In press
2024
F. D. Gonçalves, J. M. Martins, L. H. Carvalho, J. A. Rodrigues, R. M. Ramos; Volatile Carbonyl Compounds Emission in Dry-Process Fibreboard: Identification through a Selective GDME-HPLC-DAD-MS/MS Method; Separations, 11 (2024) 92
doi: 10.3390/separations11040092
F. D. Gonçalves, M. L. Almeida, J. M. Martins, L. H. Carvalho, J. A. Rodrigues, R. M. Ramos; Gas-diffusion microextraction combined with HPLC-DAD for the comprehensive analysis of volatile carbonyl compounds in wood-based panels; Talanta, 272 (2024) 125818
doi: 10.1016/j.talanta.2024.125818
C. S. C. Mota, M. R. G. Maia, I. M. Valente, A. R. J. Cabrita, A. J. M. Fonseca; Ruminal inocula with distinct fermentation profiles differentially affect the in vitro fermentation pattern of a commercial algal blend; Frontiers in Veterinary Science, 11 (2024) 1346683
doi: 10.3389/fvets.2024.1346683
J. A. Custodio-Mendoza, L. Munoz-Menendez, M. Pilar España-Fariñas, I. M. Valente, J. A. Rodrigues, P. J. Almeida, R. A. Lorenzo, A. M. Carro; Simultaneous determination of carbonyl compounds related to thermal treatment and oxidative stability of infant formulas by gas-diffusion microextraction and high-performance liquid chromatography with ultraviolet detection; Analytica Chimica Acta, 1288 (2024) 342164
doi: 10.1016/j.aca.2023.342164
M. Martins, L. Oliveira, B. Sousa, I. M. Valente, J. A. Rodrigues, M. Azenha, C. Soares, R. Pereira, F. Fidalgo; Unravelling the combined impacts of drought and Cu in barley plants - double trouble?; Plant Physiology and Biochemistry, 209 (2024) 108546
doi: 10.1016/j.plaphy.2024.108546
Rangel Silva, A., Almeida, P.J., Santos, J.R.; Multiple pulse amperometry in low pressure chromatography for parallel determination of oxidizable and reducible compounds. Analysis of a green coffee extract as a case study; Talanta, 266 (2024) 125016
doi: 10.1016/j.talanta.2023.125016
2023
I. M. Ferreira, D. O. Carvalho, L. F. Guido; Impact of storage conditions on the oxidative stability of beer; European Food Research and Technology, 2490 (2023) 149-156
doi: 10.1007/s00217-022-04140-6
L. F. Guido, I. M. Ferreira; The Role of Malt on Beer Flavour Stability; Fermentation, 9 (2023) 464
doi: 10.3390/fermentation9050464
I. M. Ferreira, L. F. Guido; Advances in Extraction Techniques for Beer Flavor Compounds; Beverages, 9 (2023) 71
doi: 10.3390/beverages9030071
M. R. G. Maia, A. Monteiro, I. M. Valente, C. Sousa, C. Miranda, C. Castro, P. P. Cortez, A. R. J. Cabrita, H. Trindade, A. J. M. Fonseca; Upcycling post-harvest biomass residues from native European Lupinus species: from straws and pod shells production to nutritive value and alkaloids content for ruminant animals; Frontiers in Nutrition, 10 (2023) 1195015
doi: 10.3389/fnut.2023.1195015
I. M. Valente, C. S. Sousa, L. F. Guido; Impact of the Smoking Process on Biogenic Amine Levels in Traditional Dry-Cured Chorizo; Separations, 10 (2023) 585
doi: 10.3390/separations10120585
C. Bravo, R. Pérez-Gregório, E. Pellegrini, M. Contin, E. Brandão, R. M. Ramos, L. Martin-Neto, M. Nobili, V. de Freitas, S. Soares; Unlocking the Potential of Spent Coffee Grounds as a Source of Humic-like Substances with High Antioxidant Capacity; Waste and Biomass Valorization (2023)
doi: 10.1007/s12649-023-02344-9
F. D. Gonçalves, J. A. Rodrigues, R. M. Ramos; Electrochemical Sensing of Vitamin D3: A Comparative Use of Glassy Carbon and Unmodified Screen-Printed Carbon Electrodes; Chemosensors, 11 (2023) 575
doi: 10.3390/chemosensors11120575
Aguiar, M.S., Coelho, A.F.S.M.R., Almeida, P.J., Santos, J.R.; Fan Assisted Extraction of Volatile Carbonyl Compounds from Coffee Brews Based on the Full Evaporation Technique; Foods, 12 (2023) 3389
doi: 10.3390/foods12183389
Silva, M.Q.M., Valente, I.M., Almeida, P.J., Santos, J.R.; Carbon dioxide spectrophotometric determination in whole roasted coffee beans using a total analysis system after super-modified simplex optimization; Journal of Food Composition and Analysis, 115 (2023) 104978
doi: 10.1016/j.jfca.2022.104978
2022
F. Braham, L. M. P. F. Amaral, K. Biernacki, D. O. Carvalho, L. F. Guido, J. M. C. S. Magalhães, F. Zaidi, H. K. S. Souza, M. P. Gonçalves; Phenolic Extraction of Moringa oleifera Leaves in DES: Characterization of the Extracts and Their Application in Methylcellulose Films for Food Packaging; Foods, 11 (2023) 2641
doi: 10.3390/foods11172641
Pinto, M., Soares, C., Pereira, R., Rodrigues, J. A., Fidalgo, F., & Valente, I. M.; Untargeted metabolomic profiling of fresh and dried leaf extracts of young and mature Eucalyptus globulus trees indicates differences in the presence of specialized metabolites; Frontiers in Plant Science, 13 (2022) 986197
doi: 10.3389/fpls.2022.986197
Cabrita, A. R. J., Guilherme-Fernandes, J., Valente, I. M., Almeida, A., Lima, S. A. C., Fonseca, A. J. M., and Maia, M. R. G.; Nutritional Composition and Untargeted Metabolomics Reveal the Potential of Tetradesmus obliquus, Chlorella vulgaris and Nannochloropsis oceanica as Valuable Nutrient Sources for Dogs; Animals, 12 (2022) 2643
doi: 10.3390/ani12192643
S. L. Teixeira, J. R. Santos, P. J. Almeida and J. A. Rodrigues; Fan assisted extraction and HPLC-DAD-MS/MS identification of volatile carbonyl compounds as chemical descriptors of healthy and defective roasted coffee beans; Food Control, 138 (2022) 109014
doi: 10.1016/j.foodcont.2022.109014
L. Cordeiro, A. R. J. Cabrita, H. M. Oliveira, M. R. G. Maia, J. A. Rodrigues, A. J. M. Fonseca, I. M. Valente; A Novel Approach for Monitoring the Volatile Metabolome in Biological Samples from Ruminants through Miniaturized Liquid-Liquid Extraction and Multiclass Gas Chromatography Analysis; Journal of Agricultural and Food Chemistry, 70 (2022) 3886 - 3897
doi: 10.1021/acs.jafc.1c06662
I. M. Ferreira, F. Freitas, S. Pinheiro, M. F. Mourão, L. F. Guido, M. G. Silva; Impact of temperature during beer storage on beer chemical profile; LWT, 154 (2022) 112688
doi: 10.1016/j.lwt.2021.112688
D. O. Carvalho, L. F. Guido; A review on the fate of phenolic compounds during malting and brewing: Technological strategies and beer styles; Food Chemistry, 372 (2022) 131093
doi: 10.1016/j.foodchem.2021.131093
2021
M. Martins, J. Lopes, B. Sousa, C. Soares, I. M. Valente, J. A. Rodrigues, F. Fidalgo, J. Teixeira; Cr (VI)-induced oxidative damage impairs ammonia assimilation into organic forms in Solanum lycopersicum L.; Plant Stress, 2 (2021) 100034
doi: 10.1016/j.stress.2021.100034
M. Pinto, C. Soares, M. Martins, B. Sousa, I. Valente, R. Pereira, F. Fidalgo; Herbicidal effects and cellular targets of aqueous extracts from young eucalyptus globulus labill. Leaves; Plants, 10 (2021) 1159
doi: 10.3390/plants10061159
A. R. Silva, J. R. Santos, P. J. Almeida and J. A. Rodrigues; Screening of Antioxidant Compounds in Green Coffee by Low-Pressure Chromatography with Amperometric Detection; Food Analytical Methods, 14 (2021) 2175-2185
doi: 10.1007/s12161-021-02037-w
I. M. Ferreira, M. G. Silva, D. O. Carvalho and L. F. Guido; Gas-Diffusion Microextraction (GDME) Combined with Derivatization for Assessing Beer Staling Aldehydes: Validation and Application; Foods, 10 (2021) 1704
doi: 10.3390/foods10081704
R. Costa, D. Azevedo, P. Barata, R. Soares, L. F. Guido and D. O. Carvalho; Antiangiogenic and Antioxidant In Vitro Properties of Hydroethanolic Extract from açaí (Euterpe oleracea) Dietary Powder Supplement; Molecules, 26 (2021) 2011
doi: 10.3390/molecules26072011
S. Reichel, D. O. Carvalho, J. R. Santos, P. Bednar, J. A. Rodrigues and L. F. Guido; Profiling the volatile carbonyl compounds of barley and malt samples using a low-pressure assisted extraction system; Food Control, 121 (2021) 107568
doi: 10.1016/j.foodcont.2020.107568
2020
F. A. Miller, J. F. Fundo, E. Garcia, J. R. Santos, C. L. M. Silva, T. R. S. Brandão; Physicochemical and bioactive caracterisation of edible and waste parts of “piel de sapo” melon; Horticulturae, 6 (2020) 60
doi: 10.3390/horticulturae6040060
J. A. Custodio-Mendoza, J. Aja-Macaya, I. M. Valente, J. A. Rodrigues, P. J. Almeida, R. A. Lorenzo, A. M. Carro, Determination of malondialdehyde, acrolein and four other products of lipid peroxidation in edible oils by Gas-Diffusion Microextraction combined with Dispersive Liquid-Liquid Microextraction; Journal of Chromatography A, 1627 (2020) 461397
doi: 10.1016/j.chroma.2020.461397
M. A. G. Valente Jr., L. M. Gonçalves, J. P. Filho, A. A. Cardoso, J. A. Rodrigues, C. S. Fugivara, A. V. Benedetti; Corrosion Protection of Steel by Volatile Corrosion Inhibitors: Vapor Analysis by Gas-Diffusion Microextraction and Mass Loss and Electrochemical Impedance in NaCl Deliquescence Tests; Journal of the Brazilian Chemical Society, 31 (2020) 2038-2048
doi: 10.21577/0103-5053.20200104
P. Dvořák, R. M. Ramos, V. Vyskočil, J. A. Rodrigues; A new electroanalytical methodology for the determination of formaldehyde in wood-based products; Talanta, 217 (2020) 121068
doi: 10.1016/j.talanta.2020.121068
F. Braham, D. O. Carvalho, C. M. R. Almeida, F. Zaidi, J. M. C. S. Magalhães, L. F. Guido, M. P. Gonçalves; Online HPLC-DPPH screening method for evaluation of radical scavenging phenols extracted from Moringa oleifera leaves; South African Journal of Botany, 129 (2020) 146-154
doi: 10.1016/j.sajb.2019.04.001
R. M. Ramos, P. F. Brandão, J. A. Rodrigues; Development of a SALLE-HPLC-FLD Analytical Method for the Simultaneous Determination of Ten Biogenic Amines in Cheese; Food Analytical Methods, 13 (2020) 1088-1098
doi: 10.1007/s12161-020-01730-6
K. C. Francisco, P. F. Brandão, R. M. Ramos, L. M. Gonçalves, A. A. Cardoso, J. A. Rodrigues; Salting-out assisted liquid-liquid extraction (SALLE) with dansyl chloride for the determination of biogenic amines in food; International Journal of Food Science & Technology, 55 (2020) 248-258
doi: 10.1111/ijfs.14300
Bruno Sousa, Jorge Lopes, André Leal, Maria Martins, Cristiano Soares, Inês M. Valente, José A. Rodrigues, Fernanda Fidalgo, Jorge Teixeira; Response of Solanum lycopersicum L. to diclofenac – Impacts on the plant’s antioxidant mechanisms; Environmental Pollution, 258 (2020) 113762
doi: 10.1016/j.envpol.2019.113762
J. R. Santos and J. A. Rodrigues; Characterization of volatile carbonyl compounds in defective green coffee beans using a fan assisted extraction process; Food Control, 108 (2020) 106879
doi: 10.1016/j.foodcont.2019.106879
2019
J. A. Custodio-Mendoza, I. M. Valente, R. M. Ramos, R. A. Lorenzo, A. M. Carro, J. A. Rodrigues; Analysis of free malondialdehyde in edible oils using gas-diffusion microextraction; Journal of Food Composition and Analysis, 82 (2019) 103254
doi: 10.1016/j.jfca.2019.103254
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
C. L. Fernandes, D. O. Carvalho, L. F. Guido; Determination of Acrylamide in Biscuits by High-Resolution Orbitrap Mass Spectrometry: A Novel Application; Foods, 8 (2019) 597
doi: 10.3390/foods8120597
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
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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
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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
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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
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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
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L. F. Guido; ¿Cómo ayudan los sulfitos a controlar el envejecimiento de la cerveza?; Cerveza y Malte, 183 (2009) 33-39
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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
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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
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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
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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
