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Chemistry

D-Index
55
Citations
7501
World Ranking
12426
National Ranking
233

Overview

U.R. Tjaden is affiliated with Leiden University in the Netherlands. Their academic profile reflects a focus on research and scientific contributions linked to this institution.

Though specific details about recent papers, coauthors, publication venues, and topics of work are not documented, the affiliation with Leiden University situates their career in a recognized academic environment known for various research activities.

There are no recorded book publications, awards, or particular fields and subfields of study associated with U.R. Tjaden in the available data. Similarly, frequent publication venues and frequent co-authors are not specified.

This profile summarizes the documented aspects of U.R. Tjaden's academic standing based on the currently available data without extrapolation beyond the verified information provided.

Best Publications

  • High-performance liquid chromatography with on-line coupled UV, mass spectrometric and biochemical detection for identification of acetylcholinesterase inhibitors from natural products

    K. Ingkaninan;C.M. de Best;R. van der Heijden;A.J.P. Hofte

  • Isotachophoresis as an on-line concentration pretreatment technique in capillary electrophoresis.

    D.S. Stegehuis;H. Irthu;U.R. Tjaden;J. Van Der Greef

  • Neuropeptide expression and processing as revealed by direct matrix-assisted laser desorption ionization mass spectrometry of single neurons

    C. R. Jimenez;P. A. van Veelen;K. W. Li;W. C. Wildering

  • Attomole detection of proteins by matrix-assisted laser desorption/ionization mass spectrometry with the use of picolitre vials

    S. Jespersen;W. M. A. Niessen;U. R. Tjaden;J. van der Greef

  • Pseudo-electrochromatography-mass spectrometry: a new alternative

    E.R. Verheij;U.R. Tjaden;W.M.A. Niessen;J. Van der Greef

  • Capillary electrophoresis—mass spectrometry

    W.M.A. Niessen;U.R. Tjaden;J. van der Greef

  • Automated isotachophoretic analyte focusing for capillary zone electrophoresis in a single capillary using hydrodynamic back-pressure programming

    N.J. Reinhoud;U.R. Tjaden;J. van der Greef

  • Rapid detection and identification of angiotensin-converting enzyme inhibitors by on-line liquid chromatography-biochemical detection, coupled to electrospray mass spectrometry.

    Danny A. van Elswijk;Otto Diefenbach;Sonja van der Berg;Hubertus Irth

  • Direct peptide profiling of single neurons by matrix‐assisted laser desorption–ionization mass spectrometry

    P. A. van Veelen;C. R. Jiménez;K. W. Li;W. C. Wildering

  • Determination of (endogenous) vitamin K1 in human plasma by reversed-phase high-performance liquid chromatography using fluorometric detection after post-column electrochemical reduction. Comparison with ultraviolet, single and dual electrochemical detection.

    J.P. Langenberg;U.R. Tjaden

  • Pseudo-electrochromatography--negative-ion electrospray mass spectrometry of aromatic glucuronides and food colours.

    M. Hugener;A.P. Tinke;W.M.A. Niessen;U.R. Tjaden

  • On-line immunochemical detection in liquid chromatography using fluorescein-labelled antibodies

    H. Irth;A.J. Oosterkamp;W. van der Welle;U.R. Tjaden

  • Liquid chromatography-mass spectrometry with on-line solid-phase extraction by a restricted-access C18 precolumn for direct plasma and urine injection.

    R.A.M. van der Hoeven;A.J.P. Hofte;M. Frenay;H. Irth

  • A free-flow electrophoresis chip device for interfacing capillary isoelectric focusing on-line with electrospray mass spectrometry.

    Anne Chartogne;Ubbo R. Tjaden;Jan Van der Greef

  • Quantitative bioanalysis using matrix-assisted laser desorption/ionization mass spectrometry

    S. Jespersen;W.M.A. Niessen;U.R. Tjaden;J. van der Greef

  • Anodic coulometric detection with a glassy carbon electrode in combination with reversed-phase high-performance liquid chromatography : Determination of blood levels of perphenazine and fluphenazine☆

    U R Tjaden;J Lankelma;H Poppe

  • Analyte focusing in capillary electrophoresis using on-line isotachophoresis

    D.S. Stegehuis;U.R. Tjaden;J. van der Greef

  • Bioanalysis of some anthracyclines in human plasma by capillary electrophoresis with laser-induced fluorescence detection.

    N.J. Reinhoud;U.R. Tjaden;H. Irth;J. van der Greef

  • Chromatographic analysis of anticancer drugs

    U.R. Tjaden;E.A. De Bruijn

  • A novel sheathless and electrodeless microelectrospray interface for the on‐line coupling of capillary zone electrophoresis to mass spectrometry

    M. Mazereeuw;A.J.P. Hofte;U.R. Tjaden;J. van der Greef

Frequent Co-Authors

J. van der Greef
J. van der Greef Leiden University
Wilfried M. A. Niessen
Wilfried M. A. Niessen Vrije Universiteit Amsterdam
Robert van der Heijden
Robert van der Heijden Bruker Nederland
Philippe Hubert
Philippe Hubert University of Liège
Jacques Crommen
Jacques Crommen University of Liège
Thomas Hankemeier
Thomas Hankemeier Leiden University
György Marko-Varga
György Marko-Varga Lund University
Ka Wan Li
Ka Wan Li Vrije Universiteit Amsterdam
Robert Verpoorte
Robert Verpoorte Leiden University

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