Search: Departamento de Química

Start a new search
Add/Remove Filters (1 filters currently applied)

Results 51-100 of 133 (Search time: 0.708 seconds).
 |  Relevance

 

Item hits:
Issue DateTitleAuthor(s)TypeAccess
1Nov-1995Oxygen-by-Sulfur Substitution in CH3OCH2CH2OH: An Ab Initio Comparative Study of Conformational Effects and Intramolecular InteractionsGil, Francisco P. S. C. ; Costa, A. M. Amorim da ; Teixeira-Dias, J. J. C. articleopenAccess
21997Thin-film gold electrodes produced by magnetron sputtering. Voltammetric characteristics and application in batch injection analysis with amperometric detectionBrett, Ana Maria Oliveira ; Matysik, Frank-Michael ; Vieira, M. Teresa articleopenAccess
31999Oxygen-by-sulfur substitutions in glycine: conformational and vibrational effectsCarvalho, Luís A. E. Batista de ; Marques, M. Paula M. ; Teixeira-Dias, José J. C. articleopenAccess
420-Feb-1995An electronic and vibrational study of the cyclopropenyl ion and its fluoroderivativesGalembeck, Sérgio E. ; Fausto, Rui articleopenAccess
5Mar-1998Vibrational spectra of acid and alkaline glycine saltsRosado, Mário T ; Duarte, Maria Leonor T. S. ; Fausto, Rui articleopenAccess
616-Jun-1997Vibrational spectra (FT-IR, Raman and MI-IR) of α- and β-alanineRosado, Mário Túlio S. ; Duarte, Maria Leonor R. S. ; Fausto, Rui articleopenAccess
72-May-1996Four-Component Analysis and Modeling of Positron Annihilation Lifetime Parameters in AOT/Water/Isooctane MicroemulsionsMarques, M. F. Ferreira ; Burrows, H. D. ; Miguel, M. da Graça ; Lima, A. P. de ; Gil, C. Lopes ; Duplâtre, G. articleopenAccess
81998The synthesis and characterization of new polymerizable pyrimidines: Immobilization of the monomers onto hydrophilic graft copolymeric supports through radiation-induced copolymerization-graftingPegiadou, S. ; Guthrie, J. T. ; Gill, M. H. articleopenAccess
91999Phase Transition in Trans and Cis-1,2-Cyclohexanediol Studied by Infrared SpectroscopyLeitão, M. L. P. ; Nobre, C. ; Jesus, J. ; Redinha, J. articleopenAccess
101999Synergism and polymorphism in mixed surfactant systemsKhan, Ali ; Marques, Eduardo F. articleopenAccess
111999A concerted SCF-MO ab initio and vibrational spectroscopic study of the conformational isomerism in 2-aminoethanolSilva, Constança F. P. ; Duarte, Maria Leonor T. S. ; Fausto, Rui articleopenAccess
121999Dimensionality effects on transition state resonances for H+DH and D+HD reactive collisionsVarandas, A. J. C. ; Yu, H. G. articleopenAccess
131998Membrane domain formation by calcium-dependent, lipid-binding proteins: insights from the C2 motifHinderliter, Anne K. ; Almeida, Paulo F. F. ; Biltonen, Rodney L. ; Creutz, Carl E. articleopenAccess
141999Ab initio calculations on some transition metal heptoxides by using effective core potentialsAmado, Ana M. ; Ribeiro-Claro, Paulo J. A. articleopenAccess
151998A three-dimensional quantum mechanical study of the atmospheric reaction: infinite-order sudden approximation and novel adiabatic approaches vs. quasiclassical trajectoriesVarandas, A. J. C. ; Szichman, H. articleopenAccess
161998Optical response of monolayer films of a metal-free sulfonamido-porphyrinRichardson, T. ; Smith, V. C. ; Johnstone, R. A. W. ; Sobral, A. J. F. N. ; Rocha-Gonsalves, A. M. d'A. articleopenAccess
171998Modelling intramolecular electron transfer reactions in cytochromes and in photosynthetic bacteria reaction centresArnaut, Luís G. ; Formosinho, Sebastião J. articleopenAccess
181998On the O2(v')+O2(v'') atmospheric reaction. II. The role of rotational excitationWang, W. ; C. Varandas, A. J. articleopenAccess
191998Electroreduction of oxygen on a (100)-like polycrystalline gold surface in an alkaline solution containing Pb(II)Paliteiro, Carlos ; Martins, Natércia articleopenAccess
201998Quasi-ab initio dynamics: a test trajectory study of the reaction using energies and gradients based on scaling of the external correlationVarandas, A. J. C. ; Abreu, P. E. articleopenAccess
211999Determination of the surface charge density of a mercury electrode by extrusion: a new method for correction of the faradaic componentBrito, Maria S. L. ; Angnes, Lúcio ; Brett, Christopher M. A. ; Gutz, Ivano G. R. articleopenAccess
221999Prediction of 99mtc-biguanide complex structures and their interactions with biological molecules by molecular mechanics calculationsNeves, M. ; Fausto, R. articleopenAccess
231999Microelectrode arrays: application in batch-injection analysisFungaro, Denise A. ; Brett, Christopher M. A. articleopenAccess
241996Sonovoltammetric behavior of ascorbic acid and dehydroascorbic acid at glassy carbon electrodes: Analysis using pulsed sonovoltammetryCompton, Richard G. ; Matysik, Frank-Michael articleopenAccess
251996Batch injection analysis with adsorptive stripping voltammetry for the determination of traces of nickel and cobaltBrett, Christopher M. A. ; Brett, Ana Maria Oliveira ; Tugulea, Laura articleopenAccess
2627-Jan-1998Estudos de catálise enantiosselectiva : novos catalisadores para reacções de hidrogenação, hidroformilação e hidroboraçãoSerra, Maria Elisa da Silva doctoralThesisopenAccess
275-Oct-1999Interactions between Catanionic Vesicles and Oppositely Charged PolyelectrolytesPhase Behavior and Phase StructureMarques, Eduardo F. ; Regev, Oren ; Khan, Ali ; Miguel, Maria da Graça ; Lindman, Björn articleopenAccess
28Aug-1991Multinuclear NMR study of the interaction of the shift reagent lanthanide(III) bis(triphosphate) with alkali-metal ions in aqueous solution and in the solid stateRamasamy, Ravichandran ; Freitas, Duarte Mota de ; Geraldes, Carlos F. G. C. ; Peters, Joop A. articleopenAccess
291998Voltammetric behaviour of mitoxantrone at a DNA-biosensorBrett, A. M. Oliveira ; Macedo, T. R. A. ; Raimundo, D. ; Marques, M. H. ; Serrano, S. H. P. articleopenAccess
301999Electrochemical studies and square wave adsorptive stripping voltammetry of the antidepressant fluoxetineSilva, A. M. S. Roque da ; Lima, J. C. ; Teles, M. T. Oliva ; Brett, A. M. Oliveira articleopenAccess
311999Electrochemical oxidation of mitoxantrone at a glassy carbon electrodeBrett, A. M. Oliveira ; Macedo, T. R. A. ; Raimundo, D. ; Marques, M. H. ; Serrano, S. H. P. articleopenAccess
321999Comparative trajectory surface hopping study for the Li+Li2(X1g+), Na+Li2(X1g+) and Li+Na2(X1g+) dissociation reactionsMarques, J. M. C. ; Voronin, A. I. ; Varandas, A. J. C. articleopenAccess
331999A molecular orbital study on the conformational properties of dopamine [1,2-benzenediol-4(2-aminoethyl)]and dopamine cationFausto, Rui ; Ribeiro, Maria João S. ; Lima, João J. Pedroso de articleopenAccess
341999Synthesis of 2-halo-2H-azirines from phosphorus ylidesMelo, Teresa M. V. D. Pinho e ; Gonsalves, António M. d'A. Rocha ; Lopes, Cláudia S. J. ; Gilchrist, Thomas L. articleopenAccess
351999Electrochemical behaviour of cytochrome c at electrically heated microelectrodesVoss, T. ; Gründler, P. ; Brett, C. M. A. ; Brett, A. M. Oliveira articleopenAccess
361993Conformers, Vibrational Spectra and Laser-induced RotamerizationFausto, Rui ; Teixeira-Dias, José J. C. ; Gil, Francisco P. S. C. articleopenAccess
37Mar-1991Elucidation of the conformational properties of N-formylglycine dithio acid by ab initio SCF-MO calculationsFausto, R. ; Teixeira-Dias, J. J. C. ; Carey, P. R. articleopenAccess
38Jan-1995Hydrogen-Bonded Dimers of CH3OCH2CH2OH: Ab Initio Structures and Multivariate AnalysisGil, Francisco P. S. C. ; Costa, A. M. Amorim da ; Bruns, Roy E. ; Teixeira-Dias, J. J. C. articleopenAccess
3927-Aug-1998Vesicle Formation and General Phase Behavior in the Catanionic Mixture SDS−DDAB−Water. The Anionic-Rich SideMarques, Eduardo F. ; Regev, Oren ; Khan, Ali ; Miguel, Maria da Graça ; Lindman, Björn articleopenAccess
407-Aug-1998Diels−Alder Reactions of Acyclic 2-Azadienes: A Semiempirical Molecular Orbital StudyMelo, Teresa M. V. D. Pinho e ; Fausto, Rui ; Gonsalves, António M. d'A. Rocha articleopenAccess
41Oct-1990Recalibration of a single-valued double many-body expansion potential energy surface for ground-state hydroperoxy and dynamics calculations for the oxygen atom + hydroxyl .fwdarw. oxygen + hydrogen atom reactionPastrana, M. R. ; Quintales, L. A. M. ; Brandão, J. ; Varandas, A. J. C. articleopenAccess
421999Classical canonical transformation theory as a tool to describe multidimensional tunnelling in reactive scattering. Hopping method revisited and collinear H+H2 exchange reaction near the classical thresholdMil'nikov, Gennady V. ; Varandas, António J. C. articleopenAccess
431997Comparison of the voltammetric behavior of metronidazole at a DNA-modified glassy carbon electrode, a mercury thin film electrode and a glassy carbon electrodeBrett, Ana Maria Oliveira ; Serrano, Sílvia H. P. ; Gutz, Ivano G. R. ; La-Scalea, Mauro A. articleopenAccess
441998Flow-injection determination of catechol with a new tyrosinase/DNA biosensorDantoni, Patrícia ; Serrano, Sílvia H. P. ; Brett, Ana Maria Oliveira ; Gutz, Ivano G. R. articleopenAccess
451999An EIS study of DNA-modified electrodesBrett, Christopher M. A. ; Brett, Ana Maria Oliveira ; Serrano, Sílvia H. P. articleopenAccess
461997Influence of anions on the corrosion of high speed steelBrett, C. M. A. ; Melo, P. I. C. articleopenAccess
4723-Jun-1995Estudo de ligandos poliazamacrocíclicos e de seus complexos metálicosCatarro, Maria Paula Matos Marques doctoralThesisembargoedAccess
481998Estudos de modelação da actividade catalítica de metaloporfirinas em oxidações com hipoclorito de sódio e peróxido de hidrogénioSerra, Arménio Coimbra doctoralThesisembargoedAccess
491994Novas tendências do desenvolvimento e da investigação no ensino da química: Caracterização dos aspectos formativosCardoso, Augusto Correia doctoralThesisembargoedAccess
501997Fotofísica e Fotoquímica de Complexos de Polipiridilruténio (II). 30 vols., Coimbra, ed. aut., 1996, 194 p.SILVA, Maria Isilda Sena da Fonte e doctoralThesisembargoedAccess
Results 51-100 of 133 (Search time: 0.708 seconds).