Artifact formation due to ethyl thio-incorporation into silylated steroid structures as determined in doping analysisVAN DE KERKHOF, D. H; VAN OOIJEN, R. D; DE BOER, D et al.Journal of chromatography. 2002, Vol 954, Num 1-2, pp 199-206, issn 0021-9673Article

Characterization of mutagenic compounds in heated orange juice by UV and mass spectraEKASARI, I; FOKKENS, R. H; BONESTROO, M. H et al.Food chemistry. 1993, Vol 46, Num 1, pp 77-79, issn 0308-8146Article

Gas-phase chemistry of metal oxide anions : reactions of dioxomanganate(III), MnO₂^-, and trioxomanganate(V), MnO₃^-, ions with monofluoro- and pentafluoro-aromatic compoundsFOKKENS, R. H; GREGOR, I. K; NIBBERING, N. M. M et al.Organic mass spectrometry. 1992, Vol 27, Num 10, pp 1013-1018, issn 0030-493XArticle

Gas-phase chemistry of metal oxide anions. The reactions of dioxomanganate(III), MnO₂^- and trioxomanganate(V), MnO₃^- ions with aliphatic alcoholsFOKKENS, R. H; GREGOR, I. K; NIBBERING, N. M. M et al.Rapid communications in mass spectrometry. 1991, Vol 5, Num 8, pp 368-370, issn 0951-4198Article

On the structure and isomerization/dissociation reactions of C₃H₆N⁺ generated by methylation of acetonitrile in the gas phaseWINCEL, H; FOKKENS, R. H; NIBBERING, N. M. M et al.International journal of mass spectrometry and ion processes. 1989, Vol 91, Num 3, pp 339-355, issn 0168-1176Article

Rearrangement and fragmentation of protonated acetonitrileWINCEL, H; FOKKENS, R. H; NIBBERING, N. M. M et al.International journal of mass spectrometry and ion processes. 1989, Vol 88, Num 2-3, pp 241-256, issn 0168-1176Article

Ion-neutral complexes in gas-phase dissociations of protonated nitriles : n-C₃H₇CNH⁺ and i-C₃H₇CNH⁺WINCEL, H; FOKKENS, R. H; NIBBERING, N. M. M et al.Journal of the American Society for Mass Spectrometry. 1991, Vol 2, Num 2, pp 178-179, issn 1044-0305, 2 p.Article

Electron impact-induced fragmentation of 2,1-benzisothiazoline 2,2-dioxideDANIKIEWICZ, W; WOJCIECHOWSKI, K; FOKKENS, R. H et al.Organic mass spectrometry. 1993, Vol 28, Num 8, pp 853-859, issn 0030-493XArticle

Re-examination of cellular cyclic β-1,2-glucans of Rhizobiaceae : distribution of ring sizes and degrees of glycerol-1-phosphate substitutionZEVENHUIZEN, L. P. T. M; VAN VELDHUIZEN, A; FOKKENS, R. H et al.Antonie van Leeuwenhoek. 1990, Vol 57, Num 3, pp 173-178, issn 0003-6072Article

Energy-dependent reversal of secondary isotope effects on simple cleavage reactions: tertiary amine radical cations with deuterium at remote positionsINGEMANN, S; HAMMERUM, S; DERRICK, P. J et al.Organic mass spectrometry. 1989, Vol 24, Num 10, pp 885-888, issn 0030-493XArticle

High front- and back-end resolution MS/MS in Fourier transform ion cyclotron resonance mass spectrometryDE KONING, L. J; FOKKENS, R. H; PINKSE, F. A et al.International journal of mass spectrometry and ion processes. 1987, Vol 77, Num 1, pp 95-105, issn 0168-1176Article

2-Acylindole alkaloids from leaves of Pterotaberna inconspicuaBAKANA, P; DOMMISSE, R; ESMANS, E et al.Planta medica. 1984, Vol 51, Num 4, pp 331-334, issn 0032-0943Article

Methodology for the development of a drug library based upon collision-induced fragmentation for the identification of toxicologically relevant drugs in plasma samplesLIPS, A. G. A. M; LAMEIJER, W; FOKKENS, R. H et al.Journal of chromatography. B, Biomedical sciences and applications. 2001, Vol 759, Num 2, pp 191-207, issn 1387-2273Article

On the mechanism of the ethyl elimination from the molecular from ion of 6-methoxy-1-hexeneMOLENAAR-LANGEVELD, T. A; FOKKENS, R. H; NIBBERING, N. M. M et al.Organic mass spectrometry. 1988, Vol 23, Num 5, pp 364-369, issn 0030-493XArticle

Studies on the fluorescent oxidation products of the molybdenum cofactorCLAASSEN, V. P; VAN SPANNING, R. J. M; OLTMANN, L. F et al.Antonie van Leeuwenhoek. 1984, Vol 50, Num 1, pp 83-84, issn 0003-6072Article

Gas-phase chemistry of the negative ions derived from azo- and hydrazobenzeneINGEMANN, S; FOKKENS, R. H; NIBBERING, N. M. M et al.Journal of organic chemistry. 1991, Vol 56, Num 2, pp 607-612, issn 0022-3263Article

On the rearrangement of the cyanomethyl cation derived from gaseous acetonitrileWINCEL, H; FOKKENS, R. H; NIBBERING, N. M. M et al.International journal of mass spectrometry and ion processes. 1990, Vol 96, Num 3, pp 321-330, issn 0168-1176Article

On the mechanisms of electron-impact-induced sulfur dioxide elimination from the molecular ions of 4-nitro- and 6-nitro-2,1-benzisothiazoline 2,2-dioxide derivativesDANIKIEWICZ, W; WOJCIECHOWSKI, K; FOKKENS, R. H et al.Rapid communications in mass spectrometry. 1993, Vol 7, Num 8, pp 763-768, issn 0951-4198Article

Verification of the postion of the phosphate group in some synthetic phosphopeptides by fast-atom bombardment and tandem mass spectrometryNIJENHUIS, A. A; FOKKENS, R. H; NIBBERING, N. M. M et al.Rapid communications in mass spectrometry. 1993, Vol 7, Num 8, pp 774-779, issn 0951-4198Article

Degradation of mitomycin C in acid phosphate and acetate buffer solutionsBEIJNEN, J. H; FOKKENS, R. H; ROSING, H et al.International journal of pharmaceutics. 1986, Vol 32, Num 2-3, pp 111-121, issn 0378-5173Article

Prenatal diagnosis of a thyroglobulin synthesis defect in goatsKOK, K; VAN DIJK, J. E; FOKKENS, R. H et al.Acta endocrinologica (Oslo). 1985, Vol 110, Num 1, pp 83-89, issn 0001-5598Article

Identification and characterization of dolichyl dolichoate, a novel isoprenoic derivative in bovine thyroidSTEEN, L; VAN DESSEL, G; DE WOLF, M et al.Biochimica et biophysica acta. 1984, Vol 796, Num 3, pp 294-303, issn 0006-3002Article

Generation and metastable ion characterization of the pair of radical cation keto/enol tautomers of phenylketeneSHOKHBA, A. A. A; YAMAOKA, H; HORI, K et al.Organic mass spectrometry. 1994, Vol 29, Num 3, pp 155-156, issn 0030-493XArticle

Fast atom bombardment and tandem mass spectrometry of synthetic nucleopeptidesWAGHMARE, S. V; FOKKENS, R. H; NIBBERING, N. M. M et al.Biological mass spectrometry. 1991, Vol 20, Num 9, pp 534-544Article

Fast atom bombardment mass spectra of some N,N'-tetramethyl diazacoronands diiodidesBARANOWSKA, E; OSTASZEWSKI, R; JURCZAK, J et al.Organic mass spectrometry. 1989, Vol 24, Num 6, pp 431-434, issn 0030-493XArticle