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

Results 79-156 of 186 (Search time: 0.002 seconds).

Issue DateTitleContributor(s)TypeCat.
792000Visualization of tensile stress induced material response at a crack tip in polymers under critical load by NMR imagingADRIAENSENS, Peter; STORME, Liesbet; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, Jan; Litvinov, VM; Marissen, RJournal ContributionA1
802000MRI toont defecten in netwerkstructuurPOLLARIS, Anne; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal ContributionA3
812000New mechanistic aspects on the formation of poly(isothianaphthene) from P4S10 and phthalic anhydride derivatives: carbon-carbon bond formation and cleavage via a cyclic reaction mechanismPAULUSSEN, Harald; Haitjema, H; van Asselt, R; Mylle, P; ADRIAENSENS, Peter; GELAN, Jan; VANDERZANDE, DirkJournal ContributionA1
822000Phase behaviour and solvent diffusion in the system poly(methyl methacrylate)/methanolMoerkerke, R; Berghmans, H.; Vandeweerdt, P; ADRIAENSENS, Peter; Ercken, M; VANDERZANDE, Dirk; GELAN, JanJournal ContributionA1
832000The synthesis of poly(4,4 '-biphenylene vinylene) and poly(2,6-naphthalene vinylene) via a radical chain polymerisationVan der Borght, M; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal ContributionA1
842000Scope and limitations of a new highly selective synthesis of unsymmetrical monomers for the synthesis of precursors toward poly(arylenevinylene)sVan der Borght, M; VANDERZANDE, Dirk; ADRIAENSENS, Peter; GELAN, JanJournal ContributionA1
852000Synthesis of electron-rich versus electron-poor poly {[1,4-phenylene]-[1-(n-alkylsulfinyl)ethylene]}s via the sulfinyl precursor route in different organic solventsADRIAENSENS, Peter; Van der Borght, M; HONTIS, Lieve; Issaris, A; VAN BREEMEN, ALBERT; de Kok, M; VANDERZANDE, Dirk; GELAN, JanJournal ContributionA1
861999IR and NMR characterisation of extraction products of reductively deuteromethylated coalsKOZLOWSKI, Mieczyslaw; Wachowska, H; ADRIAENSENS, Peter; GELAN, JanJournal Contribution
871999Qualitative and quantitative analysis of solid state free induction decay (H-1 NMR) curves using a combination of the methods of Gardner and Prony: Isotactic polypropylene as a case studySCHREURS, Sonja; FRANCOIS, Jean-Pierre; ADRIAENSENS, Peter; GELAN, JanJournal Contribution
881999ESR spectroscopy of the elimination of sulfinyl precursor polymers towards PPVde Kok, MM; Nguyen, TP; Molinie, Patricia; VAN BREEMEN, ALBERT; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
891999Properties of a low band gap conducting polymer electrode used for amperometric detection in liquid chromatographyStaes, E; VANGENEUGDEN, Dirk; NAGELS, Luc; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
901999Chemical sensors based on a new low band gap materialVANGENEUGDEN, Dirk; NAGELS, Luc; Desmet, J; Huyberechts, G; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
911999Spectroelectrochemical behaviour of poly(2,5-dithienylene-isothianaphthene) and its analogue deuterated on the benzene ringLapkowski, M; KIEBOOMS, Rafael; GELAN, Jan; VANDERZANDE, Dirk; Pron, A; Louarn, G; Lefrant, SJournal Contribution
921999Synthesis of aza-analogues of poly(isothianaphthene)Huskic, M; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
931999Application of new PPV precursor polymers in organic LEDsKIEBOOMS, Rafael; Zojer, E.; Markart, P.; Resel, R.; DE SCHEPPER, Luc; VANDERZANDE, Dirk; GELAN, Jan; STALS, Lambert; Tasch, S.; Leising, G.Journal Contribution
941999New synthesis of a soluble high molecular weight poly(arylene vinylene): Poly[2-methoxy-5-(3,7-dimethyloctyloxy)-p-phenylene vinylene]. Polymerization and device propertiesLUTSEN, Laurence; ADRIAENSENS, Peter; Becker, H.; VAN BREEMEN, ALBERT; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
951999Solid-state NMR study of different types of poly(vinyl formal)ADRIAENSENS, Peter; POLLERS, Ingrid; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
961999Critical analysis of network defects in cross-linked isobutylene-based elastomers by NMR imagingADRIAENSENS, Peter; POLLARIS, Anne; VANDERZANDE, Dirk; GELAN, Jan; White, JL; Dias, AJ; Kelchtermans, MJournal Contribution
971999Radical as well as anionic polymerisation mechanisms in the synthesis of poly(p-arylene vinylene) precursorsHONTIS, Lieve; Van der Borght, M; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
981999A general synthetic route towards soluble poly(1,3-dithienylisothianaphthene) derivativesVANDERZANDE, Dirk; VANGENEUGDEN, Dirk; GELAN, Jan; KIEBOOMS, RafaelJournal Contribution
991999Highly selective route for producing unsymmetrically substituted monomers towards synthesis of conjugated polymers derived from poly(p-phenylene vinylene)VAN BREEMEN, ALBERT; VANDERZANDE, Dirk; ADRIAENSENS, Peter; GELAN, JanJournal Contribution
1001999The elimination process of sulfinyl-precursor polymers towards poly(p-phenylene vinylene): methods for monitoring eliminationDE KOK, Margreet; VAN BREEMEN, ALBERT; CARLEER, Robert; ADRIAENSENS, Peter; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
1011999Optimization of the polymerisation process of sulfinyl precursor polymers towards poly(p-phenylene vinylene)VAN BREEMEN, ALBERT; Issaris, A.C.J.; DE KOK, Margreet; van der Borght, M.J.A.N.; ADRIAENSENS, Peter; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
1021998In vitro high field MRI investigation of the human fetal spinal cord at an early stage of myelinationVANORMELINGEN, Linda; BEULS, Emile; VANDERSTEEN, Marjan; GELAN, Jan; ADRIAENSENS, PeterJournal Contribution
1031998Metabolites in feces can be important markers for the abuse of anabolic steroids in cattleVAN PUYMBROECK, Mark; LEYSSENS, Luc; VANDERZANDE, Dirk; GELAN, Jan; RAUS, JefJournal Contribution
1041998Synthesis of high molecular weight poly(4,4 '-bisphenylene vinylene) and poly(2,6-naphthalene vinylene) via a non-ionic precursor routeVan Der Borght, M; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1051998A general approach to precursors for poly(arylene vinylene) derivatives: Mechanism, scope and modificationsVANDERZANDE, Dirk; Issaris, AC; VanderBorght, MJ; vanBreemen, AJ; deKok, MM; GELAN, JanJournal Contribution
1061998Identification of some important metabolites of boldenone in urine and feces of cattle by gas chromatography mass spectrometryVAN PUYMBROECK, Mark; Kuilman, MEM; Maas, RFM; Witkamp, RF; LEYSSENS, Luc; VANDERZANDE, Dirk; GELAN, Jan; RAUS, JefJournal Contribution
1071998Electrical field induced ageing of polymer light-emitting diodes in an oxygen-rich atmosphere studied by emission microscopy, scanning electron microscopy and secondary ion mass spectroscopyBijnens, W; De Wolf, I; MANCA, Jean; D'HAEN, Jan; WU, Ting-Di; D'OLIESLAEGER, Marc; Beyne, E; KIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, Jan; DE CEUNINCK, Ward; DE SCHEPPER, Luc; STALS, LambertJournal Contribution
1081998A highly efficient route towards well-defined modifications of poly(p-phenylene vinylene)de Kok, MM; VAN BREEMEN, ALBERT; ADRIAENSENS, Peter; van Dixhoorn, A; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
1091998A new precursor to electroconducting conjugated polymers: Synthesis and opto-electrical properties of luminescent devices based on these PPV derivativesBijnens, W; Van Der Borght, M; MANCA, Jean; DE CEUNINCK, Ward; DE SCHEPPER, Luc; VANDERZANDE, Dirk; STALS, Lambert; GELAN, JanJournal Contribution
1101998Polymerization mechanism of 1-[(butylsulfi(o)nyl)metyl]-4-(halomethyl)benezene: The effect of polarizer and leaving groupIssaris, A; VANDERZANDE, Dirk; ADRIAENSENS, Peter; GELAN, JanJournal Contribution
1111998Optimization of the reaction of phthalic anhydride with P4S10Huskic, M; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1121998Formal copolymers based om 1,3-dithienylisothianaphthene derivatives: Promising materials for electronic devicesVANGENEUGDEN, Dirk; KIEBOOMS, Rafael; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, Jan; Desmet, J; Huyberechts, GJournal Contribution
1131998In vitro liver models are important tools to monitor the abuse of anabolic steroids in cattleVAN PUYMBROECK, Mark; Kuilman, MEM; Maas, RFM; Witkamp, RF; LEYSSENS, Luc; VANDERZANDE, Dirk; RAUS, Jef; GELAN, JanJournal Contribution
1141998Effect 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
1151998Quantitative carbon-13 solid-state nmr and FT-Raman spectroscopy in novolac resinsOTTENBOURGS, Benjamin; ADRIAENSENS, Peter; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1161997On 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
1171997High 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
1181997Synthesis 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
1191997Characterization of poly(isothianaphthene) derivatives and analogs by using solid-state C-13 NMROTTENBOURGS, Benjamin; PAULUSSEN, Harald; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1201997Spectroscopic 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
1211997Synthesis of methyl- and methoxy-substituted poly(p-phenylene vinylene) via a non-ionic precursor routeVan Der Borght, M; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
1221997The synthesis and characterization of soluble poly(isothianaphthene)-derivativesPAULUSSEN, Harald; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1231997Study 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
1241997Polymerization 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
1251997A 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
1261997Synthesis and characterization of soluble low bandgap polymers: formal copolymers based on poly-1, 3-dithienylisothianaphtheneVANGENEUGDEN, Dirk; KIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, JanProceedings Paper
1271997Poly(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
1281997Preparation of poly(isothianaphthene) from 2,5-bis(trialkylsilyl)isothianaphthenesLapkowski, M; KIEBOOMS, Rafael; Pron, A; Chauvet, O; GELAN, Jan; VANDERZANDE, Dirk; Lefrant, SJournal Contribution
1291997Grignard reactions on ortho dicarboxylic arene derivatives. Synthesis of 1,3-dithienylisothianaphthene compoundsKIEBOOMS, Rafael; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1301997The use of magnetic resonance imaging to study solvent diffusion in polymeric materialsERCKEN, Monique; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1311996Polymers for colon specific drug deliverySchacht, E; Gevaert, A; Kenawy, ER; Molly, K; Verstraete, W; ADRIAENSENS, Peter; CARLEER, Robert; GELAN, JanJournal Contribution
1321996The 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
1331996Poly(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
1341996New 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
1351996Imaging 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
1361996A new synthetic route to thiophthalic anhydride derivates, monomers to poly(isothianaphthene)PAULUSSEN, Harald; GELAN, Jan; VANDERZANDE, Dirk; van Asselt, R.Journal Contribution
1371996Unexpected rearrangements in the synthesis of arylidene- or alkylidene-2-thiophthalidesPAULUSSEN, Harald; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1381996A new synthetic route to thiophthalic anhydride derivatives, monomers to poly(isothianaphthene)PAULUSSEN, Harald; van Asselt, R; GELAN, Jan; VANDERZANDE, DirkJournal Contribution
1391996Solid-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
1401996Use 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
1411996H-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
1421995High 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
1431995THE SYNTHESIS OF METHOXY SUBSTITUTED MODEL COMPOUNDS FOR STRUCTURAL-ANALYSIS OF POLY(ISOTHIANAPHTHENE)-DERIVATIVESPAULUSSEN, Harald; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
14419951,3-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
1451995A 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
1461995OPTICAL-ABSORPTION SPECTRA OF AROMATIC ISOTHIANAPHTHENE OLIGOMERS - THEORY AND EXPERIMENTQUATTROCCHI, C; LAZZARONI, R; BREDAS, JL; KIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, Jan; VANMEERVELT, LJournal Contribution
1471995DEVELOPMENT 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
1481995On the quinoid structure of polyisothianaphthene: a vibrational spectroscopic studyZerbi, G.; Magnoni, M.C.; Hoogmartens, I.; KIEBOOMS, Rafael; CARLEER, Robert; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1491995LOW-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
1501995On 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
1511995DEMONSTRATION OF METHYLENE-ETHER BRIDGE FORMATION IN MELAMINE-FORMALDEHYDE RESINSSCHEEPERS, ML; ADRIAENSENS, Peter; GELAN, Jan; CARLEER, Robert; VANDERZANDE, Dirk; DE VRIES, NK; BRANDTS, PMJournal Contribution
1521995NEW 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
1531995STUDY OF SOLVENT DIFFUSION IN POLYMERIC MATERIALS USING MAGNETIC-RESONANCE-IMAGINGERCKEN, M; ADRIAENSENS, Peter; VANDERZANDE, Dirk; GELAN, JanJournal Contribution
1541995A new synthetic route to a soluble high molecular weight precursor for poly(p-phenylenevinylene) derivatesLouwet, Frank; VANDERZANDE, Dirk; GELAN, Jan; MULLENS, JulesJournal Contribution
1551995THEORETICAL INVESTIGATION OF NITROGEN-CONTAINING POLYISOTHIANAPHTHENE DERIVATIVESQUATTROCCHI, C; LAZZARONI, R; KIEBOOMS, Rafael; VANDERZANDE, Dirk; GELAN, Jan; BREDAS, JLJournal Contribution
1561995DETERMINATION OF FREE MELAMINE CONTENT IN MELAMINE-FORMALDEHYDE RESINS BY RAMAN-SPECTROSCOPYSCHEEPERS, ML; MEIER, RJ; Markwort, L.; GELAN, Jan; VANDERZANDE, Dirk; KIP, BJJournal Contribution