Willy J.M. Underberg: search on Z-Library

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1

Hydrolysis of saturated soybean phosphatidylcholine in aqueous liposome dispersions

Mustafa Grit, Willy J. M. Underberg, Daan J. A. Crommelin

Journal:

Journal of Pharmaceutical Sciences

Year:

1993

Language:

english

File:

PDF, 530 KB

english, 1993

2

Derivatization trends in capillary electrophoresis

Joop C. M. Waterval, Henk Lingeman, Auke Bult, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

2000

Language:

english

File:

PDF, 138 KB

english, 2000

3

Derivatization trends in capillary electrophoresis: An update

Willy J. M. Underberg, Joop C. M. Waterval

Journal:

ELECTROPHORESIS

Year:

2002

Language:

english

File:

PDF, 103 KB

english, 2002

4

Coupling of sequential injection analysis and capillary electrophoresis – Laser-induced fluorescence via a valve interface for on-line derivatization and analysis of amino acids and peptides

Constantinos K. Zacharis, F.W. Alexander Tempels, Georgios A. Theodoridis, Anastasios N. Voulgaropoulos, Willy J.M. Underberg, Govert W. Somsen, Gerhardus J. de Jong

Journal:

Journal of Chromatography A

Year:

2006

Language:

english

File:

PDF, 231 KB

english, 2006

5

On-line sample preconcentration in capillary electrophoresis, focused on the determination of proteins and peptides

Thom Stroink, Edwin Paarlberg, Joop C. M. Waterval, Auke Bult, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

2001

Language:

english

File:

PDF, 84 KB

english, 2001

6

Pre-, on- and post-column derivatization in capillary electrophoresis

Heleen A. Bardelmeijer, Joop C. M. Waterval, Henk Lingeman, Ron van 't Hof, Auke Bult, Dr. Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

1997

Language:

english

File:

PDF, 1.31 MB

english, 1997

7

Interlaboratory reproducibility of mobility parameters in capillary electrophoresis for substance identification in systematic toxicological analysis

Carolien M. Boone, Giulia Manetto, Franco Tagliaro, Joop C. M. Waterval, Willy J. M. Underberg, Jan-Piet Franke, Rokus A. de Zeeuw, Kees Ensing

Journal:

ELECTROPHORESIS

Year:

2002

Language:

english

File:

PDF, 388 KB

english, 2002

8

On-line multidimensional liquid chromatography and capillary electrophoresis systems for peptides and proteins

Thom Stroink, Mireya Castillo Ortiz, Auke Bult, Henk Lingeman, Gerhardus J. de Jong, Willy J.M. Underberg

Journal:

Journal of Chromatography B

Year:

2005

Language:

english

File:

PDF, 747 KB

english, 2005

9

Comparison between transient isotachophoretic capillary zone electrophoresis and reversed-phase liquid chromatography for the determination of peptides in plasma

Joop C. M. Waterval, Hans Krabbe, Jan Teeuwsen, Auke Bult, Henk Lingeman, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

1999

Language:

english

File:

PDF, 120 KB

english, 1999

10

Quantitative analysis of pharmaceutically active peptides using on-capillary analyte preconcentration transient isotachophoresis

Joop C. M. Waterval, Gerald Hommels, Jan Teeuwsen, Auke Bult, Henk Lingeman, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

2000

Language:

english

File:

PDF, 359 KB

english, 2000

11

On-line coupling of size exclusion and capillary zone electrophoresis via a reversed-phase C18 trapping column for the analysis of structurally related enkephalins in cerebrospinal fluid

Thom Stroink, Gerard Wiese, Jan Teeuwsen, Henk Lingeman, Joop C. M. Waterval, Auke Bult, Gerhardus J. de Jong, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

2003

Language:

english

File:

PDF, 120 KB

english, 2003

12

Fluorimetric determination of acidity constants of naphthoic and anthroic acids

Willy J.M. Underberg, Stephen G. Schulman

Journal:

Analytica Chimica Acta

Year:

1979

Language:

english

File:

PDF, 498 KB

english, 1979

13

Degradation kinetics of gonadorelin in aqueous solution

Marnix A. Hoitink, Jos H. Beijnen, Auke Bult, Oeds A. G. J. van der Houwen, Jack Nijholt, Willy J. M. Underberg

Journal:

Journal of Pharmaceutical Sciences

Year:

1996

Language:

english

File:

PDF, 180 KB

english, 1996

14

Acidity of cyanophenols in the S1 and T1 states. The influence of substituent orientation

Schulman, Stephen G., Vincent, William R., Underberg, Willy J. M.

Journal:

Journal of Physical Chemistry

Year:

1981

Language:

english

File:

PDF, 558 KB

english, 1981

15

Chemical Stability of Suramin in Commonly used Infusion Fluids

Beijnen, Jos H., van Gijn, Roel, Horenblas, Simon, Underberg, Willy J. M.

Journal:

Year:

1990

Language:

english

File:

PDF, 513 KB

english, 1990

16

Analytical techniques used to study the degradation of proteins and peptides: chemical instability

J.Léon E Reubsaet, Jos H Beijnen, Auke Bult, Rianne J van Maanen, J.A.Daniëlle Marchal, Willy J.M Underberg

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1998

Language:

english

File:

PDF, 270 KB

english, 1998

17

Development of an on-line size exclusion chromatographic — reversed-phase liquid chromatographic two-dimensional system for the quantitative determination of peptides with concentration prior to reversed-phase liquid chromatographic separation

Thom Stroink, Gerard Wiese, Henk Lingeman, Auke Bult, Willy J.M Underberg

Journal:

Analytica Chimica Acta

Year:

2001

Language:

english

File:

PDF, 169 KB

english, 2001

18

Analytical techniques used to study the degradation of proteins and peptides: physical instability

J.Léon E Reubsaet, Jos H Beijnen, Auke Bult, Rianne J van Maanen, J.A.Daniëlle Marchal, Willy J.M Underberg

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1998

Language:

english

File:

PDF, 72 KB

english, 1998

19

Oxidation of recombinant methionyl human granulocyte colony stimulating factor

J.Léon E. Reubsaet, Jos H. Beijnen, Auke Bult, Ed Hop, Serge D. Scholten, Jan Teeuwsen, Willy J.M. Underberg

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1998

Language:

english

File:

PDF, 120 KB

english, 1998

20

A systematic study on the chemical stability of mitomycin A and mitomycin B.

BEIJNEN, Jos H., VAN DER HOUWEN, OEDS A.G.J., ROSING, HILDE, UNDERBERG, WILLY J.M.

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1986

File:

PDF, 1.15 MB

1986

21

Chromatographic preconcentration coupled on-line to capillary electrophoresis via a Tee-split interface

F.W. Alexander Tempels, Jan Teeuwsen, Ioannis K. Kyriakou, Georgios Theodoridis, Willy J.M. Underberg, Govert W. Somsen, Gerhardus J. de Jong

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 99 KB

english, 2004

22

Qualitative and quantitative aspects of the degradation of several tripeptides derived from the antitumour peptide antagonist [Arg6, D-Trp7,9, MePhe8] substance P{6–11}

J.Léon E Reubsaet, Jos H Beijnen, Esther H.M Belshof, Mohamed Bouyakhrichan, Auke Bult, Ed Hop, Yunus Kellekule, Rianne J van Maanen, Jan Teeuwsen, Willy J.M Underberg

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1999

Language:

english

File:

PDF, 119 KB

english, 1999

23

Analysis of 4-demethoxydaunorubicin and metabolites in plasma and urine.

BEIJNEN, Jos H., NEEF, Cees, BOUMA, Jaap, PAALMAN, Adolf C.A., UNDERBERG, Willy J.M.

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1988

File:

PDF, 779 KB

1988

24

On-line coupling of size exclusion chromatography and capillary electrophoresis via solid-phase extraction and a Tee-split interface

F.W. Alexander Tempels, Gerard Wiese, Willy J.M. Underberg, Govert W. Somsen, Gerhardus J. de Jong

Journal:

Journal of Chromatography B

Year:

2006

Language:

english

File:

PDF, 137 KB

english, 2006

25

Robust and cost-effective capillary electrophoresis-mass spectrometry interfaces suitable for combination with on-line analyte preconcentration

Joop C. M. Waterval, Petra Bestebreurtje, Henk Lingeman, Cees Versluis, Albert J. R. Heck, Auke Bult, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

2001

Language:

english

File:

PDF, 140 KB

english, 2001

26

Identification of the Degradation Products of Gonadorelin and Three Analogues in Aqueous Solution

Hoitink, Marnix A., Beijnen, Jos H., Boschma, Marcel U. S., Bult, Auke, Hop, Ed, Nijholt, Jack, Versluis, Cees, Wiese, Gerard, Underberg, Willy J. M.

Journal:

Analytical Chemistry

Year:

1997

Language:

english

File:

PDF, 180 KB

english, 1997

27

Capillary electrophoretic bioanalysis of therapeutically active peptides with UV and mass spectrometric detection after on-capillary preconcentration

Joop C. M. Waterval, Gerald Hommels, Petra Bestebreurtje, Cees Versluis, Albert J. R. Heck, Auke Bult, Henk Lingeman, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

2001

Language:

english

File:

PDF, 99 KB

english, 2001

28

Fluorimetric determination of dissociation constants of aryl-substituted alkylammonium ions

Stephen G. Schulman, Willy J.M. Underberg

Journal:

Analytica Chimica Acta

Year:

1979

Language:

english

File:

PDF, 476 KB

english, 1979

29

Inclusion complex formation of anthracycline antibiotics with cyclodextrins; a proton nuclear magnetic resonance and molecular modelling study

Otto Bekers, Jantina J. Van Den Bosch Kettenes, Steven P. Van Helden, Don Seijkens, Jos H. Beijnen, Auke Bulti, Willy J. M. Underberg

Journal:

Journal of Inclusion Phenomena and Macrocyclic Chemistry

Year:

1991

Language:

english

File:

PDF, 445 KB

english, 1991

30

pH-dependence of the fluorescence of acridone in aqueous mineral acid solutions

Stephen G. Schulman, Willy J.M. Underberg

Journal:

Analytica Chimica Acta

Year:

1979

Language:

english

File:

PDF, 251 KB

english, 1979

31

Degradation Kinetics of Three Gonadorelin Analogues: Developing a Method for Calculating Epimerization Parameters

Marnix A. Hoitink, Jos H. Beijnen, Marcel U. S. Boschma, Auke Bult, Oeds A. G. J. van der Houwen, Gerard Wiese, Willy J. M. Underberg

Journal:

Pharmaceutical Research

Year:

1998

File:

PDF, 555 KB

1998

32

On-line coupling of SEC and RP–LC for the determination of structurally related enkephalins in cerebrospinal fluid

Thom Stroink, Gerard Wiese, Jan Teeuwsen, Henk Lingeman, Joop C.M Waterval, Auke Bult, Gerhardus J de Jong, Willy J.M Underberg

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2002

Language:

english

File:

PDF, 171 KB

english, 2002

33

EXCITATION WAVELENGTH DEPENDENCE OF PROTOTROPIC DISSOCIATION AND TAUTOMERISM OF SALICYLAMIDE IN THE LOWEST EXCITED SINGLET STATE

Stephen G. Schulman, Willy J. M. Underberg

Journal:

Photochemistry and Photobiology

Year:

1979

Language:

english

File:

PDF, 403 KB

english, 1979

34

Oxidation of Recombinant Human Interleukin-2 by Potassium Peroxodisulfate

Jenny A. Cadée, Mies J. van Steenbergen, Cees Versluis, Albert J. R. Heck, Willy J. M. Underberg, Willem den Otter, Wim Jiskoot, Wim E. Hennink

Journal:

Pharmaceutical Research

Year:

2001

Language:

english

File:

PDF, 169 KB

english, 2001

35

Reduction of Cys36–Cys42 and Cys64–Cys74 disulfide bonds in recombinant human granulocyte colony stimulating factor

J. Léon, E. Reubsaet, Jos H. Beijnen, Wout P. van Bennekom, Auke Bult, Arjan J. Hoekstra, Ed Hop, Peter J.H.J. van Os, Jan Teeuwsen, Willy J.M. Underberg

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1999

Language:

english

File:

PDF, 147 KB

english, 1999

36

Development of a routine analysis method for liposome encapsulated recombinant interleukin-2

Frank J. Koppenhagen, Gert Storm, Willy J.M. Underberg

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1998

Language:

english

File:

PDF, 96 KB

english, 1998

37

Development and validation of transient isotachophoretic capillary zone electrophoresis for determination of peptides

Joop C. M. Waterval, Charles J. L. la Porte, Ron van 't Hof, Jan Teeuwsen, Auke Bult, Henk Lingeman, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

1998

Language:

english

File:

PDF, 705 KB

english, 1998

38

Design and applications of coupled SPE-CE

F. W. Alexander Tempels, Willy J. M. Underberg, Govert W. Somsen, Gerhardus J. de Jong

Journal:

ELECTROPHORESIS

Year:

2008

Language:

english

File:

PDF, 564 KB

english, 2008

39

On-line coupling of SPE and CE-MS for peptide analysis

F. W. Alexander Tempels, Willy J. M. Underberg, Govert W. Somsen, Gerhardus J. de Jong

Journal:

ELECTROPHORESIS

Year:

2007

Language:

english

File:

PDF, 373 KB

english, 2007

40

Chromatographic Preconcentration Coupled To Capillary Electrophoresis via an In-Line Injection Valve

Tempels, F. W. Alexander, Underberg, Willy J. M., Somsen, Govert W., de Jong, Gerhardus J.

Journal:

Analytical Chemistry

Year:

2004

Language:

english

File:

PDF, 84 KB

english, 2004

41

On-line coupling of size-exclusion chromatography and capillary zone electrophoresis via a reversed-phase C18 trapping column for the determination of peptides in biological samples

Thom Stroink, Pim Schravendijk, Gerard Wiese, Jan Teeuwsen, Henk Lingeman, Joop C. M. Waterval, Auke Bult, Gerhardus J. de Jong, Willy J. M. Underberg

Journal:

ELECTROPHORESIS

Year:

2003

Language:

english

File:

PDF, 147 KB

english, 2003

42

Structural Identification of the Degradation Products of the Antitumor Peptide Antagonist [Arg6,D-Trp7,9,MePhe8]Substance P (6-11)

Reubsaet, J. Leon E., Beijnen, Jos H., Bult, Auke., Hop, Ed., Vermaas, Raymond., Kellekule, Yunus., Kettenes-van den Bosch, J. Jantien., Underberg, Willy J. M.

Journal:

Analytical Chemistry

Year:

1995

Language:

english

File:

PDF, 585 KB

english, 1995

43

Degradation of azaglycinamido residues in model tripeptides derived from goserelin

Marnix A. Hoitink, Jos H. Beijnen, Auke Bult, J. Mirjam A. Damen, Oeds A. G. J. van der Houwen, John A. W. Kruijtzer, Matthijs M. Tibben, Gerard Wiese, Willy J. M. Underberg

Journal:

Journal of Pharmaceutical Sciences

Year:

2000

Language:

english

File:

PDF, 198 KB

english, 2000

44

Capillary zone electrophoresis–mass spectrometry as a tool in the stability research of the luteinising hormone-releasing hormone analogue goserelin

Marnix A Hoitink, Ed Hop, Jos H Beijnen, Auke Bult, Jantien J Kettenes-van den Bosch, Willy J.M Underberg

Journal:

Journal of Chromatography A

Year:

1997

Language:

english

File:

PDF, 879 KB

english, 1997

45

Simultaneous determination of befunolol and its major metabolite, dihydrobefunolol, in plasma by high performance liquid chromatography.

NOZAKI, Yoshihide, IMAI, Teruko, GOTO, Keiko, IMAMURA, Yorishige, OTAGIRI, Masaki, UNDERBERG, Willy J.M.

Journal:

Analytical Sciences

Year:

1989

Language:

english

File:

PDF, 171 KB

english, 1989

46

Degradation kinetics of aplidine, a new marine antitumoural cyclic peptide, in aqueous solution

Joop C.M Waterval, Jeroen C Bloks, Rolf W Sparidans, Jos H Beijnen, Ignacio M Rodriguez-Campos, Auke Bult, Henk Lingeman, Willy J.M Underberg

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

2001

Language:

english

File:

PDF, 145 KB

english, 2001

47

Stereoselectivity in the mechanism of acid hydrolysis of mitomycins.

UNDERBERG, WILLY J.M., BEIJNEN, Jos H.

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 592 KB

english, 1987

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