Article (Scientific journals)
Transitioning from conventional batch to microfluidic processes for the efficient singlet oxygen photooxygenation of methionine
Mendoza Gallego, Carlos; Emmanuel, Noémie; Pàez Martinez, Carlos et al.
2018In Journal of Photochemistry and Photobiology A: Chemistry, 356, p. 193-200
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Keywords :
Singlet oxygen; Photooxygenation; Rose Bengal; Methionine; Microfluidic
Abstract :
[en] Singlet oxygen-based photocatalytic oxygenation reactions have emerged as an efficient technology to synthesize value-added organic molecules. Among organic substrates, bio-sourced molecules such as aminoacids or terpenes have a promising forecast as synthetic building blocks. A pseudo first-order kinetic study for the photocatalytic oxygenation of natural amino acid (L)-methionine was carried out in a macroscopic batch reactor. Various parameters were studied, including the effect of the photosensitizer (Rose Bengal, RB) concentration, the intensity of the light and the O2 flow in terms of apparent kinetic constants and space-time yields. The identification of important limiting parameters as pressure, gas flow or light efficiency during the photocatalytic oxygenation of methionine allowed its transition from macroscopic batch reactor to continuous-flow microreactor.
Research center :
Nanomaterials, Catalysis & Electrochemistry (NCE)
Center for Integrated Technology and Organic Synthesis (CiTOS)
GRASP-Biophotonics
Disciplines :
Chemical engineering
Author, co-author :
Mendoza Gallego, Carlos ;  Université de Liège - ULiège > Department of Chemical Engineering > Génie chimique - Nanomatériaux et interfaces
Emmanuel, Noémie ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie organométallique et catalyse homogène
Pàez Martinez, Carlos ;  Université de Liège - ULiège > Department of Chemical Engineering > Génie chimique - Nanomatériaux et interfaces
Dreesen, Laurent ;  Université de Liège - ULiège > Département de physique > Biophotonique
Monbaliu, Jean-Christophe  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie organométallique et catalyse homogène
Heinrichs, Benoît ;  Université de Liège - ULiège > Department of Chemical Engineering > Génie chimique - Nanomatériaux et interfaces
Language :
English
Title :
Transitioning from conventional batch to microfluidic processes for the efficient singlet oxygen photooxygenation of methionine
Publication date :
01 April 2018
Journal title :
Journal of Photochemistry and Photobiology A: Chemistry
ISSN :
1010-6030
Publisher :
Elsevier Science, Lausanne, Switzerland
Volume :
356
Pages :
193-200
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
ARC-icFlow
Available on ORBi :
since 18 December 2017

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