836 results on '"Pina, Fernando"'
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2. Thermal and photochemical reactions of n-pyridinebenzopyrylium multistate of species (n = 2′,3′,4′). Exploring the synthetic potentialities from the unique reactivity of position 2′
3. Iron-gall inks: a review of their degradation mechanisms and conservation treatments
4. Photoreactivity and stability of flavonoid yellows used in cultural heritage
5. Copigmentation of anthocyanins with copigments possessing an acid-base equilibrium in moderately acidic solutions
6. Aid to the elderly person aged 80 and over in the emergency service: perspective of professionals from nursing homes
7. Photochemistry of 5-Hydroxy-4'-Dimethylaminoflavylium in the presence of SDS micelles. The role of metastable states of flavylium cation-quinoidal base and trans-chalcones
8. The peculiarity of malvidin 3-O-(6-O-p-coumaroyl) glucoside aggregation. Intra and intermolecular interactions
9. Dye-sensitized solar cells based on dimethylamino-π-bridge-pyranoanthocyanin dyes
10. Chemical evolution of the colour systems generated by riccionidin A, 3-deoxyanthocyanidins and anthocyanins
11. Multistate of chemical species of 2,6-Bis(arylidene)cyclohexanones. On the role of chalcone and spiro species
12. Catechol versus carboxyl linkage impact on DSSC performance of synthetic pyranoflavylium salts
13. Study of the multi-equilibria of red wine colorants pyranoanthocyanins and evaluation of their potential in dye-sensitized solar cells
14. Generalization of the anthocyanins kinetics and thermodynamics multistate to 2,6-bis(2-hydroxybenzylidene)cyclohexanones
15. On the multistate of 2′-hydroxyflavylium-flavanone system. Illustrating the concept of a timer with reset at the molecular level
16. Studies of bipyridinium ionic liquids and deep eutectic solvents as electrolytes for electrochromic devices
17. Colour modulation of blue anthocyanin-derivatives. Lignosulfonates as a tool to improve the water solubility of natural blue dyes
18. Extending the stability of red and blue colors of malvidin-3-glucoside-lipophilic derivatives in the presence of SDS micelles
19. Comparing the Chemistry of Malvidin-3-O-glucoside and Malvidin-3,5-O-diglucoside Networks: A Holistic Approach to the Acidic and Basic Paradigms with Implications in Biological Studies
20. Synthesis and equilibrium multistate of new pyrano-3-deoxyanthocyanin-type pigments in aqueous solutions
21. Binding of the five multistate species of the anthocyanin analog 7-β-D-glucopyranosyloxy-4′-hydroxyflavylium to the β-cyclodextrin derivative captisol
22. Influence of the structural features of amino-based pyranoanthocyanins on their acid-base equilibria in aqueous solutions
23. Perfil do utilizador, não urgente, com 80 e mais anos no Serviço de Urgência
24. Evidence against the Twisted Intramolecular Charge Transfer (TICT) model in 7-aminoflavylium derivatives
25. Anthocyanins: Revisiting Nature's Glamorous Palette
26. The Triumph of the blue in nature and in Anthropocene
27. New insights into iron-gall inks through the use of historically accurate reconstructions
28. Anthocyanins and derivatives are more than flavylium cations
29. Electronic and charge transfer properties of bio-inspired flavylium ions for applications in TiO2-based dye-sensitized solar cells
30. Photochromism of the complex between 4′-(2-hydroxyethoxy)-7-hydroxyflavylium and β-cyclodextrin, studied by 1H NMR, UV–Vis, continuous irradiation and circular dichroism
31. Intermolecular Copigmentation Between Delphinidin 3-O-Glucoside and Chlorogenic Acid: Taking into Account the Existence of Neutral and Negatively Charged Forms of the Copigment
32. Anthocyanins and related compounds. Detecting the change of regime between rate control by hydration or by tautomerization
33. Highlights of metal ion-based photochemical switches
34. Water-soluble Fluorescent Chemosensors: in Tune with Protons
35. Intermolecular Copigmentation of Malvidin-3-O-glucoside with Caffeine in Water: The Effect of the Copigment on the pH-Dependent Reversible and Irreversible Processes
36. On the photostationary state of the flavylium network of chemical reactions
37. Chemistry of 7,8-dihydroxy-2-(4-dimethylaminostyryl)-1-benzopyrylium. A photochromic system switching from yellow to green
38. Circular dichroism of anthocyanidin 3-glucoside self-aggregates
39. The effect of self-aggregation on the determination of the kinetic and thermodynamic constants of the network of chemical reactions in 3-glucoside anthocyanins
40. Synthesis, characterization and photochromism of 3′-butoxyflavylium derivatives
41. Thermodynamic and fluorescence emission properties of the Zn(II), Cd(II) and Pb(II) complexes with a fluorescent chelator bearing phenanthroline and naphthalene subunits
42. Photochromism of flavylium systems. An overview of a versatile multistate system
43. Natural and Synthetic Flavylium-Based Dyes: The Chemistry behind the Color
44. Additional file 1 of Iron-gall inks: a review of their degradation mechanisms and conservation treatments
45. Molecular Metamorphosis Generated by Anthocyanins and Related Compounds
46. Photochromism of naphthoflavylium. On the role of 4-OH hemiketal in flavylium network
47. A New Insight into the Degradation of Anthocyanins: Reversible versus the Irreversible Chemical Processes
48. Modulating the thermodynamics, kinetics and photochemistry of 7-diethylamino-4′-dimethylaminoflavylium in water/ethanol, SDS and CTAB micelles
49. Natural and Synthetic Flavylium-Based Dyes: The Chemistry Behind the Color
50. Photochromism of the natural dye 7,4′-dihydroxy-5-methoxyflavylium (dracoflavylium) in the presence of (2-hydroxypropyl)-β-cyclodextrin
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