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CIEPQPF

Chemical Process Engineering and Forest Products Research Centre

Mara Braga

Name
Position
Qualifications
Mara Braga

Mara Elga Medeiros Braga

Auxiliary Researcher

PhD in Food Engineering, State University of Campinas (UNICAMP), São Paulo, Brazil, 2005

MSc in Food Engineering, State University of Campinas (UNICAMP), São Paulo, Brazil, 2003

Diploma in Agronomy, Universidade Estadual Paulista (UNESP), São Paulo, Brazil, 1998

E-mail address
marabraga@eq.uc.pt
Telephone
+351-239798758
Teaching activities

Biomaterials

Tissue Engineering

Research group
Particles, Polymers and Biomaterials Technology (PPB)
Research interests

High Pressure and Supercritical Fluids

Extraction/Separation Processes from Natural Products and their Residues

Biomaterials, Polymers/Biopolymers and Hybrid/Composite Materials

Biomedical Applications and Drug Delivery Systems

Funded research projects

Reference: Cooperação Científica e Tecnológica FCT/CAPES 2013/2014 Ref. 4.4.1.00 CAPES. “Supercritical technologies for the development of pharmaceutical and cosmetic applications based on natural polymers and bioactive plant extracts”.

Reference: PTDC/AGR-PRO/2510/2012, “Biomanagement strategy to control phytoparasitic nematodes of emerging importance on potato - a new threat to Europe”

Reference: Bolsas de Ignição – Programa Estratégico INOV.C, QREN - Programa Mais Centro. (2011).“Efficient and more stable oxygen carriers based on silica/fluorocarbon nano- and micro-capsules”.

Reference: QREN/AdI – 2010/13186 - Valor5, “Valorização técnica e tecnológica de rolhas de cortiça pela incorporação de polímeros de origem natural”.

Reference: PTDC/AGR-AAM/099645/2008, “BioNIO – Bioactive Natural Ingredients from Opuntia spp. Valorisation of plants from Alentejo”.

Key publications

M.E.M. Braga, I.J. Seabra, A.M.A. Dias, H.C. de Sousa. Recent trends and perspectives for the extraction of natural products, in Natural Products Extraction: Principles and Applications, M. Rostagno and J. Prado (Eds). Royal Society of Chemistry (RSC Publishing), 2013, 231-284. ISBN: 978-1-84973-606-0, chapter DOI:10.1039/9781849737579-00231 

M.B.C. de Matos, A.P. Piedade, C. Alvarez-Lorenzo, A. Concheiro, M.E.M. Braga, H.C. de Sousa, Dexamethasone-loaded poly(e-caprolactone)/silica nanoparticles composites prepared by supercritical CO2 foaming/mixing and deposition, International Journal of Pharmaceutics, 456 (2013) 269-281. http://dx.doi.org/10.1016/j.ijpharm.2013.08.042

A.C.K. Bierhalz, M.A. da Silva, H.C. de Sousa, M.E.M. Braga, T.G. Kieckbusch. Influence of natamycin loading methods on the physical characteristics of alginate active films. J. of Supercritical Fluids 76 (2013) 74– 82.  http://dx.doi.org/10.1016/j.supflu.2013.01.014

A.M.A. Dias, A. Rey-Rico, R.A. Oliveira, S. Marceneiro, C. Alvarez-Lorenzo, A. Concheiro, R.N.C. Júnior, M.E.M. Braga, H.C. de Sousa. Wound dressings loaded with an anti-inflammatory jucá (Libidibia ferrea) extract using supercritical carbon dioxide technology.  J. of Supercritical Fluids, 74 (2013) 34– 45. http://dx.doi.org/10.1016/j.supflu.2012.12.007

C.Gonzalez-Chomon, M.E.M. Braga, H.C. de Sousa, A.Concheiro, C.Alvarez-Lorenzo. Antifouling foldable acrylic IOLs loaded with norfloxacin by aqueous soaking and by supercritical carbon dioxide technology, European Journal of Pharmaceutics and Biopharmaceutics, 2012, 82 (2012) 383–391. http://dx.doi.org/10.1016/j.ejpb.2012.07.007

A.M. A. Dias, P. Santos, I. J. Seabra, R. N. C. Júnior, M. E. M. Braga, H. C. de Sousa, Spilanthol from Spilanthes acmella Flowers, Leaves and Stems Obtained by Selective Supercritical Carbon Dioxide Extraction, J. Supercrit. Fluids, 61, 62-70, 2012, http://dx.doi.org/10.1016/j.supflu.2011.09.020

A.M.R.C. Alexandre, A.M.A. Dias, I.J. Seabra, A.T. Portugal, H.C. de Sousa, M.E.M. Braga, Biodiesel obtained from SFE-extracted Cynara cardunculus L. oil, J. of Supercritical Fluids, 68, 53-63, 2012, http://dx.doi.org/10.1016/j.supflu.2012.03.012

M.E.M. Braga, V.P. Costa, M.J. T. Pereira, P.T. Fiadeiro, A.Paula A. R. Gomes, C.M. M. Duarte, H.C. de Sousa, Effects of operational conditions on the supercritical solvent impregnation of acetazolamide in Balafilcon A commercial contact lenses. International Journal of Pharmaceutics 420 (2011) 231– 243 http://dx.doi.org/10.1016/j.ijpharm.2011.08.040

F. Yañez, L. Martikainen, L., M.E.M. Braga, C. Alvarez-Lorenzo, A. Concheiro, C.M. Duarte, M.H. Gil, M.H., H.C. De Sousa. Supercritical fluid-assisted preparation of imprinted contact lenses for drug delivery. Acta Biomaterialia 7, 1019-1030, 2011. http://dx.doi.org/10.1016/j.actbio.2010.10.003

A.T. Serra, I.J. Seabra, M.E.M. Braga, M.R. Bronze, H.C. de Sousa, C.M.M. Duarte. Processing cherries (Prunus avium) using supercritical fluid technology. Part 1 – Recovery of extracts fractions rich in bioactive compounds. J. of Supercritical Fluids 54, 2010. http://dx.doi.org/10.1016/j.supflu.2010.06.005

Theses supervision

PhD degree thesis- Luísa Teixeira Rocha Filipe -  co-supervision with Dr. Hermínio C. de Sousa, developed in Chemical Engineering – Chemical Processes, University of Coimbra (FCTUC), Portugal, 2010/2015. "Green and biomimetic strategies for the development of silica-based composite materials for biomedical applications".

PhD degree thesis- Cecilia Zorzi Bueno (Sandwich scholarship, co-supervision with Dra. Ângela Maria Moraes, FEQ-UNICAMP, Brazil) – 2011/2015. "Characterization of chitosan-alginate porous membranes containing polyhexamethylene biguanide for wound dressings applications".

PhD degree thesis- Andréa Cristiane Krause Bierhalz (Sandwich scholarship, co-supervision with Dr. Theo Guenter Kieckbusch and Dra. Mariana Altenhofen da Silva, FEQ-UNICAMP, Brazil)- 2010/2014. "Effect of crosslinking conditions on alginate biofilms containing natamycin and evaluation of their potential for application in processed foods" 

Master degree thesis (Pos-Bolonha) - António Rosa - co-supervision with Dr. Hermínio C. de Sousa, developed in Department of Chemical Engineering – FCT – University of Coimbra, 2013. "PCL/SBA-15 composite biomaterials plasticized with greener additives".

Master degree thesis in Biomedical Engineering (Pos-Bolonha) - Maria Betânia Carreira de Matos –  co-supervision with Dr. Hermínio C. de Sousa, developed in Department of Chemical Engineering – FCT – University of Coimbra (2012). "Drug-eluting silica/poly-alpha-esters biocomposite materials prepared by green technologies".

Other information

1º Prémio Nutrition Awards 2011 (Associação Portuguesa dos Nutricionistas/GCI), Categoria de Inovação e Desenvolvimento em Produtos e Serviços, com o trabalho: “Extracto de cereja obtido por tecnologia supercritica - um agente quimioterapêutico natural para o cancro do cólon”, Ana Teresa Serra, Catarina M.M. Duarte, Ana A. Matias, Herminio C. de Sousa, Mara E. M. Braga, Inês Seabra, Maria do Rosário Bronze, Instituto de Biologia Experimental e Tecnológica (IBET) e Departamento de Engenharia Química da Universidade de Coimbra (DEQ-FCTUC).

ORCID ID: 0000-0003-4142-4021  

Researcher ID Webpage: C-3777-2008

Scopus Author ID: 36019091700