Academic literature on the topic 'Catalyse bioinspirée'

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Journal articles on the topic "Catalyse bioinspirée"

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Carrión, Erik N., Andrei Loas, Hemantbhai H. Patel, Marius Pelmuş, Karpagavalli Ramji, and Sergiu M. Gorun. "Fluoroalkyl phthalocyanines: Bioinspired catalytic materials." Journal of Porphyrins and Phthalocyanines 22, no. 05 (2018): 371–97. http://dx.doi.org/10.1142/s1088424618500189.

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The design of self oxidation-resistant catalytic materials based on organic molecules, although advantageous due to the ability to control their structures, is limited by the presence of labile C–H bonds. This mini review summarizes recent work aimed at first-row transition metal complexes of a new class of coordinating ligands, fluoroalkyl-substituted fluorophthalocyanines, R[Formula: see text]Pcs, ligands in which all, or the majority of their C–H bonds are replaced by a combination of fluoro- and perfluoroalkyl groups yielding porphyrin-bioinspired catalyst models. In the case of homogeneou
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Chen, Jing, Yingchun Guo, Tengteng Kang, Xingchi Liu, Xiaomei Wang, and Xu Zhang. "In Situ Growth of ZIF-8 Nanocrystals on the Pore Walls of 3D Ordered Macroporous TiO2 for a One-Pot Cascade Reaction." Catalysts 11, no. 5 (2021): 533. http://dx.doi.org/10.3390/catal11050533.

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It is wise to mimic a bioinspired system to design a nanoreactor as a catalyst containing multiple components for a cascade reaction. Here, we report the uniform growth of well-dispersed nano-scale ZIF-8 crystals on the pore walls of 3DOM TiO2 via the TEA-assisted crystallization process. The UV-vis spectra indicate that the ZIF-8 photosensitizer can extend the visible-light absorption of 3DOM TiO2. The obtained nanoreactor can efficiently catalyze the one-pot aromatic alcohol oxidization and Knoevenagel condensation cascade reaction for larger molecules. This work offers an important strategy
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Gao, Bin, Tao Wang, Yang Li, et al. "Promoting hole transfer for photoelectrochemical water oxidation through a manganese cluster catalyst bioinspired by natural photosystem II." Chemical Communications 56, no. 30 (2020): 4244–47. http://dx.doi.org/10.1039/d0cc00955e.

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Deuss, Peter J., René den Heeten, Wouter Laan, and Paul C. J. Kamer. "Bioinspired Catalyst Design and Artificial Metalloenzymes." Chemistry - A European Journal 17, no. 17 (2011): 4680–98. http://dx.doi.org/10.1002/chem.201003646.

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Sankar Agarwalla, Uday. "Bioinspired Non-heme Diiron Catalysts for Olefin Epoxidation with Hydrogen Peroxide in the Presence of Acetic Acid." International Journal of Science and Research (IJSR) 11, no. 4 (2022): 1089–93. http://dx.doi.org/10.21275/sr22403000114.

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Hunter, R. D., J. Davies, S. J. A. Hérou, A. Kulak, and Z. Schnepp. "Milling as a route to porous graphitic carbons from biomass." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 379, no. 2209 (2021): 20200336. http://dx.doi.org/10.1098/rsta.2020.0336.

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This paper reports a simple way to produce porous graphitic carbons from a wide range of lignocellulosic biomass sources, including nut shells, softwood sawdust, seed husks and bamboo. Biomass precursors are milled and sieved to produce fine powders and are then converted to porous graphitic carbons by iron-catalysed graphitization. Graphitizing the raw (unmilled) biomass creates carbons that are diverse in their porosity and adsorption properties. This is due to the inability of the iron catalyst precursor to penetrate the structure of dense biomass material. Milling enables much more efficie
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Mangiavacchi, Francesca, Letizia Crociani, Luca Sancineto, Francesca Marini, and Claudio Santi. "Continuous Bioinspired Oxidation of Sulfides." Molecules 25, no. 11 (2020): 2711. http://dx.doi.org/10.3390/molecules25112711.

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A simple, efficient, and selective oxidation under flow conditions of sulfides into their corresponding sulfoxides and sulfones is reported herein, using as a catalyst perselenic acid generated in situ by the oxidation of selenium (IV) oxide in a diluted aqueous solution of hydrogen peroxide as the final oxidant. The scope of the proposed methodology was investigated using aryl alkyl sulfides, aryl vinyl sulfides, and dialkyl sulfides as substrates, evidencing, in general, a good applicability. The scaled-up synthesis of (methylsulfonyl)benzene was also demonstrated, leading to its gram-scale
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Kung, Mayfair C., Mark V. Riofski, Michael N. Missaghi, and Harold H. Kung. "Organosilicon platforms: bridging homogeneous, heterogeneous, and bioinspired catalysis." Chem. Commun. 50, no. 25 (2014): 3262–76. http://dx.doi.org/10.1039/c3cc48766k.

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Organosilicon compounds form versatile structures such as cubic metallasiloxanes, cage-like silsesquioxanes, macromolecular nanocages, and flexible dendrimers and linear metallasiloxanes, and are useful as catalysts, ligands for metal complexes, and catalyst supports.
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Ren, Changxu, Peng Yang, Jiaonan Sun, et al. "A Bioinspired Molybdenum Catalyst for Aqueous Perchlorate Reduction." Journal of the American Chemical Society 143, no. 21 (2021): 7891–96. http://dx.doi.org/10.1021/jacs.1c00595.

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Deuss, Peter J., Rene den Heeten, Wouter Laan, and Paul C. J. Kamer. "ChemInform Abstract: Bioinspired Catalyst Design and Artificial Metalloenzymes." ChemInform 42, no. 31 (2011): no. http://dx.doi.org/10.1002/chin.201131266.

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Dissertations / Theses on the topic "Catalyse bioinspirée"

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Dias, Hugo. "Catalyseurs bioinspirés pour la valorisation du co2 en carbonates cycliques." Electronic Thesis or Diss., Lyon 1, 2024. http://www.theses.fr/2024LYO10192.

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La valorisation du CO2 est une stratégie pouvant permettre la résolution de problématiques contemporaines. En employant comme réactif cette molécule abondante considérée comme un déchet anthropique, la mise en place de synthèses durables de produits à haute valeur ajoutée devient alors un enjeu primordial pour l’industrie chimique. La synthèse des carbonates cycliques est un exemple caractéristique d’une réaction verte convertissant du CO2 en produits d’intérêt pour l’industrie des polymères ou des batteries au lithium. Néanmoins, la cycloaddition du CO2 aux époxydes requiert l’emploi de catal
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Diao, Donglin. "Bioinspired complexes engaged within hemicryptophane cage-ligands for O2 activation and C-H bond functionalization in confined space." Electronic Thesis or Diss., Ecole centrale de Marseille, 2022. http://www.theses.fr/2022ECDM0007.

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L’objectif de ces travaux de thèse est le développement de nouveaux ligand-cages hémicryptophanes pour l’obtention de catalyseurs métalliques confinés. Ces catalyseurs seront utilisés pour l’activation bioinspirée d’O2 et la fonctionnalisation C-H en milieu confiné. Le design des cages cibles vise à introduire des ligands bioinspirés pour la coordination de métaux biologiques (Cu, Fe, Zn). La structure hémicryptophane offre une cavité hydrophobe au voisinage du site actif métallique. Cette structure vise à stabiliser les espèces actives et obtenir des réactivités différentes de celles obtenues
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Bécart, Diane. "Bioinspired catalysis using oligourea helical foldamers." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0717/document.

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Catalyse et repliement sont deux notions intimement liées dans la Nature à travers les protéines et les enzymes, puis par extension, avec les catalyseurs synthétiques conçus par les chimistes. Des briques élémentaires artificielles ont été développées depuis deux décennies afin de synthétiser de nouvelles architectures moléculaires ayant une forte propension à se replier, appelées foldamères. Dans de nombreux systèmes biomimétiques inspirés par les biopolymères, la stabilisation d’une forme repliée résulte de la formation d’un fort réseau de liaisons H. Ces squelettes repliés apportent plusieu
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Hacihasanoglu, Antoine. "Biomimetic asymmetric catalysis with bioinspired helical foldamers." Thesis, Bordeaux, 2022. http://www.theses.fr/2022BORD0166.

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L’organocatalyse est une méthodologie qui connait un développement rapide, permettant de réaliser des transformations chimiques complexes dans le contexte général de la chimie durable (procédés sans métaux, recyclage des catalyseurs…). Les applications potentielles incluent l'élaboration rapide d'éléments de base avancés et utiles pour le développement pharmaceutique. Malgré de grandes réalisations, les organocatalyseurs souffrent généralement de certaines limitations comme une faible accélération de la réaction, d'un taux de rotation catalytique faible et de la nécessité de quantités importan
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Clarasó, Petit Carlota. "Rational design of bioinspired iron and manganese catalysts for the effective and selective epoxidation of alkenes and oxidation of alkanes." Doctoral thesis, Universitat de Girona, 2019. http://hdl.handle.net/10803/666958.

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Metalloenzymes are a fundamental source of inspiration for synthetic chemists. Oxidation metalloenzymes catalyze oxidation reactions with high efficiency under very mild experimental conditions exhibiting exquisite regio- and stereoselectivity. The present dissertation aims at designing efficient and selective bioinspired oxidation catalysts. Looking at the literature there’s a very limited number of aliphatic diamines incorporated as ligand backbones in tetradentate aminopyridine based complexes, which have been revealed as one of the most successful catalysts for these transformations with p
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Dzierzak, Joanna. "Bioinspired, heterogeneous amino acid complexes for benign oxidation catalysis." Thesis, University of Southampton, 2011. https://eprints.soton.ac.uk/334198/.

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Metalloenzymes catalyse the most fundamental reactions in organic chemistry from oxidation of hydrocarbons to complex C-C bond forming reactions with exceptional selectivity. Mimicking the active site of a metalloenzyme by immobilising well-defined amino acids containing catalytically active transition metal centres based on transitionmetals on a robust inorganic framework, affords powerful catalysts that can be utilised in oxidation reactions. Porous aluminosilicates, mesoporous silicas and polymers offer suitable supports for single-site bio-derived catalysts. Dispersion of catalytically act
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Porcher, Jean-Philippe. "Synthèse de complexes bioinspirés de Mo et W catalyseurs pour la réduction des protons." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066301/document.

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Les enzymes à molybdène ou à tungstène sont présentes dans toutes les formes de vie. La plupart d’entre elles sont des oxotransférases ou des hydroxylases. Elles contiennent un ou deux cofacteurs à molybdoptérine Moco coordiné au centre métallique par une fonction dithiolène. Ce cofacteur est très instable et la synthèse de complexes biomimétiques est difficile. Dans cette thèse, une nouvelle stratégie de synthèse d’un ligand dithiolène (qpdt) analogue du cofacteur à molybdoptérine a été développée. Le complexe de molybdène (Bu4N)2[MoO(qpdt)2] correspondant a été synthétisé et caractérisé. Ce
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ZUCCA, PAOLO. "Supported Metalloporphines as novel and bioinspired Lignolytic Peroxidase-like Catalysts." Doctoral thesis, Università degli Studi di Cagliari, 2011. http://hdl.handle.net/11584/266340.

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Current, classical delignification processes are affected by some economical and environmental drawbacks. These approaches often seem to be inadequate, particularly in the perspective of a sustainable green process. Since immobilized metalloporphines can strictly emulate the active site of ligninolytic peroxidases, their use in delignification processes has been presented and future trends outlined. In order to achieve a structural emulation, several coordinating groups have been used to coordinatively immobilize metalloporphines. Synthesized adducts have been characterized by UV/vis and I
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Cussó, Forest Olaf. "Highly enantioselective epoxidation with hydrogen peroxide and biologically inspired iron and manganese catalysts." Doctoral thesis, Universitat de Girona, 2016. http://hdl.handle.net/10803/393903.

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Asymmetric epoxidation is one of the most important reactions in synthetic organic chemistry, because chiral epoxides act as versatile electrophiles which can be converted in a number of interesting and useful chiral products. It’s known that current methodologies for obtaining excellent enantioselectivities need to be improved in terms of reaction times, use of not expensive or toxic metals, and avoidance of chlorinated solvents and oxidants that produce undesired wastes. Natural systems, such as iron enzymes are capable of perform this chemistry with high selectivity and efficiency under ver
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Seeba, Marten. "Bioinspired dinuclear copper complexes for catalytic oxidation of phenolic substrates." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2017. http://hdl.handle.net/11858/00-1735-0000-002E-E4DC-8.

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Books on the topic "Catalyse bioinspirée"

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Weigand, Wolfgang, and Philippe Schollhammer, eds. Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.

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Weigand, Wolfgang, and Philippe Schollhammer. Bioinspired Catalysis: Metal-Sulfur Complexes. Wiley & Sons, Incorporated, John, 2014.

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Weigand, Wolfgang, and Philippe Schollhammer. Bioinspired Catalysis: Metal-Sulfur Complexes. Wiley & Sons, Incorporated, John, 2014.

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Weigand, Wolfgang, and Philippe Schollhammer. Bioinspired Catalysis: Metal-Sulfur Complexes. Wiley-VCH Verlag GmbH, 2014.

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Weigand, Wolfgang, and Philippe Schollhammer. Bioinspired Catalysis: Metal-Sulfur Complexes. Wiley & Sons, Incorporated, John, 2014.

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Weigand, Wolfgang, and Philippe Schollhammer. Bioinspired Catalysis: Metal-Sulfur Complexes. Wiley & Sons, Limited, John, 2014.

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JALILA. Copper Bioinorganic Chemistry Health Bhb : Copper Bioinorganic Chemistry: From Health to Bioinspired Catalysis. World Scientific Publishing Co Pte Ltd, 2023.

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Book chapters on the topic "Catalyse bioinspirée"

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Swiegers, Gerhard F., Jun Chen, and Pawel Wagner. "Bioinspired Catalysis." In Bioinspiration and Biomimicry in Chemistry. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118310083.ch7.

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Wächtershäuser, Günter. "From Chemical Invariance to Genetic Variability." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch1.

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Dance, Ian. "A Unified Chemical Mechanism for Hydrogenation Reactions Catalyzed by Nitrogenase." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch10.

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Henderson, Richard A. "Binding Substrates to Synthetic Fe-S-Based Clusters and the Possible Relevance to Nitrogenases." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch11.

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Kumar, Davinder, and Craig A. Grapperhaus. "Sulfur-Oxygenation and FunctionalModels of Nitrile Hydratase." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch12.

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Schulzke, Carola, and Ashta Chandra Ghosh. "Molybdenum and Tungsten Oxidoreductase Models." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch13.

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Tran, Phong D., Marc Fontecave, and Vincent Artero. "Electrode Materials and Artificial Photosynthetic Systems." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch14.

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Nicolet, Yvain, and Juan C. Fontecilla-Camps. "Fe-S Clusters: Biogenesis and Redox, Catalytic, and Regulatory Properties." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch2.

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Dawson, Joe, Carlo Perotto, Jonathan McMaster, and Martin Schröder. "[NiFe] Hydrogenases." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch3.

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Apfel, Ulf-Peter, François Y. Pétillon, Philippe Schollhammer, Jean Talarmin, and Wolfgang Weigand. "[FeFe] Hydrogenase Models: an Overview." In Bioinspired Catalysis. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664160.ch4.

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Conference papers on the topic "Catalyse bioinspirée"

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Santi, Claudio, Marcello Tiecco, Lorenzo Testaferri, et al. "Bioinspired Use of Organoselenium Catalysts." In The 15th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2011. http://dx.doi.org/10.3390/ecsoc-15-00665.

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Sutter, Thomas M., Matthew B. Dickerson, Terry S. Creasy, Jeffery W. Baur, and Ryan S. Justice. "Development of Localized, Light-Weight Pressurization Mechanisms: Approach, Feasibility, and Impact." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-8111.

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This work presents a novel gas-generation mechanism designed to enable bioinspired actuators. Specifically, the fundamental aspects involved in harnessing the gaseous products from biologically catalyzed reactions and recycling the gases into an actuation pressurization scheme are explored. The capability of having such a self-regulating, self-regenerating system of gas generation could provide the necessary pneumatically-driven force to enable devices that require localized pressurization, such as rubber muscle actuators. This work reports 1) the utilization of biological systems to produce g
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