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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

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

22

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

23

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

24

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

25

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

26

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

27

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

28

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

29

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

30

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

31

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

32

Advances in column technology and instrumentation in capillary electrochromatography

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 465 KB

english, 2000

33

Capillary electromigration separation techniques – current trends

Journal:

Analytical and Bioanalytical Chemistry

Year:

2003

Language:

english

File:

PDF, 195 KB

english, 2003

34

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

35

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

36

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

37

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

38

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

39

Optimization of Instrumental Parameters of a Near-Field Thermal-Lens Detector for Capillary Electrophoresis

Proskurnin, Mikhail A., Bendrysheva, Svetlana N., Ragozina, Nataliya, Heissler, Stefan, Faubel, Werner, Pyell, Ute

Journal:

Applied Spectroscopy

Year:

2005

Language:

english

File:

PDF, 287 KB

english, 2005

40

Sensitivity Enhancement in Near-Field Photothermal-Lens Detection in Capillary Electrophoresis Using Laser-Induced Online Precipitation

Nedosekin, Dmitry A., Faubel, Werner, Proskurnin, Mikhail A., Pyell, Ute

Journal:

Applied Spectroscopy

Year:

2011

Language:

english

File:

PDF, 466 KB

english, 2011

41

Adamantyl-group containing mixed-mode acrylamide-based continuous beds for capillary electrochromatography. Part I: Study of a synthesis procedure including solubilization of N-adamantyl-acrylamide via complex formation with a water-soluble cyclodextrin

Al-Massaedh, Ayat Allah, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2013

Language:

english

File:

PDF, 1.14 MB

english, 2013

42

Rezensionen

Schindler, Siegfried, Steiner, Gerald, Lanig, Harald, Leberer, Ekkehard, Pyell, Ute

Journal:

Nachrichten aus der Chemie

Year:

2009

Language:

german

File:

PDF, 1.99 MB

german, 2009

43

Robust analysis of the hydrophobic basic analytes loratadine and desloratadine in pharmaceutical preparations and biological fluids by sweeping—cyclodextrin-modified micellar electrokinetic chromatography

El-Awady, Mohamed, Belal, Fathalla, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2013

Language:

english

File:

PDF, 1.50 MB

english, 2013

44

Adamantyl-group containing mixed-mode acrylamide-based continuous beds for capillary electrochromatography. Part IV: Investigation of the chromatographic efficiency dependent on the retention mode

Al-Massaedh, “Ayat Allah”, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2014

Language:

english

File:

PDF, 914 KB

english, 2014

45

Announcement

Al-Massaedh, “Ayat Allah”, Pyell, Ute

Journal:

Clinical and Diagnostic Virology

Year:

1995

Language:

english

File:

PDF, 68 KB

english, 1995

46

Adamantyl-group containing mixed-mode acrylamide-based continuous beds for capillary electrochromatography. Part II. Characterization of the synthesized monoliths by inverse size exclusion chromatography and scanning electron microscopy

“Ayat Allah” Al-Massaedh,, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2014

Language:

english

File:

PDF, 1.44 MB

english, 2014

47

Adamantyl-group containing mixed-mode acrylamide-based continuous beds for capillary electrochromatography. Part III. Optimization of the chromatographic efficiency

Al-Massaedh, “Ayat Allah”, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2014

Language:

english

File:

PDF, 1.02 MB

english, 2014

48

Sweeping as a multistep enrichment process in micellar electrokinetic chromatography: The retention factor gradient effect

El-Awady, Mohamed, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2013

Language:

english

File:

PDF, 2.13 MB

english, 2013

49

Processes involved in sweeping under inhomogeneous electric field conditions as sample enrichment procedure in micellar electrokinetic chromatography

El-Awady, Mohamed, Huhn, Carolin, Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2012

Language:

english

File:

PDF, 1.19 MB

english, 2012

50

Imidazolium-based ionic liquid-type surfactant as pseudostationary phase in micellar electrokinetic chromatography of highly hydrophilic urinary nucleosides

Rageh, Azza H., Pyell, Ute

Journal:

Journal of Chromatography A

Year:

2013

Language:

english

File:

PDF, 2.28 MB

english, 2013