Percorrer por autor Câmara, José de Sousa

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Jan-2011Effectiveness of different solid-phase microextraction fibres for differentiation of selected Madeira island fruits based on their volatile metabolite profile: identification of novel compoundsPereira, João; Pereira, Jorge; Câmara, José de SousaarticleopenAccess
Jan-2012Effectiveness of high-throughput miniaturized sorbent- and solid phase microextraction techniques combined with gas chromatography–mass spectrometry analysis for a rapid screening of volatile and semi-volatile composition of wines: a comparative studyMendes, Berta Rodrigues; Gonçalves, João; Câmara, José de SousaarticleopenAccess
Out-2011A fast method using a new hydrophilic–lipophilic balanced sorbent in combination with ultra-high performance liquid chromatography for quantification of significant bioactive metabolites in winesSilva, Catarina L.; Pereira, Jorge; Wouter, Van G.; Giró, Carme; Câmara, José de SousaarticleopenAccess
Mai-2012Headspace solid-phase microextraction combined with mass spectrometry as a powerful analytical tool for profiling the terpenoid metabolomic pattern of hop-essential oil derived from Saaz varietyGonçalves, João; Figueira, José; Rodrigues, Fátima; Câmara, José de SousaarticleopenAccess
Set-2009Headspace solid-phase microextraction-gas chromatography-quadrupole mass spectrometric methodology for the establishment of the volatile composition of Passiflora fruit speciesPontes, Marisela; Marques, José Carlos; Câmara, José de SousaarticleopenAccess
Mar-2003Heterocyclic acetals in Madeira winesCâmara, José de Sousa; Marques, José Carlos; Alves, A.; Ferreira, A. C. SilvaarticleopenAccess
Jan-2010HPLC-DAD methodology for the quantification of organic acids, furans and polyphenols by direct injection of wine samplesPereira, Vanda Nulita Gomes; Câmara, José de Sousa; Cacho, Juan; Marques, José CarlosarticleopenAccess
Nov-2008Impact of forced-aging process on Madeira Wine flavorSilva, Hugo Oliveira e; Pinho, Paula Guedes de; Machado, Beatriz P.; Hogg, Tim; Marques, José Carlos; Câmara, José de Sousa; Albuquerque, F. F.; Ferreira, António C. SilvaarticleopenAccess
Mar-2011In-depth search focused on furans, lactones, volatile phenols, and acetals as potential age markers of Madeira wines by comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry combined with solid phase microextractionPerestrelo, Rosa Maria de Sá; Barros, António S.; Câmara, José de Sousa; Rocha, Sílvia M.articleopenAccess
Nov-2011Investigation of urinary volatile organic metabolites as potential cancer biomarkers by solid-phase microextraction in combination with gas chromatography-mass spectrometrySilva, C. L.; Câmara, José de SousaarticleopenAccess
2013A micro-extraction technique using a new digitally controlled syringe combined with UHPLC for assessment of urinary biomarkers of oxidatively damaged DNAMendes, Berta Rodrigues; Silva, Pedro; Aveiro, Fernando; Pereira, Jorge; Câmara, José de SousaarticleopenAccess
Fev-2006Multivariate analysis for the classification and differentiation of Madeira wines according to main grape varietiesCâmara, José de Sousa; Alves, Maria Arminda; Marques, José CarlosarticleopenAccess
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