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CQE + CEFEMA
Instituto Superior Técnico, Universidade de Lisboa
Av. Rovisco Pais
1049-001 Lisboa
Portugal
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Tel. +351 218 419 262 |
NMR EquipmentLiquid State NMR
Solid State NMR
Fast Field Cycling (in house developed) |
Unit HomepageBooking | Scheduling
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Main Research Topics
José do Rosário Ascenso
Determination of the structure of organic and organometallic compounds[2]
Structure elucidation of natural and synthetic polymers[3;4]
Synthesis of homooxacalixarene based fluorescent receptors for anion and ion pairs[5;6]
NMR relaxation and diffusion studies of structured liquids[7;8]
Maria João Ferreira
Solution NMR of small molecules[1;9]
Organometallic/coordination chemistry[10-12]
Homogeneous and heterogeneous catalysis[10;11]
Characterization of polymers and materials by Solid-State NMR[10-17]
Study of pharmaceutical formulations[18;19]
João Figueirinhas
Orientational order and molecular dynamics studies by proton and deuterium NMR spectroscopy and relaxometry in the twist bend nematic phase NTB[20]
Orientational order and molecular dynamics studies by proton and deuterium NMR spectroscopy and relaxometry of hydration water in hydrated hybrid cellulose acetate–silica asymmetric membranes.[21;22]
Pedro Sebastião
NMR relaxation and diffusometry
-Liquid crystalline phases[22-30]: blue phases, nematic phases: N, N*, Ntb; smectic phases: A, Ad, A2, C, B, chiral phases C* (e.g. ferroelectric, anti-ferroelectric), TGBA*, and TGBC
-ionic liquids, magnetic ionic liquids[31-35]
-membranes[21;31;36]
-food products[37-40]
-nano composite systems[36;41-43]
NMR Relaxometry technology and software development
-Bench-top Fast Field Cycling NMR relaxometry[44]
-Model fitting software for NMR Relaxometry data analysis[21-45]
Carlos Cruz
Orientational order and molecular dynamics studies of liquid crystals and dendrimers by proton and deuterium NMR spectroscopy and relaxometry[20;22;22;26;29;34;45]
Selected Publications
- Silva, A. Zambre, M. P. C. Campello, L. Gano, I. Santos, A. M. Ferraria, M. J. Ferreira, A. Singh, A. Upendran, A. Paulo, Interrogating the Role of Receptor-Mediated Mechanisms: Biological Fate of Peptide-functionalized Radiolabeled Gold Nanoparticles in Tumor Mice, Bioconjugate Chem. 2016, 27 1153.
- Maria, N. A. G. Bandeira, J. Marçalo, I. C. Santos, A. S. D. Ferreira, J. R. Ascenso, Experimental and Computational Study of a Tetraazamacrocycle Bis(aryloxide) Uranyl Complex and of the Analogues {E=U=NR}2+ (E = O and NR), Inorganic Chemistry 2021,
- S. G. Valdés, C. S. B. Gomes, P. T. Gomes, J. R. Ascenso, H. P. Diogo, L. M. Gonçalves, R. Galhano dos Santos, H. M. Ribeiro, J. C. Bordado, Synthesis and Characterization of Isosorbide-Based Polyurethanes Exhibiting Low Cytotoxicity Towards HaCaT Human Skin Cells, Polymers 2018, 10 1170.
- F. C. Cruz, P. M. M. Machado, C. S. B. Gomes, J. R. Ascenso, M. A. Lemos, J. C. Bordado, P. T. Gomes, Bis(formylpyrrolyl) cobalt complexes as mediators in the reversible-deactivation radical polymerization of styrene and methyl methacrylate, New Journal of Chemistry 2018, 42 5900.
- A. Teixeira, P. M. Marcos, J. R. Ascenso, G. Brancatelli, N. Hickey, S. Geremia, Selective Binding of Spherical and Linear Anions by Tetraphenyl(thio)urea-Based Dihomooxacalix[4]arene Receptors, J.Org.Chem. 2017, 82 11383.
- Miranda, P. M. Marcos, J. R. Ascenso, M. N. Berberan-Santos, R. Schurhammer, N. Hickey, S. Geremia, Dihomooxacalix[4]arene-Based Fluorescent Receptors for Anion and Organic Ion Pair Recognition, Molecules 2020, 25 4708.
- R. Ascenso, G. Rubio, J. C. F. Diogo, H. M. N. T. Avelino, F. J. P. Caetano, J. M. N. A. Fareleira, Self-diffusivity measurements of dimethyl, diethyl, dipropyl, dibutyl, Bis(2-ethylhexyl) adipates from (29-339)K by a PGSE-NMR spin-echo technique, Fluid Phase Equilibria 2016, 410 37.
- F. G. Martins, L. A. M. Pereira, G. M. C. Silva, J. R. Ascenso, P. Morgado, J. P. P. Ramalho, E. J. M. Filipe, Fluorinated surfactants in solution: Diffusion coefficients of fluorinated alcohols in water, Fluid Phase Equilibria 2016, 407 322.
- F. Carvalho, M. J. Ferreira, A. S. O. Knittel, M. d. C. Oliveira, J. C. Pessoa, R. Herrmann, G. Wagner, Strecker degradation of amino acids promoted by a camphor-derived sulfonamide, Beilstein J.Org.Chem. 2016, 12 732.
- Diaz-Couce, J. Marreiros, M. J. Ferreira, P. D. Vaza, C. D. Nunes, M. J. Calhorda, New heterogeneous catalysts with Mo(II) intercalated in layered double hydroxides, Inorganica Chimica Acta 2016, 455 483.
- Marreiros, M. Diaz-Couce, M. J. Ferreira, P. D. Vaz, M. J. Calhorda, C. D. Nunes, Synthesis and catalytic activity of Mo(II) complexes of alpha-diimines intercalated in layered double hydroxides, Inorganica Chimica Acta 2019,
- Calabrese, M. L. T. Liveri, M. J. Ferreira, A. Bento, P. D. Vaz, M. J. Calhorda, C. D. Nunes, Porous materials as delivery and protective agents for Vitamin A, RSC Advances 2016, 6 66945.
- A. Lourenço, M. J. Ferreira, M. Sardo, L. s. Mafra, J. R. Gomes, P. Ferreira, Microwave-assisted N, N-dialkylation of amine-functionalized periodic mesoporous phenylene-silica: An easy and fast way to design materials, Microporous and Mesoporous Materials 2017, 249 10.
- Sena da Fonseca, S. Piçarra, A. P. Ferreira Pinto, M. J. Ferreira, M. F. Montemor, TEOS-based consolidants for carbonate stones: the role of N1-(3-trimethoxysilylpropyl)diethylenetriamine, New Journal of Chemistry 2017, 41 2458.
- Sena da Fonseca, M. J. Ferreira, M. G. Taryba, S. Piçarra, A. P. F. Pinto, M. d. F. Montemor, Alkoxysilane-based sols for consolidation of carbonate stones: Impact of the carbonate medium in the sol-gel processes, Journal of Cultural Heritage 2019, 37 63.
- Vale, M. V. Loureiro, M. J. Ferreira, A. C. Marques, Silica- based microspheres with interconnected macroporosity by phase separation, Journal of Sol-Gel Science and Technology 2020,
- L. Gouveia, V. Oliveira, A. M. Ferraria, A. M. B. Do Rego, M. J. Ferreira, L. C. Tomé, A. Almeida, I. M. Marrucho, Processing of poly(ionic liquid)-ionic liquid membranes using femtosecond (fs) laser radiation: Effect on CO2 separation performance, Journal of Membrane Science 2021, 642 119903.
- D. Costa, J. Priotti, S. Orlandi, D. Leonardi, M. C. Lamas, T. G. Nunes, H. P. Diogo, C. J. Salomon, M. J. Ferreira, Unexpected solvent impact in the crystallinity of praziquantel/poly(vinylpyrrolidone) formulations. A solubility, DSC and solid-state NMR study, International journal of pharmaceutics 2016, 511 983.
- Priotti, A. García, D. Leonardi, M. J. Ferreira, M. C. Lamas, T. G. Nunes, Succinyl-b-cyclodextrin: Influence of the substitution degree on albendazole inclusion complexes probed by NMR, Materials Science and Engineering: C 2018, 92 694.
- Carvalho, C. Cruz, J. Figueirinhas, M. Tamba, A. Kohlmeier, G. Mehl, Proton and deuterium NMR study of the CBC9CB dimer system, J.Phys.Chem.B 2019, 123 1442.
- J. Beira, M. Silva, M. Condesso, P. Cosme, P. L. Almeida, M. C. Corvo, P. J. Sebastião, J. Figueirinhas, M. N. De Pinho, Molecular order and dynamics of water in hybrid cellulose acetate–silica asymmetric membranes, null 2019, 117 975.
- Aluculesei, H. Cachitas, J. Carvalho, F. V. Chavez, J. L. Figueirinhas, P. J. Sebastião, C. Cruz, M. G. Tamba, A. Kohlmeier, G. H. Mehl, 1H NMR study of molecular order and dynamics in the liquid crystal CB-C9-CB, Phys.Chem.Chem.Phys. 2019, 4523.
- Gradisek, V. Domenici, T. Apih, V. Novotna, P. J. Sebastiao, H-1 NMR Relaxometric Study of Molecular Dynamics in a “de Vries” Liquid Crystal, Journal of Physical Chemistry B 2016, 120 4706.
- Domenici, A. Gradisek, T. Apih, V. Hamplova, V. Novotna, P. J. Sebastiao, H-1 NMR relaxometry in the TGBA* and TGBC* phases, Ferroelectrics 2016, 495
- D. Miranda, F. V. Chavez, T. M. R. Maria, M. E. S. Eusebio, P. J. Sebastiao, P. Martin-Ramos, J. L. Figueirinhas, M. R. Silva, Synthesis of liquid crystals based on hydrogen-bonding of 4-(Octyloxy)benzoic acid with 4-alkylbenzoic acids, Molecular Crystals and Liquid Crystals 2016, 630 87.
- Da Cruz, J. L. Figueirinhas, P. J. Sebastião, NMR of Liquid Crystal Dendrimers, Pan Stanford Publishing Pte. Ltd., 2016, pp. 1-248.
- J. Sebastião, in Field-cycling NMR Relaxometry: Instrumentation, Model Theories and Applications, The Royal Society of Chemistry, 2019, p. pp. 255-302.
- Knapkiewicz, A. Rachocki, M. Bielejewski, P. J. Sebastião, NMR studies of molecular ordering and molecular dynamics in a chiral liquid crystal with the Sm C a* phase, Phys.Rev.E 2020, 101 052708-1.
- Lehmann, S. Maisch, N. Scheuring, J. Carvalho, C. Cruz, P. J. Sebastião, R. Y. Dong, From molecular biaxiality of real board-shaped mesogens to phase biaxiality? On the hunt for the holy grail of liquid crystal science, Soft Matter 2019, 15 8496.
- Kruk, P. Rochowski, M. Florek-Wojciechowska, P. J. Sebastião, D. J. Lurie, L. M. Broche, 1H spin-lattice NMR relaxation in the presence of residual dipolar interactions Dipolar relaxation enhancement, Journal of Magnetic Resonance 2020, 318 106783.
- Daniel, A. M. Rubio, P. J. Sebastiao, C. A. M. Afonso, J. Storch, P. Izak, C. A. M. Portugal, J. G. Crespo, Magnetic modulation of the transport of organophilic solutes through Supported Magnetic Ionic Liquid Membranes, Journal of Membrane Science 2016, 505 36.
- Beira, C. I. Daniel, P. L. Almeida, M. C. Corvo, A. A. Rosatella, C. A. M. Afonso, P. J. Sebastião, 1H NMR Relaxometry and Diffusometry Study of Magnetic and Nonmagnetic Ionic Liquid-Based Solutions: Cosolvent and Temperature Effects, J.Phys.Chem.B 2017, 121 11472.
- Ordikhani-Seyedlar, J. P. d. A. Martins, P. J. Sebastião, M. J. Jardim-Beira, S. Stapf, F. Vaca-Chávez, C. Mattea, Dynamics of binary mixtures of an ionic liquid and ethanol by NMR, Magn.Reson.Chem. 2018, 56 108.
- Cordeiro, M. J. Beira, C. Cruz, J. L. Figueirinhas, M. C. Corvo, P. L. Almeida, A. A. Rosatella, C. A. Afonso, C. I. Daniel, P. J. Sebastião, Tuning the 1H NMR Paramagnetic Relaxation Enhancement and Local Order of [Aliquat]+-Based Systems Mixed with DMSO, International journal of molecular sciences 2021, 22
- Brinkkötter, M. Gouverneur, P. J. Sebastião, F. Vaca Chávez, M. Schönhoff, Spin relaxation studies of Li+ ion dynamics in polymer gel electrolytes, Phys.Chem.Chem.Phys. 2017, 19 7390.
- C. V. Iulianelli, G. d. David, T. N. dos Santos, P. J. Sebastião, M. I. Tavares, Influence of TiO2 nanoparticle on the thermal, morphological and molecular characteristics of PHB matrix, Polymer Testing 2018, 65 156.
- S. Uguz, E. B. Ozvural, M. J. Beira, M. H. Oztop, P. J. Sebastião, Use of NMR Relaxometry to identify frankfurters of different meat sources, Molecular Physics 2019, 117 1015.
- I. B. Tavares, E. O. da Silva, P. S. R. C. Silva, P. J. Sebastião, The use of fast field cycling to evaluate the time domain relaxation of starches from tropical fruit seeds, Molecular Physics 2019, 117 1028.
- Zava, P. J. Sebastião, S. Catarino, Wine traceability and authenticity: approaches for geographical origin, variety and vintage assessment, Ciência e Técnica Vitivinícola 2020, 35 133.
- Ates, M. J. Beira, M. H. Oztop, P. J. Sebastião, Characterization of Pectin-Based Gels: A 1H Nuclear Magnetic Resonance Relaxometry Study, J.Agric.Food Chem. 2021, 69 12102.
- J. Sebastião, M. S. S. B. Monteiro, L. M. Brito, E. Rodrigues, F. V. Chávez, M. I. B. Tavares, Conventional and Fast Field Cycling Relaxometry Study of the Molecular Dynamics in Polymer Nanocomposites for Use as Drug Delivery Systems, Journal of Nanoscience and Nanotechnology 2016, 16 7539.
- S. S. B. Monteiro, J. Lunz, P. J. Sebastiao, M. I. B. Tavares, Evaluation of Nevirapine Release Kinetics from Polycaprolactone Hybrids, Materials Sciences and Applications 2016, 7 680.
- R. Rodrigues, P. J. O. Sebastião, M. I. B. Tavares, 1H time domain NMR real time monitoring of polyacrylamide hydrogels synthesis, Polymer Testing 2017, 60 396.
- Roque, D. M. Sousa, P. Sebastião, E. Margato, G. Marques, FFC NMR relaxometer with magnetic flux density control, Journal of Low Power Electronics and Applications 2019, 9 22.
- Kumar, C. Cruz, J. L. Figueirinhas, P. J. Sebasti+úo, A. C. Trindade, S. N. Fernandes, M. H. Godinho, J. O. Fossum, Water Dynamics in Composite Aqueous Suspensions of Cellulose Nanocrystals and a Clay Mineral Studied through Magnetic Resonance Relaxometry, J.Phys.Chem.B 2021, 125 1
