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A. Jorge Parola
Researcher at Universidade Nova de Lisboa
Publications - 146
Citations - 3064
A. Jorge Parola is an academic researcher from Universidade Nova de Lisboa. The author has contributed to research in topics: Chemistry & Photochromism. The author has an hindex of 28, co-authored 133 publications receiving 2670 citations. Previous affiliations of A. Jorge Parola include Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa & University of Lisbon.
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Journal ArticleDOI
Chemistry and applications of flavylium compounds: a handful of colours
TL;DR: This critical review describeslavylium compounds, the ubiquitous colorants used by Nature to confer colour to most flowers and fruits, and the mechanisms underlying their colour development, such as co-pigmentation and host-guest interactions.
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Synthetic analogues of anthocyanins as sensitizers for dye-sensitized solar cells
Giuseppe Calogero,Alessandro Sinopoli,Ilaria Citro,Gaetano Di Marco,Vesselin Petrov,Ana Diniz,A. Jorge Parola,Fernando Pina +7 more
TL;DR: The results demonstrated that the substitution of a hydroxylic group with a diethylamine unit in position 7 of ring A of the flavylium backbone expanded the π-conjugation in the dye and thus resulted in a higher absorption in the visible region and is advantageous for effective electron injection from the dye into the conduction band of TiO2.
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The effect of self-aggregation on the determination of the kinetic and thermodynamic constants of the network of chemical reactions in 3-glucoside anthocyanins
Yoann Leydet,Raquel Gavara,Vesselin Petrov,Ana Diniz,A. Jorge Parola,João C. Lima,Fernando Pina +6 more
TL;DR: Evidence for flavylium aggregates possessing a shape between J and H was achieved, as well as for the formation of higher order aggregates.
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A Study in Mauve: Unveiling Perkin's Dye in Historic Samples
Micaela M. Sousa,Maria João Melo,A. Jorge Parola,Peter Morris,Henry Rzepa,J. Sérgio Seixas de Melo +5 more
TL;DR: The analysis of different historic mauve samples--mauve salts and dyed textiles--was undertaken to establish the exact nature of the iconic dye produced by W. H. Perkin in the nineteenth century, and Perkin's original recipe could be identified in three textile samples.
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Convenient synthesis of 3-vinyl and 3-styryl coumarins.
TL;DR: Extension of the delocalized π-electron system accomplished by Heck coupling reactions with aryl halides results in an increased fluorescence of the compounds whose applicability is yet to be established.