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Paulo Jorge Amorim Madeira

AuthID: R-000-ECM

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Confirmed Publications: 23

11

TITLE: On the way to understand antioxidants: chromanol and dimethoxyphenols gas-phase acidities Full Text
AUTHORS: Paulo J A Amorim Madeira ; Mohammed Faddoul; Marta B Afonso; Pedro D Vaz ; Tereza Fernandez, MT ; Joao Paulo Leal ;
PUBLISHED: 2011, SOURCE: JOURNAL OF MASS SPECTROMETRY, VOLUME: 46, ISSUE: 7

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12

TITLE: Possible key intermediates in arsenic biochemistry: Synthesis and identification by liquid chromatography electrospray ionization mass spectrometry and high resolution mass spectrometry Full Text
AUTHORS: Alexandre M de Bettencourt; Maria Filomena Duarte ; Maria Helena Florencio ; Fernando F Henriques; Paulo A Madeira ; Maria Ines A Portela; Luis Filipe Vilas Boas ;
PUBLISHED: 2011, SOURCE: MICROCHEMICAL JOURNAL, VOLUME: 99, ISSUE: 2

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13

TITLE: Antiacetylcholinesterase and antioxidant activities of Plectranthus barbatus tea, after in vitro gastrointestinal metabolism Full Text
AUTHORS: Sara Porfirio; Pedro L V Fale ; Paulo J A Amorim Madeira ; Helena H Florencio ; Lia Ascensao; Maria Luisa M Serralheiro ;
PUBLISHED: 2010, SOURCE: FOOD CHEMISTRY, VOLUME: 122, ISSUE: 1

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14

TITLE: Electrospray ionization Fourier transform ion cyclotron resonance mass spectrometric and semi-empirical calculations study of five isoflavone aglycones Full Text
AUTHORS: Paulo J A Amorim Madeira ; Carlos M Borges ; Helena Florencio, MH ;
PUBLISHED: 2010, SOURCE: RAPID COMMUNICATIONS IN MASS SPECTROMETRY, VOLUME: 24, ISSUE: 23

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15

TITLE: Electrospray ionization mass spectrometric analysis of newly synthesized alpha,beta-unsaturated gamma-lactones fused to sugars Full Text
AUTHORS: Paulo J A Amorim Madeira ; Ana Margarida Rosa; Nuno M Xavier ; Amelia P Rauter ; Helena H Florencio ;
PUBLISHED: 2010, SOURCE: RAPID COMMUNICATIONS IN MASS SPECTROMETRY, VOLUME: 24, ISSUE: 7

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16

TITLE: Furanose C-C-linked gamma-lactones: a combined ESI FTICR MS and semi-empirical calculations study Full Text
AUTHORS: Paulo Amorim A Madeira ; Nuno M Xavier ; Amelia P Rauter ; Helena H Florencio ;
PUBLISHED: 2010, SOURCE: JOURNAL OF MASS SPECTROMETRY, VOLUME: 45, ISSUE: 10

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17

TITLE: Flavonoid - matrix cluster ions in MALDI mass spectrometry Full Text
AUTHORS: Paulo J A Amorim Madeira ; Helena H Florencio ;
PUBLISHED: 2009, SOURCE: JOURNAL OF MASS SPECTROMETRY, VOLUME: 44, ISSUE: 7

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18

TITLE: 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") Full Text
AUTHORS: Pedro L Fale ; Carlos Borges ; Paulo J A Amorim Madeira ; Lia Ascensao; Maria Eduarda M Araujo ; Maria Helena Florencio ; Maria Luisa M Serralheiro ;
PUBLISHED: 2009, SOURCE: FOOD CHEMISTRY, VOLUME: 114, ISSUE: 3

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19

TITLE: Synthetic Approaches to Novel Thiosugar Scaffolds Containing alpha,beta-Unsaturated Carbonyl Groups Full Text
AUTHORS: Nuno M Xavier ; Paulo J A Madeira ; Helena H Florencio ; Amelia P Rauter ;
PUBLISHED: 2009, SOURCE: EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, VOLUME: 2009, ISSUE: 29

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20

TITLE: Determination of Gas-Phase Acidities of Dimethylphenols: Combined Experimental and Theoretical Study
AUTHORS: Paulo J A Arnorim Madeira ; Paulo Jorge Costa ; Maria Tereza Fernandez ; Jose A M Martinho Simoes ; Joao Paulo Leal ;
PUBLISHED: 2008, SOURCE: JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY, VOLUME: 19, ISSUE: 11

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