2405 search results for “critical metals” in the Public website
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Quantum critical metals at vanishing fermion flavor number
Quantum critical metals at vanishing fermion flavor number.
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Transition to electric vehicles puts heavy pressure on production of critical metals
The current production of a number of critical metals is insufficient for the large-scale transition to electric vehicles. This is the conclusion of a report by environmental scientist Benjamin Sprecher and organisations Copper8 and Metabolic. As a solution, they advocate more electric car-sharing,…
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Metal constraints for a low-carbon economy?
This was the question Leiden researchers from the Institute of Environmental Sciences CML posed in an article published last week in the journal Resources, Conservation, Recycling
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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
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Metals in LCIA
A critical look at the impact assessment modelling of metals in Life Cycle Impact Assessment and improvement options.
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Hydrogen dissociation on metal surfaces
Promotor: G. J. Kroes
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The Metals Programme
Accumulation of metals in economy and environment and its associated risks, within the Netherlands and the EU.
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Light-activatable metallodrugs and metal-functionalized liposomes
Metal-containing molecules combine geometrical features and a reactivity that are inherently different from that of organic molecules. My research focuses on light-activatable metal-based anticancer drugs and metal-functionalized liposomes. Light is a very selective way to activate photosensitive drugs…
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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?
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Metals for Catalysis and Sustainability
Central in coordination and organometallic chemistry is the synthesis of new chelating ligands, the synthesis and characterization of metal complexes with these ligands, and the study of their properties. An important goal in my research is to create understanding of the relation between the structures…
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Quantitative modelling of the response of earthworms to metals
Promotor: Prof.dr. W.J.G.M. Peijnenburg, Co-promotor: Dr. ing. M.G. Vijver
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Resolving gas-phase metallicity in galaxies
Galaxies are environments where gas coalesces, cools, and is converted into stars. However, it remains unclear the exact mechanisms through which galaxies acquire, redistribute and lose their gas.
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Understanding the uptake and internal distribution of metallic nanoparticles in Danio rerio larvae
The aim is to discover where differently shaped metal nanoparticles distributes in Danio rerio, linking the distribution with genomic responses and so come up with a Mode of Action.
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Metals in Catalysis, Biomimetics & Inorganic Materials
Coordination chemistry is the chemistry of metal atoms "coordinated" by other atoms, ions or molecules. Important challenges in the research on coordination and organometallic chemistry are to understand the relation between the ligand and metal complex structures and the (catalytic) properties of the…
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Sander van Nielen
Science
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Georgios Pallas
Science
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consistent methodology for assessment of the combined effects of metal-based chemicals to lettuce (Lactuca sativa L.)
How to improve the method in quantifying the combined effects of metal-based chemicals?
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Towards a chemically accurate description of reactions on metal surfaces
How can we make make accurate predictions for reactions of molecules on metal surfaces?
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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.
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Solution for Critical Raw Materials - an European Export Network (SCRREEN)
Where and how are critical materials currently used and how can this information be used to develop scenarios about their future demand.
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Electrocatalytic reduction of CO2 and nitrate on immobilized metal porphyrins
M.T.M. Koper, Co-promotor: D.G.H. Hetterscheid
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Development of an Adverse Outcome Pathway (AOP) for metallic nanoparticles
What is the mechanism of action preceding a physiological effects induced by metallic nanoparticles?
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The Critical Visitor
The Heritage Sector at a Crossroads: The way of Intersectionality. This project investigates how heritage institutions can achieve inclusion and accessibility within their organization, collection, and exhibition spaces that meets the breadth of demands placed by today’s “critical visitors.” Fifteen…
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Quantum dynamics of dissociative chemisorption of CH4 on metal surfaces
The dissociation of CH4 into CH3 + H on a metal surface is the rate determining step in processes which produce hydrogen, such as steam reforming and catalytic partial oxidation. Ultimately, we want to study the dissociation of methane on Ni(111) and Pt(111) quantum mechanically while taking into account…
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Metals in the diffuse gas around high-redshift galaxies
Promotores: Prof.dr. J. Schaye & Prof.dr. C. Steidel (California Institute of Technology)
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candidate to study the relationship between protein folding and metal-binding
Science, Leiden Institute of Chemistry (LIC)
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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
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Self-assembly properties and applications of metal-binding peptides and proteins
It is estimated that approximately 30% of all proteins require a metal to function. Investigating the relationship between metal-binding and peptide/protein folding allows us to uncover fundamental rules for creating metallo-peptides and proteins, which in turn leads to the creation of new structures,…
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Nano shapes micro : Impacts of metallic nanoparticles on microbial communities
This thesis aimed to investigate the impact of exposure dynamics, relative contributions of ENPs(particle) and ENPs(ion), and dosing regimens on the toxicity of ENPs varying in different physico-chemical properties, on the composition and functioning of soil microbial communities.
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Quantum dynamics of dissociative chemisorption of hydrogen and other diatomic molecules on metal surfaces
It is possible to treat the dynamics of the dissociation of hydrogen on metal surfaces quantum mechanically, while taking into account the motion in all six molecular degrees of freedom without making approximations. Because the approximations of neglecting surface phonons and electron-hole pair excitation…
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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.
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Quantum critical metals at vanishing fermion flavor number
PhD Defence
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initio molecular dynamics calculations on reactions of molecules with metal surfaces
Promotor: Prof.dr. G.J. Kroes
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The power of biotic ligand models : site-specific impact of metals on aquatic communities
Promotor: Prof.dr. G.R. de Snoo, Co-promotores: Dr. ing. M.G. Vijver, J.P.M. Vink
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Queering the Museum: Contemporary Artists and Curators as ‘Critical Visitors’ and their Creative Interventions
Doctoral research on recent developments in museological practices by “critical” curators, interventionist artists, and personnel initiatives, focusing on ‘queering’ as an entrance point to broader intersectional issues; resulting in a report on the ‘Queer Baseline’ (to be launched in 2020), a popular…
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Transmedia storytelling for critical engagement
Leiden University and VU Amsterdam are developing a joint research project for a digital platform on which you can compose and share storylines with the use of images. Such interactivity will make a boring high school history lesson much more exciting and personalized. Furthermore, it will stimulate…
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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…
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Critical Readings on Global Slavery (4 vols.)
These four volumes offer students and researchers a rich collection of published works on the history of slavery works by some of the most preeminent scholars in the field.
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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.
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Buddhist and Hindu Metal Images of Indonesia: Evidence for shared artistic and religious networks across Asia (c.6th-10th century)
Mathilde Mechling defended her thesis on 28 january 2020.
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Bridging Art, Design and Technology through Critical Making
How can the concept of Critical Making be expanded into a general approach that ties the critical methodology of artistic research, and the established concepts of artistic autonomy, together with contemporary creative-technological development?
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Dionysius of Halicarnassus and Augustan Rome. Rhetoric, Criticism and Historiography
Dionysius of Halicarnassus and Augustan Rome: Greek culture in the Roman world.
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Japanese Expanded Cinema and Intermedia: Critical Texts of the 1960s
This edited collection brings together canonical texts on intermedia and expanded cinema in 1960s Japan, most of which translated into English for the first time, in hope to introduce the local critical discourse on this subject to international readership.
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Party, State, Revolution. Critical Reflections on Zizek's Political Philosophy
Slavoj Žižek is one of the most prominent public intellectuals of the left. His central claim holds that “today, it is more crucial than ever to continue to question the very foundations of capitalism as a global system”.
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Islam in North Africa: A Critical Return to Youth
In recent years, and especially since the ‘Arab Spring’ of 2011, a growing body of research, media reporting, and scholarly literature has focused on the role of ‘Arab youth’ as the drivers of social and political movements across the Middle East and North Africa.
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Learn about the Circular Economy of Metals
On 22 January 2018, the Massive Open Online Course ’A Circular Economy of Metals: Towards a Sustainable Societal Metabolism’ kicks off. This course is developed and taught by associate professor Ester van der Voet.
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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.
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Critical edition and annotated translation of the Niśvāsamukha
This project will lead to a critical edition and annotated translation of the Niśvāsamukha, the opening book of the Niśvāsatattvasaṃhitā.
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The use of computational toxicology in hazard assessment of engineered nanomaterials
Assessing the risks of engineered nanomaterials (ENMs) solely on the basis of experimental assays is time-consuming, resource intensive, and constrained by ethical considerations (such as the principles of the 3Rs of animal testing). The adoption of computational toxicology in this field is a high p…
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Making Matters. Collective Material Practices in Critical Times
The NWO-funded research project Critical Making engages with practices that cross the disciplinary boundaries of art, design, engineering and technological making, and (artistic) social intervention.