Percorrer por autor Câmara, José de Sousa

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Out-2012A new and improved strategy combining a dispersive-solid phase extraction-based multiclass method with ultra high pressure liquid chromatography for analysis of low molecular weight polyphenols in vegetablesSilva, Catarina L.; Haesen, Nathaly; Câmara, José de SousaarticleopenAccess
Jun-2011New method for determination of (E)resveratrol in wine based on microextraction using packed sorbent and ultra-performance liquid chromatographyGonçalves, João; Câmara, José de SousaarticleopenAccess
Set-2011Optimisation of solid-phase microextraction combined with gas chromatography–mass spectrometry based methodology to establish the global volatile signature in pulp and skin of Vitis vinifera L. grape varietiesPerestrelo, Rosa Maria de Sá; Barros, António S.; Rocha, Sílvia M.; Câmara, José de SousaarticleopenAccess
Jun-2008Optimisation of stir bar sorptive extraction and liquid desorption combined with large volume injection-gas chromatography–quadrupole mass spectrometry for the determination of volatile compounds in winesCoelho, Elisabete; Perestrelo, Rosa Maria de Sá; Neng, Nuno R.; Câmara, José de Sousa; Coimbra, Manuel A.; Nogueira, J. M. F.; Rocha, Sílvia M.articleopenAccess
Nov-2012Phenolic profile of Sercial and Tinta Negra Vitis vinifera L. grape skins by HPLC–DAD–ESI-MSn: novel phenolic compounds in Vitis vinifera L. grapePerestrelo, Rosa Maria de Sá; Lu, Ying; Santos, Sónia A. O.; Silvestre, Armando J. D.; Neto, Carlos P.; Câmara, José de Sousa; Rocha, Sílvia M.articleopenAccess
Dez-2009Potentialities of two solventless extraction approaches—Stir bar sorptive extraction and headspace solid-phase microextraction for determination of higher alcohol acetates, isoamyl esters and ethyl esters in winesPerestrelo, Rosa Maria de Sá; Nogueira, J. M. F.; Câmara, José de SousaarticleopenAccess
Jun-2011Profiling allergic asthma volatile metabolic patterns using a headspace-solid phase microextraction/gas chromatography based methodologyCaldeira, M.; Barros, António S.; Bilelo, M. J.; Parada, A.; Câmara, José de Sousa; Rocha, Sílvia M.articleopenAccess
Fev-2008Quantification of polyphenols with potential antioxidant properties in wines using reverse phase HPLCPaixão, Neuza; Pereira, Vanda Nulita Gomes; Marques, José Carlos; Câmara, José de SousaarticleopenAccess
Abr-2007Relationship between antioxidant capacity and total phenolic content of red, rosé and white winesPaixão, Neuza; Perestrelo, Rosa Maria de Sá; Marques, José Carlos; Câmara, José de SousaarticleopenAccess
Nov-2007Screening of volatile composition from portuguese multifloral honeys using headspace solid-phase microextraction-gas chromatography–quadrupole mass spectrometryPontes, Marisela; Marques, José Carlos; Câmara, José de SousaarticleopenAccess
Ago-2012A sensitive microextraction by packed sorbent-based methodology combined with ultra-high pressure liquid chromatography as a powerful technique for analysis of biologically active flavonols in winesSilva, Catarina L.; Gonçalves, João L.; Câmara, José de SousaarticleopenAccess
Mai-2008Simultaneous analysis of free amino acids and biogenic amines in honey and wine samples using in loop orthophthalaldeyde derivatization procedurePereira, Vanda Nulita Gomes; Pontes, Marisela; Câmara, José de Sousa; Marques, José CarlosarticleopenAccess
Jun-2012Solid phase microextraction as a reliable alternative to conventional extraction techniques to evaluate the pattern of hydrolytically released components in Vitis vinifera L. grapesPerestrelo, Rosa Maria de Sá; Caldeira, Michael Manuel Lima; Câmara, José de SousaarticleopenAccess
Jan-2012Solid phase microextraction, mass spectrometry and metabolomic approaches for detection of potential urinary cancer biomarkers: a powerful strategy for breast cancer diagnosisSilva, Catarina L.; Passos, Mário; Câmara, José de SousaarticleopenAccess
Jun-2004Varietal flavour compounds of four grape varieties producing Madeira winesCâmara, José de Sousa; Herbert, Paulo; Marques, José Carlos; Alves, Maria ArmindaarticleopenAccess