• 5869 Citations
  • 41 h-Index
1988 …2020

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Article
2020

A 1000-year-old mystery solved: Unlocking the molecular structure for the medieval blue from Chrozophora tinctoria, also known as folium

Nabais, P., Oliveira, J., Pina, F., Teixeira, N., De Freitas, V., Brás, N. F., Clemente, A., Rangel, M., Silva, A. M. S. & Melo, M. J., Apr 2020, In : Science Advances. 6, 16, eaaz7772.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
2019
1 Citation (Scopus)

A Photoelectrochemical Study of Bioinspired 2-Styryl-1-Benzopyrylium Cations on TiO2 Nanoparticle Layer for Application in Dye-Sensitized Solar Cells

Calogero, G., Citro, I., Sebastianella, G. C., Di Marco, G., Diniz, A. M., Parola, A. J. & Pina, F., 5 Dec 2019, In : Materials. 12, 24, 4060.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
1 Downloads (Pure)

Catechol versus carboxyl linkage impact on DSSC performance of synthetic pyranoflavylium salts

Pinto, A. L., Cruz, L., Gomes, V., Cruz, H., Calogero, G., de Freitas, V., Pina, F., Parola, A. J. & Lima, J. C., 1 Nov 2019, In : Dyes and Pigments. 170, 107577.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Generalization of the anthocyanins kinetics and thermodynamics multistate to 2,6-bis(2-hydroxybenzylidene)cyclohexanones

Alejo-Armijo, A., Moro, A. J., Parola, A. J., Lima, J. C., Pina, F., Corici, L., Shova, S. & Cseh, L., 1 Apr 2019, In : Dyes and Pigments. 163, p. 573-588 16 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Ground and excited state properties of furanoflavylium derivatives

Alejo-Armijo, A., Basílio, N., Freitas, A. A., Maçanita, A. L., Lima, J. C., Jorge Parola, A. & Pina, F., 14 Oct 2019, In : Physical Chemistry Chemical Physics. 21, 38, p. 21651-21662 12 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Intrinsically Electrochromic Deep Eutectic Solvents

Cruz, H., Jordão, N., Dionísio, M., Pina, F. & Branco, L. C., 31 Jan 2019, In : ChemistrySelect. 4, 4, p. 1530-1534 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

New Procedure to Calculate All Equilibrium Constants in Flavylium Compounds: Application to the Copigmentation of Anthocyanins

Mendoza, J., Basílio, N., de Freitas, V. & Pina, F., 31 Jul 2019, In : ACS Omega. 4, 7, p. 12058-12070 13 p.

Research output: Contribution to journalArticle

Open Access
9 Citations (Scopus)
Open Access
File
3 Citations (Scopus)
18 Downloads (Pure)

Purple-fleshed sweet potato acylated anthocyanins: Equilibrium network and photophysical properties

Oliveira, H., Basílio, N., Pina, F., Fernandes, I., de Freitas, V. & Mateus, N., 1 Aug 2019, In : Food Chemistry. 288, p. 386-394 9 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Study of the multi-equilibria of red wine colorants pyranoanthocyanins and evaluation of their potential in dye-sensitized solar cells

Pinto, A. L., Oliveira, J., Araújo, P., Calogero, G., de Freitas, V., Pina, F., Parola, A. J. & Lima, J. C., 1 Oct 2019, In : Solar Energy. 191, p. 100-108 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2018

Achieving Complexity at the Bottom. 2,6-Bis(arylidene) cyclohexanones and Anthocyanins: The Same General Multistate of Species

Alejo-Armijo, A., Corici, L., Cseh, L., Aparaschivei, D., Moro, A. J., Jorge Parola, A., Lima, J. C. & Pina, F., 19 Dec 2018, In : ACS Omega. 3, 12, p. 17853-17862

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)

Colour modulation of blue anthocyanin-derivatives. Lignosulfonates as a tool to improve the water solubility of natural blue dyes

Araújo, P., Basílio, N., Azevedo, J., Fernandes, A., Mateus, N., Pina, F., de Freitas, V. & Oliveira, J., 1 Jun 2018, In : Dyes and Pigments. 153, p. 150-159 10 p.

Research output: Contribution to journalArticle

File
2 Citations (Scopus)
39 Downloads (Pure)

Extending the stability of red and blue colors of malvidin-3-glucoside-lipophilic derivatives in the presence of SDS micelles

Mendoza, J., Pina, F., Basílio, N., Guimarães, M., de Freitas, V. & Cruz, L., 1 Apr 2018, In : Dyes and Pigments. 151, p. 321-326 6 p.

Research output: Contribution to journalArticle

File
10 Citations (Scopus)
10 Downloads (Pure)

Highly Photoluminescent Sulfide Clusters Confined in Zeolites

Ruivo, A., Coutino-Gonzalez, E., Santos, M. M., Baekelant, W., Fron, E., Roeffaers, M. B. J., Pina, F., Hofkens, J. & Laia, C. A. T., 5 Jul 2018, In : Journal of Physical Chemistry C. 122, 26, p. 14761-14770 10 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Impact of Lignosulfonates on the Thermodynamic and Kinetic Parameters of Malvidin-3- O-glucoside in Aqueous Solutions

Araújo, P., Basílio, N., Fernandes, A., Mateus, N., Freitas, V. D., Pina, F. & Oliveira, J., 27 Jun 2018, In : Journal of Agricultural and Food Chemistry. 66, 25, p. 6382-6387 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

New insights into iron-gall inks through the use of historically accurate reconstructions

Díaz Hidalgo, R. J., Córdoba, R., Nabais, P., Silva, V., Melo, M. J., Pina, F., Teixeira, N. & Freitas, V., 1 Dec 2018, In : Heritage Science. 6, 1, 63.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
6 Downloads (Pure)

Rationalizing the Color in Heavenly Blue Anthocyanin: A Complete Kinetic and Thermodynamic Study

Mendoza, J., Basílio, N., Pina, F., Kondo, T. & Yoshida, K., 17 May 2018, In : Journal of Physical Chemistry B. 122, 19, p. 4982-4992 11 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)
Open Access
8 Citations (Scopus)

Thermodynamic Stability of Flavylium Salts as a Valuable Tool to Design the Synthesis of A-Type Proanthocyanidin Analogues

Alejo-Armijo, A., Parola, A. J., Pina, F., Altarejos, J. & Salido, S., 5 Oct 2018, In : Journal of Organic Chemistry. 83, 19, p. 12297-12304 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

2,2′-Spirobis[chromene] Derivatives Chemistry and Their Relation with the Multistate System of Anthocyanins

Moro, A. J., Parola, A. J., Pina, F., Pana, A. M., Badea, V., Pausescu, I., Shova, S. & Cseh, L., 19 May 2017, In : Journal of Organic Chemistry. 82, 10, p. 5301-5309 9 p.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)

Binding of the five multistate species of the anthocyanin analog 7-β-D-glucopyranosyloxy-4′-hydroxyflavylium to the β-cyclodextrin derivative captisol

Mendoza, J., Basílio, N., Dangles, O., Mora, N., Al Bittar, S. & Pina, F., 1 Aug 2017, In : Dyes and Pigments. 143, p. 479-487 9 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Bis(bipyridinium) Salts as Multicolored Electrochromic Devices

Jordão, N., Cruz, H., Branco, A., Pina, F. & Branco, L. C., 1 Sep 2017, In : CHEMPLUSCHEM. 82, 9, p. 1211-1217 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
15 Citations (Scopus)
2 Citations (Scopus)

Electronic and charge transfer properties of bio-inspired flavylium ions for applications in TiO2-based dye-sensitized solar cells

Calogero, G., Citro, I., Di Marco, G., Caramori, S., Casarin, L., Bignozzi, C. A., Avó, J., Jorge Parola, A. & Pina, F., 1 Sep 2017, In : Photochemical and Photobiological Sciences. 16, 9, p. 1400-1414 15 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)
Open Access
4 Citations (Scopus)
3 Citations (Scopus)

Influence of the structural features of amino-based pyranoanthocyanins on their acid-base equilibria in aqueous solutions

Oliveira, J., Araújo, P., Fernandes, A., Brás, N. F., Mateus, N., Pina, F. & de Freitas, V., 1 Jun 2017, In : Dyes and Pigments. 141, p. 479-486 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Synthesis and equilibrium multistate of new pyrano-3-deoxyanthocyanin-type pigments in aqueous solutions

Sousa, J. L. C., Gomes, V., Mateus, N., Pina, F., de Freitas, V. & Cruz, L., 1 Jan 2017, In : Tetrahedron. 73, 41, p. 6021-6030 10 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Unveiling the 6,8-Rearrangement in 8-Phenyl-5,7-dihydroxyflavylium and 8-Methyl-5,7-dihydroxyflavylium through Host–Guest Complexation

Basílio, N., Lima, J. C., Cruz, L., de Freitas, V., Pina, F., Ando, H., Kimura, Y., Oyama, K. I. & Yoshida, K., 10 Oct 2017, In : European Journal of Organic Chemistry. 2017, 37, p. 5617-5626 10 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2016

A blue 4′,7-diaminoflavylium cation showing an extended pH range stability

Tron, A., Gago, S., McClenaghan, N. D., Parola, A. J. & Pina, F., 7 Apr 2016, In : Physical Chemistry Chemical Physics. 18, 13, p. 8920-8925 6 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

A multiproxy approach to evaluate biocidal treatments on biodeteriorated majolica glazed tiles

Coutinho, M. L., Miller, A. Z., Martin-Sanchez, P. M., Mirão, J., Gomez-Bolea, A., Machado-Moreira, B., Cerqueira-Alves, L., Jurado, V., Saiz-Jimenez, C., Lima, A., Phillips, A. J. L., Pina, F. & Dinis, M. F. M. A. D. M., Dec 2016, In : Environmental Microbiology.

Research output: Contribution to journalArticle

Open Access
11 Citations (Scopus)

A Multistate Molecular Switch Based on the 6,8-Rearrangement in Bromo-apigeninidin Operated with pH and Host-Guest Inputs

Basílio, N., Cruz, L., De Freitas, V. & Pina, F., 28 Jul 2016, In : Journal of Physical Chemistry B. 120, 29, p. 7053-7061 9 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)
4 Citations (Scopus)
Open Access
File
19 Citations (Scopus)
5 Downloads (Pure)

Effect of Methyl, Hydroxyl, and Chloro Substituents in Position 3 of 3′,4′,7-Trihydroxyflavylium: Stability, Kinetics, and Thermodynamics

Alejo-Armijo, A., Salido, S., Altarejos, J., Parola, A. J., Gago, S., Basílio, N., Cabrita, L. & Pina, F., 22 Aug 2016, In : Chemistry-A European Journal. 22, 35, p. 12495-12505 11 p.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)
Open Access
5 Citations (Scopus)

Photoluminescent Nanocrystals in a Multicomponent Aluminoborosilicate Glass

Ruivo, A., Ferro, M., Andrade, S. M., Rocha, J., Pina, F. & Laia, C. A. T., 3 Nov 2016, In : Journal of Physical Chemistry C. 120, 43, p. 24925-24931 7 p.

Research output: Contribution to journalArticle

Open Access

Synthesis and multistate characterization of bis-flavylium dications-symmetric resorcinol- and phloroglucinol-type derivatives as stochastic systems

Basílio, N., Garnier, T., Avó, J., Danel, M., Chassaing, S. & Pina, F., 2016, In : RCS Advances. 6, 74, p. 69698-69707 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

Anthocyanins and derivatives are more than flavylium cations

Pina, F., Oliveira, J. & de Freitas, V., 20 May 2015, In : Tetrahedron. 71, 20, p. 3107-3114 8 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)

Characterization of kinetic and thermodynamic parameters of cyanidin-3-glucoside methyl and glucuronyl metabolite conjugates

Cruz, L., Basílio, N., Mateus, N., Pina, F. & De Freitas, V., 5 Feb 2015, In : Journal of Physical Chemistry B. 119, 5, p. 2010-2018 9 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Electrochromic devices based on disubstituted oxo-bipyridinium ionic liquids

Jordão, N., Cruz, H. G. D. S., Branco, A., Pina, F. & Branco, L. C., 2015, In : CHEMPLUSCHEM. 80, 1, p. 202-208 7 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
24 Citations (Scopus)
8 Citations (Scopus)
15 Citations (Scopus)
15 Citations (Scopus)

Origin of the metastable stability in flavylium multistate systems

Petrov, V., Slavcheva, S., Stanimirov, S. & Pina, F., 26 Mar 2015, In : Journal of Physical Chemistry A. 119, 12, p. 2908-2918 11 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
6 Citations (Scopus)