Faculdade

Departamento

Maria Helena Freitas Casimiro

Post-Doc Researcher
Secção de Engenharia Química e Bioquímica
513A
(+351) 212948300
(+351) 212948550

Research Interests

- Polymeric catalytic membrane reactors and heterogeneous catalysis (to be used in the production of valuable compounds as aromas and precursors for pharmaceutical industry, and in the production of biodiesel).
- Development of polymeric catalytic membranes.
- Polymeric modification by gamma irradiation for preparation of immobilizing supports for drugs, enzymes and other catalysts.
- Functionalization of polymers by plasma discharge.

Main Publications

Esterification of Free Fatty Acids to Biodiesel over Heteropolyacids Immobilized on Mesoporous Silica
A.I. Tropecêlo, M.H. Casimiro, I.M. Fonseca, A.M. Ramos, J. Vital, J.E. Castanheiro
Applied Catalysis A: General 2010, 390, 183-189.
doi:10.1016/j.apcata.2010.10.007

Suitability of Gamma Irradiated Chitosan Based Membranes as Matrix in Drug Release System
M.H. Casimiro, M.H. Gil, J.P. Leal
International Journal of Pharmaceutics 2010, 395 (1-2), 142-146.
doi:10.1016/j.ijpharm.2010.05.034

Drug Release Assays from New Chitosan/pHEMA Membranes obtained by Gamma Irradiation
M.H. Casimiro, M.H. Gil, J.P. Leal
Nuclear Instruments and Methods in Physics Research B 2007, 265 (1), 406-409.
doi:10.1016/j.nimb.2007.09.013

Characterisation of Gamma Irradiated Chitosan/pHEMA Membranes for Biomedical Purposes
M.H. Casimiro, J.P. Leal, M.H. Gil
Nuclear Instruments and Methods in Physics Research B 2005 236 (1-4), 482-487.
doi:10.1016/j.nimb.2005.04.023

Chitosan Graft Copolymerisation Induced by Chemical, UV and Gamma Radiation
M.H. Casimiro, M.L. Botelho, J.P. Leal, M.H. Gil
Radiation Physics and Chemistry 2005, 72 (6), 731-735
doi:10.1016/j.radphyschem.2004.04.029

Thermal Analysis Evaluation of Mechanical Properties Changes Promoted by Gamma Radiation in Surgical Polymeric Textiles
L.M. Ferreira, M.H. Casimiro, C. Oliveira, M.E. Cabeço Silva, M.J. Marques Abreu, A. Coelho
Nuclear Instruments and Methods in Physics Research B 2002, 191 (1-4), 675-679.