Cristina Barros

Phenolic characterization of Northeast Portuguese propolis: usual and unusual compounds

Soraia I. Falcão, Miguel Vilas‐Boas, Letı́cia M. Estevinho et al. · Analytical and Bioanalytical Chemistry · 2009 · 205 citations · Full text

Agriculture, Botany, Plant Biochemistry +13

Interactions of cationic porphyrins with double‐stranded oligodeoxynucleotides: a study by electrospray ionisation mass spectrometry

Catarina I. V. Ramos, Cristina Barros, Ana M. Fernandes et al. · Journal of Mass Spectrometry · 2005 · 23 citations

Natural Sciences, Biochemistry, Chemistry +17

Cycloreversion and other gas‐phase reactions of neutral and cationic pyrrolidine‐fused chlorins and isobacteriochlorins under ion bombardment and electrospray

Raul A. Izquierdo, Cristina Barros, M. Graça Santana‐Marques et al. · Rapid Communications in Mass Spectrometry · 2004 · 18 citations

Natural Sciences, Chemistry, Bioorganic Chemistry +5

Characterization of dinitroporphyrin zinc complexes by electrospray ionization tandem mass spectrometry. Unusual fragmentations of β‐(1,3‐dinitroalkyl) porphyrins

Eduarda M. P. Silva, M. Rosário Domingues, Cristina Barros et al. · Journal of Mass Spectrometry · 2005 · 18 citations

Natural Sciences, Biochemistry, Chemistry +15

Characterization of isomeric cationic porphyrins with <i>β</i>-pyrrolic substituents by electrospray mass spectrometry: The singular behavior of a potential virus photoinactivator

Raul A. Izquierdo, Cristina Barros, M. Graça Santana‐Marques et al. · Journal of the American Society for Mass Spectrometry · 2006 · 16 citations

Natural Sciences, Biochemistry, Chemistry +14