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Publications for mhflorencio
(88)
2023
Initial Effect of Temperature Rise on α-Synuclein Aggregation – Entropic Forces Drive the Exposure of Protein Hydrophobic Groups Probed by Fluorescence Spectroscopy
(2023)
Marco A. Saraiva
M. Helena Florêncio
Journal articles
2022
Identification of a biological excimer involving protein–protein interactions: A case study of the α-synuclein aggregation
(2022)
Marco A. Saraiva
M. Helena Florêncio
Journal articles
2022
Early α-synuclein aggregation is overall delayed and it can occur by a stepwise mechanism
(2022)
Marco A. Saraiva
M. Helena Florêncio
Journal articles
2022
Shear Stress Induces α-Synuclein Aggregation Due to a Less Strained Protein Backbone and Protein Tyrosyl Groups Do Not Intervene in the Aggregation
(2022)
Marco A. Saraiva
Maria Helena Florêncio
Journal articles
2022
Buffering capacity is determinant for restoring early α-synuclein aggregation
(2022)
Marco A. Saraiva
M. Helena Florêncio
Journal articles
2021
Caraterização química de impressões digitais humanas por FT-MS: Aplicações forenses
(2021)
Ana Cristina Malato Monteiro de Almeida Assis
Carlos Alberto Alves Cordeiro
Maria Helena Ferreira da Silva Florêncio
Academic documents
2020
Comparative study on photocatalytic degradation of the antidepressant trazodone using (Co, Fe and Ru) doped titanate nanowires: Kinetics, transformation products and in silico toxicity assessment
(2020)
Rodrigo A. Osawa
Olinda C. Monteiro
M. Conceição Oliveira
M. Helena Florêncio
Journal articles
2020
Visible light photocatalytic degradation of amitriptyline using cobalt doped titanate nanowires: Kinetics and characterization of transformation products
(2020)
Rodrigo A. Osawa
Beatriz T. Barrocas
Olinda C. Monteiro
M. Conceição Oliveira
M. Helena Florêncio
Journal articles
2020
Phenolic profile and biological activities of decoctions from Santolina impressa, a Portuguese endemic species
(2020)
Ana Margarida Rodrigues et al., with 7 authors including:
Pedro Luis Vieira Falé
Lia Ascensão
Maria Luisa Marques Serralheiro
M.H. Florêncio
Journal articles
2019
Photocatalytic degradation of cyclophosphamide and ifosfamide: Effects of wastewater matrix, transformation products and in silico toxicity prediction
(2019)
Rodrigo A. Osawa
Beatriz T. Barrocas
Olinda C. Monteiro
M. Conceição Oliveira
M. Helena Florêncio
Journal articles
2019
Photocatalytic degradation of amitriptyline, trazodone and venlafaxine using modified cobalt-titanate nanowires under UV–Vis radiation: Transformation products and in silico toxicity
(2019)
Rodrigo A. Osawa
Beatriz T. Barrocas
Olinda C. Monteiro
M. Conceição Oliveira
M. Helena Florêncio
Journal articles
2019
Triacetone triperoxide characterization by FT-ICR mass spectrometry: Uncovering multiple forensic evidence
(2019)
Ana Cristina Almeida Assis
José Caetano
Maria Helena Florêncio
Carlos Cordeiro
Journal articles
2019
Degradation of duloxetine: Identification of transformation products by UHPLC-ESI(+)-HRMS/MS, in silico toxicity and wastewater analysis
(2019)
Rodrigo A. Osawa
Ana P. Carvalho
Olinda C. Monteiro
M. Conceição Oliveira
M. Helena Florêncio
Journal articles
2019
Transformation products of citalopram: Identification, wastewater analysis and in silico toxicological assessment
(2019)
Rodrigo A. Osawa
Ana P. Carvalho
Olinda C. Monteiro
M. Conceição Oliveira
M. Helena Florêncio
Journal articles
2019
Degradação de contaminantes emergentes: um estudo por espectrometria de massa e outras técnicas analíticas
(2019)
Osawa, Rodrigo Arimura
Florêncio, Maria Helena Ferreira da Silva
Academic documents
2018
Phenolic compounds from Actinidia deliciosa leaves: Caco-2 permeability, enzyme inhibitory activity and cell protein profile studies
(2018)
Joana Henriques
Pedro Luis Falé
Rita Pacheco
Maria Helena Florêncio
Maria Luísa Serralheiro
Journal articles
2017
Antiacetylcholinesterase activity and docking studies with chlorogenic acid, cynarin and arzanol from Helichrysum stoechas (Lamiaceae)
(2017)
Letícia Silva et al., with 11 authors including:
Miguel Machuqueiro
Maria Helena Florêncio
Lia Ascensão
Maria Luísa Marques Serralheiro
Journal articles
2017
Valorization of kiwifruit production: leaves of the pruning branches of Actinidia deliciosa as a promising source of polyphenols
(2017)
Joana Henriques et al., with 7 authors including:
Lia Ascensão
Maria Helena Florêncio
M. L. M. Serralheiro
Journal articles
2017
Quantification and structural characterization of raffinose family oligosaccharides in Casuarina glauca plant tissues by porous graphitic carbon electrospray quadrupole ion trap mass spectrometry
(2017)
Tiago F. Jorge
M. Helena Florêncio
Ana I. Ribeiro-Barros
Carla António
Journal articles
2016
Atividade antioxidante da casca da pêra abacate (Persea americana) e identificação dos seus compostos
(2016)
tAssunção, Ana Catarina Mendonça
Pacheco, Rita Isabel Dias
Florêncio, Maria Helena Ferreira da Silva
Academic documents
2016
Determinação de compostos bioativos e atividades biológicas, de extratos aquosos de folhas de Actinidia deliciosa
(2016)
tHenriques, Joana Filipa Silvério
tSerralheiro, Maria Luísa
Florêncio, Maria Helena Ferreira da Silva
Academic documents
2015
Mass spectrometric studies of the reaction of a blocked arginine with diketonic alpha-dicarbonyls
(2015)
Marco A. Saraiva
Carlos M. Borges
M. Helena Florêncio
Journal articles
2015
Wittig Reaction: Domino Olefination and Stereoselectivity DFT Study. Synthesis of the Miharamycins' Bicyclic Sugar Moiety
(2015)
V. Cachatra et al., with 11 authors including:
A.Almeida
M. H. Florêncio
R.Nunes
D. Vila-Viçosa
M. J. Calhorda
A. P. Rauter
Journal articles
2015
Molecular aspects of the chemical drying of oil paints formulated in the period 1890-1940
(2015)
Pedro Alexandre dos Santos Leitão Caetano Alves
Maria Helena Ferreira da Silva Florêncio
Jaap J. Boon
Academic documents
2015
Database of Phenolic Compounds by Mass Spectrometry
(2015)
C. Sánchez
M. H. Florêncio
M. L. Serralheiro
A. P. Marques
Conference papers
2015
Method's Development For Drug Analysis by Mass Spectrometry and other Analytical Techniques
(2015)
R. A. Osawa
M. H. Florêncio
A. P. Carvalho
M. R. Bronze
Conference papers
2015
Compounds from herbal infusions and fruits in the prevention of age-related diseases
(2015)
E. Brito et al., with 15 authors including:
M. H. Florencio
Conference papers
2015
Phenolic Compounds Identification by Mass Spectrometry
(2015)
Cristina Sánchez
M. Helena Florêncio
M. Luísa Serralheiro
Ana Patrícia Marques
Book chapters
2014
Phytochemical Analysis of Plectranthus sp. Extracts and Application in Inhibition of Dental Bacteria, Streptococcus sobrinus and Streptococcus mutans
(2014)
N. L. Figueiredo et al., with 7 authors including:
M. Helena Florêncio
L. Ascensão
Journal articles
2013
Activities of Annona cherimolla extracts and its main components in the inhibition of acetylcholinesterase and HMG-CoA reductase
(2013)
P.L. Falé
C. Ferreira
F.N. Frazão
M.H. Florêncio
M.L.M. Serralheiro
Conference papers
2013
Molecular Recognition of Rosmarinic Acid from Salvia sclareoides Extracts by Acetylcholinesterase. A New Binding Site Detected by NMR
(2013)
F. Marcelo et al., with 10 authors including:
M. H. Florêncio
Journal articles
2013
Can semi empirical calculations help solve mass spectrometry problems? Protonation sites and proton affinities of aminoacids
(2013)
P. J. Amorim Madeira
P. D. Vaz
R. J. N. Bettencourt da Silva
M. H. Florêncio
Journal articles
2013
Antioxidant and anti-acetylcholinesterase activity of commercially available medicinal infusions after in vitro gastrointestinal digestion
(2013)
P.L. Falé et al., with 8 authors including:
M.H. Florêncio
Journal articles
2013
Acetylcholinesterase Inhibitory Activity After in vitro Gastrointestinal Digestion of Infusions of Mentha Species
(2013)
P.C. Dinis
P.L. Falé
P.J.A. Madeira
M.H. Florêncio
M.L.M. Serralheiro
Journal articles
2013
Evaluation of cholesterol absorption and biosynthesis by decoctions of Annona cherimola leaves
(2013)
P.L.Falé et al., with 6 authors including:
M.H. Florêncio
Journal articles
2013
Can semi-empirical calculations help solve mass spectrometry problems? Protonation sites and proton affinities of amino acids
(2013)
Pedro J. A. Madeira
Pedro D. Vaz
Ricardo J. N. Bettencourt da Silva
Maria H. Florêncio
Journal articles
2013
Different methods of oil analysis in oil paints
(2013)
Pedro Caetano Alves
Paulo J. Amorim Madeira
Helena Florêncio
Conference papers
2013
Oil Chemical analysis in oil paints
(2013)
Pedro Caetano Alves
Maria Helena Florêncio
Conference papers
2012
Reactions of aminoguanidine with a-dicarbonyl compounds studied by electrospray ionization mass spectrometry
(2012)
M. A. Saraiva
C. M. Borges
M. H. Florêncio
Journal articles
2012
Acetylcholinesterase inhibition, antioxidant activity and toxicity of Peumus boldus water extracts on HeLa and Caco-2 cell lines
(2012)
P. L. Falé et al., with 7 authors including:
M. H. Florêncio
Journal articles
2012
Applications of tandem mass spectrometry: from structural analysis to fundamental studies
(2012)
P. J. A. Madeira
M. H. Florêncio
Book chapters
2012
Nutrientes e suplementos nutricionais em vegetais e frutos frequentemente usados na dieta: estudo por espectrometria de massa do resveratrol nas uvas
(2012)
Jorge, Tiago Filipe Pinto
Florêncio, Maria Helena Ferreira da Silva
Madeira, Paulo Jorge Amorim
Academic documents
2011
Fast Atom Bombardment (FAB) Mass Spectra: Usual and Unusual Features
(2011)
M. H. Florêncio
Books
2011
Function of Plectranthus barbatus herbal tea as neuronal acetylcholinesterase inhibitor
(2011)
Falé PLV
Madeira PJA
Florêncio MH
Ascensão L
Serralheiro MLM
Journal articles
2011
Possible key intermediates in arsenic biochemistry: Synthesis and identification by liquid chromatography electrospray ionization mass spectrometry and high resolution mass spectrometry
(2011)
A. M. de Bettencourt et al., with 7 authors including:
M. F. Duarte
M. H. Florêncio
Journal articles
2011
Interaction of new ruthenium (II) cyclopentadienyl compounds with proteins
(2011)
T.S. Morais
M.H. Garcia
P.J.A. Madeira
M.H. Florêncio
V. Moreno
Conference papers
2011
Gas-phase behaviour of ruthenium (II) cyclopentadienyl derivatives: an FT-ICR mass spectrometry study
(2011)
Paulo J. Amorim Madeira
Tânia S. Morais
M. Helena Garcia
M. Helena Florêncio
Conference papers
2011
Novos compostos de “Ru(II)(eta5-C5H5)” como potenciais agentes anti-tumorais
(2011)
T.S. Morais et al., with 6 authors including:
T.S. Morais
M.H. Garcia
A.I. Tomaz
M.H. Florêncio
Conference papers
2010
ESI FT-ICR MS and semi-empirical calculations study of five isoflavone aglycones
(2010)
Madeira PJA
Borges CM
Florêncio MH
Journal articles
2010
Electrospray ionization mass spectrometric analysis of newly synthesized α ,β -unsaturated γ -lactones fused to sugars
(2010)
Paulo J. Amorim Madeira
Ana Margarida Rosa
Nuno M. Xavier
Amélia P. Rauter
M. Helena Florêncio
Journal articles
2010
Furanose C-C-linked γ-lactones: a combined ESI FTICR MS and semi-empirical calculations study
(2010)
Madeira PJA
Xavier NM
Rauter AP
Florêncio MH.
Journal articles
2010
Antiacetylcholinesterase and antioxidant activities of Plectranthus barbatus tea, after in-vitro gastrointestinal metabolism
(2010)
Porfírio S et al., with 6 authors including:
Florêncio MH
Ascensão L
Journal articles
2010
Behaviour of 4-(?2-hydroxyethyl)-1-piperazineethanesulphonic acid under electrospray ionisation mass spectrometry conditions
(2010)
Marco A. Saraiva
Carlos M. Borges
M. Helena Florêncio
Journal articles
2010
A mass spectrometry study of compounds with environmental and biological interest
(2010)
Madeira, Paulo Jorge Amorim
Florêncio, Maria Helena Ferreira da Silva
Academic documents
2009
Rosmarinic Acid, scutellarein 4'-methyl ether 7-O-glucuronide and (16S)-Coleon E are the main compounds responsible for the antiacetylcholinesterase and antioxidant activity in herbal tea of Plectranthus barbatus (“Falso Boldo”)
(2009)
Falé P. L. et al., with 7 authors including:
Borges C.
Ascensão L
Florêncio M.H.
Journal articles
2009
Electrospray ionization tandem mass spectrometry fragmentation of protonated flavone and flavonol aglycones: a re-examination
(2009)
Gonçalo C. Justino
Carlos M. Borges
M. Helena Florêncio
Journal articles
2009
Doped titanium dioxide nanocrystalline powders with high photocatalytic activity
(2009)
AL Castro et al., with 7 authors including:
MD Carvalho
MH Florêncio
Journal articles
2009
Structure and Antioxidant activity of Brominated Flavonols and Flavanones
(2009)
G. Justino
M. Rodrigues
M. H. Florêncio
L. Mira
Journal articles
2009
ESI-MS/MS fragmentation of protonated flavone and flavonolaglycones: a re-examination
(2009)
Gonçalo C. Justino
Carlos Borges
M. Helena Florêncio
Journal articles
2009
Synthetic Approaches to Novel Thiosugar Scaffolds Containing α,β-Unsaturated Carbonyl Groups
(2009)
N. M. Xavier
P. J. A. Madeira
M. H. Florêncio
A. P. Rauter
Journal articles
2009
Flavonoid-Matrix cluster ions in MALDI Mass Spectrometry
(2009)
P. J. A. Madeira
M. Helena Florêncio
Journal articles
2009
Plant extracts with anti-inflammatory properties—A new approach for characterization of their bioactive compounds and establishment of structure–antioxidant activity relationships
(2009)
S. Amaral
L. Mira
J. M. F. Nogueira
A. P. Silva
M. H. Florêncio
Journal articles
2008
Synthesis and Biological Evaluation of Sugars Containing α,β-Unsaturated γ-Lactones
(2008)
Nuno M. Xavier et al., with 8 authors including:
Nuno M. Xavier
M. Helena Florêncio
Journal articles
2008
TiO2 anatase as matrix for MALDI analysis of small molecules
(2008)
Ana L. Castro
Paulo J. Amorim Madeira
Manuel R. Nunes
Fernanda M. Costa
M. Helena Florêncio
Journal articles
2008
Synthesis of anatase TiO2 nanoparticles with high temperature stability and photocatalytic activity
(2008)
A.L. Castro
M.R. Nunes
A.P. Carvalho
F.M. Costa
M.H. Florêncio
Journal articles
2008
Influence of the metabolic profile on the in vivo antioxidant activity of quercetin under a low dosage oral regimen in rats
(2008)
M. Santos et al., with 6 authors including:
M.H. Florencio
L. Mira
Journal articles
2007
New strategies to screen for endocrine-disrupting chemicals in the Portuguese marine environment utilizing large volume injection–capillary gas chromatography–mass spectrometry combined with retention time locking libraries (LVI–GC–MS–RTL)
(2007)
C. Almeida
P. Serôdio
M. H. Florêncio
J. M. F. Nogueira
Journal articles
2006
Reactions of a modified lysine with aldehydic and diketonic dicarbonyl compounds: an electrospray mass spectrometry structure/activity study
(2006)
M. A. Saraiva
C. M. Borges
M. H. Florêncio
Journal articles
2006
Non-enzimatic model glycation reactions - a comprehensive study of the reactivity of modified arginine aldehydic and diketonic compounds by electrospray mass spectrometry
(2006)
M. A. Saraiva
C. M. Borges
M. H. Florêncio
Journal articles
2006
Towards the control and inhibition of glycation - the role of the guanidine reaction center with aldehydic and diketonic dicarbonyls. A mass spectrometry study
(2006)
M. A. Saraiva
C. M. Borges
M. H. Florêncio
Journal articles
2005
Benzidine photodegradation: a mass spectrometry and UV spectroscopy combined study
(2005)
Paulo Madeira
M. R. Nunes
C. Borges
F. M. Costa
M. H. Florêncio
Journal articles
2004
Plasma quercetin metabolites: structure-antioxidant activity relationships
(2004)
G. C. Justino et al., with 6 authors including:
C. Borges
M. H. Florêncio
L. Mira
Journal articles
2004
Photodegradation of diquat and paraquat in aqueous solutions by Titanium dioxide: evolution of degradation reactions and identification of intermediates
(2004)
M. H. Florêncio et al., with 6 authors including:
M. H. Florêncio
C. Borges
Journal articles
2003
Levels of Tributyltin in Sediments from Tagus Estuary Nature Reserve
(2003)
J.M.F. Nogueira
B. Simplício
M.H. Florêncio
A.M.M. Bettencourt
Journal articles
2003
Study of the Photodegradation of Diquat and Paraquat in Aqueous Solutions by Titanium Dioxide: Evolution of Degradation Reactions and Identification of Intermediates
(2003)
M Helena Florêncio et al., with 6 authors including:
M Helena Florêncio
Journal articles
2002
Estudo de fotodegradação de herbicidas em solução aquosa, por acção de TiO2
(2002)
Elisabete Pires et al., with 6 authors including:
Maria Helena Florêncio
Conference papers
2002
Iron and Copper Chelation by Flavonoids: An Electrospray Mass Spectrometry Study
(2002)
M. T. Fernandez
M. L. Mira
M. H. Florêncio
K. R. Jennings
Journal articles
2002
Synthetic, Spectroscopic and X-Ray Crystallographic Studies of [1,2,7,8]tetrathiacyclododecinol[4,3-b:5,6-b´:10,9-b´´:11,12-b´´]tetraindoles
(2002)
T. Janosik et al., with 11 authors including:
M. F. Duarte
M. H. Florêncio
Journal articles
2002
Interactions of Flavonoids with Iron and Copper Ions: A Mechanism for their Antioxidant Activity
(2002)
L. Mira et al., with 6 authors including:
L. Mira
M. T. Fernandez
M. H. Florêncio
Journal articles
2001
Optimization and Validation of Tributyltin by SPE/CGC/MSD
(2001)
J. M. F. Nogueira
P. Teixeira
M. H. Florêncio
Journal articles
2001
Fragmentation pathways of organoarsenical compounds by electrospray ion trap multiple mass spectrometry (MS6)
(2001)
B. R. Larsen
C. Astorga-Llorens
M. H. Florêncio
A. M. Bettencourt
Journal articles
2001
Synthetic Seco-Friedelane and Friedelane Derivatives as Inhibitors of Human Lymphocyte Proliferation and Growth of Human Cancer Cell Lines in Vitro
(2001)
C. Moiteiro et al., with 9 authors including:
M. H. Florêncio
Journal articles
2000
Antioxidants in Medicinal Plant Extracts. A Research Study of the Antioxidant Capacity of Crataegus, Hamamelis and Hydrastis
(2000)
A. P. Silva et al., with 6 authors including:
L. Mira
M. F. Duarte
M. H. Florêncio
Journal articles
2000
Fast Atom Bombardment (FAB) Mass Spectra: Usual and Unusual Features
(2000)
M. H. Florêncio
Book chapters
1999
Copper and Iron Interations with Angiotensin-converting enzym inhibitors. A Study by Fast-atom Bombardment Tandem Mass Spectrometry
(1999)
C. Silva et al., with 6 authors including:
L. Mira
H. Florêncio
Journal articles
1999
Electrospray mass spectrometry of angiotensin-converting enzyme inhibitors
(1999)
M. Helena Florêncio
M. Tereza Fernandez
M. Lurdes Mira
Allan Millar
Keith R. Jennings
Journal articles
1998
Iron and copper complexation by angiotensin-converting enzyme inhibitors. A study by ultraviolet spectroscopy and electrospray mass spectrometry
(1998)
M. Tereza Fernandez et al., with 6 authors including:
M. Tereza Fernandez
Lurdes Mira
M. Helena Florêncio
Journal articles
1998
Silver (I) induced tertiary amine oxidation in toluene
(1998)
Santos M.S.C.S.
Florencio, MH
Barbosa, E.F.G.
Journal articles