26

Determination and regulation of the migration window in electrokinetic chromatography

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 201 KB

english, 2004

27

Investigation of the ion-exchange properties of methacrylate-based mixed-mode monolithic stationary phases employed as stationary phases in capillary electrochromatography

Fuad Al-Rimawi, Ute Pyell

Journal:

Journal of Chromatography A

Year:

2007

Language:

english

File:

PDF, 741 KB

english, 2007

28

Separation of very hydrophobic analytes by micellar electrokinetic chromatography: IV. Modeling of the effective electrophoretic mobility from carbon number equivalents and octanol–water partition coefficients

Carolin Huhn, Ute Pyell

Journal:

Journal of Chromatography A

Year:

2008

Language:

english

File:

PDF, 260 KB

english, 2008

29

Diffusion as major source of band broadening in field-amplified sample stacking under negligible electroosmotic flow velocity conditions

Carolin Huhn, Ute Pyell

Journal:

Journal of Chromatography A

Year:

2010

Language:

english

File:

PDF, 1.23 MB

english, 2010

30

Polyrotaxane approach for synthesis of continuous beds for capillary electrochromatography

O Kornyšova, R Šurna, V Snitka, U Pyell, A Maruška

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 838 KB

english, 2002

31

Optimization of resolution in micellar electrokinetic chromatography via computer-aided variation of concentrations of sodium dodecyl sulfate and acetonitrile as modifier

Ulf Bütehorn, Ute Pyell

Journal:

Journal of Chromatography A

Year:

1997

Language:

english

File:

PDF, 1.24 MB

english, 1997

32

Influence of sample plug width in capillary electrochromatography

U. Pyell, H. Rebscher, A. Banholczer

Journal:

Journal of Chromatography A

Year:

1997

Language:

english

File:

PDF, 603 KB

english, 1997

33

Simultaneous use of urea and acetonitrile as organic modifiers for optimization of resolution in micellar electrokinetic chromatography

Ulf Bütehorn, Ute Pyell

Journal:

Journal of Chromatography A

Year:

1997

Language:

english

File:

PDF, 109 KB

english, 1997

34

Widening of the elution window in micellar electrokinetic chromatography with cationic surfactants: I. Selection of surfactant, variation of pH and addition of organic modifiers or inorganic metal salts

Alexander Dworschak, Ute Pyell

Journal:

Journal of Chromatography A

Year:

1999

Language:

english

File:

PDF, 241 KB

english, 1999

35

Widening of the elution window in micellar electrokinetic chromatography with cationic surfactants: II. Cationic additives and modifiers of the electroosmotic flow

Alexander Dworschak, Ute Pyell

Journal:

Journal of Chromatography A

Year:

1999

Language:

english

File:

PDF, 201 KB

english, 1999

36

Some considerations concerning the composition of the mobile phase in capillary electrochromatography

Andreas Banholczer, Ute Pyell

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 179 KB

english, 2000

37

Advances in column technology and instrumentation in capillary electrochromatography

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 465 KB

english, 2000

38

Book reviews

F. Steiner, U. Pyell, C. Zwiener

Journal:

Chromatographia

Year:

2001

Language:

english

File:

PDF, 198 KB

english, 2001

39

Book reviews

D. Barceló, S. Lacorte, G. V. Garner, A. P. Gize, B. Mile, M. Cooke, S. A. Westwood, U. Pyell, R. D. Coker

Journal:

Chromatographia

Year:

2001

Language:

english

File:

PDF, 612 KB

english, 2001

40

The development of microparticulate cellulose-based packing materials and evaluation of potential use in capillary electrochromatography

A. Maruška, U. Pyell

Journal:

Chromatographia

Year:

1997

Language:

english

File:

PDF, 627 KB

english, 1997

41

Capillary electromigration separation techniques – current trends

Journal:

Analytical and Bioanalytical Chemistry

Year:

2003

Language:

english

File:

PDF, 195 KB

english, 2003

42

Sensitivity improvement in capillary electrophoresis using organo-aqueous separation buffers and thermal lens detection

Svetlana N. Bendrysheva, Mikhail A. Proskurnin, Ute Pyell, Werner Faubel

Journal:

Analytical and Bioanalytical Chemistry

Year:

2006

Language:

english

File:

PDF, 339 KB

english, 2006

43

Calibration-free concentration determination of charged colloidal nanoparticles and determination of effective charges by capillary isotachophoresis

Ute Pyell, Wendelin Bücking, Carolin Huhn, Barbara Herrmann, Alexey Merkoulov, Joachim Mannhardt, Hartmut Jungclas, Thomas Nann

Journal:

Analytical and Bioanalytical Chemistry

Year:

2009

Language:

english

File:

PDF, 327 KB

english, 2009

44

Ligand-exchange chromatographic separation of polycyclic aromatic hydrocarbons and polycyclic aromatic sulfur heterocycles on a chelating silica gel loaded with palladium (II) or silver (I) cations

U. Pyell, S. Schober, G. Stork

Journal:

Analytical and Bioanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 129 KB

english, 1997

45

Flow injection electrochemical hydride generation atomic absorption spectrometry (FI-EHG-AAS) as a simple device for the speciation of inorganic arsenic and selenium

U. Pyell, A. Dworschak, F. Nitschke, B. Neidhart

Journal:

Analytical and Bioanalytical Chemistry

Year:

1999

Language:

english

File:

PDF, 65 KB

english, 1999

46

Micellar electrokinetic chromatography – From theoretical concepts to real samples (Review)

Journal:

Analytical and Bioanalytical Chemistry

Year:

2001

Language:

english

File:

PDF, 175 KB

english, 2001

47

Separation of tetrachloro-p-dioxin isomers by high-performance liquid chromatography with electron-acceptor and electron-donor stationary phases

U. Pyell, P. Garrigues, G. Félix, M.T. Rayez, A. Thienpont, P. Dentraygues

Journal:

Journal of Chromatography A

Year:

1993

Language:

english

File:

PDF, 353 KB

english, 1993

48

In-column versus on-column fluorescence detection in capillary electrochromatography

Hans Rebscher, Ute Pyell

Journal:

Journal of Chromatography A

Year:

1996

Language:

english

File:

PDF, 685 KB

english, 1996

49

Capillary electrochromatography: normal-phase mode using silica gel and cellulose-based packing materials

Audrius Maruška, Ute Pyell

Journal:

Journal of Chromatography A

Year:

1997

Language:

english

File:

PDF, 508 KB

english, 1997

50

Characterization of a chelating silica gel with immobilized 2-amino-1-cyclopentene-1-dithiocarboxylic acid (ACDA)

U. Pyell, G. Stork

Journal:

Analytical and Bioanalytical Chemistry

Year:

1992

Language:

english

File:

PDF, 368 KB

english, 1992