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Photophysics of an Indigo Derivative (Keto and Leuco Structures) with Singular ...
Melo, J. Seixas de; Rondão, R.; Burrows, H. D.; Melo, M. J.; Navaratnam, S.; Edge, R.; Voss, G.Spectral and photophysical properties of the indigo derivative Cibalackrot in keto and reduced (leuco) forms were studied by absorption spectra, fluorescence and pulse radiolysis and compared with the structurally similar indigo. With the keto form of this dye, fluorescence (phiF = 0.76) and intersystem crossing (phiT = 0.11) are dominant, whereas with indigo, efficient internal conversion (phiIC = 0.99) is obs...
Photophysical and Spectroscopic Studies of Indigo Derivatives in Their Keto and...
Melo, J. Seixas de; Moura, A. P.; Melo, M. J.A comprehensive spectroscopic and photophysical study of the keto and leuco forms of indigo and three other ring-substituted derivatives in solution was performed. The characterization involves absorption, fluorescence, and triplet−triplet absorption spectra, making it possible to obtain the quantum yields for fluorescence (phiF), singlet−triplet intersystem crossing (phiISC), internal conversion (phiIC), and l...
Influence of medium composition on the characteristics of a denitrifying biofil...
C. F. Alves; L. F. Melo; M. J. VieiraEffect of medium composition on the activity of denitrifying bacteria in flidized bed bioreactors ; Efeito da composição do meio na actividade de bactérias desnitrificantes em bio-reactores de leito fluidizado
Physical stability and biological activity of biofilms under turbulent flow and...
L. F. Melo; M. J. VieiraOverall physical and mathematical model for biofilm development under turbulent conditions with low substrate concentration ; Modelo físico ematemático global para o crescimento de biofilmes em regime turbulento e com baixas concentrações de substrato
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