Cristina Freire
Cristina Freire
LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, UP
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Superparamagnetic MFe2O4 (M = Fe, Co, Mn) Nanoparticles: Tuning the Particle Size and Magnetic Properties through a Novel One-Step Coprecipitation Route
C Pereira, AM Pereira, C Fernandes, M Rocha, R Mendes, ...
Chemistry of Materials 24 (8), 1496-1504, 2012
Antioxidant activity of Agaricus sp. mushrooms by chemical, biochemical and electrochemical assays
L Barros, S Falcão, P Baptista, C Freire, M Vilas-Boas, ICFR Ferreira
Food chemistry 111 (1), 61-66, 2008
Progress in the Raman spectra analysis of covalently functionalized multiwalled carbon nanotubes: unraveling disorder in graphitic materials
SLH Rebelo, A Guedes, ME Szefczyk, AM Pereira, JP Araújo, C Freire
Physical Chemistry Chemical Physics 18 (18), 12784-12796, 2016
Phenolic profiling of Portuguese propolis by LC–MS spectrometry: uncommon propolis rich in flavonoid glycosides
SI Falcão, N Vale, P Gomes, MRM Domingues, C Freire, SM Cardoso, ...
Phytochemical Analysis 24 (4), 309-318, 2013
New insights into the structure and properties of electroactive polymer films derived from [Ni (salen)]
M Vilas-Boas, C Freire, B de Castro, PA Christensen, AR Hillman
Inorganic Chemistry 36 (22), 4919-4929, 1997
Designing novel hybrid materials by one-pot co-condensation: from hydrophobic mesoporous silica nanoparticles to superamphiphobic cotton textiles
C Pereira, C Alves, A Monteiro, C Magen, AM Pereira, A Ibarra, MR Ibarra, ...
ACS applied materials & interfaces 3 (7), 2289-2299, 2011
Electrochemical characterization of a novel salen-type modified electrode
M Vilas-Boas, C Freire, B De Castro, AR Hillman
The Journal of Physical Chemistry B 102 (43), 8533-8540, 1998
Superparamagnetic γ-Fe 2 O 3@ SiO 2 nanoparticles: a novel support for the immobilization of [VO (acac) 2]
C Pereira, AM Pereira, P Quaresma, PB Tavares, E Pereira, JP Araújo, ...
Dalton Transactions 39 (11), 2842-2854, 2010
Electrochemical and X-ray studies of nickel (II) Schiff base complexes derived from salicylaldehyde: Structural effects of bridge substituents on the stabilisation of the+ 3 …
IC Santos, M Vilas-Boas, MFM Piedade, C Freire, MT Duarte, B De Castro
Polyhedron 19 (6), 655-664, 2000
New insights into the functionalization of multi-walled carbon nanotubes with aniline derivatives
ME Lipińska, SLH Rebelo, MFR Pereira, J Gomes, C Freire, JL Figueiredo
Carbon 50 (9), 3280-3294, 2012
Manganese (III) salen complexes anchored onto activated carbon as heterogeneous catalysts for the epoxidation of olefins
AR Silva, JL Figueiredo, C Freire, B de Castro
Microporous and mesoporous materials 68 (1-3), 83-89, 2004
Styrene oxidation by manganese Schiff base complexes in zeolite structures
M Silva, C Freire, B De Castro, JL Figueiredo
Journal of Molecular Catalysis A: Chemical 258 (1-2), 327-333, 2006
Modulation of the catalytic activity of manganese (III) salen complexes in the epoxidation of styrene: influence of the oxygen source
AR Silva, C Freire, B de Castro
New Journal of Chemistry 28 (2), 253-260, 2004
Immobilisation of amine-functionalised nickel (II) Schiff base complexes onto activated carbon treated with thionyl chloride
AR Silva, M Martins, MMA Freitas, A Valente, C Freire, B De Castro, ...
Microporous and mesoporous materials 55 (3), 275-284, 2002
Electrochemical Behavior of a New Precursor for the Design of Poly[Ni(salen)]-Based Modified Electrodes
M Vilas-Boas, IC Santos, MJ Henderson, C Freire, AR Hillman, E Vieil
Langmuir 19 (18), 7460-7468, 2003
Novel composite material Polyoxovanadate@ MIL-101 (Cr): a highly efficient Electrocatalyst for ascorbic acid oxidation
DM Fernandes, ADS Barbosa, J Pires, SS Balula, L Cunha-Silva, C Freire
ACS applied materials & interfaces 5 (24), 13382-13390, 2013
Synthesis and characterization of benzo-15-crown-5 ethers with appended N2O Schiff bases
C Sousa, C Freire, B De Castro
Molecules 8 (12), 894-900, 2003
Anchoring of a nickel (II) Schiff base complex onto activated carbon mediated by cyanuric chloride
AR Silva, C Freire, B De Castro, MMA Freitas, JL Figueiredo
Microporous and mesoporous materials 46 (2-3), 211-221, 2001
Electrochemical and structural studies of nickel (II) complexes with N2O2 Schiff base ligands 2. Crystal and molecular structure of N, N′-l, 2-ethane-1, 2-diyl-bis (2 …
F Azevedo, MAAF de CT Carrondo, B de Castro, M Convery, ...
Inorganica chimica acta 219 (1-2), 43-54, 1994
Novel electrochemical sensor based on N-doped carbon nanotubes and Fe3O4 nanoparticles: Simultaneous voltammetric determination of ascorbic acid, dopamine and uric acid
DM Fernandes, M Costa, C Pereira, B Bachiller-Baeza, ...
Journal of colloid and interface science 432, 207-213, 2014
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