Browsing by Author "201-0010826"
Now showing items 41-57 of 57
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Valdebenito, Silvana; Zanocco, Renzo P.; Günther Sapunar, Germán; Lemp Miranda, Else; Zanocco Loyola, Antonio (2011)The photophysical properties of 4-(benzothiazol-2-yl)-N,N-diphenylaniline, were studied in a series of solvents. UV-Vis absorption spectra are insensitive to solvent polarity whereas the fluorescence spectra in the same ...
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Curitol, Manuel; Ragas, Xavier; Nonell, Santi; Pizarro, Nancy; Encinas, María V.; Rojas, Pedro; Zanocco, Renzo P.; Lemp Miranda, Else; Günther Sapunar, Germán; Zanocco Loyola, Antonio (The American Society of Photobiology, 2013)The photophysical properties of 2-phenyl-naphtho[1,2-d][1,3] oxazole, 2(4-N,N-dimethylaminophenyl)naphtho[1,2-d][1,3] oxazole and 2(4-N,N-diphenylaminophenyl) naphtho[1,2-d] [1,3]oxazole were studied in a series of ...
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Lemp Miranda, Else; Pizarro, Nancy; Encinas, María Victoria; Zanocco Loyola, Antonio (2001)Detection of O2(1Δg) emission, λmax = 1270 nm, following laser excitation and steady-state methods were employed to measure total, kT, and chemical, kR, reaction rate constants for the reaction between 3-methylindole and ...
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Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán; Pizarro, Nancy (AMER CHEMICAL SOC, 2003-04-18)Detection Of O-2((1)Delta(g),) phosphorescence emission, lambda(max) = 1270 nm, following laser excitation and steady-state methods was employed to determine the total rate constant, k(T), and the chemical reaction rate ...
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Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán; Pizarro, Nancy (PERGAMON-ELSEVIER SCIENCE LTD, 2006-11-13)The reaction of singlet molecular oxygen with a series of cyclic and acyclic alpha-diimines was studied. Time-resolved methods were used to measure total reaction rate constants and steady-state methods were used to determine ...
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Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán; Pizarro, Nancy (2006)The reaction of singlet molecular oxygen with a series of cyclic and acyclic α-diimines was studied. Time-resolved methods were used to measure total reaction rate constants and steady-state methods were used to determine ...
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Lemp Miranda, Else; Valencia, Cristina; Zanocco Loyola, Antonio (ELSEVIER SCIENCE SA, 2004-11-01)Detection of O2(1 g) emission, λmax = 1270 nm, following laser excitation and steady-state methods were employed to measure total reaction rate constants, kT, for the reaction between singlet oxygen and the antimalarial ...
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Lemp Miranda, Else; Valencia, Cristina; Zanocco Loyola, Antonio (2004)Detection of O2(1Δg) emission, λmax=1270 nm, following laser excitation and steady-state methods were employed to measure total reaction rate constants, k T, for the reaction between singlet oxygen and the antimalarial ...
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Zanocco Loyola, Antonio; Lemp Miranda, Else; Pizarro, Nancy; De la Fuente, Julio; Günther Sapunar, Germán (Elsevier, 2001)Detection of O2(1Δg) phosphorescence emission, λmax=1270nm, following laser excitation and steady state methods were employed to determine both the total constant, kT LID, and the chemical reaction rate constants, kR LID, ...
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Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán (ELSEVIER SCIENCE BV, 2003-11-24)The effect of the incorporation of the non-ionic surfactant sucrose palmitate in dioctadecyldimethylammonium chloride(DODAC) large unilamellar vesicles was studies by using several spectroscopic techniques. Significant ...
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Structure-activity study of furyl aryloxazole fluorescent probes for the detection of singlet oxygen Zanocco, Renzo P.; Bresoli-Obach, Roger; Nonell, Santi; Lemp Miranda, Else; Zanocco Loyola, Antonio (Public Library of Science, 2018-07-02)In this study, we report the synthesis and the photochemical behavior of a series of new "click-on" fluorescent probes designed to detect singlet oxygen. They include a highly fluorescent chemical structure, an aryloxazole ...
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Kettlun Leyton, Andrés; Espinosa, V.; Zanocco Loyola, Antonio; Valenzuela Pedevila, María Antonieta (2000-07)Potato apyrase, a soluble ATP-diphosphohydrolase, was purified to homogeneity from several clonal varieties of Solanum tuberosum. Depending on the source of the enzyme, differences in kinetic and physicochemical properties ...
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Zanocco Loyola, Antonio; Meléndrez Cancino, Mónica Ximena; Günther Sapunar, Germán; Lemp Miranda, Else (2007)Steady state photolysis and time resolved near infrared luminescence detection were employed to study the reaction kinetics of singlet oxygen with three different lipid-soluble probes incorporated in large unilamellar ...
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Sánchez, Susana A.; Gratton, Enrico; Zanocco Loyola, Antonio; Lemp Miranda, Else; Günther Sapunar, Germán (PUBLIC LIBRARY SCIENCE, 2011-12-28)One of the several uses of sucrose detergents, as well as other micelle forming detergents, is the solubilization of different membrane proteins. Accurate knowledge of the micelle properties, including size and shape, are ...
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Castañeda, Fernando; Zanocco Loyola, Antonio; Meléndrez, Mónica; Günther Sapunar, Germán; Lemp Miranda, Else (2004)Three lipid-soluble furan derivatives, 2,5-disubstituted with different n-alkyl chains, and a terminal trimethylammonium group were obtained by reaction of a metalated monoalkylfuran with alkyl dihalides under conditions ...
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Cañete Molina, Alvaro Félix; Meléndrez Cancino, Mónica Ximena; Saitz Barría, Claudio; Zanocco Loyola, Antonio (MARCEL DEKKER INC, 2001)A very simple and efficient method to prepare aminonaphthalene derivatives in good yield using the Bucherer reaction under microwave irradiation in a closed vessel is described. A reaction time of 30 min at 150 Watts of ...
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Rubio, Nataly; Zanocco Loyola, Antonio (Asoc Químicos, Inst Químico Sarria, 2016)La inclusión de dos derivados del naftoxazol en cucurbit[7] urilo se ha estudiado empleando métodos fluorescentes de estado estacionario. Estas moléculas presentan un comportamiento inusual de la emisión cuando se ...