200 search results for “oxygen” in the Public website
-
The heart of oxygenic photosynthesis illuminated
Promotor: H.J.M. de Groot, Co-Promotor: A. Alia
-
Catalysis of the electrochemical water oxidation to oxygen
Promotor: M.T.M. Koper, Co-Promotor: F. Calle-Vallejo
-
Heterogenized molecular (pre)catalysts for water oxidation and oxygen reduction
Before the large scale use of renewable energy sources can be implemented in our society, the storage of electrical energy needs to be tackled. Storage the energy as hydrogen via the reduction of protons is a good option.
-
Biomimetic Copper Catalysts for the Electrochemical Oxygen Reduction Reaction
Human civilization consumes a huge amount of fossil fuels, which has resulted in an atmospheric CO2 level which has not been higher in over 800 millennia.
-
Selectivity and competition between the anodic evolution of oxygen and chlorine
Sustainable energy from wind and solar is most readily available near the sea.
-
Interaction of oxygen and carbon monoxide with Pt(111) at intermediate pressure and temperature: revisiting the fruit fly of surface science
Promotor: M.T.M. Koper, Co-promotors: A.I. Yanson, L.B.F. Juurlink
-
Fast Oxygen Reduction Catalyzed by a Copper(II) Tris(2‐pyridylmethyl)amine Complex through a Stepwise Mechanism
The mechanism of the electrochemical reduction of dioxygen by a mononuclear pyridylalkylamine copper complex was investigated (see picture). It was shown that in neutral aqueous solution dioxygen undergoes stepwise reduction, wherein hydrogen peroxide plays a key role. The rate constants determined…
-
Catalysts contribute their own oxygen for reactions
A catalyst: normally a substance that speeds up a chemical reaction, without adding molecules to this reaction. Scientists from the group of Prof. Marc Koper of Leiden University and Prof. Yang Shao-Horn of MIT now discovered that in specific reactions that need oxygen, catalysts called metal oxides…
-
We finally understand how oxygen reacts on platinum
Platinum is a widely used catalyst, but its precise mechanism largely remains a mystery to scientists. Ludo Juurlink has now demonstrated for the first time how oxygen reacts on the platinum surface. Together with PhD students Kun Cao and Richard van Lent and international colleagues he publishes his…
-
Oxygen line opens new perspective on the far universe
A team of astronomers of Leiden University and the University of Texas (Austin, United States) has discovered a new way to map distant galaxies. They did so by observing the fingerprint of oxygen in a distant galaxy, something that is usually not possible from Earth. The researchers will publish their…
-
The electrochemical reduction of dioxygen and hydrogen peroxide by molecular copper catalysts
The electrochemical oxygen reduction reaction (ORR) is an essential half-reaction for the utilization of hydrogen as a sustainable fuel, via the conversion of hydrogen to electrons and protons facilitated by the ORR. In the most common fuel cells, the ORR is requires high loadings of non-abundant platinum…
-
Deciphering the complex paramagnetic NMR spectra of small laccase
Multicopper oxidase, laccase, can efficiently reduce oxygen to water and are mostly used in the enzymatic biofuel cells.
-
The role and analysis of molecular systems in electrocatalysis
Molecular complexes can be used as electrocatalysts for oxygen reduction, water oxidation, and/or hydrogen peroxide production.
-
Steps in gas-surface reactions
Heterogeneous catalysis is essential to many industrial applications. These catalysts are often comprised of supported nanoparticles, which contain various different surface sites.
-
Cluster headache and oxygen
PhD Defence
-
Bas van Dijk
Science
-
Richard van Lent
Science
-
Mechanistic studies of the water oxidation reaction with molecular iron catalysts
In this dissertation iron-based homogeneous catalysts were synthesized, characterized and investigated for water oxidation activity.
-
Iron complexes as electrocatalysts for the water oxidation reaction
In this dissertation, the synthesis and characterization of a series of iron complexes based on different ligand platforms are described.
-
Operando research in electrochemistry
The central theme of Rik Mom’s research group is to identify what the electrode-electrolyte interface looks like when electrocatalysis is taking place. Using specialized forms of Raman and X-ray spectroscopy, we study the chemical state and bonding environment of the electrode surface and near-surface…
-
The Effects of Oxygen in Critical Illness
PhD Defence
-
Enzymatic reduction of oxygen by small laccase
PhD Defence
-
Fighting tumours with light
Chemotherapy that does nothing until you irradiate it with light. Sylvestre Bonnet receives a Vici grant of 1.5 million euros for the development of this treatment. The Leiden chemist wants to build a new molecule to fight tumours that are at the time still difficult to treat.
-
Oxygen titration and compliance in oxygen saturation targeting in preterm infants in the neonatal intensive care unit
PhD Defence
-
Uncovering the ingredients for planet formation
This thesis discusses the physical and chemical processes than influence the composition of forming planets.
-
Chemical functionalization of the graphene surface for electrical and electrochemical sensing application
Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.
-
Linking simple molecules to grain evolution across planet-forming disks
Planets are formed in disks of gas and dust around young stars.
-
Biomimetic Copper Catalysts for the Electrochemical Oxygen Reduction Reaction
PhD Defence
-
Heterogenized molecular (pre)catalysts for water oxidation and oxygen reduction
PhD Defence
-
Tissue culture
This is a facility where research groups or small companies can apply for space if they need to culture human or animal cells.
-
PhD Theses
A full overview of CASC PhD theses.
-
PhD in physical chemistry: operando spectroscopy on IrOx and RuOx electrocatalysts
Science, Leiden Institute of Chemistry (LIC)
-
Invited speakers
Speakers that have accepted to participate:
-
Electrochemical, catalytic and process engineering aspects of gas-forming electrolysis
Koper
-
Surface-structure dependencies in catalytic reactions
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
-
In shape for photoregulation
How does the photoregulation mechanism work in detail?
-
Newton-telescope finds missing intergalactic material
Astronomers from, among others, SRON and Leiden Observatory have discovered long-sought intergalactic gas with ESA’s space telescope XMM-Newton. This gas is one of the pieces of the puzzle to map the total amount of ‘normal’ matter in the universe. The research will be published in Nature on 21 June…
-
FRESH Lecture - Synergistic 'Substrate Activation' and 'Oxygen Activation' in Salicylate Dioxygenase from QM/MM Simulations
Lecture
-
Chemical Biology lecture: Chemistry of Oxygen Sensing in Humans and Other Animals
Lecture
-
Selectivity and competition between the anodic evolution of oxygen and chlorine
PhD Defence
- Oxygen chemisorption on flat and stepped Pt surfaces probed by an alignment-controlled O2 beam
-
Improvisations in phototrophy
Microbial rhodopsins are photosensitive pigments implemented in the growth and adaptation of a large population of microorganisms.
-
Surface-structure dependence of water-related adsorbates on platinum
Promotor: M.T.M. Koper, Co-promotor: J.B.F. Juurlink
-
Water related adsorbates on stepped platinum surfaces
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
-
Adaptive responses to environmental changes in Lake Victoria cichlids
Promotor: Prof.dr. M.K. Richardson, Co-Promotor: F. Witte
-
Patterns of Paleomobility in the Ancient Antilles.
Patterns of paleomobility in the Caribbean were studied through an inter-disciplinary approach using a combination of archaeological, osteological, mortuary, and isotopic data.
-
Wrap the dead
The funerary textile tradition from the Osmore Valley, South Peru, and its social-political implications (2005)
-
Cathodic corrosion
Cathodic corrosion is a relatively unknown phenomenon that can severely etch metallic electrodes at cathodic (negative) potentials.
-
Unraveling the mechanism of multicopper oxidases: from ensemble to single molecule
Promotores: Prof.dr. G.W. Canters, Prof.dr. T.J. Aartsma
-
Autophagy and Lc3-associated phagocytosis in host defense against Salmonella
Control of infectious diseases poses continuous challenges for human health.