M. Emília Azenha
M. Emília Azenha
Professor de Química, Universidade de Coimbra
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A comparative study of water soluble 5, 10, 15, 20-tetrakis (2, 6-dichloro-3-sulfophenyl) porphyrin and its metal complexes as efficient sensitizers for photodegradation of phenols
CJP Monteiro, MM Pereira, ME Azenha, HD Burrows, C Serpa, LG Arnaut, ...
Photochemical & Photobiological Sciences 4 (8), 617-624, 2005
Immobilization of halogenated porphyrins and their copper complexes in MCM-41: environmentally friendly photocatalysts for the degradation of pesticides
M Silva, ME Azenha, MM Pereira, HD Burrows, M Sarakha, C Forano, ...
Applied Catalysis B: Environmental 100 (1-2), 1-9, 2010
Deactivation processes of the lowest excited state of [UO2(H2O)5]2+ in aqueous solution
SJ Formosinho, HD Burrows, M da Graça Miguel, MEDG Azenha, ...
Photochemical & Photobiological Sciences 2, 569-575, 2003
Zinc (II) phthalocyanines immobilized in mesoporous silica Al-MCM-41 and their applications in photocatalytic degradation of pesticides
M Silva, MJF Calvete, NPF Gonçalves, HD Burrows, M Sarakha, ...
Journal of hazardous materials 233, 79-88, 2012
Photooxidation of 4-chlorophenol sensitised by iron meso-tetrakis(2,6-dichloro-3-sulfophenyl)porphyrin in aqueous solution
E Silva, MM Pereira, HD Burrows, ME Azenha, M Sarakha, M Bolte
Photochemical & Photobiological Sciences 3, 200-204, 2004
Aqueous solutions of uranium (VI) as studied by time-resolved emission spectroscopy: a round-robin test
I Billard, E Ansoborlo, K Apperson, S Arpigny, ME Azenha, D Birch, P Bros, ...
Applied spectroscopy 57 (8), 1027-1038, 2003
Photodegradation of atrazine and ametryn with visible light using water soluble porphyrins as sensitizers
SLH Rebelo, A Melo, R Coimbra, ME Azenha, MM Pereira, HD Burrows, ...
Environmental Chemistry Letters 5, 29-33, 2007
On the uranyl ion luminescence in aqueous solutions
M Azenha, HD Burrows, SJ Formosinho, MGM Miguel, AP Daramanyan, ...
Journal of luminescence 48, 522-526, 1991
Kinetic and mechanistic aspects of the direct photodegradation of atrazine, atraton, ametryn and 2‐hydroxyatrazine by 254 nm light in aqueous solution
M Azenha, HD Burrows, M Canle L, R Coimbra, MI Fernández, MV García, ...
Journal of physical organic chemistry 16 (8), 498-503, 2003
Cation association with sodium dodecyl sulfate micelles as seen by lanthanide luminescence
MJ Tapia, HD Burrows, M Emília DG Azenha, M da Graca Miguel, A Pais, ...
The Journal of Physical Chemistry B 106 (27), 6966-6972, 2002
Titanium dioxide nanoparticle photocatalysed degradation of ibuprofen and naproxen in water: Competing hydroxyl radical attack and oxidative decarboxylation by semiconductor holes
A Romeiro, ME Azenha, M Canle, VHN Rodrigues, JP Da Silva, ...
ChemistrySelect 3 (39), 10915-10924, 2018
Photophysics of the excited uranyl ion in aqueous solutions. Part 6.—Quenching effects of aliphatic alcohols
MEDG Azenha, HD Burrows, SJ Formosinho, MM Maria de Graça
Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry …, 1989
On the Low‐Lying Excited States of sym‐Triazine‐Based Herbicides
JM Oliva, MEDG Azenha, HD Burrows, R Coimbra, JS Seixas de Melo, ...
ChemPhysChem 6 (2), 306-314, 2005
Luminescence from cerium (III) acetate complexes in aqueous solution: considerations on the nature of carboxylate binding to trivalent lanthanides
ME Azenha, HD Burrows, SM Fonseca, ML Ramos, J Rovisco, JS de Melo, ...
New Journal of Chemistry 32 (9), 1531-1535, 2008
Synthesis of vinylated 5, 10, 15, 20-tetraphenylporphyrins via Heck-type coupling reaction and their photophysical properties
MM Pereira, G Muller, JI Ordinas, ME Azenha, LG Arnaut
Journal of the Chemical Society, Perkin Transactions 2, 1583-1588, 2002
Effect of the calcination temperature on the photocatalytic efficiency of acidic sol–gel synthesized TiO2 nanoparticles in the degradation of alprazolam
A Romeiro, D Freitas, M Emilia Azenha, M Canle, HD Burrows
Photochemical & Photobiological Sciences 16, 935-945, 2017
On the kinetics and energetics of one-electron oxidation of 1, 3, 5-triazines
M Azenha, HD Burrows, R Coimbra, MI Fernández, MV García, ...
Chemical communications, 112-113, 2003
Immobilization of 5, 10, 15, 20-tetrakis-(2-fluorophenyl) porphyrin into MCM-41 and NaY: routes toward photodegradation of pesticides
M Silva, ME Azenha, MM Pereira, HD Burrows, M Sarakha, MF Ribeiro, ...
Pure and Applied Chemistry 81 (11), 2025-2033, 2009
Understanding the interaction between trivalent lanthanide ions and stereoregular polymethacrylates through luminescence, binding isotherms, NMR, and interaction with …
K Kogej, SM Fonseca, J Rovisco, ME Azenha, ML Ramos, ...
Langmuir 29 (47), 14429-14437, 2013
Co-ordination behaviour of dioxouranium (VI) nitrate in water–acetone mixtures
MEDG Azenha, HD Burrows, SJ Formosinho, MLP Leitão, ...
Journal of the Chemical Society, Dalton Transactions, 2893-2895, 1988
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