116 zoekresultaten voor “metal bioavailability” in de Publieke website
-
Quantitative modelling of the response of earthworms to metals
Promotor: Prof.dr. W.J.G.M. Peijnenburg
-
Metals in LCIA
A critical look at the impact assessment modelling of metals in Life Cycle Impact Assessment and improvement options.
-
Quantifying the toxicity of mixtures of metals and metal-based nanoparticles to higher plants
Promotores: Prof.dr. W.J.G.M. Peijnenburg & Dr. M.G. Vijver
-
Quantum critical metals at vanishing fermion flavor number
Quantum critical metals at vanishing fermion flavor number.
-
Hydrogen dissociation on metal surfaces
Promotor: G. J. Kroes
-
Hydrogen dissociation on metal surfaces
Dissociative chemisorption is an important reaction step in many catalytic reactions.
-
Translational Symmetry Breaking in Holographic Strange Metals
In this thesis, we have used numerical approaches to study the effects of translational symmetry breaking on strange metallic systems as realised by the holographic duality.
-
The Metals Programme
Accumulation of metals in economy and environment and its associated risks, within the Netherlands and the EU.
-
consistent methodology for assessment of the combined effects of metal-based chemicals to lettuce (Lactuca sativa L.)
Hoe kan de methode om de gecombineerde effecten van metaal-gebaseerde chemische stoffetn te bepalen worden verbeterd?
-
Flows of six heavy metals
Can we provide the Dutch government with an integrative framework, wherein the various policies can be placed and the need for further measures can be identified?
-
Metals, energy and geopolitics, a complex mix
Lezing, Tuesday Talks: Science Insights
-
Redox Interconversion between Metal Thiolate and Disulfide Compounds
In the last decade, the redox interconversion between metal thiolate and disulfide compounds has been extensively investigated for copper, but not for other transition metal ions.
-
Towards a Sustainable and Circular Metals Economy
In-use stocks of products can be considered as intermediaries between human needs and the physical world.
-
Electrocatalytic reduction of CO2 and nitrate on immobilized metal porphyrins
M.T.M. Koper, Co-promotor: D.G.H. Hetterscheid
-
Metals in the diffuse gas around high-redshift galaxies
Promotores: Prof.dr. J. Schaye & Prof.dr. C. Steidel (California Institute of Technology)
-
highly accurate density functionals for H2 dissociation on transition metals
Metals surfaces form a group of effective catalysts for the reaction of small molecules such as hydrogen (H2).
-
appropriate dose metrics for evaluating dose-response relationships of metal-based nanoparticles to Zebrafish embryos
Promotores: Prof.dr. W.J.G.M. Peijnenburg & Dr. M.G. Vijver
-
Accurate modeling of the dynamics of dissociative chemisorption on metal surfaces
Fundamental understanding of molecular reactions on metal surfaces is important for improving heterogeneous catalysis.
-
Transition metal compounds with S/N-functionalized NHC ligands: structures, redox properties and electrocatalytic activity
The research described in this thesis focused on the preparation of S/N functionalized carbene ligands and their transition metal complexes, and the exploration of their application as electrocatalysts for proton reduction.
-
initio molecular dynamics calculations on reactions of molecules with metal surfaces
Promotor: Prof.dr. G.J. Kroes
-
The power of biotic ligand models : site-specific impact of metals on aquatic communities
Promotor: G.R. de Snoo, Co-promotores: M.G. Vijver, J.P.M. Vink
-
CO2 reduction on post-transition metals and their alloys: an industrial approach
This thesis focuses on the synthesis, characterization and performance towards CO2 electroreduction of mono and bi-metallic particles based on p-block metals
-
Design and synthesis of metal-based chemotherapeutic agents for targeted DNA interactions or DNA repair pathway modulation
The research presented in this thesis explores the chemotherapeutic potential of metal-based compounds as chemotherapy agents, with an initial focus on the synthesis and DNA interaction studies of platinum and palladium compounds utilizing the [Pt(bapbpy)]2+ scaffold. The study identifies intercalation…
-
Activity Relationship (QNAR) Models Predicting the Toxicity of Metal-based Nanoparticles to Aquatic Species
Describe and identify what dosimetry parameters are of importance to interpret dose-response relationships (eg., mortality, sub-lethal, growth or reproduction inhabitation, DNA damage and reactive oxygen species, etc. ) for metal-based nanoparticles? How to develop quantitative models that enable to…
-
Final presentations Area Study Sustainability: Wheels of Metals
Friday 30 January 2015 were the final presentations of the last course of the Minor Sustainable Development.
-
Luminescence and applications of lanthanoid coordination polymers
Promotor: E. Bouwman, Co-Promotor: S. Bonnet
-
Podcast Metal Health met psycholoog Bart Verkuil genomineerd voor Dutch Podcast Awards
De Dutch Podcast Awards reikt sinds 2018 jaarlijks prijzen uit aan podcastmakers in Nederland. Podcast 'Metal Health' is genomineerd in de categorie 'Nieuwkomer' en maakt daarnaast kans op de publieksprijs. Uitreiking 6 november.
-
Develop a methodology for assessing the effective dose of nanomaterials for environmental risk assessment purposes
How to make a quantitative assessment of the relative contribution to toxicity of ions and particles? Is the toxicity of nanoparticles related to their size or shape? Which physicochemical property of nanoparticles is an appropriate dose metric of nanoparticles?
-
Observing what cannot be observed: computational electrochemistry from carbon to hydrogen
In this thesis, we consider various (electro)chemical phenomena at surfaces and nanoparticles and their underlying atomistic processes, which we studied using first-principles methods such as density functional theory.
-
Ruthenium-peptide conjugates for targeted phototherapy
As leading cause of death worldwide, cancer is responsible for nearly 10 million deaths in 2020 according to World Health Organization (WHO). Cisplatin and its derivatives are commonly used chemotherapy agents for current cancer treatment in the clinics.
-
Microscopy and Spectroscopy on Model Catalysts in Gas Environments
In surface science there is great effort to move from studying simple, flat model surfaces in vacuum to investigating more complex model catalysts in gas environments (in situ). This thesis gives three examples of such studies using microscopy and spectroscopy.
-
Cathodic corrosion
Cathodic corrosion is a relatively unknown phenomenon that can severely etch metallic electrodes at cathodic (negative) potentials.
-
Martina Vijver
Wiskunde en Natuurwetenschappen
vijver@cml.leidenuniv.nl | +31 71 527 1487
-
Zhenyang Chen
Wiskunde en Natuurwetenschappen
z.chen@cml.leidenuniv.nl | +31 71 527 2727
-
Biotic ligand models
Description of Biotic ligand models: making an inventory of available models & assessment of the variability of the predicted HC5 using the BLMs in different Dutch water types (2005 - 2007)
-
Surface plasmon lasers
Surface plasmons (SPs) are surface waves at the interface between a dielectric and a good metal, and are formed by the interaction between light and the free electrons at the metal-dielectric interface. They provide strong field confinement for optical fields, opening new possibilities for enhanced…
-
Electrochemical and surface studies of the effect of naphthalene-based additives on tin electrodeposition
Tin electrodeposition applications have rapidly evolved in the past 25 years.
-
Spin transport and superconductivity in half-metallic nanowires and junctions
The interest of this thesis lies in spin transport in normal metals and superconducting half-metallic junctions.
-
Reactivity of cobalt(II)-dichalcogenide complexes: correlation between redox conversion and ligand-field strength
The redox-conversion reaction of metal-disulfide and metal-thiolate complexes are important, as they may shed light on electron-transfer reactions that often occur in Nature.
-
Molecular and Nano-Engineering with Iron, Ruthenium and Carbon: Hybrid structures for Sensing
Metal complexes and 2D materials like graphene were combined to produce structures that can function as sensors.
-
Galaxy formation traced by heavy element pollution
Galaxies form and evolve through close interaction with their surroundings. As a result, the heavy elements ('metals') that are synthesized in stars, are found both inside and outside galaxies.
-
From supernovae to galaxy clusters: observing the chemical enrichment in the hot intra-cluster medium
Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa
-
Visualizing strongly-correlated electrons with a novel scanning tunneling microscope
Materials with strongly correlated electrons show some of the most mysterious and exotic phases of quantum matter, such as unconventional superconductivity, quantum criticality and strange metal phase.
-
Translational Symmetry Breaking in Holographic Strange Metals
Promotie
-
PUMA (Prospecting the Urban Mines of Amsterdam)
PUMA aims at composing a geological map of the urban mine of Amsterdam for a selection of metals. Where are main deposits of copper, iron and aluminium located, when will they become available for secondary production, in what state and shape are they?
-
Surface-structure dependencies in catalytic reactions
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
-
Discovery of Reversible Monoacylglycerol Lipase Inhibitors
Monoacylglycerol lipase (MAGL) is the principal enzyme responsible for hydrolysis of the endocannabinoid 2-arachidonoylglycerol (2-AG). MAGL inhibition provides several potential therapeutic opportunities, including anti-nociceptive, anti-inflammatory and anti-cancer activity.
-
Semi-empirical approach to the simulation of molecule-surface reaction dynamics
Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.
-
René Kleijn op radio en tv over koolstofarme energie
Hoe gaan we in de toekomst energie opwekken zonder nog meer bij te dragen aan de opwarming van de aarde? Industrieel ecoloog René Kleijn spreekt over koolstofarme energie op radio en tv voor het programma Focus, en vertelt erover in de VPRO-gids.
-
SiTaSol
What are the life-cycle environmental impacts and risks to human health and ecosystems of a III-V/Si PV system? How can these be expected to change when the system is deployed at industrial scale? What are the most favourable recycling scenarios?