Full Name
GELAN, Jan
Email
jan.gelan@uhasselt.be
 
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Publications

Results 115-186 of 186 (Search time: 0.003 seconds).

Issue DateTitleContributor(s)TypeCat.
1151998Effect of oxygen on the electrical characteristics of PPV-LEDsMANCA, Jean; Bijnens, W; KIEBOOMS, Rafael; D'HAEN, Jan; D'OLIESLAEGER, Marc; WU, Ting-Di; DE CEUNINCK, Ward; DE SCHEPPER, Luc; VANDERZANDE, Dirk; GELAN, Jan; STALS, MarkJournal Contribution
1161997High resolution MRI of flexor and extensor tendons in the human fingerLIPPENS, Peter; ADRIAENSENS, Peter; VAN ZWIETEN, Koos Jaap; GELAN, Jan; de Moor, O.Journal Contribution
1171997Synthesis of poly(isothianaphthene) from 1,1,3,3-tetrachlorothiophthalan and tert-butylmercaptan: mechanism and quantitative analysis by solid state nmrPAULUSSEN, Harald; OTTENBOURGS, Benjamin; VANDERZANDE, Dirk; ADRIAENSENS, Peter; GELAN, JanJournal Contribution
1181997Characterization of poly(isothianaphthene) derivatives and analogs by using solid-state C-13 NMROTTENBOURGS, Benjamin; PAULUSSEN, Harald; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1191997Spectroscopic analysis of poly(tetrafluoroisothianaphthene) and aromatic model compoundsKIEBOOMS, Rafael; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, Jan; Swann, M.J.; Bloor, D.; Drury, C.J.; Brooke, G.M.Journal Contribution
61997Synthesis of methyl- and methoxy-substituted poly(p-phenylene vinylene) via a non-ionic precursor routeVan Der Borght, M; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
71997The synthesis and characterization of soluble poly(isothianaphthene)-derivativesPAULUSSEN, Harald; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
81997Study of the mechanism of the polymerisation of alpha-leaving group-alpha'-polariser-p-xylene - Indications for a free radical mechanismIssaris, A; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
91997Polymerization of a p-quinodimethane derivative to a precursor of poly(p-phenylene vinylene) - Indications for a free radical mechanismIssaris, A; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
101997A general approach to precursors for poly(arylene vinylene) derivatives: Synthesis and behaviour in organic LED's.VANDERZANDE, Dirk; Issaris, AC; Van der Borght, MJ; VAN BREEMEN, ALBERT; de Kok, MM; GELAN, JanJournal Contribution
111997Poly(isothianaphthene) from 2,5-bis(trialkylsilyl)isothianaphthenes: Preparation and spectroscopic characterizationLapkowski, M; KIEBOOMS, Rafael; GELAN, Jan; VANDERZANDE, Dirk; Pron, A; Nguyen, TP; Louarn, G; Lefrant, SJournal Contribution
121997Preparation of poly(isothianaphthene) from 2,5-bis(trialkylsilyl)isothianaphthenesLapkowski, M; KIEBOOMS, Rafael; Pron, A; Chauvet, O; GELAN, Jan; VANDERZANDE, Dirk; Lefrant, SJournal Contribution
131997Grignard reactions on ortho dicarboxylic arene derivatives. Synthesis of 1,3-dithienylisothianaphthene compoundsKIEBOOMS, Rafael; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
141997The use of magnetic resonance imaging to study solvent diffusion in polymeric materialsERCKEN, Monique; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
151997On the hybrid watershed-neural network approach for the segmentation of high field MRI images of the spinal cordHEIRMAN, Peter; SERNEELS, Roger; VANDERSTEEN, Marjan; GELAN, Jan; BEULS, EmileProceedings Paper
161997Synthesis and characterization of soluble low bandgap polymers: formal copolymers based on poly-1, 3-dithienylisothianaphtheneVANGENEUGDEN, Dirk; KIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, JanProceedings Paper
171996The deformation of the cervicomedullary junction and spinal cord in a surgically treated adult Chiari type I hindbrain hernia associated with syringomyelia: a magnetic resonance microscopic and neuropathologic studyBEULS, Emile; VANDERSTEEN, Marjan; VANORMELINGEN, Linda; ADRIAENSENS, Peter; Freling, G.; Herpers, M.J.H.M.; GELAN, JanJournal Contribution
181996Poly(tetrafluorobenzo[c]thiophene). Structure analysis of oligomers and model compound based on 1D and 2D NMR spectroscopyKIEBOOMS, Rafael; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, Jan; Swann, MJ; Bloor, D; Drury, CJ; Brooke, GMJournal Contribution
191996New synthetic routes to poly(isothianaphthene) .2. Mechanistic aspects of the reactions of phthalic anhydride and phthalide with phosphorus pentasulfideVan Asselt, R.; VANDERZANDE, Dirk; GELAN, Jan; Froehling, P.E.; Aagaard, O.Journal Contribution
201996A new synthetic route to thiophthalic anhydride derivates, monomers to poly(isothianaphthene)PAULUSSEN, Harald; GELAN, Jan; VANDERZANDE, Dirk; van Asselt, R.Journal Contribution
211996Unexpected rearrangements in the synthesis of arylidene- or alkylidene-2-thiophthalidesPAULUSSEN, Harald; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
221996A new synthetic route to thiophthalic anhydride derivatives, monomers to poly(isothianaphthene)PAULUSSEN, Harald; van Asselt, R; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
231996Solid-state NMR study of the multiphase behavior of linear and cross-linked poly(1,3-dioxolane)DuPrez, FE; Goethals, EJ; ADRIAENSENS, Peter; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
241996Polymers for colon specific drug deliverySchacht, E; Gevaert, A; Kenawy, ER; Molly, K; Verstraete, W; ADRIAENSENS, Peter; CARLEER, Robert; GELAN, JanJournal Contribution
251996H-1 and C-13 NMR spectroscopy as a tool to probe the microstructures of different types of poly(vinyl formal)POLLERS, Ingrid; ADRIAENSENS, Peter; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
261996Imaging of the ageing on organic electroluminescent diodes, under different atmospheres by impedance spectroscopy, scanning electron microscopy and SIMS depth profiling analysisBijnens, W; MANCA, Jean; WU, Ting-Di; D'OLIESLAEGER, Marc; VANDERZANDE, Dirk; GELAN, Jan; DE CEUNINCK, Ward; DE SCHEPPER, Luc; STALS, LambertJournal Contribution
271996Use of magnetic resonance imaging to study transport of methanol in poly(methyl methacrylate) at variable temperatureErcken, M; ADRIAENSENS, Peter; REGGERS, Guy; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
281995High field MRI contributions in post-mortem micro-anatomical research of the human fetal spineVANORMELINGEN, Linda; BEULS, Emile; VANDERSTEEN, Marjan; ADRIAENSENS, Peter; PALMERS, Yvan; GELAN, JanJournal Contribution
2919951,3-Dithienylisothianaphthene derivatives as model compounds in the study of the electronic properties of poly(isothianaphthene) derivatives: an alternative synthesisKIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
301995A new synthetic route to a soluble high molecular weight precursor for poly(p-phenylenevinylene) derivatesLouwet, Frank; VANDERZANDE, Dirk; GELAN, Jan; MULLENS, JulesJournal Contribution
311995A general synthetic route to high-molecular-weight poly(p-xylylene)-derivatives - a new route to poly(p-phenylene vinylene)Louwet, Frank; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
321995Development and optimization of fast quantitative C-13 NMR characterization methods of novolac resinsOTTENBOURGS, Benjamin; ADRIAENSENS, Peter; REEKMANS, Bart; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
331995Low-band-gap conjugated polymers - Improved model compounds for the structural-analysis of poly(isothianaphthene)KIEBOOMS, Rafael; HOOGMARTENS, I; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
341995The synthesis of methoxy substituted model compounds for structural-analysis of poly(isothianaphthene)-derivativesPAULUSSEN, Harald; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
351995Determination of free melamine content in melamine-formaldehyde resins by Raman-spectroscopySCHEEPERS, ML; MEIER, RJ; Markwort, L.; GELAN, Jan; VANDERZANDE, Dirk; KIP, BJJournal Contribution
361995Study of solvent diffusion in polymeric materials using magnetic-resonance-imagingERCKEN, M; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
371995New synthetic routes to poly(isothianaphthene) .1. reaction of phthalic-anhydride and phthalide with phosphorus pentasulfideVanasselt, R.; Hoogmartens, I.; VANDERZANDE, Dirk; GELAN, Jan; Froehling, P.E.; Aussems, M.; Aagaard, O.; Schellekens, R.Journal Contribution
381995Demonstration of methylene-ether bridge formation in melamine-formaldehyde resinsSCHEEPERS, ML; ADRIAENSENS, Peter; GELAN, Jan; CARLEER, Robert; VANDERZANDE, Dirk; DE VRIES, NK; BRANDTS, PMJournal Contribution
391995Optical-absorption spectra of aromatic isothianaphthene oligomers - Theory and experimentQUATTROCCHI, C; LAZZARONI, R; BREDAS, JL; KIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, Jan; VANMEERVELT, LJournal Contribution
401995Theoretical investigation of nitrogen-containing polyisothianaphthene derivativesQUATTROCCHI, C; LAZZARONI, R; KIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, Jan; BREDAS, JLJournal Contribution
411995On the quinoid structure of poly(isothianaphthene): A vibrational spectroscopic studyZerbi, G; Magnoni, M.C.; Hoogmartens, I.; KIEBOOMS, Rafael; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
421995On the quinoid structure of polyisothianaphthene: a vibrational spectroscopic studyZerbi, G.; Magnoni, M.C.; Hoogmartens, I.; KIEBOOMS, Rafael; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
431994High-field magnetic-resonance-imaging of normal and pathological human medulla-oblongataVANDERSTEEN, Marjan; BEULS, Emile; GELAN, Jan; ADRIAENSENS, Peter; VANORMELINGEN, Linda; PALMERS, Yvan; Freling, GJournal Contribution
441994Full 1H and 13C NMR Chemical Shift Assignment of 1-Pyrenyl Substituted Oligosilanes as a Tool to Differentiate between Intramolecular "Through Space" and "Through Bond" Ground State InteractionsGELAN, Jan; ADRIAENSENS, Peter; VANDERZANDE, Dirk; Declercq, D.; HERMANS, E.; de Schryver, F.C.Journal Contribution
451994Full H-1 and C-13 NMR chemical-shift assignment of 1-pyrenyl substituted oligosilanes as a tool to differentiate between intramolecular through-space and through-bond ground-state interactionsGELAN, Jan; ADRIAENSENS, Peter; VANDERZANDE, Dirk; DECLERCQ, D; HERMANS, E; DESCHRYVER, FCJournal Contribution
461994Miscibility of an oligo(p-phenylenevinylene) with polystyrene studied by solid-state nuclear-magnetic-resonanceNOUWEN, J; ADRIAENSENS, Peter; GELAN, Jan; VERREYT, G; YANG, Z; GEISE, HJJournal Contribution
471994Photophysics of linked donor-acceptor systems - Through-space and through-bond interactionsDESCHRYVER, FC; DECLERCQ, D; DEPAEMELAERE, S; HERMANS, E; ONKELINX, Ann; VERHOEVEN, JW; GELAN, JanJournal Contribution
481993Miscibility of doped and undoped poly(para-phenylene vinylene) model compounds with PMMA studied by CRAMPSNouwen, J.; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, Jan; Yang, Z.; Geise, H.J.Journal Contribution
491993Antistatic polymer layers based on poly(isothianaphthene) applied from aqueous compositionsDEFIEUW, G; SAMIJN, R; HOOGMARTENS, I; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
501993Miscibility of poly(para-phenylene vinylene) model compounds with polycarbonate studied by solid-state NMRNOUWEN, J; PAULUSSEN, Harald; VERREYT, G; YANG, Z; GEISE, HJ; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
511993Improving selectivity by using a multipurpose cross-polarization magic-angle-spinning NMR pulse sequence - Characterization of pi-conjugated compoundsHOOGMARTENS, I; VANDERZANDE, Dirk; ADRIAENSENS, Peter; GELAN, JanJournal Contribution
521993Investigation of melamine-formaldehyde cure by Fourier-transform Raman-spectroscopySCHEEPERS, ML; KIP, BJ; BRANDTS, PM; GELAN, Jan; ADRIAENSENS, Peter; VANDERZANDE, Dirk; CARLEER, RobertJournal Contribution
531993Application of high resolution MRI in diagnosis of sex in quail embryos.VANDENABEELE, Frank; ADRIAENSENS, Peter; LIPPENS, Peter; GELAN, JanProceedings Paper
541992Semi-quantitative oxygen functional group distribution in two coal typesFRANCO, Dirk; GELAN, Jan; MARTENS, Harry; VANDERZANDE, DirkJournal Contribution
551992The effect of anions on the solution behavior of poly(xylylene tetrahydrothiophenium chloride) and on the elimination to poly(p-phenylene vinylene)Beerden, Anniek; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
561992Novel chemical syntheses of poly(isothianaphthene)HOOGMARTENS, I; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, JanJournal Contribution
571992Miscibility of poly(para-phenylene vinylene) model compounds with PMMA studied by solid-state NMRNOUWEN, J; ADRIAENSENS, Peter; FRANCO, Dirk; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, Jan; YANG, Z; GEISE, HJJournal Contribution
581992An investigation into the electronic-structure of poly(isothianaphthene)HOOGMARTENS, I; ADRIAENSENS, Peter; CARLEER, Robert; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, JanJournal Contribution
591992Low-bandgap conjugated polymers - A joint experimental and theoretical-study of the structure of polyisothianaphtheneHOOGMARTENS, I; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, Jan; QUATTROCCHI, C; LAZZARONI, R; BREDAS, JLJournal Contribution
601992A solid-state NMR investigation of the dopability of poly(p-phenylene vinylene) model compounds and corresponding polymers with iodineNOUWEN, J; ADRIAENSENS, Peter; FRANCO, Dirk; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, Jan; YANG, Z; GEISE, HJJournal Contribution
611992Solid-state cross polarization magic angle spinning C-13 NMR investigation of alkoxy-substituted poly(para-phenylene vinylene) homopolymers and copolymersNOUWEN, J; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, Jan; YANG, Z; GEISE, HJournal Contribution
621992The synthesis of poly(1,4-phenylene-1,2-ethanediyl) derivatives - An adaptation of the wessling routeLouwet, Frank; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
631992C-13-NMR analysis of Cava-poly(isothianaphthene) oligomersKIEBOOMS, Rafael; HOOGMARTENS, I; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
641992Effect of iodine doping on the miscibility of poly(para-phenylene vinylene) model compounds mixed with PMMA using NMR solid-state techniquesNOUWEN, J; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, Jan; YANG, Z; GEISE, HJJournal Contribution
651992Modification of poly(para-phenylene vinylene) by introduction of aromatic-groups on the olefinic carbonsYANG, Z; GEISE, HJ; NOUWEN, J; ADRIAENSENS, Peter; FRANCO, Dirk; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, Jan; Mehbod, MJournal Contribution
66199213C CP/MAS n.m.r. study of changes in molecular mobility of a bituminous coal during desulphurizationFRANCO, Dirk; GELAN, Jan; MARTENS, Harry; VANDERZANDE, Dirk; Majchrowicz, Bernard B.Journal ContributionA1
671991Dynamic and structural parameters of coal and coal-derived productsFRANCO, Dirk; GELAN, Jan; MARTENS, Harry; VANDERZANDE, DirkJournal Contribution
681991Structural assignment of conductive polymers by CP MAS C-13-NMRNOUWEN, J; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, Jan; ZHOU, Y; GEISE, HJJournal Contribution
691991A C13 CP/MAS NMR investigation of poly(isothianaphthene)HOOGMARTENS, I; VANDERZANDE, Dirk; MARTENS, Harry; GELAN, JanJournal Contribution
701991Characterization by C-13 CP/MAS NMR-spectroscopy of the structural-changes in coals after chemical treatmentsFRANCO, Dirk; GELAN, Jan; MARTENS, Harry; VANDERZANDE, DirkJournal Contribution
711991An investigation into the changes of structure and reactivity during desulfurization of a bituminous coalMajchrowicz, Bernard B.; FRANCO, Dirk; YPERMAN, Jan; REGGERS, Guy; GELAN, Jan; MARTENS, Harry; MULLENS, Jules; VAN POUCKE, LucienJournal Contribution
721990Quantification of organic sulfur-containing functional-groups for coal conversion processesMajchrowicz, Bernard B.; YPERMAN, Jan; MARTENS, Harry; GELAN, Jan; Wallace, S; Jones, CJ; Baxby, M.; Taylor, N; Bartle, K.D.Journal Contribution