Browsing by Author "201-0010783"
Now showing items 21-39 of 39
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Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán (ELSEVIER SCIENCE SA, 2001-12-31)Detection of O-2((1)Delta(g)) phosphorescence emission, lambda(max) = 1270 nm, following laser excitation and steady state methods were employed to determine the total rate constant, k(T), for the reaction between the ...
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Morales, Javier; Günther Sapunar, Germán; Zanocco Loyola, Antonio; Lemp Miranda, Else (2007-07)Detection of singlet oxygen emission, lmax = 1270 nm, following laser excitation and steady-state methods were employed to measure the total reaction rate constant, kT, and the reactive reaction rate constant, kr, for the ...
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Becerra Pacheco, Natalia Mónica; Nuez, L. R. de la; Zanocco Loyola, Antonio; Lemp Miranda, Else; Günther Sapunar, Germán (ELSEVIER, 2006-01-05)A fluorescence method was employed to study the solubilizing interactions of several sucrose esters with Dioctadecyldimethylammonium chloride small unilamellar vesicles. In this paper we studied four different alkyl esters ...
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Berríos, Eduardo; Zanocco Loyola, Antonio; Lemp Miranda, Else; Günther Sapunar, Germán (SOC CHILENA QUIMICA, 2008-12)The effect of the microenvironment on the Laurdan fluorescence was employed to study the solubilization mechanism of Dipalimtoyl-sn-glycero-3-phosphocholine (DPPC) small unilamellar vesicles with several sucrose monoesters. ...
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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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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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Castañeda Magliona, Fernando; Zanocco Loyola, Antonio; Meléndrez Cancino, Mónica Ximena; Günther Sapunar, Germán; Lemp Miranda, Else (ELSEVIER SCIENCE SA, 2004-12-01)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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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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Encina, M. V.; Lissi Gervaso, Eduardo A.; Lemp Miranda, Else; Zanocco Loyola, Antonio; Scaiano, J. C. (1983)The photochemistry of several phenyl alkyl and p-anisyl alkyl ketones has been examined using laser flash photolysis and conventional quantum yield techniques. The methoxy-substituted ketones show higher activation energies ...