Helena Maria Correia Seixas Carapuça
AuthID: R-000-5T1
11
TITLE: Ion-exchange voltammetry of dopamine at Nafion-coated glassy carbon electrodes: Quantitative features of ion-exchange partition and reassessment on the oxidation mechanism of dopamine in the presence of excess ascorbic acid Full Text
AUTHORS: Luciana S Rocha ; Helena M Carapuca;
PUBLISHED: 2006, SOURCE: BIOELECTROCHEMISTRY, VOLUME: 69, ISSUE: 2
AUTHORS: Luciana S Rocha ; Helena M Carapuca;
PUBLISHED: 2006, SOURCE: BIOELECTROCHEMISTRY, VOLUME: 69, ISSUE: 2
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TITLE: Ion-exchange voltammetry with nafion/poly(sodium 4-styrenesulfonate) mixed coatings on mercury film electrodes: Characterization studies and application to the determination of trace metals Full Text
AUTHORS: Luciana S Rocha ; Jose Paulo Pinheiro ; Helena M Carapuca;
PUBLISHED: 2006, SOURCE: LANGMUIR, VOLUME: 22, ISSUE: 19
AUTHORS: Luciana S Rocha ; Jose Paulo Pinheiro ; Helena M Carapuca;
PUBLISHED: 2006, SOURCE: LANGMUIR, VOLUME: 22, ISSUE: 19
13
TITLE: Electrochemical characterization of glassy carbon electrodes modified with hybrid inorganic-organic single-layer of alpha-Keggin type polyoxotungstates Full Text
AUTHORS: Carapuca, HM; Balula, MS ; Fonseca, AP; Cavaleiro, AMV ;
PUBLISHED: 2006, SOURCE: JOURNAL OF SOLID STATE ELECTROCHEMISTRY, VOLUME: 10, ISSUE: 1
AUTHORS: Carapuca, HM; Balula, MS ; Fonseca, AP; Cavaleiro, AMV ;
PUBLISHED: 2006, SOURCE: JOURNAL OF SOLID STATE ELECTROCHEMISTRY, VOLUME: 10, ISSUE: 1
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TITLE: Study of cork (from Quercus suber L.)-wine model interactions based on voltammetric multivariate analysis Full Text
AUTHORS: Rocha, SM ; Ganito, S; Barros, A ; Carapuca, HM; Delgadillo, I ;
PUBLISHED: 2005, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 528, ISSUE: 2
AUTHORS: Rocha, SM ; Ganito, S; Barros, A ; Carapuca, HM; Delgadillo, I ;
PUBLISHED: 2005, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 528, ISSUE: 2
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TITLE: Carboxylate anions binding and sensing by a novel tetraazamacrocycle containing ferrocene as receptor Full Text
AUTHORS: Cui, XL; Delgado, R ; Carapuca, HM; Drew, MGB; Felix, V ;
PUBLISHED: 2005, SOURCE: DALTON TRANSACTIONS, ISSUE: 20
AUTHORS: Cui, XL; Delgado, R ; Carapuca, HM; Drew, MGB; Felix, V ;
PUBLISHED: 2005, SOURCE: DALTON TRANSACTIONS, ISSUE: 20
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TITLE: Adsorptive stripping voltammetry of trimethoprim: Mechanistic studies and application to the fast determination in pharmaceutical suspensions Full Text
AUTHORS: Helena M Carapuça; David J Cabral; Luciana S Rocha;
PUBLISHED: 2005, SOURCE: Journal of Pharmaceutical and Biomedical Analysis, VOLUME: 38, ISSUE: 2
AUTHORS: Helena M Carapuça; David J Cabral; Luciana S Rocha;
PUBLISHED: 2005, SOURCE: Journal of Pharmaceutical and Biomedical Analysis, VOLUME: 38, ISSUE: 2
INDEXED IN: CrossRef
17
TITLE: Monitoring acid-volatile sulphide by a fast scan voltammetric method: application to mercury contamination studies in salt marsh sediments Full Text
AUTHORS: Carapuca, HM; Valega, M; Pereira, E ; Duarte, AC ;
PUBLISHED: 2004, SOURCE: 8th International Symposium on Analytical Methodology in the Environmental Fiels/13th Meeting of the Spanish-Society-of-analytical-Chemistry in ANALYTICA CHIMICA ACTA, VOLUME: 524, ISSUE: 1-2
AUTHORS: Carapuca, HM; Valega, M; Pereira, E ; Duarte, AC ;
PUBLISHED: 2004, SOURCE: 8th International Symposium on Analytical Methodology in the Environmental Fiels/13th Meeting of the Spanish-Society-of-analytical-Chemistry in ANALYTICA CHIMICA ACTA, VOLUME: 524, ISSUE: 1-2
INDEXED IN: Scopus WOS
18
TITLE: Simultaneous determination of copper and lead in seawater using optimised thin-mercury film electrodes in situ plated in thiocyanate media Full Text
AUTHORS: Carapuca, HM; Monterroso, SCC; Rocha, LS ; Duarte, AC ;
PUBLISHED: 2004, SOURCE: TALANTA, VOLUME: 64, ISSUE: 2
AUTHORS: Carapuca, HM; Monterroso, SCC; Rocha, LS ; Duarte, AC ;
PUBLISHED: 2004, SOURCE: TALANTA, VOLUME: 64, ISSUE: 2
INDEXED IN: Scopus WOS
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TITLE: Optimisation of mercury film deposition on glassy carbon electrodes: evaluation of the combined effects of pH, thiocyanate ion and deposition potential Full Text
AUTHORS: Monterroso, SCC; Carapuca, HM; Simao, JEJ; Duarte, AC ;
PUBLISHED: 2004, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 503, ISSUE: 2
AUTHORS: Monterroso, SCC; Carapuca, HM; Simao, JEJ; Duarte, AC ;
PUBLISHED: 2004, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 503, ISSUE: 2
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TITLE: Electrochemical behaviour of first row transition metal substituted polyoxotungstates: A comparative study in acetonitrile Full Text
AUTHORS: Balula, MS ; Gamelas, JA ; Carapuca, HM; Cavaleiro, AMV ; Schlindwein, W;
PUBLISHED: 2004, SOURCE: EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, VOLUME: 2004, ISSUE: 3
AUTHORS: Balula, MS ; Gamelas, JA ; Carapuca, HM; Cavaleiro, AMV ; Schlindwein, W;
PUBLISHED: 2004, SOURCE: EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, VOLUME: 2004, ISSUE: 3