EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS

In this work we study the incorporation into dipalmitoylphosphatidylcholine (DPPC) small unilamellar vesicle (SUV), of three indols: Trp, indol-3 acetamide and N-acetyl tryptophan ethyl ester (NATE), and of three flavins: riboflavin (RF), lumiflavin (LF), and 2'3'4'5' riboflavin...

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Autores principales:	BUENO,C, ALARCÓN,E. I., EDWARDS,A.M.
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2013
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072013000400045
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spelling	oai:scielo:S0717-970720130004000452014-09-02EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINSBUENO,CALARCÓN,E. I.EDWARDS,A.M.In this work we study the incorporation into dipalmitoylphosphatidylcholine (DPPC) small unilamellar vesicle (SUV), of three indols: Trp, indol-3 acetamide and N-acetyl tryptophan ethyl ester (NATE), and of three flavins: riboflavin (RF), lumiflavin (LF), and 2'3'4'5' riboflavin tetrapropionate (TPRF). The incorporation into the vesicle was determined by selective fluorescence quenching for the indols, and by equilibrium dialysis for the flavins. The more hydrophobic compound, the greater incorporation into the vesicle; therefore, TPRF and indol-3-acetamide and NATE are the flavins and indols, with the higher incorporation. Consequently, the higher efficiency for the indol photodegradation and the photoproducts generation was obtained when the hydrophobic compounds were irradiated with monochromatic light in the presence of the vesicle.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.58 n.4 20132013-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072013000400045en10.4067/S0717-97072013000400045
institution	Scielo Chile
collection	Scielo Chile
language	English
description	In this work we study the incorporation into dipalmitoylphosphatidylcholine (DPPC) small unilamellar vesicle (SUV), of three indols: Trp, indol-3 acetamide and N-acetyl tryptophan ethyl ester (NATE), and of three flavins: riboflavin (RF), lumiflavin (LF), and 2'3'4'5' riboflavin tetrapropionate (TPRF). The incorporation into the vesicle was determined by selective fluorescence quenching for the indols, and by equilibrium dialysis for the flavins. The more hydrophobic compound, the greater incorporation into the vesicle; therefore, TPRF and indol-3-acetamide and NATE are the flavins and indols, with the higher incorporation. Consequently, the higher efficiency for the indol photodegradation and the photoproducts generation was obtained when the hydrophobic compounds were irradiated with monochromatic light in the presence of the vesicle.
author	BUENO,C ALARCÓN,E. I. EDWARDS,A.M.
spellingShingle	BUENO,C ALARCÓN,E. I. EDWARDS,A.M. EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS
author_facet	BUENO,C ALARCÓN,E. I. EDWARDS,A.M.
author_sort	BUENO,C
title	EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS
title_short	EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS
title_full	EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS
title_fullStr	EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS
title_full_unstemmed	EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS
title_sort	effect of the incorporation into unilaminar vesicle on the photodegradation of indoles sensitized by flavins
publisher	Sociedad Chilena de Química
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072013000400045
work_keys_str_mv	AT buenoc effectoftheincorporationintounilaminarvesicleonthephotodegradationofindolessensitizedbyflavins AT alarconei effectoftheincorporationintounilaminarvesicleonthephotodegradationofindolessensitizedbyflavins AT edwardsam effectoftheincorporationintounilaminarvesicleonthephotodegradationofindolessensitizedbyflavins
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EFFECT OF THE INCORPORATION INTO UNILAMINAR VESICLE ON THE PHOTODEGRADATION OF INDOLES SENSITIZED BY FLAVINS

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