Frank H. Quina
AuthID: R-00F-N7T
11
TITLE: Substituent effects on the pH-dependent multiequilibria of flavylium salt analogs of anthocyanins Full Text
AUTHORS: Adilson A Freitas; Luis G Dias; Antonio A L Macanita ; Frank H Quina;
PUBLISHED: 2011, SOURCE: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, VOLUME: 24, ISSUE: 12
AUTHORS: Adilson A Freitas; Luis G Dias; Antonio A L Macanita ; Frank H Quina;
PUBLISHED: 2011, SOURCE: JOURNAL OF PHYSICAL ORGANIC CHEMISTRY, VOLUME: 24, ISSUE: 12
12
TITLE: Picosecond Dynamics of Proton Transfer of a 7-Hydroxyflavylium Salt in Aqueous-Organic Solvent Mixtures
AUTHORS: Adilson A Freitas; Frank H Quina; Antonio A L Macanita ;
PUBLISHED: 2011, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 115, ISSUE: 40
AUTHORS: Adilson A Freitas; Frank H Quina; Antonio A L Macanita ;
PUBLISHED: 2011, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 115, ISSUE: 40
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TITLE: Picosecond Dynamics of the Prototropic Reactions of 7-Hydroxyflavylium Photoacids Anchored at an Anionic Micellar Surface
AUTHORS: Adilson A Freitas; Frank H Quina; Ana C Fernandes ; Antonio A L Macanita ;
PUBLISHED: 2010, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 114, ISSUE: 12
AUTHORS: Adilson A Freitas; Frank H Quina; Ana C Fernandes ; Antonio A L Macanita ;
PUBLISHED: 2010, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 114, ISSUE: 12
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TITLE: Photochemistry of anthocyanins and their biological role in plant tissues Full Text
AUTHORS: Frank H Quina; Paulo F Moreira; Carolina Vautier Giongo; Daniel Rettori; Rita F Rodrigues ; Adilson A Freitas; Palmira F Silva; Antonio L Macanita ;
PUBLISHED: 2009, SOURCE: 13th International Symposium on Solubility Phenomena and Related Equilibrium Processes in PURE AND APPLIED CHEMISTRY, VOLUME: 81, ISSUE: 9
AUTHORS: Frank H Quina; Paulo F Moreira; Carolina Vautier Giongo; Daniel Rettori; Rita F Rodrigues ; Adilson A Freitas; Palmira F Silva; Antonio L Macanita ;
PUBLISHED: 2009, SOURCE: 13th International Symposium on Solubility Phenomena and Related Equilibrium Processes in PURE AND APPLIED CHEMISTRY, VOLUME: 81, ISSUE: 9
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TITLE: Ultrafast Internal Conversion in a Model Anthocyanin-Polyphenol Complex: Implications for the Biological Role of Anthocyanins in Vegetative Tissues of Plants Full Text
AUTHORS: Rita Franca Rodrigues ; Palmira Ferreira da Silva; Karina Shimizu ; Adilson A Freitas; Sergey A Kovalenko; Nikolaus P Ernsting; Frank H Quina; Antonio Macanita ;
PUBLISHED: 2009, SOURCE: CHEMISTRY-A EUROPEAN JOURNAL, VOLUME: 15, ISSUE: 6
AUTHORS: Rita Franca Rodrigues ; Palmira Ferreira da Silva; Karina Shimizu ; Adilson A Freitas; Sergey A Kovalenko; Nikolaus P Ernsting; Frank H Quina; Antonio Macanita ;
PUBLISHED: 2009, SOURCE: CHEMISTRY-A EUROPEAN JOURNAL, VOLUME: 15, ISSUE: 6
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TITLE: 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 Full Text
AUTHORS: Adilson A Freitas; Shimizu, K ; Luis G Dias; Frank H Quina;
PUBLISHED: 2007, SOURCE: JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, VOLUME: 18, ISSUE: 8
AUTHORS: Adilson A Freitas; Shimizu, K ; Luis G Dias; Frank H Quina;
PUBLISHED: 2007, SOURCE: JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, VOLUME: 18, ISSUE: 8
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TITLE: Acid-base equilibria and dynamics in sodium dodecyl sulfate micelles: Geminate recombination and effect of charge stabilization Full Text
AUTHORS: Adilson A Freitas; Luisa Paulo; Antonio L Macanita ; Frank H Quina;
PUBLISHED: 2006, SOURCE: LANGMUIR, VOLUME: 22, ISSUE: 19
AUTHORS: Adilson A Freitas; Luisa Paulo; Antonio L Macanita ; Frank H Quina;
PUBLISHED: 2006, SOURCE: LANGMUIR, VOLUME: 22, ISSUE: 19
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TITLE: Novel ground- and excited-state prototropic reactivity of a hydroxycarboxyflavylium salt
AUTHORS: Paulo, L; Freitas, AA; da Silva, PF; Shimizu, K ; Quina, FH; Macanita, AL ;
PUBLISHED: 2006, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 110, ISSUE: 6
AUTHORS: Paulo, L; Freitas, AA; da Silva, PF; Shimizu, K ; Quina, FH; Macanita, AL ;
PUBLISHED: 2006, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 110, ISSUE: 6
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TITLE: Geminate proton recombination at the surface of SDS and CTAC micelles probed with a micelle-anchored anthocyanin Full Text
AUTHORS: Rodrigues, R ; Vautier Giongo, C; Silva, PF; Fernandes, AC ; Cruz, R; Macanita, AL ; Quina, FH;
PUBLISHED: 2006, SOURCE: LANGMUIR, VOLUME: 22, ISSUE: 3
AUTHORS: Rodrigues, R ; Vautier Giongo, C; Silva, PF; Fernandes, AC ; Cruz, R; Macanita, AL ; Quina, FH;
PUBLISHED: 2006, SOURCE: LANGMUIR, VOLUME: 22, ISSUE: 3
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TITLE: Charge-transfer complexation as a general phenomenon in the copigmentation of anthocyanins
AUTHORS: da Silva, PF; Lima, JC ; Freitas, AA; Shimizu, K ; Macanita, AL ; Quina, FH;
PUBLISHED: 2005, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 109, ISSUE: 32
AUTHORS: da Silva, PF; Lima, JC ; Freitas, AA; Shimizu, K ; Macanita, AL ; Quina, FH;
PUBLISHED: 2005, SOURCE: JOURNAL OF PHYSICAL CHEMISTRY A, VOLUME: 109, ISSUE: 32
