Former Positions

• Invited Researcher, Requimte (2011-present)
• Researcher, Requimte (2006-2011)

Honors

• Award
• Fellowship

Research Interests

Molecular mobility, phase transitions, slow relaxation processes in pharmaceutical and agro-chemical materials. Relations between these relaxations and the nucleation and crystallization process. Polymorphic transformations or amorphization of therapeutic materials; influence of confinement on state diagrams and dynamics; structural relaxation (physical ageing).
Dielectric Relaxation Spectroscopy (DRS), Thermally Stimulated Depolarisation Currents (TSDC), Infra-red spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), Dynamical Mechanical Spectroscopy (DMA), X-ray diffraction.

Recent Publication

1. E. Dudognon, N. T. Correia, F. Danède, M. Descamps, Solid-Solid Transformation in Racemic Ibuprofen, Pharmaceutical Research 30 pp. 81-89 (2013) [doi: 10.1007/s11095-012-0851-0]
2. T. Carvalho, V. Augusto, A. R. Brás, N. M. T. Lourenço, C. A. M. Afonso, S. Barreiros, N. T. Correia, P. Vidinha, E. J. Cabrita, C. J. Dias, M. Dionísio, B. Roling, Understanding the Ion Jelly Conductivity Mechanism, The Journal of Physical Chemistry B 116 pp. 2664-2676 (2012) [doi: 10.1021/jp2108768]
3. A. Hédoux, Y. Guinet, P. Derollez, E. Dudognon, N. T. Correia, Raman spectroscopy of racemic ibuprofen: Evidence of molecular disorder in phase II, International Journal of Pharmaceutics 421 pp. 45-52 (2011) [doi: 10.1016/j.ijpharm.2011.09.015]
4. E. G. Merino, C. Rodrigues, M. T. Viciosa, C. Melo, J. Sotomayor, M. Dionísio, N. T. Correia, Phase Transformations Undergone by Triton X-100 Probed by Differential Scanning Calorimetry and Dielectric Relaxation Spectroscopy, The Journal of Physical Chemistry B 115 pp. 12336-12347 (2011) [doi: 10.1021/jp2028033]
5. E. G. Merino, S. Atlas, M. Raihane, A. Belfkira, M. Lahcini, A. Hult, M. Dionísio, N. T. Correia, Molecular dynamics of poly(ATRIF) homopolymer and poly(AN-co-ATRIF) copolymer investigated by dielectric relaxation spectroscopy, European Polymer Journal 47 pp. 1429 (2011) [doi: 10.1016/j.eurpolymj.2011.04.006]
6. F. Affouard, N. T. Correia, Debye Process in Ibuprofen Glass-Forming Liquid: Insights from Molecular Dynamics Simulation, The Journal of Physical Chemistry B 114 pp. 11397-11402 (2010) [doi: 10.1021/jp1046358]
7. P. Derollez, E. Dudognon, F. Affouard, F. Danède, N. Correia, M. Descamps, Ab initio structure determination of phase II of racemic ibuprofen by X-ray powder diffraction , Acta Crystallographica Section B 66 pp. 76-80 (2010) [doi: 10.1107/S0108768109047363]
8. A. R. Brás, J. P. Noronha, A. M. M. Antunes, M. M. Cardoso, A. Schönhals, F. Affouard, M. Dionísio, N. Correia, Molecular motions in Amorphous Ibuprofen as Studied by Broadband Dielectric Spectroscopy , Journal of Physical Chemistry B 112 pp. 11087-11099 (2008) [doi: 10.1021/jp8040428]
9. E. Dudognon, F. Danède, M. Descamps, N. Correia, Evidence for a new crystalline phase of racemic ibuprofen , Pharmaceutical Research 25 pp. 2853 (2008) [doi: 10.1007/s11095-008-9655-7]
10. J. J. M. Ramos, N. Correia, P. D. Herminio, M. Descamps, Dielectric Study of the slow motional processes in the polymorphic states of anhydrous caffeine. , Journal of Physical Chemistry B 110 pp. 8268-8273 (2006) [doi: 10.1021/jp0571022]
11. P. Derollez, N. Correia, F. Danède, F. Capet, F. Affouard, J. Lefebvre, M. Descamps, Ab initio structure determination of the high temperature phase of anhydrous caffeine by X-ray powder diffraction , Acta Crystallographica Section B 61 pp. 329-334 (2005) [doi: 10.1107/S010876810500546X]
12. M. Descamps, N. Correia, P. Derollez, F. Danède, F. Capet, Plastic and Glassy Crystal States of caffeine , Journal of Physical Chemistry B 109 pp. 16092-16098 (2005) [doi: 10.1021/jp040494c]