The Cultural Heritage And Responsive Materials (CHARM) group concentrates in the design of responsive molecules and materials where external stimuli allow control over the direction and outcome of chemical and photochemical reactions and on the science of sustainable conservation of Cultural Heritage. Photochemistry and physical chemistry tools and models and the principles of supramolecular chemistry are applied to:

  • The study of a number of photo, electro and thermal induced reactions in a range of responsive materials commercially important for chromogenic displays, DSSCs, luminescent glasses, alternative solvents and luminescent probes. 
  • The preservation of materials incorporated in Cultural Heritage objects (i.e. from Illuminated Manuscripts to Contemporary Art and Photography) that requires research  to determine their original chemical and physical state, and to identify agents and mechanisms of change and degradation. 

State of the art analytical instrumentation and expertise from a wide range of disciplines is available for the identification of complex aged materials and to address questions of context and meaning in their use, as well as the impact of previous and contemporary interventions. Innovations for preservation treatments include research and application of Liquid and Supercritical CO2 and Ionic Liquids.

The interdisciplinary environment conveys an integrated approach where state of the art materials and techniques are applied in conservation and the knowledge over how ancient materials have endured  inspire the design or development of materials with enhanced properties.

Research Interests

Causes and mechanisms of alteration

  • Medieval illuminated manuscripts and polychrome sculpture.
  • Amadeo de Souza-Cardoso and 19th century artists’ paints.
  • 19th century, Modern & Contemporary Cultural Heritage.

Sustainable innovative methods

  • Applications of super critical and liquid CO2
  • Applications of ionic liquids.
  • New advanced methods of dyes analysis.

Historical reconstructions database

  • The book on how to make colours.
  • The Winsor & Newton artist materials supplier, 19th century archive.

Anthocyanins and flavylium salts

  • Photochromic systems based on anthocyanin family derivatives
  • Host-guest systems for improved performance
  • New anthocyanin familiy derivatives for DSSCs

Ionic liquids and alternative solvents

  • Innovative active pharmaceutical drugs based ionic liquids
  • Photochromic Ionic liquids to control rheology with light
  • Green electrolytes for electrochromic devices
  • Ionic liquids for CO2 capture and conversion

Electrochromic devices

  • New organic components for electrochromic devices
  • New wet methods for material deposition
  • New ITO-free conductive coatings for improved transparence

Luminescent glass materials 

  • Rare-earth photoluminescence.
  • Towards fabrication of quantum-dots in aluminoborosilicate glasses.
  • Corrosion mechanisms of glass surfaces and cleaning strategies. Application in stained-glass restoration.

Light activated sensors and actuators

  • Multichanel fluorescent sensors for O2, temperature and biologically relevant targets
  • Light control over nucleic acid enzimatic polimerization
  • Heating through UV/Vis light absorption and non-radiative dumping
  • Aggregation induced emission of metalophylic hydrogels 



  • Lorvão Beatus (1189) UNESCO´s Memory of the World Register

    Our team contributed to the interdisciplinary chemical and historical research on the Manuscripts of the Commentary to the Apocalypse (Beatus of Liébana) in the Iberian tradition, which led to the successful entry of 12th century Portuguese Beatus into UNESCO´s Memory of the World Register. Pigment analysis combined with documentary evidence allowed a complete reinterpretation of the color use and depiction of figures in Lorvão Beatus (1189). This research resulted in the codex being recognized as a unique and important contribution to World Heritage.


  • Electrochromic Devices
    Hybrid copper-nanowire–reduced-graphene-oxide coatings: a “green solution” toward highly transparent, highly conductive, and flexible electrodes for (opto)electronics Advanced Materials, 2017, 29, 1703225. INFUSION-H2020-MSCA-RISE-2016 n.734834 DecoChrom-H2020-NMBP-2017 n . 760973
    Hybrid copper-nanowire–reduced-graphene-oxide coatings: a “green solution” toward highly transparent, highly conductive, and flexible electrodes for (opto)electronics Advanced Materials, 2017, 29, 1703225. INFUSION-H2020-MSCA-RISE-2016 n.734834 DecoChrom-

    Printed graphics are emerging to the age of interactivity with innovative advanced materials sets allowing the design of smart objects and environments. Electrochromics enables mass producible ultra low-power interactive displays to create the so-called “Internet -of-Things”  (IoT). Recently, we have chemically designed semiconductor polymers interactions with carbon nanomaterials and proposed novel electrochromic ionic liquids based on low-cost deep eutectic solvents. As a result, a strong international collaboration with Academia and Industry (e.g., Ynvisible and Sonae Industria de Revestimentos) gave rise to two recent H2020 Projects, bringing together a strong interdisciplinary consortium in 9 different countries, industry and research, that will provide toolkits to introduce printed electrochromics to designers and the printing industry.


  • Anthocyanin multistate systems
    Electronic and charge transfer properties of bioinspired flavylium ions for applications to TiO2- based dye-sensitized solar cells Photochemical & Photobiological Sciences, 2017, 16, 1400-1414
    Electronic and charge transfer properties of bioinspired flavylium ions for applications to TiO2- based dye-sensitized solar cells Photochemical & Photobiological Sciences, 2017, 16, 1400-1414

    Anthocyanins are an important family of compounds belonging to the flavonoid group, responsible for the different shades of reds and blues of most flowers and fruits. Besides their role as plant colorants there is evidence that regular consumption of anthocyanins and other polyphenols, reduce the risk of some chronic diseases, due to their anti-oxidant properties. During the last two decades we pioneered work on anthocyanins and related flavylium compounds and a rich experimental and theoretical knowledge has been accumulated, recognized. While there are only six common natural anthocyanins, it is possible to design and prepare bio‐inspired derivatives, more adapted to specific functions. Information systems based on the photochromism within the flavylium network of chemical reactions, able to write‐read‐erase, have been reported, including an illustration of how these system can mimic elementary properties of neurons, and molecular logic gates. The work on anthocyanins provided the seed for contributing to cleaner energy solutions, a societal challenge; anthocyanins were used for building bio‐inspired Dye Sensitised Solar Cells (DSSC), and a DSSC with 3.1% efficiency has been built and the next generation of flavylium compounds for DSSC is under study.

  • CO2 Capture and Conversion (CCU) in fuels
    Gold(I)-complex–titania hybrid photocatalyst for hydrogen production ChemCatChem, 2017, 9, 3289–3292.
    Gold(I)-complex–titania hybrid photocatalyst for hydrogen production ChemCatChem, 2017, 9, 3289–3292.

    Prominent among the technological challenges to be reached is the development of photochemical mechanisms that lead to the efficient production of H2  from water and sunlight. Once produced, H2  may be used directly to power fuel cells or may be further converted into CH4  or fixed into liquid fuels via hydrogenation of CO2 . Our team have contributed to the integration of TiO2  and an Au(I) complex containing a thiocoumarin moiety resulting in a very efficient photocatalyst for the generation of H2 . We have also contributed for Carbon Capture and Utilization (CCU) achievements by the discovery of efficient reversible carbon dioxide capture using bioinspired systems (aminoacids, saccharides, cellulose) in combination with suitable organic superbases, as well as the innovative approaches for catalytic conversion of carbon dioxide in methane using metal nanoparticles/ionic liquid systems.

Representative Publications

Mirante, F; Alves, AC; Juliao, D; Almeida, PL; Gago, S; Valenca, R; Ribeiro, JC; de Castro, B; Granadeiro, CM; Balula, SS. 2020. Large-pore silica spheres as support for samarium-coordinated undecamolybdophosphate: Oxidative desulfurization of diesels. FUEL, 259. DOI: 10.1016/j.fuel.2019.116213
Ribeiro, SO; Granadeiro, CM; Almeida, PL; Pires, J; Capel-Sanchez, MC; Campos-Martin, JM; Gago, S; de Castro, B; Balula, SS. 2019. Oxidative desulfurization strategies using Keggin-type polyoxometalate catalysts: Biphasic versus solvent-free systems. CATALYSIS TODAY, 333, 226-236. DOI: 10.1016/j.cattod.2018.10.046
Alejo-Armijo, A; Parola, AJ; Pina, F. 2019. pH-Dependent Multistate System Generated by a Synthetic Furanoflavylium Compound: An Ancestor of the Anthocyanin Multistate of Chemical Species. ACS OMEGA, 4, 4091-4100. DOI: 10.1021/acsomega.8b03696
Castro, NSS; Moura, I; Carepo, MSP; Laia, CAT. 2019. Fluorescence anisotropy of fluorescein derivative varies according to pH: Lessons for binding studies. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 372, 59-62. DOI: 10.1016/j.jphotochem.2018.12.008
Tiago, GAO; Mahmudov, KT; da Silva, MFCG; Ribeiro, APC; Branco, LC; Zubkov, FI; Pombeiro, AJL. 2019. Cyanosilylation of Aldehydes Catalyzed by Ag(I)- and Cu(II)-Arylhydrazone Coordination Polymers in Conventional and in Ionic Liquid Media. Catalysts, 9. DOI: 10.3390/catal9030284
Alejo-Armijo, A; Moro, AJ; Parola, AJ; Lima, JC; Pina, F; Corici, L; Shova, S; Cseh, L. 2019. Generalization of the anthocyanins kinetics and thermodynamics multistate to 2,6-bis(2-hydroxybenzylidene)cyclohexanones. DYES AND PIGMENTS, 163, 573-588. DOI: 10.1016/j.dyepig.2018.12.020
Francisco, AP; Botequim, D; Prazeres, DMF; Serra, VV; Costa, SMB; Laia, CAT; Paulo, PMR. 2019. Extreme Enhancement of Single-Molecule Fluorescence from Porphyrins Induced by Gold Nanodimer Antennas. Journal of Physical Chemistry Letters, 10, 1542-1549. DOI: 10.1021/acs.jpclett.9b00373
Kourmentza, C; Araujo, D; Sevrin, C; Roma-Rodriques, C; Ferreira, JL; Freitas, F; Dionisio, M; Baptista, PV; Fernandes, AR; Grandfils, C; Reis, MAM. 2019. Occurrence of non-toxic bioemulsifiers during polyhydroxyalkanoate production by Pseudomonas strains valorizing crude glycerol by-product. BIORESOURCE TECHNOLOGY, 281, 31-40. DOI: 10.1016/j.biortech.2019.02.066
Oliveira, H; Basilio, N; Pina, F; Fernandes, I; de Freitas, V; Mateus, N. 2019. Purple-fleshed sweet potato acylated anthocyanins: Equilibrium network and photophysical properties. FOOD CHEMISTRY, 288, 386-394. DOI: 10.1016/j.foodchem.2019.02.132
Abreu, PM; Galindro, JM; Relva, AM; Ramos, AM. 1997. Non-terpenoid compounds from Plocamium cartilagineum. PHYTOCHEMISTRY, 45(8), 1601-1603. DOI: 10.1016/s0031-9422(97)00200-8
Ramos, AM; Lobo, LS; Bordado, JM. 1998. Polymers from pine gum components: Radical and coordination homo and copolymerization of pinenes. Macromolecular Symposia, 127, 43-50. DOI:
Huang, RJ; Ward, JS; Kukhta, NA; Avo, J; Gibson, J; Penfold, T; Lima, JC; Batsanov, AS; Berberan-Santos, MN; Bryce, MR; Dias, FB. 2018. The influence of molecular conformation on the photophysics of organic room temperature phosphorescent luminophores. Journal of Materials Chemistry C, 6, 9238-9247. DOI: 10.1039/c8tc02987c
Svahn, N; Moro, AJ; Roma-Rodrigues, C; Puttreddy, R; Rissanen, K; Baptista, PV; Fernandes, AR; Lima, JC; Rodriguez, L. 2018. The Important Role of the Nuclearity, Rigidity, and Solubility of Phosphane Ligands in the Biological Activity of Gold(I) Complexes. CHEMISTRY-A EUROPEAN JOURNAL, 24, 14654-14667. DOI: 10.1002/chem.201802547
Alejo-Armijo, A; Parola, AJ; Pina, F; Altarejos, J; Salido, S. 2018. Thermodynamic Stability of Flavylium Salts as a Valuable Tool To Design the Synthesis of A-Type Proanthocyanidin Analogues. JOURNAL OF ORGANIC CHEMISTRY, 83, 12297-12304. DOI: 10.1021/acs.joc.8b01780
Sousa, DM; Alves, LC; Marques, A; Gaspar, G; Lima, JC; Ferreira, I. 2018. Facile Microwave-assisted Synthesis Manganese Doped Zinc Sulfide Nanoparticles. Scientific Reports, 8. DOI: 10.1038/s41598-018-34268-z
Hidalgo, RJD; Cordoba, R; Nabais, P; Silva, V; Melo, MJ; Pina, F; Teixeira, N; Freitas, V. 2018. New insights into iron-gall inks through the use of historically accurate reconstructions. HERITAGE SCIENCE, 6. DOI: 10.1186/s40494-018-0228-8
Chagnon, C; Thiel, M; Antunes, J; Ferreira, JL; Sobral, P; Ory, NC. 2018. Plastic ingestion and trophic transfer between Easter Island flying fish (Cheilopogon rapanouiensis) and yellowfin tuna (Thunnus albacares) from Rapa Nui (Easter Island). ENVIRONMENTAL POLLUTION, 243, 127-133. DOI: 10.1016/j.envpol.2018.08.042
Alejo-Armijo, A; Corici, L; Cseh, L; Aparaschivei, D; Moro, AJ; Parola, AJ; Lima, JC; Pina, F. 2018. Achieving Complexity at the Bottom. 2,6-Bis(arylidene) cyclohexanones and Anthocyanins: The Same General Multistate of Species. ACS OMEGA, 3, 17853-17862. DOI: 10.1021/acsomega.8b02745
Lima, F; Gouvenaux, J; Branco, LC; Silvestre, AJD; Marrucho, IM. 2018. Towards a sulfur clean fuel: Deep extraction of thiophene and dibenzothiophene using polyethylene glycol-based deep eutectic solvents. FUEL, 234, 414-421. DOI: 10.1016/j.fuel.2018.07.043
Silva, DM; Ribeiro, T; Branco, LC; Colaco, R; da Silva, AG; Saramago, B. 2019. Hydrophobic ionic liquids at liquid and solid interfaces. TRIBOLOGY INTERNATIONAL, 129, 459-467. DOI: 10.1016/j.triboint.2018.08.018
Mirante, F; Gomes, N; Branco, LC; Cunha-Silva, L; Almeida, PL; Pillinger, M; Gago, S; Granadeiro, CM; Balula, SS. 2019. Mesoporous nanosilica-supported polyoxomolybdate as catalysts for sustainable desulfurization. MICROPOROUS AND MESOPOROUS MATERIALS, 275, 163-171. DOI: 10.1016/j.micromeso.2018.07.036
Carabineiro, SA; Fernandes, FB; Vital, JS; Ramos, AM; Silva, IF. 1999. Uncatalyzed and catalyzed NO and N2O reaction using various catalysts and binary barium mixtures supported on activated carbon. CATALYSIS TODAY, 54(4), 559-567. DOI:
Ramos, AM; Vital, J; Silva, IF; Valente, H; Gomes, PT. 1998. Polymerisation of styrene using Y, USY and β zeolites as catalysts. CATALYSIS LETTERS, 51(3-4), 117-119. DOI:
Cabrita, EJ; Candeias, SX; Ramos, AM; Afonso, CAM; Santos, AG. 1999. Novel acid catalysed 1,4-addition-type ring-opening polymerisation of cyclic phosphorimidates. TETRAHEDRON LETTERS, 40(1), 137-140. DOI: 10.1016/s0040-4039(98)80040-3
Vital, J; Ramos, AM; Silva, IF; Valente, H; Castanheiro, JE. 2000. Hydration of α-pinene over zeolites and activated carbons dispersed in polymeric membranes. CATALYSIS TODAY, 56(1-3), 167-172. DOI:
Lopes, JA; Gourgouillon, D; Pereira, PJ; Ramos, AM; Nunes Da Ponte, M. 2000. On the effect of polymer fractionation on phase equilibrium in CO2 + poly(ethylene glycol)s systems. JOURNAL OF SUPERCRITICAL FLUIDS, 16(3), 261-267. DOI: 10.1016/s0896-8446(99)00033-9
Silva, IF; Vital, J; Ramos, AM; Valente, H; Botelho Do Rego, AM; Reis, MJ. 1998. Oxydehydrogenation of cyclohexanol over carbon catalysts. CARBON, 36(7-8), 1159-1165. DOI:
Vital, J; Ramos, AM; Silva, IF; Castanheiro, JE. 2001. The effect of α-terpineol on the hydration of α-pinene over zeolites dispersed in polymeric membranes. CATALYSIS TODAY, 67(1-3), 217-223. DOI: 10.1016/s0920-5861(01)00289-9
Carabineiro, SA; Brás Fernandes, F; Ramos, AM; Vital, J; Silva, IF. 2000. Vanadium as a catalyst for NO, N2O and CO2 reaction with activated carbon. CATALYSIS TODAY, 57(3-4), 305-312. DOI:
Gomes De Azevedo, R; Rebelo, LPN; Ramos, AM; Szydlowski, J; De Sousa, HC; Klein, J. 2001. Phase behavior of (polyacrylamides + water) solutions: Concentration, pressure and isotope effects. FLUID PHASE EQUILIBRIA, 185(1-2), 189-198. DOI: 10.1016/s0378-3812(01)00469-1
Valente, A; Botelho Do Rego, AM; Reis, MJ; Silva, IF; Ramos, AM; Vital, J. 2001. Oxidation of pinane using transition metal acetylacetonate complexes immobilized on modified activated carbon. APPLIED CATALYSIS A-GENERAL, 207(1-2), 221-228. DOI: 10.1016/s0926-860x(00)00622-0
Carabineiro, SA; Fernandes, FB; Vital, JS; Ramos, AM; Fonseca, IM. 2003. NO conversion using binary vanadium mixtures supported on activated carbon. APPLIED CATALYSIS B-ENVIRONMENTAL, 44(3), 227-235. DOI: 10.1016/s0926-3373(03)00064-x
Rebelo, LPN; Visak, ZP; De Sousa, HC; Szydlowski, J; Gomes De Azevedo, R; Ramos, AM; Najdanovic-Visak, V; Da Ponte, MN; Klein, J. 2002. Double critical phenomena in (water + polyacrylamides) solutions. MACROMOLECULES, 35(5), 1887-1895. DOI: 10.1021/ma011533a
Carabineiro, SA; Fernandes, FB; Vital, JS; Ramos, AM; Fonseca, IM. 2005. N2O conversion using manganese binary mixtures supported on activated carbon. APPLIED CATALYSIS B-ENVIRONMENTAL, 59(3-4), 181-186. DOI: 10.1016/j.apcatb.2005.02.006
Aguilo, E; Moro, AJ; Outis, M; Pina, J; Sarmento, D; de Melo, JSS; Rodriguez, L; Lima, JC. 2018. Deactivation Routes in Gold(I) Polypyridyl Complexes: Internal Conversion Vs Fast Intersystem Crossing. INORGANIC CHEMISTRY, 57, 13423-13430. DOI: 10.1021/acs.inorgchem.8b01993
Mendoza, J; Basilio, N; Pina, F; Kondo, T; Yoshida, K. 2018. Rationalizing the Color in Heavenly Blue Anthocyanin: A Complete Kinetic and Thermodynamic Study. JOURNAL OF PHYSICAL CHEMISTRY B, 122, 4982-4992. DOI: 10.1021/acs.jpcb.8b01136
Abidli, S; Antunes, JC; Ferreira, JL; Lahbib, Y; Sobral, P; El Menif, NT. 2018. Microplastics in sediments from the littoral zone of the north Tunisian coast (Mediterranean Sea). ESTUARINE COASTAL AND SHELF SCIENCE, 205, 1-9. DOI: 10.1016/j.ecss.2018.03.006
Pinto, MI; Salgado, R; Laia, CAT; Cooper, WJ; Sontag, G; Burrows, HD; Branco, L; Vale, C; Noronh, JP. 2018. The effect of chloride ions and organic matter on the photodegradation of acetamiprid in saline waters. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 360, 117-124. DOI: 10.1016/j.jphotochem.2018.04.020
Ruivo, A; Coutino-Gonzalez, E; Santos, MM; Baekelant, W; Fron, E; Roeffaers, MBJ; Pina, F; Hofkens, J; Laia, CAT. 2018. Highly Photoluminescent Sulfide Clusters Confined in Zeolites. Journal of Physical Chemistry C, 122, 14761-14770. DOI: 10.1021/acs.jpcc.8b01247
Florindo, C; Celia-Silva, LG; Martins, LFG; Branco, LC; Marrucho, IM. 2018. Supramolecular hydrogel based on a sodium deep eutectic solvent. CHEMICAL COMMUNICATIONS, 54, 7527-7530. DOI: 10.1039/c8cc03266a
Kamalanathan, I; Petrovski, Z; Branco, LC; Najdanovic-Visak, V. 2018. Novel aqueous biphasic system based on ethyl lactate for sustainable separations: Phase splitting mechanism. JOURNAL OF MOLECULAR LIQUIDS, 262, 37-45. DOI: 10.1016/j.molliq.2018.03.119
Jordao, N; Cruz, H; Pina, F; Branco, LC. 2018. Studies of bipyridinium ionic liquids and deep eutectic solvents as electrolytes for electrochromic devices. ELECTROCHIMICA ACTA, 283, 718-726. DOI: 10.1016/j.electacta.2018.04.179
Slavcheva, S; Mendoza, J; Stanimirov, S; Petkov, I; Basilio, N; Pina, F; Petrov, V. 2018. On the multistate of 2 '-hydroxyflavylium-flavanone system. Illustrating the concept of a timer with reset at the molecular level. DYES AND PIGMENTS, 158, 465-473. DOI: 10.1016/j.dyepig.2018.05.066
Bencini, A; Berni, E; Bianchi, A; Fornasari, P; Giorgi, C; Lima, JC; Lodeiro, C; Melo, MJ; De Melo, JS; Parola, AJ; Pina, F; Pina, J; Valtancoli, B. 2004. A fluorescent chemosensor for Zn(II). Exciplex formation in solution and the solid state. DALTON TRANSACTIONS, 2180-2187. DOI: 10.1039/b403743j
Pina, F; Melo, MJ; Santos, H; Lima, JC; Abreu, I; Ballardini, R; Maestri, M. 1998. Excited state proton transfer in synthetic flavylium salts: 4-methyl-7-hydroxyflavylium and 4′,7-dihydroxyflavylium Example of a four-level molecular device to invert the population of the excited state. NEW JOURNAL OF CHEMISTRY, 22(10), 1093-1098. DOI:
Pina, F; Roque, A; Melo, MJ; Maestri, M; Belladelli, L; Balzani, V. 1998. Multistate/multifunctional molecular-level systems: Light and pH switching between the various forms of a synthetic flavylium salt. Chemistry – A European Journal, 4(7), 1184-1191. DOI: 10.1002/(SICI)1521-3765(19980710)4:7<1184::AID-CHEM1184>3.0.CO;2-6
Pina, F; Melo, MJ; Maestri, M; Ballardini, R; Balzani, V. 1997. Photochromism of 4'-methoxyflavylium perchlorate. A 'write-lock-read- unlock-erase' molecular switching system. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 119(24), 5556-5561. DOI: 10.1021/ja9704646
Pina, F; Benedito, L; Mélo, MJ; Parola, AJ; Lima, JC; Maçanita, AL. 1997. Structural transformations of the synthetic salt 4', 7-dihydroxyflavylium chloride in acid and basic aqueous solutions. Part 1 - Ground state. Anales de Quimica, 93(2), 111-118. DOI:
Pina, F; Melo, MJ; Ballardini, R; Flamigni, L; Maestri, M. 1997. Flash photolysis of 4′,7-dihydroxyflavylium perchlorate. NEW JOURNAL OF CHEMISTRY, 21(9), 969-976. DOI:
Maestri, M; Ballardini, R; Pina, F; Melo, MJ. 1997. An easy and inexpensive flash spectroscopy experiment. JOURNAL OF CHEMICAL EDUCATION, 74(11), 1314-1316. DOI:
Pina, F; Benedito, L; Melo, MJ; Parola, AJ; Bernardo, A. 1996. Photochemistry of 3,4′-dimethoxy-7-hydroxyflavylium chloride: Photochromism and excited-state proton transfer. Journal of the Chemical Society-Faraday Transactions, 92(10), 1693-1699. DOI:
Melo, MJ; Melo, E; Pina, F. 1994. Determination of acid-base equilibria of organic pollutants: The steady state fluorescence emission method. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, 26(4), 510-520. DOI: 10.1007/BF00214155
Melo, MJ; Bernardo, MA; Melo, EC; Pina, F. 1996. Shape of acid-base fluorescence emission titration curves in the presence of buffer and quenching effects. Journal of the Chemical Society-Faraday Transactions, 92(6), 957-968. DOI:
Melo, MJ; Maçanita, AL; Melo, E; Wamhoff, H; Pina, F. 1994. Photophysical properties and photodegradation mechanism of 2-(2′-furanyl)-1H-benzimidazole (Fuberidazole). JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 83(3), 237-244. DOI:
Pina, F; Melo, MJ; Parola, AJ; Maestri, M; Balzani, V. 1998. pH-Controlled photochromism of hydroxyflavylium ions. Chemistry – A European Journal, 4(10), 2001-2007. DOI: 10.1002/(SICI)1521-3765(19981002)4:10<2001::AID-CHEM2001>3.0.CO;2-P
Pina, F; Melo, MJ; Bernardo, MA; Luis, SV; García-España, E. 1999. Chemosensors displaying pH controlled multistage fluorescence emission. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 126(1-3), 65-69. DOI:
Melo, MJ; Bracci, S; Camaiti, M; Chiantore, O; Piacenti, F. 1999. Photodegradation of acrylic resins used in the conservation of stone. POLYMER DEGRADATION AND STABILITY, 66(1), 23-30. DOI: 10.1016/S0141-3910(99)00048-8
Pina, F; Melo, MJ; Maestri, M; Passaniti, P; Camaioni, N; Balzani, V. 1999. Photo- and pH-induced transformations of flavylium cation: 'Write-lock- read-unlock-erase' cycles. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 3199-3207. DOI:
Albelda, MT; Bernardo, MA; Garcia-España, E; Godino-Salido, ML; Luis, SV; Melo, MJ; Pina, F; Soriano, C. 1999. Thermodynamics and fluorescence emission studies on potential molecular chemosensors for ATP recognition in aqueous solution. Journal of the Chemical Society, Perkin Transactions 2, 2545-2549. DOI:
Bracci, S; Melo, MJ. 2003. Correlating natural ageing and Xenon irradiation of Paraloid® B72 applied on stone. POLYMER DEGRADATION AND STABILITY, 80(3), 533-541. DOI: 10.1016/S0141-3910(03)00037-5
Melo, MJ; Moura, S; Maestri, M; Pina, F. 2002. Micelle effects on multistate/multifunctional systems based on photochromic flavylium compounds. The case of luteolinidin. JOURNAL OF MOLECULAR STRUCTURE, 612(2-3), 245-253. DOI: 10.1016/S0022-2860(02)00095-9
Pina, F; Melo, MJ; Alves, S; Ballardini, R; Maestri, M; Passaniti, P. 2001. Micelle effect on ground and excited state proton transfer reactions involving the 4-methyl-7-hydroxyflavylium cation. NEW JOURNAL OF CHEMISTRY, 25(5), 747-752. DOI: 10.1039/b009818n
Melo, MJ; Moura, S; Roque, A; Maestri, M; Pina, F. 2000. Photochemistry of luteolinidin: "Write-lock-read-unlock-erase" with a natural compound. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 135(1), 33-39. DOI:
Pina, F; Melo, MJ; Maestri, M; Passaniti, P; Balzani, V. 2000. Artificial chemical systems capable of mimicking some elementary properties of neurons. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 122(18), 4496-4498. DOI: 10.1021/ja000190d
Melo, MJ; Moncada, MC; Pina, F. 2000. On the red colour of raspberry (Rubus idaeus). TETRAHEDRON LETTERS, 41(12), 1987-1991. DOI: 10.1016/S0040-4039(00)00080-0
Sousa, M; Melo, MJ; Casimiro, T; Aguiar-Ricardo, A. 2007. The art of CO2 for art conservation: A green approach to antique textile cleaning. GREEN CHEMISTRY, 9(9), 943-947. DOI: 10.1039/b617543k
Marques, R; Sousa, MM; Oliveira, MC; Melo, MJ. 2009. Characterization of weld (Reseda luteola L.) and spurge flax (Daphne gnidium L.) by high-performance liquid chromatography-diode array detection-mass spectrometry in Arraiolos historical textiles. JOURNAL OF CHROMATOGRAPHY A, 1216(9), 1395-1402. DOI: 10.1016/j.chroma.2008.12.083
A. Neves, E. M. Angelin, É. Roldão, M. J. Melo. . New insights into the degradation mechanism of cellulose nitrate in cinematographic films by Raman microscopy. JOURNAL OF RAMAN SPECTROSCOPY, 1-11. DOI: 10.1002/jrs.5464
C. Miliani, L. Monico, M. J. Melo, S. Fantacci, E. M. Angelin, A. Romani, K. Janssens. 2018. Photochemistry of Artists’ Dyes and Pigments: Towards Better Understanding and Prevention of Colour Change in Works of Art. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 57, 7324-7334. DOI: 10.1002/anie.201802801
Eva Mariasole Angelin, Sara Babo, Joana Lia Ferreira, Maria João Melo. . Raman microscopy for the identification of pearlescent pigments in acrylic works of art. JOURNAL OF RAMAN SPECTROSCOPY, 1-11. DOI: 10.1002/jrs.5431
Tatiana Vitorino, Andrea Casini, Costanza Cucci, Maria J. Melo, Marcello Picollo, Lorenzo Stefani. 2015. Non-invasive identification of traditional red lake pigments in fourteenth to sixteenth centuries paintings through the use of hyperspectral imaging technique. APPLIED PHYSICS B-LASERS AND OPTICS. DOI: 10.1007/s00339-015-9360-4
Teixeira, E; Lima, JC; Parola, AJ; Branco, PS. 2018. Incorporation of Coumarin-Based Fluorescent Monomers into Co-Oligomeric Molecules. Polymers, 10(4). DOI: 10.3390/polym10040396
Vitorino, T; Melo, MJ; Carlyle, L; Otero, V. 2016. New insights into brazilwood lake pigments manufacture through the use of historically accurate reconstructions. STUDIES IN CONSERVATION, 61(5), 255-273. DOI: 10.1179/2047058415Y.0000000006
V Otero; M Vilarigues; L Carlyle; MCotte; WDe Nolf; MJMelo. 2018. A little key to oxalate formation in oil paints: protective patina or chemical reactor?. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 3(17), 266-270. DOI: 10.1039/c7pp00307b
Pingarilho, M; Oliveira, NG; Martins, C; Gomes, BC; Fernandes, AS; Martins, V; Labilloy, A; de Lima, JP; Rueff, J; Gaspar, JF. 2013. Induction of sister chromatid exchange by acrylamide and glycidamide in human lymphocytes: Role of polymorphisms in detoxification and DNA-repair genes in the genotoxicity of glycidamide. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS, 752, 1-7. DOI: 10.1016/j.mrgentox.2012.12.013
Ory, N; Chagnon, C; Felix, F; Fernandez, C; Ferreira, JL; Gallardo, C; Ordonez, OG; Henostroza, A; Laaz, E; Mizraji, R; Mojica, H; Haro, VM; Medina, LO; Preciado, M; Sobral, P; Urbina, MA; Thiel, M. 2018. Low prevalence of microplastic contamination in planktivorous fish species from the southeast Pacific Ocean. MARINE POLLUTION BULLETIN, 127, 211-216. DOI: 10.1016/j.marpolbul.2017.12.016
Zubillaga, A; Ferreira, P; Parola, AJ; Gago, S; Basi, N. 2018. pH-Gated photoresponsive shuttling in a water-soluble pseudorotaxane. CHEMICAL COMMUNICATIONS, 54, 2743-2746. DOI: 10.1039/c8cc00688a
Araujo, P; Basilio, N; Azevedo, J; Fernandes, A; Mateus, N; Pina, F; de Freitas, V; Oliveira, J. 2018. Colour modulation of blue anthocyanin-derivatives. Lignosulfonates as a tool to improve the water solubility of natural blue dyes. DYES AND PIGMENTS, 153, 150-159. DOI: 10.1016/j.dyepig.2018.02.019
Montagner, C; Linhares, JMM; Vilarigues, M; Melo, MJ; Nascimento, SMC. 2018. Supporting history of art with colorimetry: The paintings of Amadeo de Souza-Cardoso. COLOR RESEARCH AND APPLICATION, 43, 304-310. DOI: 10.1002/col.22189
Albelda, MT; Garcia-Espana, E; Gil, L; Lima, JC; Lodeiro, C; de Melo, JS; Melo, MJ; Parola, AJ; Pina, F; Soriano, C. 2003. Intramolecular excimer formation in a tripodal polyamine receptor containing three naphthalene fluorophores. JOURNAL OF PHYSICAL CHEMISTRY B, 107, 6573-6578. DOI: 10.1021/jp0343032
de Melo, JS; Pina, J; Pina, F; Lodeiro, C; Parola, AJ; Lima, JC; Albelda, MT; Clares, MP; Garcia-Espana, E; Soriano, C. 2003. Energetics and dynamics of naphthalene polyaminic derivatives. Influence of structural design in the balance static vs dynamic excimer formation. JOURNAL OF PHYSICAL CHEMISTRY A, 107, 11307-11318. DOI: 10.1021/jp036149p
Moncada, MC; Parola, AJ; Lodeiro, C; Pina, F; Maestri, M; Balzani, V. 2004. Multistate/multifunctional behaviour of 4 '-hydroxy-6-nitroflavylium: A write-lock/read/unlock/enable-erase/erase cycle driven by light and pH stimulation. CHEMISTRY-A EUROPEAN JOURNAL, 10, 1519-1526. DOI: 10.1002/chem.200305348
Schafer, T; Branco, LC; Fortunato, R; Izak, P; Rodrigues, CM; Afonso, CAM; Crespo, JG. 2005. Opportunities for membrane separation processes using ionic liquids. GAS-EXPANDED LIQUIDS AND NEAR-CRITICAL MEDIA: GREEN CHEMISTRY AND ENGINEERING, 902, 97-110. DOI:
Lodeiro, C; Lima, JC; Parola, AJ; de Melo, JSS; Capelo, JL; Covelo, B; Tamayo, A; Pedras, B. 2006. Intramolecular excimer formation and sensing behavior of new fluorimetric probes and their interactions with metal cations and barbituric acids. SENSORS AND ACTUATORS B-CHEMICAL, 115, 276-286. DOI: 10.1016/j.snb.2005.09.010
Sousa, MM; Miguel, C; Rodrigues, I; Parola, AJ; Pina, F; de Melo, JSS; Melo, MJ. 2008. A photochemical study on the blue dye indigo: from solution to ancient Andean textiles. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 7, 1353-1359. DOI: 10.1039/b809578g
Claro, A; Melo, MJ; Schafer, S; de Melo, JSS; Pina, F; van den Berg, KJ; Burnstock, A. 2008. The use of microspectrofluorimetry for the characterization of lake pigments. TALANTA, 74, 922-929. DOI: 10.1016/j.talanta.2007.07.036
Petrov, V; Gomes, R; Parola, AJ; Jesus, A; Laia, CAT; Pina, F. 2008. 2 '-hydroxyflavylium: introducing flavanones into the flavylium network of chemical reactions. TETRAHEDRON, 64, 714-720. DOI: 10.1016/j.tet.2007.11.007
Pina, F; Hatton, TA. 2008. Photochromic soft materials: Flavylium compounds incorporated into pluronic F-127 hydrogel matrixes. LANGMUIR, 24, 2356-2364. DOI: 10.1021/la702733d
Barbazan, P; Carballo, R; Covelo, B; Lodeiro, C; Lima, JC; Vazquez-Lopez, EM. 2008. Synthesis, characterization, and photophysical properties of 2-hydroxybenzaldehyde [(1E)-1-pyridin-2-ylethylidene]hydrazone and its rhenium(I) complexes. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2713-2720. DOI: 10.1002/ejic.200701199
Nunez, C; Oliveira, E; Giestas, L; Valencia, L; Macias, A; Lima, JC; Bastida, R; Lodeiro, C. 2008. Synthesis, spectroscopic, structural and complexation studies of a new tetra-naphthylmethylene pendant-armed macrocyclic ligand. INORGANICA CHIMICA ACTA, 361, 2183-2194. DOI: 10.1016/j.ica.2007.11.024
Rodriguez, L; Lima, JC; Parola, AJ; Pina, F; Meitz, R; Aucejo, R; Garcia-Espana, E; Llinares, JM; Soriano, C; Alarcon, J. 2008. Anion detection by fluorescent Zn(II) complexes of functionalized polyamine ligands. INORGANIC CHEMISTRY, 47, 6173-6183. DOI: 10.1021/ic7023956
Bazzicalupi, C; Bencini, A; Bianchi, A; Danesi, A; Faggi, E; Giorgi, C; Lodeiro, C; Oliveira, E; Pina, F; Valtancoli, B. 2008. Interaction of polyamine macrocycles with Zn(II) and ATP in aqueous solution. Binary and ternary systems. A potentiometric, NMR and fluorescence emission study. INORGANICA CHIMICA ACTA, 361, 3410-3419. DOI: 10.1016/j.ica.2008.02.056
Burguete, MI; Galindo, F; Gavara, R; Izquierdo, MA; Lima, JC; Luis, SV; Parola, AJ; Pina, F. 2008. Use of fluorescence spectroscopy to study polymeric materials with porous structure based on imprinting by self-assembled fibrillar networks. LANGMUIR, 24, 9795-9803. DOI: 10.1021/la801342f
Sousa, MM; Melo, MJ; Parola, AJ; de Melo, JSS; Catarino, F; Pina, F; Cook, FEM; Simmonds, MSJ; Lopes, JA. 2008. Flavylium chromophores as species markers for dragon's blood resins from Dracaena and Daemonorops trees. JOURNAL OF CHROMATOGRAPHY A, 1209, 153-161. DOI: 10.1016/j.chroma.2008.09.007
Frade, RFM; Rosatella, AA; Marques, CS; Branco, LC; Kulkarni, PS; Mateus, NMM; Afonso, CAM; Duarte, CMM. 2009. Toxicological evaluation on human colon carcinoma cell line (CaCo-2) of ionic liquids based on imidazolium, guanidinium, ammonium, phosphonium, pyridinium and pyrrolidinium cations. GREEN CHEMISTRY, 11, 1660-1665. DOI: 10.1039/b914284n
Petrov, V; Gomes, R; Parola, AJ; Pina, F. 2009. Flash photolysis and stopped flow studies of the 2'-methoxyflavylium network in aq. acidic and alkaline solution. DYES AND PIGMENTS, 80, 149-155. DOI: 10.1016/j.dyepig.2008.06.005
Branco, LC; Pina, F. 2009. Intrinsically photochromic ionic liquids. CHEMICAL COMMUNICATIONS, 6204-6206. DOI: 10.1039/b907672g
Petrov, V; Laia, CAT; Pina, F. 2009. Photochromism of 7,4 '-Dihydroxyflavylium in an AOT Reversed Micelle System. LANGMUIR, 25, 594-601. DOI: 10.1021/la802587d
Diniz, AM; Gomes, R; Parola, AJ; Laia, CAT; Pina, F. 2009. Photochemistry of 7-Hydroxy-2-(4-hydroxystyryl)-1-benzopyrylium and Related Compounds. JOURNAL OF PHYSICAL CHEMISTRY B, 113, 719-727. DOI: 10.1021/jp807024d
Gomes, R; Diniz, AM; Jesus, A; Parola, AJ; Pina, F. 2009. The synthesis and reaction network of 2-styryl-1-benzopyrylium salts: An unexploited class of potential colorants. DYES AND PIGMENTS, 81, 69-79. DOI: 10.1016/j.dyepig.2008.09.007
Lodeiro, C; Pina, F. 2009. Luminescent and chromogenic molecular probes based on polyamines and related compounds. COORDINATION CHEMISTRY REVIEWS, 253, 1353-1383. DOI: 10.1016/j.ccr.2008.09.008
Cano, M; Rodriguez, L; Lima, JC; Pina, F; Cort, AD; Pasquini, C; Schiaffino, L. 2009. Specific Supramolecular Interactions between Zn2+-Salophen Complexes and Biologically Relevant Anions. INORGANIC CHEMISTRY, 48, 6229-6235. DOI: 10.1021/ic900557n
Gomes, R; Laia, CAT; Pina, F. 2009. On the Mechanism of Photochromism of 4 '-N,N-Dimethylamino-7-hydroxyflavylium in Pluronic F127. JOURNAL OF PHYSICAL CHEMISTRY B, 113, 11134-11146. DOI: 10.1021/jp902972q
Rodriguez, L; Delgado-Pinar, E; Sornosa-Ten, A; Alarcon, J; Garcia-Espana, E; Cano, M; Lima, JC; Pina, F. 2009. Effect of Water/Carboxymethylcellulose Gel on the Excimer Formation of Polyamine Ligands Functionalized with Naphthalene. JOURNAL OF PHYSICAL CHEMISTRY B, 113, 15455-15459. DOI: 10.1021/jp907490w
Miguel, C; Claro, A; Goncalves, AP; Muralha, VSF; Melo, MJ. 2009. A study on red lead degradation in a medieval manuscript Lorvao Apocalypse (1189). JOURNAL OF RAMAN SPECTROSCOPY, 40, 1966-1973. DOI: 10.1002/jrs.2350
Vega, D; Cardoso, IP; Carlyle, L. 2018. Painting on copper: research on the materials and techniques used on ground layer according to historical treatises and analytical study of two paintings attributed to the Portuguese and Flemish schools. CONSERVAR PATRIMONIO, 23-35. DOI: 10.14568/cp2016040
Melo, MJ; Nevin, A; Baglioni, P. 2018. Special issue of Pure and Applied Chemistry devoted to 'Chemistry and Cultural Heritage' Preface. PURE AND APPLIED CHEMISTRY, 90, 429-433. DOI: 10.1515/pac-2018-0106
Nabais, P; Melo, MJ; Lopes, JA; Vitorino, T; Neves, A; Castro, R. 2018. Microspectrofluorimetry and chemometrics for the identification of medieval lake pigments. HERITAGE SCIENCE, 6. DOI: 10.1186/s40494-018-0178-1
Araujo, R; Nabais, P; Cardoso, IP; Casanova, C; Lemos, A; Melo, MJ. 2018. Silver paints in medieval manuscripts: a first molecular survey into their degradation. HERITAGE SCIENCE, 6. DOI: 10.1186/s40494-018-0172-7
Mendoz, J; Pina, F; Basilio, N; Guimaraes, M; de Freitas, V; Cruz, L. 2018. Extending the stability of red and blue colors of malvidin-3-glucoside-lipophilic derivatives in the presence of SDS micelles. DYES AND PIGMENTS, 151, 321-326. DOI: 10.1016/j.dyepig.2018.01.007
Jordao, N; Cruz, H; Branco, A; Pina, F; Branco, LC. 2017. Bis(bipyridinium) Salts as Multicolored Electrochromic Devices. ChemPlusChem, 82, 1211-1217. DOI: 10.1002/cplu.201700229
Amorim, PM; Ferraria, AM; Colaco, R; Branco, LC; Saramago, B. 2017. Imidazolium-based ionic liquids used as additives in the nanolubrication of silicon surfaces. Beilstein Journal of Nanotechnology, 8, 1961-1971. DOI: 10.3762/bjnano.8.197
de Sa, SF; Ferreira, JL; Cardoso, IP; Macedo, R; Ramos, AM. 2017. Shedding new light on polyurethane degradation: Assessing foams condition in design objects. POLYMER DEGRADATION AND STABILITY, 144, 354-365. DOI: 10.1016/j.polymdegradstab.2017.08.028
Basilio, N; Lima, JC; Cruz, L; de Freitas, V; Pina, F; Ando, H; Kimura, Y; Oyama, KI; Yoshida, K. 2017. Unveiling the 6,8-Rearrangement in 8-Phenyl-5,7-dihydroxyflavylium and 8-Methyl-5,7-dihydroxyflavylium through Host-Guest Complexation. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 5617-5626. DOI: 10.1002/ejoc.201701009
Sousa, JLC; Gomes, V; Mateus, N; Pina, F; de Freitas, V; Cruz, L. 2017. Synthesis and equilibrium multistate of new pyrano-3-deoxyanthocyanin-type pigments in aqueous solutions. TETRAHEDRON, 73, 6021-6030. DOI: 10.1016/j.tet.2017.08.051
de Azevedo, CR; von Stosch, M; Costa, MS; Ramos, AM; Cardoso, MM; Danhier, F; Preat, V; Oliveira, R. 2017. Modeling of the burst release from PLGA micro- and nanoparticles as function of physicochemical parameters and formulation characteristics. INTERNATIONAL JOURNAL OF PHARMACEUTICS, 532, 229-240. DOI: 10.1016/j.ijpharm.2017.08.118
Aliprandi, A; Moreira, T; Anichini, C; Stoeckel, MA; Eredia, M; Sassi, U; Bruna, M; Pinheiro, C; Laia, CAT; Bonacchi, S; Samori, P. 2017. Hybrid Copper-Nanowire-Reduced-Graphene-Oxide Coatings: A "Green Solution" Toward Highly Transparent, Highly Conductive, and Flexible Electrodes for (Opto)Electronics. ADVANCED MATERIALS, 29. DOI: 10.1002/adma.201703225
Otero, V; Campos, MF; Pinto, JV; Vilarigues, M; Carlyle, L; Melo, MJ. 2017. Barium, zinc and strontium yellows in late 19th-early 20th century oil paintings. HERITAGE SCIENCE, 5. DOI: 10.1186/s40494-017-0160-3
Lourenco, PM; Serra-Goncalves, C; Ferreira, JL; Catry, T; Granadeiro, JP. 2017. Plastic and other microfibers in sediments, macroinvertebrates and shorebirds from three intertidal wetlands of southern Europe and west Africa. ENVIRONMENTAL POLLUTION, 231, 123-133. DOI: 10.1016/j.envpol.2017.07.103
Monteiro, B; Nabais, AR; Paz, FAA; Cabrita, L; Branco, LC; Marrucho, IM; Neves, LA; Pereira, CCL. 2017. Membranes with a low loading of Metal-Organic Framework-Supported Ionic Liquids for CO2/N-2 separation in CO2 capture. Energy Technology, 5, 2158-2162. DOI: 10.1002/ente.201700228
Florindo, C; Oliveira, MM; Branco, LC; Marrucho, IM. 2017. Carbohydrates-based deep eutectic solvents: Thermophysical properties and rice straw dissolution. JOURNAL OF MOLECULAR LIQUIDS, 247, 441-447. DOI: 10.1016/j.molliq.2017.09.026
Pereira, C; Ferreira, IMPLVO; Branco, LC; Sandu, ICA; Busani, T. 2013. Atomic Force Microscopy as a valuable tool in an innovative multi-scale and multi-technique non-invasive approach to surface cleaning monitoring. YOUTH IN THE CONSERVATION OF CULTURAL HERITAGE, YOCOCU 2012, 8, 258-268. DOI: 10.1016/j.proche.2013.03.032
Silva, JP; Araujo, D; Parola, AJ; Lima, JC; Nabais, F; Cardoso, N. 2014. Using Distinctive Colour Signatures to Capture Team Behaviour During Matches. ENGINEERING OF SPORT 10, 72, 238-242. DOI: 10.1016/j.proeng.2014.06.042
Correia, N; Romao, T; Ricardo, A; Mota, T; Melo, MJ; Castro, R; Carvalho, R; Miranda, A. 2014. Design of an Interactive Experience with Medieval Illuminations: A Journey into the Beauty and Meaning of Medieval Portuguese Manuscripts. ACM Journal on Computing and Cultural Heritage, 7. DOI: 10.1145/2626289
Lima, JC; Rodriguez, L. 2015. Supramolecular Gold Metallogelators: The Key Role of Metallophilic Interactions. INORGANICS, 3, 1-18. DOI: 10.3390/inorganics3010001
Alves, AC; Nunes, C; Reis, S; Lima, JC. 2015. A biophysical approach to unveil anticancer drug-membrane interactions' effects. EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS, 44, S189-S189. DOI:
Nascimento, SMC; Linhares, JMM; Joao, CAR; Amano, K; Montagner, C; Melo, MJ; Vilarigues, M; de Freitas, MH; Alfaro, C; Bailao, A. 2015. The preferred chromatic composition of unfamiliar paintings is similar to original. PERCEPTION, 44, 134-134. DOI:
Huang, RJ; Avo, J; Northey, T; Chaning-Pearce, E; dos Santos, PL; Ward, JS; Data, P; Etherington, MK; Fox, MA; Penfold, TJ; Berberan-Santos, MN; Lima, JC; Bryce, MR; Dias, FB. 2017. The contributions of molecular vibrations and higher triplet levels to the intersystem crossing mechanism in metal-free organic emitters. Journal of Materials Chemistry C, 5, 6269-6280. DOI: 10.1039/c7tc01958k
Gago, S; Basilio, N; Quintas, A; Pina, F. 2017. Effect of beta-Cyclodextrin on the Multistate Species Distribution of 3-Methoxy-4',7-dihydroxyflavylium. Discrimination of the Two Hemiketal Enantiomers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 65, 6346-6358. DOI: 10.1021/acs.jafc.6b04892
Castanheiro, JE; Fonseca, IM; Ramos, AM; Vital, J. 2017. Tungstophosphoric acid immobilised in SBA-15 as an efficient heterogeneous acid catalyst for the conversion of terpenes and free fatty acids. MICROPOROUS AND MESOPOROUS MATERIALS, 249, 16-24. DOI: 10.1016/j.micromeso.2017.04.047
Pereira, CCL; Lima, JC; Moro, AJ; Monteiro, B. 2017. Layered europium hydroxide system for phosphorous sensing and remediation. APPLIED CLAY SCIENCE, 146, 216-222. DOI: 10.1016/j.clay.2017.06.002
Florindo, C; Branco, LC; Marrucho, IM. 2017. Development of hydrophobic deep eutectic solvents for extraction of pesticides from aqueous environments. FLUID PHASE EQUILIBRIA, 448, 135-142. DOI: 10.1016/j.fluid.2017.04.002
Jordao, N; Cruz, H; Branco, A; Pina, F; Branco, LC. 2015. Electrochromic Devices Based on Disubstituted Oxo-Bipyridinium Ionic Liquids. ChemPlusChem, 80, 202-208. DOI: 10.1002/cplu.201402232
Moro, AJ; Rome, B; Aguilo, E; Arcau, J; Puttreddy, R; Rissanen, K; Lima, JC; Rodriguez, L. 2015. A coumarin based gold(I)-alkynyl complex: a new class of supramolecular hydrogelators. ORGANIC & BIOMOLECULAR CHEMISTRY, 13, 2026-2033. DOI: 10.1039/c4ob02077d
Jordao, N; Cruz, H; Branco, A; Pinheiro, C; Pina, F; Branco, LC. 2015. Switchable electrochromic devices based on disubstituted bipyridinium derivatives. RSC Advances, 5, 27867-27873. DOI: 10.1039/c5ra02368h
Carrera, GVSM; Jordao, N; Santos, MM; da Ponte, MN; Branco, LC. 2015. Reversible systems based on CO2, amino-acids and organic superbases. RSC Advances, 5, 35564-35571. DOI: 10.1039/c5ra03474d
Viciosa, MT; Santos, G; Costa, A; Danede, F; Branco, LC; Jordao, N; Correia, NT; Dionisio, M. 2015. Dipolar motions and ionic conduction in an ibuprofen derived ionic liquid. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 17, 24108-24120. DOI: 10.1039/c5cp03715h
Delgado, JM; Raymundo, A; Vilarigues, M; Branco, LC; Laia, CAT. 2015. Characterization of a Novel Intrinsic Luminescent Room-Temperature Ionic Liquid Based on [P-6,P-6,P-6,P-14][ANS]. CHEMISTRY-A EUROPEAN JOURNAL, 21, 726-732. DOI: 10.1002/chem.201402534
Cruz, L; Basilio, N; Mateus, N; Pina, F; de Freitas, V. 2015. Characterization of Kinetic and Thermodynamic Parameters of Cyanidin-3-glucoside Methyl and Glucuronyl Metabolite Conjugates. JOURNAL OF PHYSICAL CHEMISTRY B, 119, 2010-2018. DOI: 10.1021/jp511537e
Basilio, N; Laia, CAT; Pina, F. 2015. Excited-State Proton Transfer in Confined Medium. 4-Methy1-7-hydroxyflavylium and beta-Naphthol Incorporated in Cucurbit[7]uril. JOURNAL OF PHYSICAL CHEMISTRY B, 119, 2749-2757. DOI: 10.1021/jp511351w
Petrov, V; Slavcheva, S; Stanimirov, S; Pina, F. 2015. Origin of the Metastable Stability in Flavylium Multistate Systems. JOURNAL OF PHYSICAL CHEMISTRY A, 119, 2908-2918. DOI: 10.1021/acs.jpca.5b01473
Coutinho, IB; Freitas, A; Macanita, AL; Lima, JC. 2015. Effect of water content on the acid-base equilibrium of cyanidin-3-glucoside. FOOD CHEMISTRY, 172, 476-480. DOI: 10.1016/j.foodchem.2014.09.060
Tiago, G; Restolho, J; Forte, A; Colaco, R; Branco, LC; Saramago, B. 2015. Novel ionic liquids for interfacial and tribological applications. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 472, 1-8. DOI: 10.1016/j.colsurfa.2015.02.030
Pereira, CCL; Coutinho, JT; Pereira, LCJ; Leal, JP; Laia, CAT; Monteiro, B. 2015. Dy, Tb, Gd and Eu complexes with low melting point and magnetic behavior. POLYHEDRON, 91, 42-46. DOI: 10.1016/j.poly.2015.02.026
Costa, D; Galvao, AM; Di Paolo, RE; Freitas, AA; Lima, JC; Quina, FH; Macanita, AL. 2015. Photochemistry of the hemiketal form of anthocyanins and its potential role in plant protection from UV-B radiation. TETRAHEDRON, 71, 3157-3162. DOI: 10.1016/j.tet.2014.06.092
Pina, F; Oliveira, J; de Freitas, V. 2015. Anthocyanins and derivatives are more than flavylium cations. TETRAHEDRON, 71, 3107-3114. DOI: 10.1016/j.tet.2014.09.051
Avo, J; Cidade, MT; Rodriguez, V; Lima, JC; Parola, AJ. 2015. Photorheological Ionic Liquids. JOURNAL OF PHYSICAL CHEMISTRY B, 119, 6680-6685. DOI: 10.1021/acs.jpcb.5b00254
Carrera, GVSM; Jordao, N; Branco, LC; da Ponte, MN. 2015. CO2 capture and reversible release using mono-saccharides and an organic superbase. JOURNAL OF SUPERCRITICAL FLUIDS, 105, 151-157. DOI: 10.1016/j.supflu.2015.02.015
Cruz, LM; Basilio, NM; de Freitas, VA; Lima, JC; Pina, FJ. 2016. Extending the Study of the 6,8 Rearrangement in Flavylium Compounds to Higher pH Values: Interconversion between 6-Bromo and 8-Bromo-apigeninidin. ChemistryOpen, 5, 236-246. DOI: 10.1002/open.201500210
Sequeira, SO; Coutinho, ML; Lima, JC; Phillips, AJL; Macedo, MF; Cabrita, EJ. 2016. 4-MUF-NAG for fungal biomass determination: Scope and limitations in the context of biodeterioration studies. JOURNAL OF CULTURAL HERITAGE, 22, 992-998. DOI: 10.1016/j.culher.2016.06.002
Gomes, R; Albuquerque, RQ; Pina, F; Parola, J; De Cola, L. 2010. Supramolecular host-guest flavylium-loaded zeolite L hybrid materials: network of reactions of encapsulated 7,4 '-dihydroxyflavylium. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 9, 991-995. DOI: 10.1039/c0pp00022a
Claro, A; Melo, MJ; de Melo, JSS; van den Berg, KJ; Burnstock, A; Montague, M; Newman, R. 2010. Identification of red colorants in van Gogh paintings and ancient Andean textiles by microspectrofluorimetry. JOURNAL OF CULTURAL HERITAGE, 11, 27-34. DOI: 10.1016/j.culher.2009.03.006
Branco, A; Pinheiro, C; Fonseca, J; Tedim, J; Carneiro, A; Parola, AJ; Freire, C; Pina, F. 2010. Solid-State Electrochromic Cells Based on [M(salen)]-Derived Electroactive Polymer Films. ELECTROCHEMICAL AND SOLID STATE LETTERS, 13, J114-J118. DOI: 10.1149/1.3457474
Bazzicalupi, C; Biagini, S; Bianchi, A; Faggi, E; Gratteri, P; Mariani, P; Pina, F; Valtancoli, B. 2010. Binding of H+ and Zn(II) ions with a new fluorescent macrocyclic phenanthrolinophane. DALTON TRANSACTIONS, 39, 10128-10136. DOI: 10.1039/c0dt00534g
Gavara, R; Laia, CAT; Parola, AJ; Pina, F. 2010. Formation of a leuco Spirolactone from 4-(2-Carboxyphenyl)-7-diethylamino-4 '-dimethylamino-1-benzopyrylium: Design of a Phase-Change Thermochromic System Based on a Flavylium Dye. CHEMISTRY-A EUROPEAN JOURNAL, 16, 7760-7766. DOI: 10.1002/chem.200903482
Pito, DS; Matos, I; Fonseca, IM; Ramos, AM; Vital, J; Castanheiro, JE. 2010. Methoxylation of alpha-pinene over heteropolyacids immobilized in silica. APPLIED CATALYSIS A-GENERAL, 373, 140-146. DOI: 10.1016/j.apcata.2009.11.006
Carrera, GVSM; Afonso, CAM; Branco, LC. 2010. Interfacial Properties, Densities, and Contact Angles of Task Specific Ionic Liquids. JOURNAL OF CHEMICAL AND ENGINEERING DATA, 55, 609-615. DOI: 10.1021/je900502s
Ferreira, JL; Melo, MJ; Ramos, AM. 2010. Poly(vinyl acetate) paints in works of art: A photochemical approach. Part 1. POLYMER DEGRADATION AND STABILITY, 95, 453-461. DOI: 10.1016/j.polymdegradstab.2010.01.015
Melo, MJ; Claro, A. 2010. Bright Light: Microspectrofluorimetry for the Characterization of Lake Pigments and Dyes in Works of Art. ACCOUNTS OF CHEMICAL RESEARCH, 43, 857-866. DOI: 10.1021/ar9001894
Serbanovic, A; Petrovski, Z; Manic, M; Marques, CS; Carrera, GVSM; Branco, LC; Afonso, CAM; da Ponte, MN. 2010. Melting behaviour of ionic salts in the presence of high pressure CO2. FLUID PHASE EQUILIBRIA, 294, 121-130. DOI: 10.1016/j.fluid.2010.03.015
Ferreira, P; Fonseca, IM; Ramos, AM; Vital, J; Castanheiro, JE. 2010. Valorisation of glycerol by condensation with acetone over silica-included heteropolyacids. APPLIED CATALYSIS B-ENVIRONMENTAL, 98, 94-99. DOI: 10.1016/j.apcatb.2010.05.018
Cruz, L; Petrov, V; Teixeira, N; Mateus, N; Pina, F; de Freitas, V. 2010. Establishment of the Chemical Equilibria of Different Types of Pyranoanthocyanins in Aqueous Solutions: Evidence for the Formation of Aggregation in Pyranomalvidin-3-O-coumaroylglucoside-(+)-catechin. JOURNAL OF PHYSICAL CHEMISTRY B, 114, 13232-13240. DOI: 10.1021/jp1045673
Teixeira, J; Silva, AR; Branco, LC; Afonso, CAM; Freire, C. 2010. Asymmetric alkene epoxidation by Mn(III)salen catalyst in ionic liquids. INORGANICA CHIMICA ACTA, 363, 3321-3329. DOI: 10.1016/j.ica.2010.06.018
Nave, F; Petrov, V; Pina, F; Teixeira, N; Mateus, N; de Freitas, V. 2010. Thermodynamic and Kinetic Properties of a Red Wine Pigment: Catechin-(4,8)-malvidin-3-O-glucoside. JOURNAL OF PHYSICAL CHEMISTRY B, 114, 13487-13496. DOI: 10.1021/jp104749f
Guerreiro, L; Pereira, PM; Fonseca, IM; Martin-Aranda, RM; Ramos, AM; Dias, JML; Oliveira, R; Vital, J. 2010. PVA embedded hydrotalcite membranes as basic catalysts for biodiesel synthesis by soybean oil methanolysis. CATALYSIS TODAY, 156, 191-197. DOI: 10.1016/j.cattod.2010.04.046
Ventura, MG; Laia, CAT; Parola, AJ. 2010. Formation of Eu(III) Nanoparticles on Borosilicate Sol-Gel Studied with Time-Resolved Luminescence Techniques. Journal of Physical Chemistry C, 114, 18414-18422. DOI: 10.1021/jp106844t
Carrera, GVSM; Frade, RFM; Aires-de-Sousa, J; Afonso, CAM; Branco, LC. 2010. Synthesis and properties of new functionalized guanidinium based ionic liquids as non-toxic versatile organic materials. TETRAHEDRON, 66, 8785-8794. DOI: 10.1016/j.tet.2010.08.040
Pereira, M; Leal, CR; Parola, AJ; Scheven, UM. 2010. Reversible Photorheology in Solutions of Cetyltrimethylammonium Bromide, Salicylic Acid, and trans-2,4,4 '-Trihydroxychalcone. LANGMUIR, 26, 16715-16721. DOI: 10.1021/la102267d
Costa, P; Pinto, F; Ramos, AM; Gulyurtlu, I; Cabrita, I; Bernardo, MS. 2010. Study of the Pyrolysis Kinetics of a Mixture of Polyethylene, Polypropylene, and Polystyrene. ENERGY & FUELS, 24, 6239-6247. DOI: 10.1021/ef101010n
Tropecelo, AI; Casimiro, MH; Fonseca, IM; Ramos, AM; Vital, J; Castanheiro, JE. 2010. Esterification of free fatty acids to biodiesel over heteropolyacids immobilized on mesoporous silica. APPLIED CATALYSIS A-GENERAL, 390, 183-189. DOI: 10.1016/j.apcata.2010.10.007
Avo, J; Parola, AJ; Lima, JC; Pina, F; Cunha-Silva, L. 2011. Phase transition thermochromism based on C-H acidity of 4-alkylflavylium compounds in Pluronic F-127. JOURNAL OF MATERIALS CHEMISTRY, 21, 16628-16637. DOI: 10.1039/c1jm13348a
Lima, JC; Rodriguez, L. 2011. Applications of gold(I) alkynyl systems: a growing field to explore. CHEMICAL SOCIETY REVIEWS, 40, 5442-5456. DOI: 10.1039/c1cs15123a
Freitas, F; Alves, VD; Torres, CAV; Cruz, M; Sousa, I; Melo, MJ; Ramos, AM; Reis, MAM. 2011. Fucose-containing exopolysaccharide produced by the newly isolated Enterobacter strain A47 DSM 23139. CARBOHYDRATE POLYMERS, 83, 159-165. DOI: 10.1016/j.carbpol.2010.07.034
Rodriguez, L; Lima, JC; Pina, F; Cacciapaglia, R; Di Stefano, S; Ruggi, A. 2011. Photophysical Study of Naphthalenophanes: Evidence of Adduct Formation with Molecular Oxygen. JOURNAL OF PHYSICAL CHEMISTRY A, 115, 123-127. DOI: 10.1021/jp106887c
Ventura, MG; Parola, AJ; de Matos, AP. 2011. Influence of heat treatment on the colour of Au and Ag glasses produced by the sol-gel pathway. JOURNAL OF NON-CRYSTALLINE SOLIDS, 357, 1342-1349. DOI: 10.1016/j.jnoncrysol.2010.12.013
Oliveira, J; Petrov, V; Parola, AJ; Pina, F; Azevedo, J; Teixeira, N; Bras, NF; Fernandes, PA; Mateus, N; Ramos, MJ; de Freitas, V. 2011. Chemical Behavior of Methylpyranomalvidin-3-O-glucoside in Aqueous Solution Studied by NMR and UV-Visible Spectroscopy. JOURNAL OF PHYSICAL CHEMISTRY B, 115, 1538-1545. DOI: 10.1021/jp110593c
Leydet, Y; Gavara, R; Cunha-Silva, L; Parola, AJ; Pina, F. 2011. Phase-Dependent Photochromism of a Lactone-Stabilized Chromene from a Flavylium Reaction Network. CHEMISTRY-A EUROPEAN JOURNAL, 17, 3663-3671. DOI: 10.1002/chem.201002781
Ferreira, P; Fonseca, IM; Ramos, AM; Vital, J; Castanheiro, JE. 2011. Acetylation of glycerol over heteropolyacids supported on activated carbon. CATALYSIS COMMUNICATIONS, 12, 573-576. DOI: 10.1016/j.catcom.2010.11.022
Neves, P; Gago, S; Balula, SS; Lopes, AD; Valente, AA; Cunha-Silva, L; Paz, FAA; Pillinger, M; Rocha, J; Silva, CM; Goncalves, IS. 2011. Synthesis and Catalytic Properties of Molybdenum(VI) Complexes with Tris(3,5-dimethyl-1-pyrazolyl)methane. INORGANIC CHEMISTRY, 50, 3490-3500. DOI: 10.1021/ic102456z
Gavara, R; Petrov, V; Lopez, V; Pina, F. 2011. Photochromism of naphthoflavylium. On the role of 4-OH hemiketal in flavylium network. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 220, 4-10. DOI: 10.1016/j.jphotochem.2011.03.002
Diniz, AM; Pinheiro, C; Petrov, V; Parola, AJ; Pina, F. 2011. Synthesis and Characterization of a Symmetric Bis(7-hydroxyflavylium) Containing a Methyl Viologen Bridge. CHEMISTRY-A EUROPEAN JOURNAL, 17, 6359-6368. DOI: 10.1002/chem.201003726
Ferraz, R; Branco, LC; Prudencio, C; Noronha, JP; Petrovski, Z. 2011. Ionic Liquids as Active Pharmaceutical Ingredients. ChemMedChem, 6, 975-985. DOI: 10.1002/cmdc.201100082
de Sa, MH; Ferreira, JL; Melo, MJ; Ramos, AM. 2011. An AFM contribution to the understanding of surface effects caused by ageing and cleaning on acrylic glass. The Shadows by Lourdes Castro, a case study. SURFACE AND INTERFACE ANALYSIS, 43, 1165-1170. DOI: 10.1002/sia.3663
de Sa, MH; Eaton, P; Ferreira, JL; Melo, MJ; Ramos, AM. 2011. Ageing of vinyl emulsion paints - an atomic force microscopy study. SURFACE AND INTERFACE ANALYSIS, 43, 1160-1164. DOI: 10.1002/sia.3664
Branco, LC; Serbanovic, A; da Ponte, MN; Afonso, CAM. 2011. Chiral Guanidinium Ionic Liquids for Asymmetric Dihydroxylation of Olefins with Recycling of the Catalytic System by Supercritical CO2. ACS Catalysis, 1, 1408-1413. DOI: 10.1021/cs2001626
Lima, JC; Rodriguez, L. 2011. Phosphine-Gold(I) Compounds as Anticancer Agents: General Description and Mechanisms of Action. Anti-Cancer Agents in Medicinal Chemistry, 11, 921-928. DOI:
Serafim, H; Fonseca, IM; Ramos, AM; Vital, J; Castanheiro, JE. 2011. Valorization of glycerol into fuel additives over zeolites as catalysts. CHEMICAL ENGINEERING JOURNAL, 178, 291-296. DOI: 10.1016/j.cej.2011.10.004
Torres, CAV; Marques, R; Antunes, S; Alves, VD; Sousa, I; Ramos, AM; Oliveira, R; Freitas, F; Reis, MAM. 2011. Kinetics of production and characterization of the fucose-containing exopolysaccharide from Enterobacter A47. JOURNAL OF BIOTECHNOLOGY, 156, 261-267. DOI: 10.1016/j.jbiotec.2011.06.024
Pina, F; Melo, MJ; Laia, CAT; Parola, AJ; Lima, JC. 2012. Chemistry and applications of flavylium compounds: a handful of colours. CHEMICAL SOCIETY REVIEWS, 41, 869-908. DOI: 10.1039/c1cs15126f
Otero, V; Carlyle, L; Vilarigues, M; Melo, MJ. 2012. Chrome yellow in nineteenth century art: historic reconstructions of an artists' pigment. RSC Advances, 2, 1798-1805. DOI: 10.1039/c1ra00614b
Gavara, R; Leydet, Y; Petrov, V; Pina, F. 2012. Photochemistry of 2-(4-hydroxystyryl)-1-naphthopyrylium. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 11, 1691-1699. DOI: 10.1039/c2pp25104c
Gago, S; Petrov, V; Diniz, AM; Parola, AJ; Cunha-Silva, L; Pina, F. 2012. Unidirectional Switching between Two Flavylium Reaction Networks by the Action of Alternate Stimuli of Acid and Base. JOURNAL OF PHYSICAL CHEMISTRY A, 116, 372-380. DOI: 10.1021/jp209913f
Pina, F; Petrov, V; Laia, CAT. 2012. Photochromism of flavylium systems. An overview of a versatile multistate system. DYES AND PIGMENTS, 92, 877-889. DOI: 10.1016/j.dyepig.2011.03.033
Roldao, A; Mellado, MCM; Lima, JC; Carrondo, MJT; Alves, PM; Oliveira, R. 2012. On the Effect of Thermodynamic Equilibrium on the Assembly Efficiency of Complex Multi-Layered Virus-Like Particles (VLP): the Case of Rotavirus VLP. PLoS Computational Biology, 8. DOI: 10.1371/journal.pcbi.1002367
Bazzicalupi, C; Biagini, S; Bianchi, A; Faggi, E; Giorgi, C; Gratteri, P; Pina, F; Valtancoli, B. 2012. Thermodynamic and fluorescence emission properties of the Zn(II), Cd(II) and Pb(II) complexes with a fluorescent chelator bearing phenanthroline and naphthalene subunits. INORGANICA CHIMICA ACTA, 381, 229-235. DOI: 10.1016/j.ica.2011.09.027
Rodriguez, L; Lima, JC; Ferrer, M; Rossell, O; Engeser, M. 2012. 3D Au-Ag heterometallic supramolecular cage: Triplet capture by heavy atom effect. INORGANICA CHIMICA ACTA, 381, 195-202. DOI: 10.1016/j.ica.2011.09.038
Pito, DS; Fonseca, IM; Ramos, AM; Vital, J; Castanheiro, JE. 2012. Hydrolysis of sucrose over composite catalysts. CHEMICAL ENGINEERING JOURNAL, 184, 347-351. DOI: 10.1016/j.cej.2012.01.033
Mendes, A; Branco, LC; Morais, C; Simplicio, AL. 2012. Electroosmotic flow modulation in capillary electrophoresis by organic cations from ionic liquids. ELECTROPHORESIS, 33, 1182-1190. DOI: 10.1002/elps.201100486
Rodriguez, L; Ferrer, M; Crehuet, R; Anglada, J; Lima, JC. 2012. Correlation between Photophysical Parameters and Gold-Gold Distances in Gold(I) (4-Pyridyl)ethynyl Complexes. INORGANIC CHEMISTRY, 51, 7636-7641. DOI: 10.1021/ic300609f
Petrov, V; Parola, AJ; Pina, F. 2012. Isomerization between 2-(2,4-Dihydroxystyryl)-1-benzopyrylium and 7-Hydroxy-2-(4-hydroxystyryl)-1-benzopyrylium. JOURNAL OF PHYSICAL CHEMISTRY A, 116, 8107-8118. DOI: 10.1021/jp303589n
Casimiro, MH; Silva, AG; Pinto, JV; Ramos, AM; Vital, J; Ferreira, LMN. 2012. Catalytic poly(vinyl alcohol) functionalized membranes obtained by gamma irradiation. RADIATION PHYSICS AND CHEMISTRY, 81, 1314-1318. DOI: 10.1016/j.radphyschem.2012.01.036
Carrera, GVSM; da Ponte, MN; Branco, LC. 2012. Synthesis and properties of reversible ionic liquids using CO2, mono- to multiple functionalization. TETRAHEDRON, 68, 7408-7413. DOI: 10.1016/j.tet.2012.06.082
Gago, S; Petrov, V; Parola, AJ; Pina, F. 2012. Synthesis, characterization and photochromism of 3 '-butoxyflavylium derivatives. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 244, 54-64. DOI: 10.1016/j.jphotochem.2012.06.013
Oliveira, E; Capelo, JL; Lima, JC; Lodeiro, C. 2012. Novel emissive bio-inspired non-proteinogenic coumarin-alanine amino acid: fluorescent probe for polyfunctional systems. AMINO ACIDS, 43, 1779-1790. DOI: 10.1007/s00726-012-1262-6
Costa, CB; Pinheiro, C; Henriques, I; Laia, CAT. 2012. Electrochromic Properties of Inkjet Printed Vanadium Oxide Gel on Flexible Polyethylene Terephthalate/Indium Tin Oxide Electrodes. ACS Applied Materials & Interfaces, 4, 5266-5275. DOI: 10.1021/am301213b
Miguel, C; Lopes, JA; Clarke, M; Melo, MJ. 2012. Combining infrared spectroscopy with chemometric analysis for the characterization of proteinaceous binders in medieval paints. CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS, 119, 32-38. DOI: 10.1016/j.chemolab.2012.09.003
Leydet, Y; Gavara, R; Petrov, V; Diniz, AM; Parola, AJ; Lima, JC; Pina, F. 2012. The effect of self-aggregation on the determination of the kinetic and thermodynamic constants of the network of chemical reactions in 3-glucoside anthocyanins. PHYTOCHEMISTRY, 83, 125-135. DOI: 10.1016/j.phytochem.2012.06.022
Muralha, VSF; Miguel, C; Melo, MJ. 2012. Micro-Raman study of Medieval Cistercian 12-13th century manuscripts: Santa Maria de Alcobaca, Portugal. JOURNAL OF RAMAN SPECTROSCOPY, 43, 1737-1746. DOI: 10.1002/jrs.4065
Machado, J; Castanheiro, JE; Matos, I; Ramos, AM; Vital, J; Fonseca, IM. 2012. SBA-15 with sulfonic acid groups as a Green Catalyst for the acetoxylation of alpha-pinene. MICROPOROUS AND MESOPOROUS MATERIALS, 163, 237-242. DOI: 10.1016/j.micromeso.2012.07.028
Gavara, R; Llorca, J; Lima, JC; Rodriguez, L. 2013. A luminescent hydrogel based on a new Au(I) complex. CHEMICAL COMMUNICATIONS, 49, 72-74. DOI: 10.1039/c2cc37262b
Petrov, V; Gavara, R; Dangles, O; Al Bittar, S; Mora-Soumille, N; Pina, F. 2013. A flash photolysis and stopped-flow spectroscopy study of 3 ',4 '-dihydroxy-7-O-beta-D-glucopyranosyloxyflavylium chloride, an anthocyanin analogue exhibiting efficient photochromic properties. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 12, 576-581. DOI: 10.1039/c2pp25329a
Sousa, AMM; Borges, J; Silva, F; Ramos, AM; Cabrita, EJ; Goncalves, MP. 2013. Shaping the molecular assemblies of native and alkali-modified agars in dilute and concentrated aqueous media via microwave-assisted extraction. Soft Matter, 9, 3131-3139. DOI: 10.1039/c3sm27131e
Brissos, R; Ramos, D; Lima, JC; Mihan, FY; Borras, M; de Lapuente, J; Dalla Cort, A; Rodriguez, L. 2013. Luminescent zinc salophen derivatives: cytotoxicity assessment and action mechanism studies. NEW JOURNAL OF CHEMISTRY, 37, 1046-1055. DOI: 10.1039/c3nj41125g
Gago, S; Cabrita, L; Lima, JC; Branco, LC; Pina, F. 2013. Synthesis and characterization of luminescent room temperature ionic liquids based on Ru(bpy)(CN)(4)(2-). DALTON TRANSACTIONS, 42, 6213-6218. DOI: 10.1039/c2dt32218h
Calogero, G; Sinopoli, A; Citro, I; Di Marco, G; Petrov, V; Diniz, AM; Parola, AJ; Pina, F. 2013. Synthetic analogues of anthocyanins as sensitizers for dye-sensitized solar cells. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 12, 883-894. DOI: 10.1039/c3pp25347c
Pacheco, MF; Pereira, AI; Branco, LC; Parola, AJ. 2013. Varnish removal from paintings using ionic liquids. Journal of Materials Chemistry A, 1, 7016-7018. DOI: 10.1039/c3ta10679a
Petrov, V; Diniz, AM; Cunha-Silva, L; Parola, AJ; Pina, F. 2013. Kinetic and thermodynamic study of 2 '-hydroxy-8-methoxyflavylium. Reaction network interconverting flavylium cation and flavanone. RSC Advances, 3, 10786-10794. DOI: 10.1039/c3ra40846a
Ferreira, JL; Avila, MJ; Melo, MJ; Ramos, AM. 2013. Early aqueous dispersion paints: Portuguese artists' use of polyvinyl acetate, 1960s-1990s. STUDIES IN CONSERVATION, 58, 211-225. DOI: 10.1179/2047058412Y.0000000065
Aguilo, E; Gavara, R; Lima, JC; Llorca, J; Rodriguez, L. 2013. From Au(I) organometallic hydrogels to well-defined Au(0) nanoparticles. Journal of Materials Chemistry C, 1, 5538-5547. DOI: 10.1039/c3tc31168f
Basilio, N; Fernandes, A; de Freitas, V; Gago, S; Pina, F. 2013. Effect of beta-cyclodextrin on the chemistry of 3 ',4 ',7-trihydroxyflavylium. NEW JOURNAL OF CHEMISTRY, 37, 3166-3173. DOI: 10.1039/c3nj00588g
Lipinska, ME; Teixeira, DMD; Laia, CAT; Silva, AMG; Rebelo, SLH; Freire, C. 2013. beta-Functionalized zinc(II)aminoporphyrins by direct catalytic hydrogenation. TETRAHEDRON LETTERS, 54, 110-113. DOI: 10.1016/j.tetlet.2012.10.117
Caiado, M; Machado, A; Santos, RN; Matos, I; Fonseca, IM; Ramos, AM; Vital, J; Valente, AA; Castanheiro, JE. 2013. Alkoxylation of camphene over silica-occluded tungstophosphoric acid. APPLIED CATALYSIS A-GENERAL, 451, 36-42. DOI: 10.1016/j.apcata.2012.11.007
Sousa, A; Petrov, V; Araujo, P; Mateus, N; Pina, F; de Freitas, V. 2013. Thermodynamics, Kinetics, and Photochromism of Oaklins: A Recent Family of Deoxyanthocyanidins. JOURNAL OF PHYSICAL CHEMISTRY B, 117, 1901-1910. DOI: 10.1021/jp3110216
Montagner, C; Sanches, D; Pedroso, J; Melo, MJ; Vilarigues, M. 2013. Ochres and earths: Matrix and chromophores characterization of 19th and 20th century artist materials. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 103, 409-416. DOI: 10.1016/j.saa.2012.10.064
Casimiro, MH; Corvo, MC; Ramos, AM; Cabrita, EJ; Ramos, AM; Ferreira, LMN. 2013. Synthesis and characterization of novel gamma-induced porous PHEMA-IL composites. MATERIALS CHEMISTRY AND PHYSICS, 138, 11-16. DOI: 10.1016/j.matchemphys.2012.11.061
Gavara, R; Petrov, V; Quintas, A; Pina, F. 2013. Circular dichroism of anthocyanidin 3-glucoside self-aggregates. PHYTOCHEMISTRY, 88, 92-98. DOI: 10.1016/j.phytochem.2012.12.011
Pereira, CCL; Dias, S; Coutinho, I; Leal, JP; Branco, LC; Laia, CAT. 2013. Europium(III) Tetrakis(beta-diketonate) Complex as an Ionic Liquid: A Calorimetric and Spectroscopic Study. INORGANIC CHEMISTRY, 52, 3755-3764. DOI: 10.1021/ic3023024
Leydet, Y; Batat, P; Jonusauskas, G; Denisov, S; Lima, JC; Parola, AJ; McClenaghan, ND; Pina, F. 2013. Impact of Water on the Cis-Trans Photoisomerization of Hydroxychalcones. JOURNAL OF PHYSICAL CHEMISTRY A, 117, 4167-4173. DOI: 10.1021/jp402761j
Neves, CS; Granadeiro, CM; Cunha-Silva, L; Ananias, D; Gago, S; Feio, G; Carvalho, PA; Eaton, P; Balula, SS; Pereira, E. 2013. Europium Polyoxometalates Encapsulated in Silica Nanoparticles Characterization and Photoluminescence Studies. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2877-2886. DOI: 10.1002/ejic.201201482
Couto, RM; Lourenco, C; Lima, JC; Simoes, PC; Branco, LC. 2013. Studies of the Influence in Acetonitrile Polarity Using Imidazolium Ionic Liquids as Additives. JOURNAL OF CHEMICAL AND ENGINEERING DATA, 58, 1449-1453. DOI: 10.1021/je300922b
Limon, PM; Gavara, R; Pina, F. 2013. Thermodynamics and Kinetics of Cyanidin 3-Glucoside and Caffeine Copigments. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 61, 5245-5251. DOI: 10.1021/jf4006643
Moro, A; Diniz, AM; Petrov, V; Pina, F. 2013. Chemistry of 7,8-dihydroxy-2-(4-dimethylaminostyryl)-1-benzopyrylium. A photochromic system switching from yellow to green. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 263, 17-23. DOI: 10.1016/j.jphotochem.2013.04.007
Avo, J; Martins, S; Parola, AJ; Lima, JC; Branco, PS; Ramalho, JPP; Pereira, A. 2013. A Family of Styrylcoumarins: Synthesis, Spectroscopic, Photophysical and Photochemical Properties. ChemPlusChem, 78, 789-792. DOI: 10.1002/cplu.201300118
Caetano, CS; Caiado, M; Farinha, J; Fonseca, IM; Ramos, AM; Vital, J; Castanheiro, JE. 2013. Esterification of free fatty acids over chitosan with sulfonic acid groups. CHEMICAL ENGINEERING JOURNAL, 230, 567-572. DOI: 10.1016/j.cej.2013.06.050
Giannicchi, I; Brissos, R; Ramos, D; de Lapuente, J; Lima, JC; Dalla Cort, A; Rodriguez, L. 2013. Substituent Effects on the Biological Properties of Zn-Salophen Complexes. INORGANIC CHEMISTRY, 52, 9245-9253. DOI: 10.1021/ic4004356
Pina, F; Petrov, V; Laia, CAT. 2013. Photochromism of flavylium systems. An overview of a versatile multistate system (vol 92, pg 877, 2012). DYES AND PIGMENTS, 99, 256-256. DOI: 10.1016/j.dyepig.2013.06.005
Pina, F; Gomes, R; Basilio, N; Laia, CAT. 2013. On the photostationary state of the flavylium network of chemical reactions. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 269, 1-8. DOI: 10.1016/j.jphotochem.2013.06.009
Petrov, V; Stanimirov, S; Petrov, IK; Fernandes, A; de Freitas, V; Pina, F. 2013. Emptying the beta-Cyclodextrin Cavity by Light: Photochemical Removal of the trans-Chalcone of 4 ',7-Dihydroxyflavylium. JOURNAL OF PHYSICAL CHEMISTRY A, 117, 10692-10701. DOI: 10.1021/jp4060582
Rondao, R; de Melo, JSS; Pina, J; Melo, MJ; Vitorino, T; Parola, AJ. 2013. Brazilwood Reds: The (Photo)Chemistry of Brazilin and Brazilein. JOURNAL OF PHYSICAL CHEMISTRY A, 117, 10650-10660. DOI: 10.1021/jp404789f
Gago, S; Fonseca, IM; Parola, AJ. 2013. Hybrid mesoporous silica grafted with photoisomerizable 2-hydroxychalcones. MICROPOROUS AND MESOPOROUS MATERIALS, 180, 40-47. DOI: 10.1016/j.micromeso.2013.06.001
Ruivo, A; Ventura, MG; da Silva, MDRG; Laia, CAT. 2013. Synthesis of gold nanoparticles in sol-gel glass porogens containing [bmim][BF4] ionic liquid. JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 68, 234-244. DOI: 10.1007/s10971-013-3159-6
Ventura, MG; Krasilnikova, D; Silva, T; Marques, C; da Silva, RC; Parola, AJ; de Matos, AP. 2013. Colouring glasses using nanoparticles synthesized within polyelectrolyte layer-by-layer films. JOURNAL OF NON-CRYSTALLINE SOLIDS, 379, 80-88. DOI: 10.1016/j.jnoncrysol.2013.07.030
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