In press

2019

I. M. Valente, A. R. J. Cabrita, N. Malushi, H. M. Oliveira, L. Papa, J. A. Rodrigues, A. J. M. Fonseca, M. R. G. Maia; Unravelling the phytonutrients and antioxidant properties of European Vicia faba L. seeds; Food Research International, 116 (2019) 888-896
doi: 10.1016/j.foodres.2018.09.025

J. G. Pacheco, P. Rebelo, F. Cagide, L. M. Gonçalves, F. Borges, J. A. Rodrigues and C. Delerue-Matos; Electrochemical sensing of the thyroid hormone thyronamine (T0AM) via molecular imprinted polymers (MIPs); Talanta, 194 (2019) 689-696
doi: 10.1016/j.talanta.2018.10.090

J. A. Custodio-Mendoza, A. M. Carro, M. A. Lage-Yusty, A. Herrero, I. M. Valente, J. A. Rodrigues, R. A. Lorenzo; Occurrence and exposure of 3-monochloropropanediol diesters in edible oils and oil-based foodstuffs from the Spanish market; Food Chemistry, 270 (2019) 214-222
doi: 10.1016/j.foodchem.2018.07.100

2018

D. O. Carvalho, A. Paulu, P. Dostálek, L. F. Guido; Measurement of catechin-7-O-glucoside from barley to malt; Journal of the Institute of Brewing, 124 (2018) 359-364
doi: 10.1002/jib.530

D. O. Carvalho, J. Freitas, P. Nogueira, S. N. Henriques, A. M. Carmo, M. A. Castro, L. F. Guido; Xanthohumol inhibits cell proliferation and induces apoptosis in human thyroid cells; Food and Chemical Toxicology, 121 (2018) 450-457
doi: 10.1016/j.fct.2018.09.021

P. F. Brandão, R. M. Ramos and J. A. Rodrigues; GDME based methodology for the determination of free formaldehyde in cosmetics and hygiene products containing formaldehyde releasers; Analytical and Bioanalytical Chemistry, 410 (2018) 6873-6880
doi: 10.1007/s00216-018-1287-0

M. B. T. Sousa, J. R. Santos, P. J. Almeida and J. A. Rodrigues; Low pressure ion pair chromatography with amperometric detection for the determination of trigonelline in coffee samples; Food Research International, 114 (2018) 223-229
doi: 10.1016/j.foodres.2018.07.068

Š. Skalová, L. M. Gonçalves, T. Navrátil, J. Barek, J. A. Rodrigues and Vlastimil Vyskočil; Miniaturized voltammetric cell for cathodic voltammetry making use of an agar membrane; Journal of Electroanalytical Chemistry, 821 (2018) 47-52
doi: 10.1016/j.jelechem.2017.12.073

I. M. Valente, M. R. G. Maia, N. Malushi, H. M. Oliveira, L. Papa, J. A. Rodrigues, A. J. M. Fonseca, A. R. J. Cabrita; Profiling of phenolic compounds and antioxidant properties of European varieties and cultivars of Vicia faba L. pods; Phytochemistry, 152 (2018) 223-229
doi: 10.1016/j.phytochem.2018.05.011

I. M. Ferreira, L. F. Guido; Impact of wort amino acids on beer flavour: a review; Fermentation, (2018), 4, 23
doi: 10.3390/fermentation4020023

L. F. de Lima, P. F. Brandão, T. A. Donegatti, R. M. Ramos, L. M. Gonçalves, A. A. Cardoso, E. A. Pereira, J. A. Rodrigues; 4-hydrazinobenzoic acid as a derivatizing agent for aldehyde analysis by HPLC-UV and CE-DAD; Talanta, 187 (2018) 113-119
doi: 10.1016/j.talanta.2018.04.091

J. A. Custodio-Mendoza, R. A. Lorenzo, I. M. Valente, P. J. Almeida, M. A. Lage, J. A. Rodrigues, A. M. Carro; Development of a partitioned liquid-liquid extraction- dispersive solid phase extraction procedure followed by liquid chromatography-tandem mass spectrometry for analysis of 3-monochloropropane-1,2-diol diesters in edible oils; Journal of Chromatography A, 1548 (2018) 19-26
doi: 10.1016/j.chroma.2018.03.017

M. P. Moraes, L. M. Gonçalves and E. A. Pereira; Determination of glyphosate and aminomethylphosphonic acid by capillary electrophoresis with indirect detection using pyridine-2,6-dicarboxylic acid or 3,5-dinitrobenzoic acid; International Journal of Environmental Analytical Chemistry, 98 (2018) 258-270
doi: 10.1080/03067319.2018.1446528

R. A. S. Couto, L. M. Gonçalves, F. Carvalho, J. A. Rodrigues, C. M. P. Rodrigues and M. B. Quinaz; The analytical challenge in the determination of cathinones, key-players in the worldwide phenomenon of novel psychoactive substances; Critical Reviews in Analytical Chemistry, 48 (2018) 372-390
doi: 10.1080/10408347.2018.1439724

E. C. Figueira, M. R. S. Ruy, A. Wong, L. M. Gonçalves and M. P. T. Sotomayor; Determination of metribuzin with a cobalt phthalocyanine - modified carbon paste electrode; Analytical Letters, 51 (2018) 1694-1704
doi: 10.1080/00032719.2017.1389950

L. Cordeiro, I. M. Valente, J. R. Santos and J. A. Rodrigues; Qualitative carbonyl profile in coffee beans through GDME-HPLC-DAD-MS/MS for coffee preliminary characterization; Food Research International, 107 (2018) 536-543
doi: 10.1016/j.foodres.2018.02.072

G. A. Ruiz-Córdova⁠, S. Khan⁠, L. M. Gonçalves⁠, M. I. Pividori⁠, G. Picasso⁠ and M. P. T. Sotomayor; Electrochemical sensing using magnetic molecularly imprinted polymer particles previously captured by a magneto-sensor; Talanta, 181 (2018) 19-23
doi: 10.1016/j.talanta.2017.12.085

S. Khan, S. Hussain, A. Wong, M. V. Foguel, L. M. Gonçalves, M. I. P. Gurgo and M. P. T. Sotomayor; Synthesis and characterization of magnetic-molecularly imprinted polymers for the HPLC-UV analysis of ametryn; Reactive and Functional Polymers, 122 (2018) 175-182
doi: 10.​1016/​j.​reactfunctpolym.​2017.​11.​002

A. N. Baeza-Fonte, I. Garcés-Lobo, M. D. Luaces-Alberto, L. M. Gonçalves, M. D .P. T. Sotomayor and A. C. Valdés-González;Determination of cephalosporins by UHPLC-DAD using molecularly imprinted polymers; Journal of Chromatographic Science, 56 (2018) 187-193
doi: 10.1093/chromsci/bmx099

J. F. Fundo, F. A. Miller, E. Garcia, J. R. Santos, C. L. M. Silva and T. R. S. Brandão; Physicochemical characteristics, bioactive compounds and antioxidant activity in juice, pulp, peel and seeds of Cantaloupe melon; Journal of Food Measurement and Characterization, 12 (2018) 292-300
doi: 10.1007/s11694-017-9640-0

T. A. Catelani, J. R. Santos, R. N. M. J. Páscoa, L. Pezza, H. R. Pezza, J. A. Lopes; Real-time monitoring of a coffee roasting process with near infrared spectroscopy using multivariate statistical analysis: a feasibility study; Talanta, 179 (2018) 292-299
doi: 10.1016/j.talanta.2017.11.010

2017

L. F. Guido, M. M. Moreira; Techniques for extraction of brewer’s spent grain polyphenols: a review; Food and Bioprocess Technology, 10 (2017) 1192-1209
doi: 10.1007/s11947-017-1913-4

M. M. Moreira, D. O. Carvalho, R. Oliveira, B. Johansson and L. F. Guido; Brewer’s spent grains protects against oxidative DNA damage in Saccharomyces cerevisiae; Journal of Agricultural Science, 9 (2017) 12-21
doi: 10.5539/jas.v9n7p12

L. M. Gonçalves, I. M. Valente and J. A. Rodrigues; Recent advances in membrane aided extraction and separation for analytical purposes; Separation & Purification Reviews, 46 (2017) 179-194
doi: 10.1080/15422119.2016.1235050

I. M. Valente, M. M. Moreira, P. Neves, T. da Fé, L. M. Gonçalves, P. J. Almeida and J. A. Rodrigues; An insight on salting-out assisted liquid-liquid extraction for phytoanalysis; Phytochemical Analysis, 28 (2017) 297-304
doi: 10.1002/pca.2676

R. M. Ramos, P. F. Brandão, L. M. Gonçalves, V. Vyskočil and J. A. Rodrigues; Electrochemical sensing of total sulphites in beer using non-modified screen-printed carbon electrodes; Journal of the Institute of Brewing, 123 (2017) 45-48
doi: 10.1002/jib.402

T. A. Donegatti, L. M. Gonçalves and E. A. Pereira; Derivatizing assay for the determination of aldehydes using micellar electrokinetic chromatography; Electrophoresis, 38 (2017) 1068-1074
doi: 10.1002/elps.201600483

R. M. Ramos, L. M. Gonçalves, V. Vyskočil and J. A. Rodrigues; Voltammetric determination of trace amounts of diacetyl at a mercury meniscus modified silver solid amalgam electrode following gas-diffusion microextraction; Talanta, 169 (2017) 203-208
doi: 10.1016/j.talanta.2017.03.077

P. F. Brandão, R. M. Ramos, I. M. Valente, P. J. Almeida, A. M. Carro, R. A. Lorenzo and J. A. Rodrigues; Gas-diffusion microextraction coupled with spectrophotometry for the determination of formaldehyde in cork agglomerates; Analytical and Bioanalytical Chemistry, 409 (2017) 2885-2892
doi: 10.1007/s00216-017-0233-x

I. M. Valente, H. M. Oliveira, C. D. Vaz, R, M. Ramos, A. J. M. Fonseca, A. R. J. Cabrita and J. A. Rodrigues; Determination of ammonia nitrogen in solid and liquid high-complex matrices using one-step gas-diffusion microextraction and fluorimetric detection; Talanta, 167 (2017) 747-753
doi: 10.1016/j.talanta.2017.01.091

T. A. Catelani, R. N. M. J. Páscoa, J. R. Santos, L. Pezza, H. R. Pezza, J. L. F. C. Lima, J. A. Lopes; A Non-invasive Real-Time Methodology for the Quantification of Antioxidant Properties in Coffee During the Roasting Process Based on Near-Infrared Spectroscopy; Food and Bioprocess Technology, 10 (2017) 630-638
doi: 10.1007/s11947-016-1843-6

A. L. dos Santos, E. A. Batista, L. M. Gonçalves and M. P. T. Sotomayor; Modified carbon paste electrode for the electrochemical sensing of 3,5,6-trichloro-2-pyridinol; International Journal of Environmental Analytical Chemistry, 97 (2017) 159-167
doi: 10.1080/03067319.2017.1291809

P. F. Brandão, R. M. Ramos, P. J. Almeida and J. A. Rodrigues; Determination of carbonyl compounds in cork agglomerates by GDME-HPLC/UV: Identification of the extracted compounds by HPLC-MS/MS; Journal of Agricultural and Food Chemistry, 65 (2017) 1037-1042
doi: 10.1021/acs.jafc.6b05370

R. A. S. Couto, L. M. Gonçalves, M. S. Góes, C. M. P. Rodrigues, M. B. Quinaz and J. A. Rodrigues; SAM-based immunosensor for the analysis of thyroxine (T4); Journal of the Electrochemical Society, 164 (2017) B103-B106
doi: 10.1149/2.0561704jes

B. C. Huayhuas-Chipana, M. V. Foguel, L. M. Gonçalves and M. P. T. Sotomayor; Modified screen-printed electrode for the FIA-amperometric determination of 2-nitro-p-phenylenediamine; Microchemical Journal, 131 (2017) 92-97
doi: 10.1016/j.microc.2016.11.020

2016

I. M. Valente and J. A. Rodrigues; Determination of α-dicarbonyls in wines using salting-out assisted liquid–liquid extraction; LC GC, 34 (2016) 32-37
link

I. Carqueijeiro, A. L. Guimarães, S. Bettencourt, T. Martínez-Cortés, J. G. Guedes, R. Gardner, T. Lopes, C. Andrade, C. Bispo, N. P. Martins, P. Andrade, P. Valentão, I. M. Valente, J. A. Rodrigues, P. Duarte, M. Sottomayor; Isolation of cells specialized in anticancer alkaloid metabolism by fluorescence activated cell sorting; Plant Physiology, 171 (2016) 2371-2378
doi: 10.​1104/​pp.​16.​01028

D. O. Carvalho, L. M. Gonçalves and L. F. Guido; Overall antioxidant properties of malt and how they are influenced by the individual constituents of barley and the malting process; Comprehensive Reviews in Food Science and Food Safety, 15 (2016) 927-943
doi: 10.1111/1541-4337.12218

D. O. Carvalho, L. H. Øgendal, M. L. Andersen and L. F. Guido; High molecular weight compounds generated by roasting barley malt are pro-oxidants in metal-catalyzed oxidations; European Food Research and Technology, 242 (2016) 1545-1553
doi: 10.1007/s00217-016-2655-7

K. Ngamchuea , C. Batchelor-McAuley, P. J. Cowen, C. Williams, L. M. Gonçalves and R. G. Compton; Can saliva testing replace blood measurements for health monitoring? Insights from a correlation study of salivary and whole blood glutathione in humans; Analyst, 141 (2016) 4707-4712
doi: 10.1039/C6AN01139J

A. P. Carvalho, M. Mendes, M. M. Moreira, D. Cruz, J. M. C. S. Magalhães, M. F. Barroso, M. J. Ramalhosa, A. Duarte, L. F. Guido, A. M. Gomes and C. Delerue-Matos; Microwave-assisted extraction in goji berries: effect oncomposition and bioactivity, evaluated through conventional andnonconventional methodologies; International Journal of Food Science and Technology, 51 (2016) 1401-1408
doi: 10.1111/ijfs.13105

L. M. Gonçalves and A. Tosoni; Sudden onset of Cotard’s syndrome as a clinical sign of brain tumor; Archives of Clinical Psychiatry, 43 (2016) 35-6
doi: 10.1590/0101-60830000000080

W. C. Ribeiro, L. M. Gonçalves, S. Liebana, I. Pividori and P. R. Bueno; Molecular conductance of double-stranded DNA evaluated by electrochemical capacitance spectroscopy; Nanoscale, 8 (2016), 8931-8938
doi: 10.1039/C6NR01076H

H. Wu, Q. Lin, C. Batchelor-McAuley, L. M. Gonçalves, C. F. R. A. C. Lima, and R. G. Compton; Stochastic Detection and Characterisation of Individual Ferrocene Derivative Tagged Graphene Nanoplatelets; Analyst, 141 (2016), 2696-2703
doi: 10.1039/C5AN02550H

L. F. Guido; Sulfites in beer: reviewing regulation, analysis and role; Scientia Agricola, 73 (2016) 189-197
doi: 10.1590/0103-9016-2015-0290

D. O. Carvalho, R. Oliveira, B. Johansson and L. F. Guido; Dose-Dependent Protective and Inductive Effects of Xanthohumol on Oxidative DNA Damage in Saccharomyces cerevisiae; Food Technology and Biotechnology, 54 (2016) 60-69
doi: 10.17113/ftb.54.01.16.4256

M. Mendes, A. P. Carvalho, J. M. C. S. Magalhães, M. M. Moreira, L. F. Guido, A. M. Gomes and C. Delerue-Matos; Response surface evaluation of microwave-assisted extraction conditions for Lycium barbarum bioactive compounds; Innovative Food Science & Emerging Technologies, 33 (2016) 319-326
doi: 10.1016/j.ifset.2015.12.025

D. O. Carvalho, M. L. Andersen and L. F. Guido; Implications of Xanthohumol Enrichment on the Oxidative Stability of Pale and Dark Beers; American Society of Brewing Chemists,74 (2016) 24-29
doi: 10.1094/ASBCJ-2016-1209-01

M. Yang, C. Batchelor-McAuley, L. M. Gonçalves, C. F. R. A. C. Lima, V. Vyskočil, K. Tschulik and R. G. Compton; Ferrocene aryl derivatives for the redox tagging of graphene nanoplatelets; Electroanalysis, 28 (2016) 197-202
doi: 10.1002/elan.201500590

R. M. Ramos, L. M. Gonçalves, V. Vyskočil, and J. A. Rodrigues; Free sulphite determination in wine using screen-printed carbon electrodes with prior gas-diffusion microextraction; Electrochemistry Communications, 63 (2016) 52-55
doi: 10.1016/j.elecom.2015.12.010

2015

S. M. Marques, A. Santos, L. M. Gonçalves, J. C. Sousa and P. R. Bueno; Sensitive label-free electron chemical capacitive transducer signal for D-dimer electroanalyses; Electrochimica Acta, 182 (2015) 946-952
doi: 10.1016/j.electacta.2015.09.169

I. M. Valente and J. A. Rodrigues; Recent advances in salt-assisted LLE for analyzing biological samples; Bioanalysis, 7 (2015) 2187-2193
doi: 10.4155/bio.15.142

L. F. Guido, D. O. Carvalho, J. Taborsky, J. Skopalova, H. M. E. B. Saldanha and P. Bednar; Study of electrochemical oxidation of xanthohumol by ultra-performance liquid chromatography coupled to high resolution tandem mass spectrometry and ion mobility mass spectrometry; Chromatographia, 78 (2015) 1233-1243
doi: 10.1007/s10337-015-2954-3

C. F. R. A. C. Lima, A. M. Fernandes, A. Melo, L. M. Gonçalves, A. Silva and L. B. Santos; Diarylferrocene tweezers for cation binding; Physical Chemistry Chemical Physics, 17 (2015) 23917-23923
doi: 10.1039/C5CP04530D

D. O. Carvalho, A. F. Curto and L. F. Guido; Determination of phenolic content in different barley varieties and corresponding malts by liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry; Antioxidants, 4 (2015) 563-576
doi: 10.3390/antiox4030563

P. T. Lee, L. M. Gonçalves and R. G. Compton; Electrochemical determination of free and total glutathione in human saliva samples; Sensors and Actuators B: Chemical, 221 (2015) 962-968
doi: 10.1016/j.snb.2015.07.050

S. M. Marques, L. M. Gonçalves and J. C. G. E. da Silva; An optimized firefly Luciferase bioluminescent assay for the analysis of free fatty acids; Photochemistry and Photobiology, 91 (2015) 980-984
doi: 10.1111/php.12458

A. F. Vinha, L. F. Guido, A. S. G. Costa, R. C. Alves and M. B. P. P. Oliveira; Monomeric and oligomeric flavan-3-ols and antioxidant activity of leaves from different Laurus sp.; Food & Function, 6 (2015) 1944-1949
doi: 10.1039/c5fo00229j

R. C. Ferreira, R. M. Ramos, L. M. Gonçalves, P. J. Almeida and J. A Rodrigues; Application of gas-diffusion microextraction to solid samples using the chromatographic determination of α-diketones in bread as a case study; Analyst, 140 (2015) 3648-3653
doi: 10.1039/C5AN00196J

T. M. Prado, M. V. Foguel, L. M. Gonçalves and M. P. T. Sotomayor; β-lactamase-based biosensor for the electrochemical determination of benzylpenicillin in milk; Sensors and Actuators B: Chemical, 210 (2015) 254-258
doi: 10.1016/j.snb.2014.12.108

H. Cortes, V. Edgar, R. Suárez, J. Castillo, L. M. Gonçalves and P. R. Bueno; Pitahaya aging diagnostic by impedance/capacitance spectroscopy; Food Analytical Methods, 8 (2015) 126-129
doi: 10.1007/s12161-014-9878-7

2014

J. R. Carneiro, P. J. Almeida, M. D. L. Lopes; Some synergisms in the laboratory degradation of a polypropylene geotextile; Construction and Building Materials, 73 (2014) 586-591
doi: 10.1016/j.conbuildmat.2014.10.001

L. M. Gonçalves, M. M. Moreira, C. F. Azevedo, I. M. Valente, J. C. Sousa,. S. Scanlan, R. G. Compton, J. A. Rodrigues; Proof of Concept of the Electrochemical Sensing of 3-iodothyronamine (T1AM) and Thyronamine (T0AM); ChemElectroChem, 1 (2014) 1623-1626
doi: 10.1002/celc.201402165

I. M. Valente, R. M. Ramos, L. M. Gonçalves and J. A. Rodrigues; Determination of ethyl carbamate in spirits using salting-out assisted liquid-liquid extraction and high performance liquid chromatography with fluorimetric detection; Analytical Methods, 6 (2014) 9136-9141
doi: 10.1039/C4AY02075H

A. S. Silva, C. Nunes, M. A. Coimbra and L. F. Guido; Composition of pectic polysaccharides in a Portuguese apple (Malus domestica Borkh. cv Bravo de Esmolfe); Scientia Agricola, 71 (2014) 331-336
doi: 10.1590/0103-9016-2013-0333

L. M. Gonçalves, I. M. Valente and J. A. Rodrigues; An overview on cardamonin; Journal of Medicinal Food, 17 (2014) 633-640
doi: 10.1089/jmf.2013.0061

C. M. Santos, B. L. Gomes, L. M. Gonçalves, J. Oliveira, S. Rocha, M. Coelho, J. A. Rodrigues, V. Freitas and H. Aguilar; Pyranoflavylium derivatives extracted from wine grape as photosensitizers in solar cells; Journal of the Brazilian Chemical Society, 25 (2014) 1029-1035
doi: 10.5935/0103-5053.20140075

D. O. Carvalho, E. Correia, L. Lopes and L. F. Guido; Further insights into the role of melanoidins on the antioxidant potential of barley malt; Food Chemistry, 160 (2014) 127-133
doi: 10.1016/j.foodchem.2014.03.074

R. M. Ramos, I. M. Valente and J. A. Rodrigues; Analysis of biogenic amines in wines by salting-out assisted liquid-liquid extraction and high performance liquid chromatography with fluorimetric detection; Talanta, 124 (2014) 146-151
doi: 10.1016/j.talanta.2014.02.026

C. A. Ribeiro, S. M. Oliveira, L. F. Guido, A. Magalhães, G. Valencia, G. Arsequell, M. J. Saraiva and I. Cardoso; Transthyretin stabilization by iododiflunisal promotes amyloid-β peptide clearance, decreases its deposition, and ameliorates cognitive deficits in an Alzheimer's disease mouse model; Journal of Alzheimer's Disease, 39 (2014) 357-370
doi: 10.3233/JAD-131355

L. M. Gonçalves, W. F. A. M. Callera, M. P. D. T. Sotomayor and P. R. Bueno; Penicillinase-based amperometric biosensor for penicillin G; Electrochemistry Communications, 38 (2014) 131-133
doi: 10.1016/j.elecom.2013.11.022


2013

L. M. Gonçalves and J. A. Rodrigues; Special Issue dedicated to the XVIII Meeting of the Portuguese Electrochemical Society – A glimpse into the electrochemical research in Portugal; Portugaliae Electrochimica Acta , 31 (2013) 289-290
doi: 10.4152/pea.201306289

R. Costa, R. Negrão, I. M. Valente, A. Castela, D. Duarte, L. Guardão, P. J. Magalhães, J. A. Rodrigues, J. T. Guimarães, P. Gomes and R. Soares; Xanthohumol modulates inflammation, oxidative stress and angiogenesis in type 1 diabetic rat skin wound healing; Journal of Natural Products, 76 (2013) 2047-2053
doi: 10.1021/np4002898

P. J. Magalhães, L. M. Gonçalves, L. F. Guido, V. Mrsa, T. Kinl, T. Brányk and P. Dostálek; Effect of xanthohumol on brewing yeast cells; Acta Horticulturae, 1010 (2013) 233-238
web

C. M. Santos, I. M. Valente, L. M. Gonçalves and J. A. Rodrigues; Chromatographic analysis of methylglyoxal and other a-dicarbonyls using gas-diffusion microextraction; Analyst, 138 (2013) 7233-7237
doi: 10.1039/C3AN00766A

I. M. Valente, L. M. Gonçalves and J. A. Rodrigues; Another glimpse over the salting-out assisted liquid-liquid extraction in acetonitrile/water mixtures; Journal of Chromatography A, 1308 (2013) 58-62
doi: 10.1016/j.chroma.2013.08.014

M. M. Moreira, S. Morais, D. O. Carvalho, A. A. Barros, C. Delerue-Matos and L. F. Guido; Brewer's spent grain from different types of malt: Evaluation of the antioxidant activity and identification of the major phenolic compounds; Food Research International, 54 (2013) 382–388
doi: 10.1016/j.foodres.2013.07.023

A. S. Silva, I. M. Valente, C. Nunes, M. A. Coimbra and L. F. Guido; Determination of Aldoses, Deoxy-aldoses and Uronic Acids Content in a Pectin-Rich Extract by RP-HPLC-FLD after p-AMBA; Chromatographia, 76 (2013) 1117-1124
doi: 10.1007/s10337-013-2510-y

J. G. Silva, E. M. Tavares, L. M. Gonçalves, I. M. Valente, D. O. Carvalho and José A. Rodrigues; Voltammetric analysis of licochalcone A in licorice; Journal of the Electrochemical Society, 160 (2013) H671-3
doi: 10.1149/2.020310jes

T. I. S. Oliveira, M. Oliveira, S. Viswanathan, M. F. Barroso, L. Barreiros, O. C. Nunes, J. A. Rodrigues, P. Lima-Neto, S. E. Mazzetto, S. Morais and C. Delerue-Matos; Molinate quantification in environmental waters by a Glutathione-S-transferase based biosensor; Talanta, 106 (2013) 249-254
doi: 10.1016/j.talanta.2012.10.074

J. R. Carneiro, P. J. Almeida, M. L. Lopes; Resistance of Polyethylene Geonets against Thermo-Oxidationo; Materials Science Forum, 480 (2013) 480-485
doi: 10.4028/www.scientific.net/MSF.730-732.480


E. M. Tavares, A. M. Carvalho, L. M. Gonçalves, I. M. Valente, M. M. Moreira, L. F. Guido, J. A. Rodrigues, T. Doneux and A. A Barros; Chemical sensing of chalcones by voltammetry: trans-chalcone, cardamonin and xanthohumol; Electrochimica Acta , 90 (2013) 440-444
doi: 10.1016/j.electacta.2012.12.040

P. R. Bueno, L. M. Gonçalves, F. C. dos Santos, M. L. dos Santos, A. A. Barros and R. C. Faria; Electrogravimetric analysis by quartz-crystal microbalance on the consumption of the
neurotransmitter Acetylcholine by Acetylcholinesterase
; Analytical Letters, 46 (2013) 258-265
doi: 10.1080/00032719.2012.713065

I. M. Valente, C. M. Santos, M. M. Moreira and J. A. Rodrigues; New application of the QuEChERS methodology for the determination of volatile phenols in beverages by liquid chromatography; Journal of Chromatography A, 1271 (2013) 27-32
doi: 10.1016/j.chroma.2012.11.026


2012


I. M. Valente, C. M. Santos, L. M. Gonçalves, J. A. Rodrigues and A. A. Barros; Application of gas-diffusion microextraction for high-performance liquid chromatographic analysis of aliphatic amines in fermented beverages; Analytical Methods, 4 (2012) 2569-2573
doi: 10.1039/c2ay25272d

A. M. Carvalho, L. M. Gonçalves, I. M. Valente, J. A. Rodrigues and A. A. Barros; Analysis of cardamonin by square wave voltammetry; Phytochemical Analysis, 23 (2012) 396-399
doi: 10.1002/pca.1370

M. M. Moreira, S. Morais, A. A. Barros, C. Delerue-Matos and L. F. Guido; A novel application of microwave-assisted extraction of polyphenols from brewer’s spent grain with HPLC-DAD-MS analysis, Analytical and Bioanalytical Chemistry, 403 (2012) 1019-1029
doi: 10.1007/s00216-011-5703-y

M. P. Cruz, I. M. Valente, L. M. Gonçalves, J. A. Rodrigues and A. A. Barros; Application of gas-diffusion microextraction to the analysis of free and bound acetaldehyde in wines by HPLC–UV and characterization of the extracted compounds by MS/MS detection, Analytical and Bioanalytical Chemistry, 403 (2012) 1031-1037
doi: 10.1007/s00216-011-5664-1

R. M. Ramos, J. G. Pacheco, L. M. Gonçalves, I. M. Valente, J. A. Rodrigues and A. A. Barros; Determination of free and total diacetyl in wine by HPLC-UV using gas-diffusion microextraction and pre-column derivation; Food Control, 24 (2012) 220-224
doi: 10.1016/j.foodcont.2011.07.017


2011

P. J. Magalhães, A. B. Carvalho, L. M. Gonçalves, J. G. Pacheco, L. F. Guido, T. Brányik, P. G. Rodrigues, G. Kuncová, P. Dostálek and A. A. Barros; The impact of Xanthohumol on a Brewing Yeast's Viability, Vitality and Metabolite Formation; Journal of the Institute of Brewing, 117 (2011) 368-376
doi: 10.1002/j.2050-0416.2011.tb00481.x

F. Queirós, J. A. Rodrigues, J. M. Almeida, D. P .F. Almeida, F. Fidalgo; Differential responses of the antioxidant defence system and ultrastructure in a salt-adapted potato cell line; Plant Physiology and Biochemistry, 49 (2011) 1410-1419
doi: 10.1016/j.plaphy.2011.09.020

F. C. dos Santos, L. M. Gonçalves, C. S. Riccardi, A. A. Barros and P. R. Bueno; Quartz-crystal microbalance as a tool for kinetic enzymatic assays by variation of pH; Analytical Biochemistry, 418 (2011) 152-154
doi: 10.1016/j.ab.2011.06.011

P. G. Rodrigues, L. M. Gonçalves, P. J. Magalhães, J. G. Pacheco, J. A. Rodrigues and A. A. Barros; Voltammetric analysis of metallothioneins and copper (II) in fish for water biomonitoring studies; Environmental Chemistry Letters, 9 (2011) 405-410
doi: 10.1007/s10311-010-0293-z

J. A. Rodrigues, C. M. Rodrigues, P. J. Almeida, I. M. Valente, L. M. Gonçalves, R. G. Compton and A. A. Barros; Increased sensitivity of anodic stripping voltammetry at the hanging mercury drop electrode by ultracathodic deposition; Analytica Chimica Acta, 701 (2011) 152-156
doi: 10.1016/j.aca.2011.05.031

M. M. Moreira, A. M. Carvalho, I. M. Valente, L. M. Gonçalves, J. A. Rodrigues, A. A. Barros and L. F. Guido; Novel application of square-wave adsorptive-stripping voltammetry for the determination of xanthohumol in spent hops; Journal of Agricultural and Food Chemistry, 59 (2011) 7654-7658
doi: 10.1021/jf2011485

L. Xiong, C. Batchelor-McAuley, L. M. Gonçalves, J. A. Rodrigues and R. G. Compton; The indirect electrochemical detection and quantification of DNA through its co-adsorption with anthraquinone monosulphonate on graphitic and multi-walled carbon nanotube screen printed electrodes; Biosensors and Bioelectronics, 26 (2011) 4198-4203
doi: 10.1016/j.bios.2011.04.039

P. Montenegro, I. M. Valente, L. M. Gonçalves, J. A. Rodrigues and A. A. Barros; Single determination of α-ketoglutaric acid and pyruvic acid in beer by HPLC with UV detection; Analytical Methods, 3 (2011) 1207-1212
doi: 10.1039/C0AY00669F

I. M. Valente, J. R. Carneiro, P. J. Almeida and M. L Lopes; Determination of Chimassorb 944 in polypropylene geotextiles by HPLC-UV; Analytical Letters, 44 (2011) 617-625
doi: 10.1080/00032711003783093

J. R. Carneiro, P. J. Almeida and M. L Lopes; Accelerated weathering of polypropylene geotextiles; Science and Engineering of Composite Materials, 18 (2011) 241-245
doi: 10.1515/secm.2011.047

L. M. Gonçalves, C. Batchelor-McAuley, L. Xiong, A. A. Barros and R. G. Compton; The voltammetric responses of high and low molecular weight DNA on a variety of carbon substrates; demonstrating the benefits of graphitic surfaces; Electroanalysis, 23 (2011) 583-587
doi: 10.1002/elan.201000637

P. J. Magalhães, S. M. Almeida, A. M. Carvalho, L. M. Gonçalves, J. G. Pacheco, J. M. Cruz, L. F. Guido and A. A. Barros; Influence of malt on the xanthohumol and isoxanthohumol behavior in pale and dark beers: A micro-scale approach; Food Research International, 44 (2011) 351-359
doi: 10.1016/j.foodres.2010.10.008


2010

C. Batchelor-McAuley, L. M. Gonçalves, L. Xiong, A. A. Barros and R. G. Compton; Controlling voltammetric responses by electrode modification; using adsorbed acetone to switch graphite surfaces between adsorptive and diffusive modes; Chemical Communications, 46 (2010) 9037-9039
doi: 10.1039/c0cc03961f


J. G. Pacheco, I. M. Valente, L. M. Gonçalves, J. A. Rodrigues and A. A. Barros; Gas-diffusion microextraction; Journal of Separation Science, 33 (2010) 3207–3212
doi: 10.1002/jssc.201000351


M. M. Moreira, L. F Guido, J. M. Cruz and A. A. Barros; Determination of galacturonic acid content in pectin from fruit juices by liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry; Central European Journal of Chemistry, 8 (2010) 1236-1243
doi: 10.2478/s11532-010-0101-4

L. M. Gonçalves, C. Batchelor-Mcauley, A. A. Barros and R. G. Compton; Electrochemical oxidation of adenine: A mixed adsorption and diffusion response on an edge-plane pyrolytic graphite electrode; Journal of Physical Chemistry C, 114 (2010) 14213-14219
doi: 10.1021/jp1046672

L. M. Gonçalves, P. J. Magalhães, I. M. Valente, J. G. Pacheco, P. Dostálek, D. Sýkora, J. A. Rodrigues and A. A. Barros; Analysis of aldehydes in beer by gas-diffusion microextraction: Characterization by high-performance liquid chromatography-diode-array detection-atmospheric pressure chemical ionization-mass spectrometry; Journal of Chromatography A, 1217 (2010) 3717-3722

doi: 10.1016/j.chroma.2010.04.002

J. A. Rodrigues, I. M. Valente, L. M. Gonçalves, J. G. Pacheco and A. A. Barros; Polarographic determination of vitamin C after derivatization with o-phenylenediamine; Collection of Czechoslovak Chemical Communications, 75 (2010) 731-741
doi: 10.1135/cccc2010026

L. M. Gonçalves, M. F. Da Anunciação, I. M. Valente, J. G. Pacheco, J. A. Rodrigues and A. A. Barros; Use of a membraneless extraction module for the voltammetric determination of total sulfites in wine; Collection of Czechoslovak Chemical Communications, 75 (2010) 721-730
doi: 10.1135/cccc2009558

P. J. Magalhães, J. S. Vieira, L. M. Gonçalves, J. G. Pacheco, L. F. Guido and A. A. Barros; Isolation of phenolic compounds from hop extracts using polyvinylpolypyrrolidone: Characterization by high-performance liquid chromatography-diode array detection-electrospray tandem mass spectrometry; Journal of Chromatography A, 1217 (2010) 3258-3268

doi: 10.1016/j.chroma.2009.10.068

L. M. Gonçalves, J. G. Pacheco, P. J. Magalhães, J. A. Rodrigues and A. A. Barros; Determination of free and total sulfites in wine using an automatic flow injection analysis system with voltammetric detection; Food Additives and Contaminants - Part A Chemistry, Analysis, Control, Exposure and Risk Assessment, 27 (2010) 175-180
doi: 10.1080/19440040903261547

J. G. Pacheco, I. M. Valente, L. M. Gonçalves, P. J. Magalhães, J. A. Rodrigues and A. A. Barros; Development of a membraneless extraction module for the extraction of volatile compounds: Application in the chromatographic analysis of vicinal diketones in beer; Talanta, 81 (2010) 372-376
doi: 10.1016/j.talanta.2009.12.011

F. J. P. Silva, M. H. Gomes, F. Fidalgo, J. A. Rodrigues and D. P. F. Almeida; Antioxidant properties and fruit quality during long-term storage conditions of "Rocha" pear: effects of maturity and storage conditions; Journal of Food Quality, 33 (2010) 1-20
doi: 10.1111/j.1745-4557.2009.00289.x

P. J. Magalhães, D. O. Carvalho, J. M. Cruz, L. F. Guido and A. A. Barros; Aspectos esenciales y beneficios para la salud del xanthohumol, un producto natural derivado del lúpulo y la cerveza (parte I); Cerveza y Malte, 187 (2010) 41-48
web

P. J. Magalhães, D. O. Carvalho, J. M. Cruz, L. F. Guido and A. A. Barros; Aspectos esenciales y beneficios para la salud del xanthohumol, un producto natural derivado del lúpulo y la cerveza (parte II); Cerveza y Malte, 188 (2010) 41-51
web


2009

P. J. Magalhães, D. O. Carvalho, J. M. Cruz, L. F. Guido and A. A. Barros; Fundamentals and health benefits of xanthohumol, a natural product derived from hops and beer; Natural Product Communications, 4 (2009) 591-610
web

L. F. Guido; ¿Cómo ayudan los sulfitos a controlar el envejecimiento de la cerveza?; Cerveza y Malte, 183 (2009) 33-39
web


2008

M. Dvořáková, L. F. Guido, P. Dostálek, Z. Skulilová, M. M. Moreira and A. A. Barros; Antioxidant properties of free, soluble ester and insoluble-bound phenolic compounds in different barley varieties and corresponding malts; Journal of the Institute of Brewing, 114 (2008) 27-33
doi: 10.1002/j.2050-0416.2008.tb00302.x

H. P. A. Nouws, C. Delerue-Matos, A. A. Barros, E. Maesen, S. C. P. A. Moreira and M. M. P. S. Neves; Static and hydrodynamic monitoring of citalopram based on its electro-oxidation behavior at a glassy-carbon surface; Analytical Letters, 41 (2008) 2171-2185
doi: 10.1080/00032710802238069

M. Dvorakova, M. M. Moreira, P. Dostalek, Z. Skulilova, L. F. Guido and A. A. Barros; Characterization of monomeric and oligomeric flavan-3-ols from barley and malt by liquid chromatography-ultraviolet detection-electrospray ionization mass spectrometry; Journal of Chromatography A, 1189 (2008) 398-405
doi: 10.1016/j.chroma.2007.10.080

P. J. Magalhães, P. Dostalek, J. M. Cruz, L. F. Guido and A. A. Barros; The impact of a xanthohumol-enriched hop product on the behavior of xanthohumol and isoxanthohumol in pale and dark beers: A pilot scale approach; Journal of the Institute of Brewing, 114 (2008) 246-256
doi: 10.1002/j.2050-0416.2008.tb00335.x


2007

L. F. Guido, A. F. Curto, P. Boivin, N. Benismail, C. R. Gonçalves and A. A. Barros; Correlation of malt quality parameters and beer flavor stability: Multivariate analysis; Journal of Agricultural and Food Chemistry, 55 (2007) 728-733
doi: 10.1021/jf0623079

P. J. Magalhães, L. F. Guido, J. M. Cruz and A. A. Barros; Analysis of xanthohumol and isoxanthohumol in different hop products by liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry; Journal of Chromatography A, 1150 (2007) 295-301
doi: 10.1016/j.chroma.2006.08.019

P. J. Magalhães, D. O. Carvalho, L. F. Guido and A. A. Barros; Detection and quantification of provitamin D2 and vitamin D2 in hop (Humulus lupulus L.) by liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry; Journal of Agricultural and Food Chemistry, 55 (2007) 7995-8002
doi: 10.1021/jf071308d

L. F. Guido, A. Curto, P. Boivin, N. Benismail, C. Gonçalves and A. A. Barros; Predicting the organoleptic stability of beer from chemical data using multivariate analysis; European Food Research and Technology, 226 (2007) 57-62
doi: 10.1007/s00217-006-0508-5

H. P. A. Nouws, C. Delerue-Matos, A. A. Barros, J. A. Rodrigues, A. Santos-Silva and F. Borges; Square-wave adsorptive-stripping voltammetric detection in the quality control of fluoxetine; Analytical Letters, 40 (2007) 1131-1146

doi: 10.1080/00032710701297059


2006

H. P. A. Nouws, C. Delerue-Matos, A. A. Barros and J. A. Rodrigues; Electroanalytical determination of paroxetine in pharmaceuticals; Journal of Pharmaceutical and Biomedical Analysis, 42 (2006) 341-346
doi: 10.1016/j.jpba.2006.04.015

H. Nouws, C. Delerue-Matos and A. Barros; Electrochemical determination of citalopram by adsorptive stripping voltammetry-determination in pharmaceutical products; Analytical Letters, 39 (2006) 1907-1915
doi: 10.1080/00032710600721712

J. R. Carneiro, J. A. Ferreira, L. F. Guido, P. J. Almeida, J. A. Rodrigues and A. A. Barros; Determination of β-damascenone in alcoholic beverages by reversed-phase liquid chromatography with ultraviolet detection; Food Chemistry, 99 (2006) 51-56
doi: 10.1016/j.foodchem.2005.07.024

J. R. Carneiro, L. F. Guido, P. J. Almeida, J. A. Rodrigues and A. A. Barros; The impact of sulphur dioxide and oxygen on the behaviour of 2-furaldehyde in beer: an industrial approach; International Journal of Food Science and Technology, 41 (2006) 545-552
doi: 10.1111/j.1365-2621.2005.01104.x

V. S. Rodgher, N. R. Stradiotto, M. V. B. Zanoni and A. A. Barros; Electroanalysis of acetaldehyde derivatized with hydrazine and determination in fuel ethanol by square wave voltammetry | Eletroanálise de derivados acetaldeído com hidrazina e determinação em amostras de álcool combustível por voltametria de onda quadrada; Química Nova, 29 (2006) 662-665
doi: 10.1590/S0100-40422006000400007

A. A. Barros; Around Voltammetry: from Colouring Matters to Beer; Portugaliae Electrochimica Acta , 24 (2006) 137-157
doi: 10.4152/pea.200602137



2005

H. P. A. Nouws, C. Delerue-Matos, A. A. Barros and J. A. Rodrigues; Electroanalytical study of the antidepressant sertraline; Journal of Pharmaceutical and Biomedical Analysis, 39 (2005) 290-293
doi: 10.1016/j.jpba.2005.02.040

L. F. Guido, P. Boivin, N. Benismail, C. R. Gonçalves and A. A. Barros; An early development of the nonenal potential in the malting process; European Food Research and Technology, 220 (2005) 200-206
doi: 10.1007/s00217-004-1079-y

H. P. A. Nouws, C. Delerue-Matos, A. A. Barros, J. A. Rodrigues and A. Santos-Silva; Electroanalytical study of fluvoxamine; Analytical and Bioanalytical Chemistry, 382 (2005) 1662-1668

doi: 10.1007/s00216-005-3310-5


2004

L. F. Guido, P. G. Rodrigues, J. A. Rodrigues, C. R. Gonçalves and A. A. Barros; The impact of the physiological condition of the pitching yeast on beer flavour stability: An industrial approach; Food Chemistry, 87 (2004), 187-193
doi: 10.1016/j.foodchem.2003.10.033

L. F. Guido, J. R. Carneiro, J. R. Santos, P. J. Almeida, J. A. Rodrigues and A. A. Barros; Simultaneous determination of E-2-nonenal and β-damascenone in beer by reversed-phase liquid chromatography with UV detection; Journal of Chromatography A, 1032 (2004) 17-22
doi: 10.1016/j.chroma.2003.12.026

P. G. Rodrigues, A. A. Barros, J. A. Rodrigues, A. A. Ferreira, C. Gonçalves and J. R. M. Hammond; Vitaltitration: A New Method for Assessment of Yeast Vitality; Master Brewers Association of the Americas Technical Quarterly, 41 (2004) 277-281
web



2003

P. J. Almeida, J. A. Rodrigues, L. F. Guido, J. R. Santos, A. A. Barros and A. G. Fogg; Free Sulfur Dioxide in Beer as the Difference Between Total Sulfur Dioxide and Acetaldehyde: A Voltammetric Approach; Journal of the American Society of Brewing Chemists, 61 (2003) 191-195
doi: 10.1094/ASBCJ-61-0191

L. F. Guido, N. A. Fortunato, J. A. Rodrigues and A. A. Barros; Voltammetric assay for the aging of beer; Journal of Agricultural and Food Chemistry, 51 (2003) 3911-3915
doi: 10.1021/jf020895u

P. J. Almeida, J. A. Rodrigues, L. F. Guido, J. R. Santos, A. A. Barros and A. G. Fogg; Voltammetric determination of free and total sulfur dioxide in beer; Electroanalysis, 15 (2003) 587-590
doi: 10.1002/elan.200390073

J. R. Santos, J. R. Carneiro, L. F. Guido, P. J. Almeida, J. A. Rodrigues and A. A. Barros; Determination of E-2-nonenal by high-performance liquid chromatography with UV detection: Assay for the evaluation of beer ageing; Journal of Chromatography A, 985 (2003) 395-402
doi: 10.1016/S0021-9673(02)01396-1


2002

M. A. Ferreira and A. A. Barros; Determination of As(III) and arsenic(V) in natural waters by cathodic stripping voltammetry at a hanging mercury drop electrode; Analytica Chimica Acta, 459 (2002) 151-159
doi: 10.1016/S0003-2670(02)00086-7

P. G. Rodrigues, J. A. Rodrigues, A. A. Barros, R. A. S. Lapa, J. L. F. C. Lima, J. M. Machado Cruz and A. A. Ferreira; Automatic flow system with voltammetric detection for diacetyl monitoring during brewing process; Journal of Agricultural and Food Chemistry, 50 (2002) 3647-3653
doi: 10.1007/10.1021/jf011625z


2001

M. E. Themudo, A. A. Barros and M. Bastos; Application of Karl Fischer's Method to Materials that Only Release Water at High Temperatures; Portugaliae Electrochimica Acta , 19 (2001) 301-311
doi: 10.4152/pea.200103301

P. G. Rodrigues, A. C. Ribeiro, J. A. Rodrigues and A. A. Barros; Determination of Metallothioneins in Trouts by Adsorptive Stripping Voltammetry; Portugaliae Electrochimica Acta , 19 (2001) 313-323
doi: 10.4152/pea.200103313

J. A. Rodrigues, A. A. Barros, P. J. Almeida, P. G. Rodrigues and A. G. Fogg; Flow injection square wave cathodic stripping voltammetric determination at a hanging mercury drop electrode of rapidly reduced compounds: Determination of diacetyl in wine as 2,3-dimethylquinoxaline; Analytica Chimica Acta, 449 (2001) 119-127
doi: 10.1016/S0003-2670(01)01347-2


2000

A. G. Fogg, M. V. B. Zanoni, A. A. Barros, J. A. Rodrigues and B. J. Birch; Aspects of cathodic stripping voltammetry at the hanging mercury drop electrode and in non-mercury disposable sensors; Electroanalysis, 12 (2000) 1227-1232
doi: 10.1002/1521-4109(200010)12:15<1227::AID-ELAN1227>3.0.CO;2-Y


1999

A. A. Barros, J. A. Rodrigues, P. J. Almeida, P. G. Rodrigues and A. G. Fogg; Voltammetry of compounds confined at the hanging mercury drop electrode surface; Analytica Chimica Acta, 385 (1999) 315-323
doi: 10.1016/S0003-2670(98)00659-X

P. J. Almeida, J. A. Rodrigues, A. A. Barros and A. G. Fogg; Voltammetric studies of anthraquinone dyes adsorbed at a hanging mercury drop electrode using fast pulse techniques; Analytica Chimica Acta, 385 (1999) 287-293
doi: 10.1016/S0003-2670(98)00586-8

J. A. Rodrigues, A. A. Barros and P. G. Rodrigues; Differential pulse polarographic determination of α-dicarbonyl compounds in foodstuffs after derivatization with o-phenylenediamine; Journal of Agricultural and Food Chemistry, 47 (1999) 3219-3222
doi: 10.1021/jf980856b

P. J. Almeida, A. A. Barros and J. A. Rodrigues
; Determination of Guaiacol at a Carbon Paste Electrode using Cathodic Stripping Voltammetry; Portugaliae Electrochimica Acta , 17 (1999) 11-19
doi: 10.4152/pea.199901011

A. Barros, J. A. Rodrigues, P. J. Almeida and M. T. Oliva-Teles; Determination of glyoxal, methylglyoxal, and diacetyl in selected beer and wine, by HPLC with UV spectrophotometric detection, after derivatization with o-phenylenediamine; Journal of Liquid Chromatography and Related Technologies, 22 (1999) 2061-2069
doi: 10.1081/JLC-100101786


1997

J. A. Rodrigues, A. A. Barros, J. M. Machado Cruz and A. A. Ferreira; Determination of diacetyl in beer using differential-pulse polarography; Journal of the Institute of Brewing, 103 (1997) 311-314
doi: 10.1002/j.2050-0416.1997.tb00962.x

J. A. Rodrigues, P. G. Rodrigues and A. A. Barros; Polarographic determination of α-ketoacids in wine, after derivatization with o-phenylediamine; Portugaliae Electrochimica Acta, 15 (1997) 327-333
pdf

P. J. Almeida, J. A. Rodrigues, A. A. Barros and A. Fogg; Voltammetric studies of anthraquinone-based chlorotriazine reactive dyes adsorbed at mercury electrode; Portugaliae Electrochimica Acta , 15 (1997) 309-314
pdf


1996

A. A. Barros and J. A. Rodrigues; Effect of current sampling delay on the sensitivity of adsorption voltammetry ; Portugaliae Electrochimica Acta , 14 (1996) 233-237
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1995

J. A. Rodrigues and A. A. Barros; Determination of aniline by adsorptive stripping voltammetry using an improved diazotization and coupling procedure application to the evaluation of the light degradation of D&C red no. 33 in the presence of ascorbic acid; Talanta, 42 (1995) 915-920
doi: 10.1016/0039-9140(95)01512-A


1993

A. A. Barros, J. A. Rodrigues and P. J. Almeida; Determination of sulphanilic acid in the presence of tartrazine by differential-pulse polarography after conversion into an azo compound; Analytica Chimica Acta, 273 (1993) 539-543
doi: 10.1016/0003-2670(93)80200-5

J. A. Rodrigues and A. A. Barros; Development of a method for oxalate determination by differential-pulse polarography after derivatization with o-phenylenediamine; Analytica Chimica Acta, 273 (1993) 531-537
doi: 10.1016/0003-2670(93)80199-U

P. J. Almeida, J. A. Rodrigues and A. A. Barros; Separação e determinação polarográfica de ácido sulfanílico e tartarazina; Portugaliae Electrochimica Acta , 11 (1993) 37-40
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J. A. Rodrigues, P. Miranda and A. A. Barros; Determinação por polarografia diferencial de impulsos da vitamina C após derivatização com o-fenilenodiamina; Portugaliae Electrochimica Acta , 11 (1993) 41-45
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1992

A. A. Barros; Adsorptive stripping voltammetry; Portugaliae Electrochimica Acta , 10 (1992) 135-152
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J. C. Moreira, S. E. Foster, J. A. Rodrigues and A. G. Fogg; Differential-pulse adsorptive stripping voltammetric determination of sodium cromoglycate at a hanging mercury drop electrode; Analyst, 117 (1992) 989-991
doi: 10.1039/AN9921700989


1991

A. A. Barros and J. A. Rodrigues; Polarographic identification and determination of synthetic coloring matter in corks; Electroanalysis, 3 (1993) 243-245
doi: 10.1002/elan.1140030318


1988

A. A. Barros, J. O. Cabral and A. G. Fogg; Use of gelatin in the differential-pulse polarograpic determination and identification of synthetic colouring matters in drugs and cosmetics; Analyst, 113 (1988) 853-858
doi: 10.1039/AN9881300853


1987


A. A. Barros; Differential-pulse polarographic determination of synthetic colouring matters in drugs and cosmetics; Analyst, 112 (1987) 1359-1364
doi: 10.1039/AN9871201359


1986

A. G. Fogg, A. A. Barros and J. O. Cabral; Differential-pulse adsorptiye stripping voltammetry of food and cosmetic synthetic colouring matters and their determination and partial identification in tablet coatings and cosmetics; The Analyst, 111 (1986) 831-835
doi: 10.1039/AN9861100831


1984

A. G. Fogg, A. Y. Chamsi, A. A. Barros and J. O. Cabral; Flow injection voltammetric determination of hypochlorite and hypobromite as bromine by injection into an acidic bromide eluent and the indirect determination of ammonia and hydrazine by reaction with an excess of hypobromite; The Analyst, 109 (1984) 901-904
doi: 10.1039/AN9840900901


2',4'-dihydroxy-6'-methoxy-chalcone
2-furaldehyde
4-ethylguaiacol
4-ethylphenol
5-hydroxymethyl-2-furaldehyde
accumulation
acetaldehyde
acetaldehyde derivatization
acetylcholinesterase
AChE
acidic sugars
adsorbed species
adsorptive stripping voltammetry
adsorptive voltammetry
adducts
advanced glycation end products
aldehydes
aliphatic amines
Alpinia
ammonia and hydrazine
determination
amperometric detection
analysis method
analytical method
anodic stripping potentiometry
anodic stripping voltammetry
antioxidant activity
antioxidant defense system
antioxidant properties
antioxidants
antiradical power
anthocyanin
anthocyanin-pyruvic acid
anthraquinone monosulfonate
anthraquinone dyes
analysis
arsenic
ascorbic acid
ASV
automation
azorubine
barley
beer
beer aging
biomarker
biomarkers
biomonitorization
brandy
Brett character
brewer’s spent grain
brewing
butane-2,3-dione
butter
cadmiun
callus tissue
carbonyl compounds
cardamom
cardamonin
cathodic stripping voltammetry
Cd
cell wall
cerveza
chalcone
Chimassorb 944
citalopram
clinical analysis
copper
corks
cosmetic
cosmetics
Cu
cyclic voltammetry
cysteine
damascenone
derivatization
diacetyl
diacetyl determination
diacetyl in brandy
dicabornyls in beverages
differential-pulse polarography
dispersive solid-phase extraction
DNA
DNA sensor
drug adsorption
drug dissolution
drugs
dye-sensitized solar cells
E-2-nonenal
edge plane pyrolytic graphite
electroanalysis
electrochemical techniques
electrochemistry
electrode
electrolyte concentration
electrochemical detection
electron microscopy
Elettaria cardamomum
enzymatic biosensor
ergocalciferol
ergosterol
ethanal
fast reductions
fermentation
fermentation performance
ferulic acid
flavan-3-ol
flavour stability
flow analysis
flow detection
flow-injection analysis
flow injection
flow injection analysis
fluorometric detection
fluvoxamine
food analysis
food and cosmetic colouring matters
food quality
free and total diacetyl
free phenolics
free sulfur dioxide
fruit juices
fuel ethanol analysis
furanic aldehydes
furfural
galacturonic acid
gas-diffusion microextraction
GDME
gelatin
geotextiles
glutathione-S-transferase
Glycyrrhiza glabra
guaiacol
hanging mercury drop electrode
heavy metal biomonitoring
health
high-performance liquid chromatography
HMDE
homogeneous liquid-liquid extraction
hop
hops
hormones
HPLC-DAD
HPLC-DAD/ESI-MS/MS analysis
HPLC-DAD-MS analysis
HPLC–ESI–MS
HPLC-ESI-MS/MS
HPLC-UV
hypohalite determination
InChIKey=NYSZJNUIVUBQMM-BQYQJAHWSA-N
insoluble-bound phenolics
isoxanthohumol
kilning
kilning temperature
kinetic enzymatic assays
lead
licochalcone A
licorice
Lineweaver-Burk plot
liquid chromatography
lúpulo
Maillard reaction products
malt
medicinal chemistry
membraneless extraction module
membraneless gas diffusion
melanoidins
metallothionein
metallothioneins
metallo-β-lactamase
method validation
methylglyoxal
methylpropanal
microwave-assisted extraction
MLEM
molinate
multi walled carbon nanotube
multiple linear regression
natural dyes
neutral sugars
neurotransmitter
nonenal
nonenal potential
o-phenylenediamine
oxalic acid
oxidation
oxidative stress
oxygen elimination
oxygen removal
p-aminobenzoic acid
p-AMBA
paroxetin
Pb
pectin
pharmaceutical analysis
pharmaceuticals
phase separation
phenolic compounds
photo-degradation
physostigmine
phytochemcial analysis
polarographic method
polarography
polifenoles
polyphenols
polyvinylpolypyrrolidone
proanthocyanidins
pro-oxidants
PVPP
pyrolytic carbon
quartz crystal microbalance
QuEChERS
quinoxalines
reactive accumulation
reduction kinetics
reduction of acetaldehyde
rice paddy field floodwater
roasting
RP-HPLC-FLD
Saccharomyces pastorianus
salinity
salting-ou assisted liquid-liquid extraction
sample preparation
salud
screen-rinted carbon electrodes
self-assembled monolayer (SAM)
sertraline
serum
SO2
spent hops
Solanum tuberosum
soluble ester phenolics
speciation
spectrophotometry
spinach
square-wave adsorptive-stripping voltammetry
square-wave voltammetry
SSRI
sulfite
sulfites
sulfur dioxide
sulphanilic acid
sulphites
surfactants
sterols
stripping voltammetry
sulfite
SWV
tablets
tartrazine
tetraphenylphosphonium chloride
total sulfur dioxide
triton X-100
thyroid
urinalysis
viability
vicinal diketones
vinegar
vitability
vitality
vitamin C
vitamin D
volatile analysis
volatile phenols
voltammetry
whisky
wine
wine dyes
xanthohumol
yeast
yeast physiological condition
yeast viability
yeast vitality
zinc
Zingiberaceae
Zn
α-diketones
β-damascenone
β-lactam antibiotic


requimte
QuAQuA - Química Analítica e Qualidade Alimentar
Requimte/LAQV - Departamento de Química e Bioquímica
Faculdade de Ciências da Universidade do Porto (FCUP)
Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal
F: +351 220 402 659; P: +351 220 402 646; E: jarodrig(at)fc.up.pt
fcup
  © R.M. Ramos, L.M. Gonçalves; last update: 06/September/2018