Johan Haverkamp

Overview

Best Publications

• Determination of the primary structures of 16 asialo-carbohydrate units derived from human plasma alpha 1-acid glycoprotein by 360-MHZ 1H NMR spectroscopy and permethylation analysis.

  Fournet B;Montreuil J;Strecker G;Dorland L

  592
  Citations

• High-resolution 1H-NMR spectroscopy of free and glycosidically linked O-acetylated sialic acids

  Johan Haverkamp;Herman Van Halbeek;Lambertus Dorland;Johannes F. G. Vliegenthart

  222
  Citations

• The structure of the asialo-carbohydrate units of human serotransferrin as proven by 360 MHz proton magnetic resonance spectroscopy.

  L. Dorland;J. Haverkamp;B.L. Schut;J.F.G. Vliegenthart

  198
  Citations

• Kerogen of Toarcian shales of the Paris Basin. A study of its maturation by flash pyrolysis techniques

  Ger van Graas;J.W de Leeuw;P.A Schenck;J Haverkamp

  167
  Citations

• 360-MHz 1H nuclear-magnetic-resonance spectroscopy of sialyl-oligosaccharides from patients with sialidosis (mucolipidosis I and II).

  Lambertus Dorland;Johan Haverkamp;Johannes F. G. Vliegenthart;Gérard Strecker

  147
  Citations

• Identification of Oxidized Methionine in Peptides

  Fija M. Lagerwerf;Marco van de Weert;Wigger Heerma;Johan Haverkamp

  146
  Citations

• Isolation, chemical structures and biological activity of the lipo-chitin oligosaccharide nodulation signals from Rhizobium etli.

  Luis Cárdenas;Jimena Domínguez;Carmen Quinto;Isabel M. López-Lara

  143
  Citations

• Sodium-cationized oligosaccharides do not appear to undergo 'internal residue loss' rearrangement processes on tandem mass spectrometry.

  L. P. Brüll;V. Kovácik;J. E. Thomas-Oates;W. Heerma

  136
  Citations

• Electrospray ionization mass spectrometry as a tool to analyze hydrogen/deuterium exchange kinetics of transmembrane peptides in lipid bilayers

  Jeroen A. A. Demmers;Johan Haverkamp;Albert J. R. Heck;Roger E. Koeppe

  134
  Citations

• Factors Affecting Gas-Phase Deuterium Scrambling in Peptide Ions and Their Implications for Protein Structure Determination

  Jeroen A. A. Demmers;Dirk T. S. Rijkers;Johan Haverkamp;and J. Antoinette Killian

  129
  Citations

• Synthesis of 9-O-Acetyl- and 4,9-Di-O-Acetyl Derivatives of the Methyl Ester of N-Acetyl-β-D-Neuraminic Acid Methylglycoside. Their Use as Models in Periodate Oxidation Studies

  Johan Haverkamp;Roland Schauer;Margret Wember;Johannis P. Kamerling

  123
  Citations

• Structural identification of metabolites produced by the NodB and NodC proteins of Rhizobium leguminosarum.

  Spaink Hp;Wijfjes Ah;van der Drift Km;Haverkamp J

  121
  Citations

• Oligosaccharide characterization using collision-induced dissociation fast atom bombardment mass spectrometry: Evidence for internal monosaccharide residue loss

  V. Kováčik;J. Hirsch;P. Kováč;W. Heerma

  121
  Citations

• Investigation by 360‐MHz 1H‐Nuclear‐Magnetic‐Resonance Spectroscopy and Methylation Analysis of the Single Glycan Chain of Chicken Ovotransferrin

  Lambertus Dorland;Johan Haverkamp;Johannes F. G. Vliegenthart;Geneviève Spik

  121
  Citations

• Quantification of ACE inhibiting peptides in human plasma using high performance liquid chromatography–mass spectrometry

  Chris J. van Platerink;Hans-Gerd M. Janssen;Roos Horsten;Johan Haverkamp

  117
  Citations

• Determination of the .beta.-anomeric configuration of cytidine 5'-monophospho-N-acetylneuraminic acid by carbon-13 NMR spectroscopy

  Johan Haverkamp;Tom Spoormaker;Lambertus Dorland;Johannes F. G. Vliegenthart

  114
  Citations

• Structure of seven oligosaccharides excreted in the urine of a patient with Sandhoff's disease (GM2 gangliosidosis-variant O).

  Gérard Strecker;Marie-Claire Herlant-Peers;Bernard Fournet;Jean Montreuil

  113
  Citations

• Towards the understanding of molecular mechanisms in the early stages of heat-induced aggregation of β-lactoglobulin AB

  Y Surroca;J Haverkamp;A.J.R Heck

  108
  Citations

• Application of at-line two-dimensional liquid chromatography–mass spectrometry for identification of small hydrophilic angiotensin I-inhibiting peptides in milk hydrolysates

  Chris J. van Platerink;Hans-Gerd M. Janssen;Johan Haverkamp

  107
  Citations

• Structure determination of oligosaccharides isolated from A+, H+ and A-H- hog-submaxillary-gland mucin glycoproteins, by 360-MHz 1H-NMR spectroscopy, permethylation analysis and mass spectrometry.

  Herman Van Halbeek;Lambertus Dorland;Johan Haverkamp;Gerrit A. Veldink

  106
  Citations

• The occurrence of internal (1 --> 5)-linked arabinofuranose and arabinopyranose residues in arabinogalactan side chains from soybean pectic substances.

  Miranda M.H. Huisman;Lars P. Brüll;Jane E. Thomas-Oates;Johan Haverkamp

  105
  Citations