2,255 zoekresultaten voor “the use of evidence in the policy making processen” in de Publieke website
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Galaxies and the structures in which they are embedded
Wetenschappers bij de Leidse Sterrewacht onderzoeken de fundamenteel natuurkundige verschijnselen die voor structuur in het heelal zorgen. Deze processen brengen materie bijeen tot sterrenstelsels en gas bijeen tot sterren. Met behulp van krachtige telescopen en geavanceerde berekeningen en computersimulaties…
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Photosynthetic light reactions at the gold interface
Promotor: T.J. Aartsma, Co-promotor: R.N. Frese
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Systems pharmacology of the endocannabinoid system
In this thesis, a system pharmacology approach, integrating metabolomics, pharmacology and chemical biology, was applied to understand and modulate the endocannabinoid system across different model systems (cells, zebrafish, mice and humans).
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Algorithms for the description of molecular sequences
Promotor: J.N. Kok, P.E. Slagboom Co-promotor: J.F.J. Laros
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Gravitational waves through the cosmic web
The first direct detection of gravitational waves opened the possibility of mapping the Universe via this new and independent messenger.
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Histone-DNA assemblies in archaea. Shaping the genome on the edge of life
All life on earth contains DNA, which is used to store biological information. Organisms compact their DNA in order for it to fit inside their cell(s).
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Understanding the complexity of intelligence problems
The complexity of an intelligence problem determines to a great extent the certainty that can be provided by intelligence and security services.
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Radio galaxies near the epoch of reionisation
This thesis explores the theoretical and observational properties of distant massive galaxies that harbour active black holes in their centres and shine brightly at radio wavelengths.
- Exploring the Medieval Archive (5 ECTS)
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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?
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Unveiling the nature of giant radio galaxies
The thesis deals with the study of giant radio galaxies (GRGs), which are radio galaxies of megaparsec sizes.
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On the computation of norm residue symbols
An algorithm is discussed to compute the exponential representation of principal units in a finite extension field F of the p-adic rationals.
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Foam rheology near the jamming transition
Promotor: Prof.dr. M.L. van Heck, Co-Promotor: B.P. Tighe
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The UN’s Summit of the Future: Advancing Multilateralism in an Age of Hypercompetitive Geopolitics
In dit artikel gaan Joris Larik en Richard Ponzio in op het belang van de Summit of the Future om multilaterale samenwerking een nieuw leven in te blazen en te versterken in een tijdperk van toenemende concurrentie tussen de grootmachten.
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From Star-formation to Recombination: Expanding our View of the Radio-Recombination-Line Universe
The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).
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Glucocorticoid modulation of the immune response
Glucocorticoids (GCs) are widely prescribed as anti-inflammatory drugs due to their well-established immunosuppressive effects.
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Longo, The Politics of Borders
Political scientist Matthew Longo (Leiden University) takes a detailed look at the evolution of border security in the United States after 9/11. Far from the walls and fences that dominate the news, he reveals borders to be thick, multi-faceted and binational institutions that have evolved greatly in…
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The Infrared Spectrum of Massive Protostars
We have conducted a full spectral line survey of the 3-13 micron region of two massive protostars, AFGL 2591 and AFGL 2136, for the first time at high spectral resolution.
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The Many Faces Of Online Learning
In this dissertation several settings in the Online Learning framework are studied. The first chapter serves as an introduction to the relevant settings in Online Learning and in the subsequent chapters new results and insights are given for both full-information and bandit information settings.
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mechanisms underlying inflammation and infection control: insights from the zebrafish model
This thesis focuses on the role of chemokine receptors CXCR3 and CCR2 in the inflammatory process and infection control using the zebrafish model.
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Online Course The Great Sustainability Transition
In this course, you will learn about sustainability and staying with the environmental boundaries of our planet. You will gain an understanding of the effects of growing affluence and population growth, the key challenges we are facing, and ways to influence your direct environment.
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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
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Ingredients of the planet-formation puzzle
High-angular-resolution observations of the circumstellar material have uncovered numerous and very diverse substructures in protoplanetary discs, raising the question of whether they are caused by forming planets or other mechanisms.
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On the optimization of imaging pipelines
In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…
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Verdun, How the European Union is Responding to the COVID-19 Crisis
De coronacrisis vraagt om een grensoverschrijdende aanpak en samenwerking tussen landen. De Europese Unie, echter, speelde tot dusverre geen sleutelrol. Politicoloog Amy Verdun (Universiteit Leiden) legt uit waarom.
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Rebel Legal Order, Governance and Legitimacy: Examining the Islamic State and the Taliban Insurgency
Dit artikel onderzoekt hoe ISIS en de Taliban steun hebben gekregen door hun parallelle rechtssystemen.
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The persistence of space: formalizing the polysemy of spatial relations in functional elements
Op 20 juni promoveert Camil Staps. Het Leiden University Centre for Linguistics feliciteert Camil!
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residents’ views on food waste and food-related packaging practices in The Hague, Netherlands
Dit onderzoek richt zich op hoe de voedselconsumptie en -verspilling van huishoudens tijdens COVID-19 werd aangepast aan de levensstijl.
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Data Centres for Natural Recources and Products
Creating information portals for support of European environmental policy.
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In vitro investigation of the photoprotection mechanism of Light Harvesting Complex II
Solar energy is used by photosynthetic organisms to drive energy required cellular processes. Is absorbed by two groups of pigments, located in the LHCs.
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Pulling the Brakes on Political Violence: How Internal Brakes Limited Violent Escalation from the Provisional IRA
Onder welke omstandigheden beperken paramilitaire groepen hun gebruik van politiek geweld? Dit artikel onderzoekt het gebruik hiervan door de PIRA.
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Offering the Carrot and Hiding the Stick? Conceptualizing Credibility in UN Peacekeeping
In dit artikel bespreekt Vanessa Newby, universitair docent bij het Instituut Security and Global Affairs, geloofwaardigheid in vredesoperaties. Het artikel betoogt dat geloofwaardigheid in vredesoperaties moet worden opgebouwd met het oog op zowel afschrikking als samenwerking.
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The pervasive informality of the international cybersecurity regime: Geopolitics, non-state actors and diplomacy
De auteurs analyseren twee belangrijke factoren die informaliteit verdiepen, namelijk multipolaire geopolitiek en de opkomst van niet-statelijke actoren.
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Light Weighed: On the Statistics and Systematics of Weak Gravitational Lensing
In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.
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Restoration of ditch bank plant diversity : the interaction between spatiotemporal patterns and agri-environmental management
Promotor: G.R. de Snoo, Co-promotor: C.J.M. Muster
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Engaging students in the study of physics: An investigation of physics teachers' belief systems about teaching and learning physics
Dit proefschrift omvat vier deelstudies naar de inhoud en structuur van de opvattingssystemen van natuurkundedocenten over het leren en onderwijzen van natuurkunde in het voortgezet onderwijs (VO) in Nederland.
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Dynamics of the Oort Cloud and Formation of Interstellar Comets Santiago Torres Rodriguez
The solar system was formed approximately 4.56 billion years ago. Despite the numerous theories that have been developed over the years, the formation and evolution of the solar system still remain unclear.
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Unraveling the auxin mechanism in 2,4-D induced somatic embryogenesis in Arabidopsis thaliana
Promotor: P. J. J. Hooykaas, Co-promotor: R. Offringa
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Internationaal boekproject Scarcity and the State
Onder de gezamenlijke titel ‘Scarcity and the State’ verschenen onlangs twee Engelstalige boeken over de verdeling van schaarse publieke rechten (Intersentia 2016). Paul Adriaanse (UL), Frank van Ommeren (VU), Willemien den Ouden (UL) en Johan Wolswinkel (Tilburg University) voerden de redactie. Aan…
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On the Galois closure of commutative algebras
Promotores: H.W. Lenstra, B. Erez, Co-promotor: L. Taelman
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Bridging the gap between physics and chemistry in early stages of star formation
A dense region of a gaseous and dusty cloud collapses to form a protostar surrounded by a disk and an envelope. This thesis uses both observations and models to study physical and chemical conditions of these protostellar systems which are likely where planets start to form.
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Exploring and exploiting the mechanism of mycelial pellet formation by Streptomyces
Promotor: G.P. van Wezel
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meta-analysis of wetland plant traits in relation to the strategies of wetland plants and the impacts on ecosystem functioning
What are trait-trait relationships in wetlands? To what extent the so-called leaf economics traits deviate from terrestrial ecosystems? How traits specific to wetland plant relate to plant strategies? What’s the relationship between wetland plant traits to the ecosystem functioning (e.g. productivity,…
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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.
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The Archaeology of Migration and Ethnic Minorities
Congres/symposium
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Unravelling the Developmental Origins of Disease: The Power of Mesenchymal Stromal Cells and Monochorionic Twins
Promotie
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Leiden University Centre for the Arts in Society
Het Leiden University Centre for the Arts in Society (LUCAS) is wereldwijd een van de weinige onderzoeksinstituten waar wetenschappers op het gebied van literatuur, beeldende kunst, architectuur, design en mediastudies samenkomen om onderzoek te doen naar de culturele productie van de westerse wereld,…
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Painting with starlight : optical techniques for the high-contrast imaging of exoplanets
This thesis describes the development and validation of new high-contrast imaging techniques, with the ultimate goal of enabling the next generation of instruments for ELT-class telescopes to directly image Earth-like extra-solar planets orbiting around nearby stars.
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Too controversial for the court?
De invloed van politiek gevoelige zaken op publiek vertrouwen in rechters
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The structure of a working catalyst: from flat surfaces to nanoparticles
Promotor: Prof.dr. J.W.M. Frenken