Improved analysis of excited state proton transfer kinetics by the combination of standard and convolution methods
PHOTOCHEMICAL \& PHOTOBIOLOGICAL SCIENCES, 12, 902-910 2013
Adilson Alves de Freitas , A. L. Maçanita , Frank H. Quina

Substituent effects on the pH-dependent multiequilibria of flavylium salt analogs of anthocyanins
JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, 24, 1201-1208 12 2011
Adilson Alves de Freitas , Luis G. Dias , A. L. Maçanita , Frank H. Quina

Picosecond Dynamics of Proton Transfer of a 7-Hydroxyflavylium Salt in Aqueous-Organic Solvent Mixtures
JOURNAL OF PHYSICAL CHEMISTRY A, 115, 10988-10995 10 2011
Adilson Alves de Freitas , Frank H. Quina , A. L. Maçanita

Polymeric scaffolds for enhanced stability of melanin incorporated in liposomes
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 350, 268-274 10 2010
Marli L. Moraes , Paulo J. Gomes , Paulo A. Ribeiro , Pedro Vieira , Adilson Alves de Freitas , Ralf Koehler , Jr. Oliveira , Maria Raposo

Picosecond Dynamics of the Prototropic Reactions of 7-Hydroxyflavylium Photoacids Anchored at an Anionic Micellar Surface
JOURNAL OF PHYSICAL CHEMISTRY A, 114, 4188-4196 4 2010
Adilson Alves de Freitas , Frank H. Quina , A C Fernandes , A. L. Maçanita

Ultrafast Internal Conversion in a Model Anthocyanin-Polyphenol Complex: Implications for the Biological Role of Anthocyanins in Vegetative Tissues of Plants
CHEMISTRY-A EUROPEAN JOURNAL, 15, 1397-1402 2009
Rita Franca Rodrigues , Palmira Ferreira da Silva , Karina Shimizu , Adilson Alves de Freitas , Sergey A. Kovalenko , Nikolaus P. Ernsting , Frank H. Quina , A. L. Maçanita

Photochemistry of anthocyanins and their biological role in plant tissues
PURE AND APPLIED CHEMISTRY, 81, 1687-1694 9 2009
Frank H. Quina , Jr. Moreira , C Vautier-Giongo , Daniel Rettori , Rita Franca Rodrigues , Adilson Alves de Freitas , Palmira F. Silva , A. L. Maçanita

A computational study of substituted flavylium salts and their quinonoidal conjugate-bases: S-0 -> S-1 electronic transition, absolute pK(a) and reduction potential calculations by DFT and semiempirical methods
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, 18, 1537-1546 2007
Adilson Alves de Freitas , Karina Shimizu , Luis G. Dias , Frank H. Quina

Acid-base equilibria and dynamics in sodium dodecyl sulfate micelles: Geminate recombination and effect of charge stabilization
LANGMUIR, 22, 7986-7993 9 2006
Adilson Alves de Freitas , Luisa Paulo , A. L. Maçanita , Frank H. Quina

Novel ground- and excited-state prototropic reactivity of a hydroxycarboxyflavylium salt
JOURNAL OF PHYSICAL CHEMISTRY A, 110, 2089-2096 2 2006
L Paulo , Adilson Alves de Freitas , PF da Silva , Karina Shimizu , FH Quina , A. L. Maçanita

Charge-transfer complexation as a general phenomenon in the copigmentation of anthocyanins
JOURNAL OF PHYSICAL CHEMISTRY A, 109, 7329-7338 8 2005
PF da Silva , JC Lima , Adilson Alves de Freitas , Karina Shimizu , A. L. Maçanita , FH Quina

Predicting hydration free energies of neutral compounds by a parametrization of the polarizable continuum model
JOURNAL OF PHYSICAL CHEMISTRY A, 109, 11322-11327 12 2005
Karina Shimizu , Adilson Alves de Freitas , JPS Farah , LG Dias

Manipulation of the reactivity of a synthetic anthocyanin analogue in aqueous micellar media
LANGMUIR, 18, 10109-10115 12 2002
C Vautier-Giongo , C Yihwa , PF Moreira , JC Lima , Adilson Alves de Freitas , M Alves , FH Quina , A. L. Maçanita

On the significance of the solubilization power of detergents
LANGMUIR, 17, 7980-7981 12 2001
E MELO , Adilson Alves de Freitas , C Yihwa , FH Quina

A linear free energy analysis of the surface tension of organic liquids
LANGMUIR, 16, 6689-6692 8 2000
Adilson Alves de Freitas , FH Quina , FA Carroll

Estimation of water-organic interfacial tensions. A linear free energy relationship analysis of interfacial adhesion
JOURNAL OF PHYSICAL CHEMISTRY B, 101, 7488-7493 9 1997
Adilson Alves de Freitas , FH Quina , FA Carroll