745 zoekresultaten voor “state formation” in de Publieke website
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Extremely loud & incredibly far: observing radio bright AGN into the cosmic dawn
In this thesis new methodologies are developed for the detection and systematic study of radio sources in the early universe. This allows us to gain a deeper understanding of the formation and evolution of galaxies, the activity of supermassive black holes, and the final phase transition of our universe:…
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Breaking & Entering: PAH photodissociation and top-down chemistry
Laboratory, observation and modeling work on the dissociation of polycyclic aromatic hydrocarbons in interstellar environments and the formation of new molecular species through the fragmentation process.
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Azië
Azië en Europa hebben in toenemende mate met elkaar te maken. Om een duurzame samenwerking te bevorderen is het belangrijk elkaar op economisch, sociaal-cultureel, historisch, en juridisch gebied beter te begrijpen. Leidse wetenschappers leveren al decennia een belangrijke bijdrage aan de verwerving…
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The physics of nanowire superconducting single-photon detectors
Promotores: Prof.dr. D. Bouwmeester, Prof.dr. A. Fiore (TU Eindhoven)
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Lipid bilayers decorated with photosensitive ruthenium complexes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
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High-throughput simulation studies of angiogenesis - Reverse engineering the role of tip cells and pericytes in vascular development
Promotor: Prof.dr. R.M.H. Merks
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Ewine van Dishoeck
Wiskunde en Natuurwetenschappen
ewine@strw.leidenuniv.nl | +31 71 527 5814
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The hunt for frozen organic molecules in space
Complex Organic Molecules (COMs) have been detected in objects across different stages of stellar evolution.
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Paul van Trigt
Faculteit der Geesteswetenschappen
p.w.van.trigt@hum.leidenuniv.nl | +31 71 527 1349
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Inducing spin triplet superconductivity in a ferromagnet
Promotor: J. Aarts
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Tracing the evolution of protoplanetary disks
Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L.B.F.M. Waters (UvA), Prof.dr. C. Dominik (UvA)
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Discovery and characterization of new glucosylated metabolites: pathophysiological consequences
Within this thesis the central stage is taken by the discovery and investigation of transglycosylation of sterols. First, investigation focuses on the development of a method to accurately detect and quantify glucosylated metabolites in biological materials.
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Accelerating the Photocatalytic Water Splitting in Catalyst−Dye Complexes
As a virtually inexhaustible source, solar energy plays a major role in future global energy scenarios.
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Play by the rules? : coordination of EU sustainable development policies and the importance of the politico-legal context
There is an increasing amount of attention on EU and its Member States contributions to implementation of two landmark agreements: the Paris Climate Agreement and the UN Agenda 2030 with Sustainable Development Goals (SDGs). Absent from the current literature is an analysis of the political effect of…
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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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Stimulated Raman Adiabatic Passage in Optomechanics
In the thesis we demonstrated an 85% state transfer efficiency between two mechanical modes coupled to a common optical mode via stimulated Raman adiabatic passage (STIRAP) in the classical regime. We also showed possibilities to manipulate quantum states of the mechanical modes via STIRAP.
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Evolutionary diversification and historical biogeography of Orchidaceae in Central America with emphasis on Costa Rica and Panama
In this thesis, I targeted the orchid genus Lepanthes, one of the six genera of angiosperms that surpasses 1,000 species in the Neotropics, as a study model to investigate the evolutionary processes that promoted species diversifications.
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Application of zebrafish and murine models in lipoprotein metabolism and atherosclerosis research
Cardiovascular diseases are still a major concern for the global health.
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Modeling interstellar bubbles: near and far
Promotor: Prof. dr. A.G.G.M. Tielens
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Macrophage activation and cholesterol in atherosclerosis development
Current therapies for patients with atherosclerosis are targeted primarily on reducing blood cholesterol, but this fails to prevent a large number of cardiovascular events.95 In order to identify new therapeutic strategies for treating atherosclerosis, it is important to study the interactions between…
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Macrophage activation and cholesterol in atherosclerosis development
Promotores:Th.J.C. van Berkel, M. van Eck
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On the geometry of demixing: A study of lipid phase separation on curved surfaces
Like a mixture of oil and water, lipid membranes separate into two liquid phases.
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Patterns in natural systems
Promotor: A. Doelman, Co-promotores: P.J.A. van Heijster; A. Zagaris
- Seminar 4: The Formation of Discourse Communities in the Early Middle Ages
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Anjali Pandit
Wiskunde en Natuurwetenschappen
a.pandit@chem.leidenuniv.nl | +31 71 527 4198
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Huub de Groot
Wiskunde en Natuurwetenschappen
groot_h@chem.leidenuniv.nl | +31 71 527 4539
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Blowup in the complex Ginzburg-Landau equation
Promotor: Prof.dr. A. Doelman, Co-promotor: V. Rottschäfer
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Quantum local asymptotic normality and other questions of quantum statistics
Promotor: R. Gill, Co-promotor: P. Massart
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NMR Faciliteit
Met de NMR faciliteit doen we onderzoek naar de synthese van paramagnetische moleculen om kennis te vergaren over de structuur en dynamiek van eiwitten. Deze kennis kan dienen als basis voor een medicijn dat zich hecht aan een eiwit of voor de ontwikkeling van vaccins. Medicijnontwikkeling is één van…
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On topological properties of massless fermions in a magnetic field
Make more fluid: In condensed matter systems, electrons can acquire unusual properties from their interaction with the atomic lattice.
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The World of Water
The International Course on Water Use and Management in Cagayan Valley The Philippines (2011-2015)
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Princes and Prophets: Democracy and the Defamation of Power
Op 1 juni 2022 verdedigde Tom Herrenberg het proefschrift 'Prosecutorial Discretion in International Criminal Justice'. Het promotieonderzoek is begeleid door prof.dr. P.B. Cliteur en prof.dr. B.R. Rijpkema.
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Smoothly breaking unitarity : studying spontaneous collapse using two entangled, tuneable, coherent amplifiers
The Copenhagen interpretation of quantum mechanics states that a measurement collapses a wavefunction onto an eigenstate of the corresponding measurement operator.
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'Trump is geen protestpresident': Sara Polak legt het uit bij de Universiteit van Nederland
Het is misschien waar dat veel 'boze' Amerikanen op Donald Trump stemden, maar dat maakt hem geen protestpresident, aldus universitair docent Sara Polak. Trump is een antagonistische president - een tegenwerker van het huidige systeem - die zich omringt met revolutionairen. En dat is uniek. Ze vertelt…
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Less is more: reduced mycelial heterogeneity for improved production of enzymes and antibiotics
Hoe kan de techniek van cell wall engineering worden ingezet zodat de industrie streptomyceten beter kunnen verwerken tot nieuwe antibiotica?
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Functional analysis of agrobacterium tumefaciens virulence protein VirD5
Supervisor: P.J.J. Hooykaas
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Inextricable ties between chemical complexity and dynamics of embedded protostellar regions
Promotor: E. F. van Dishoeck, Co-promotor: C. Walsh
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When galaxy clusters collide: the impact of merger shocks on cluster gas and galaxy evolution
Promotor: Prof.dr. H.J.A. Rottgering
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Linking simple molecules to grain evolution across planet-forming disks
Planets are formed in disks of gas and dust around young stars.
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The connection between mass and light in galaxy clusters
Promotor: Koen Kuijken Co-promotor: Henk Hoekstra
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The stochastic geometry of non-Gaussian fields
Promotor: V. Vitelli, Co-promotor: J. Paulose
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Shining Light on PAHs in Space
Polycyclic aromatic hydrocarbons (PAHs) are the most abundant class of organic compounds in space. The PAH field evolves from the constant interaction between experimentalists, theorists, modellers and observers. While laboratory research and quantum chemical calculations together set up the molecular…
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Matchmaking for open innovation: perspectives on multi-sided markets
Promotores: Prof.dr. B.R. Katzy, Prof.dr. K. Sailer (Munich University)
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Exploring strange new worlds with high-dispersion spectroscopy
Until the 1990s, the only known planets were those in our Solar System. Three decades later, several thousand exoplanets have been discovered orbiting stars other than the Sun, and substantial efforts have been made to explore these strange new worlds through spectroscopic analyses of their atmosphe…
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Image-based phenotypic screening for breast cancer metastasis drug target discovery
The main aim of this thesis was to unravel the signaling and regulatory networks that drive tumor cell migration during breast cancer metastasis.
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Mast cells as immune regulators in atherosclerosis
Cardiovascular syndromes are the major cause of death in Western societies.
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Orion's Dragon and Other Stories
Stellar feedback is a crucial ingredient in the evolution of galaxies.
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1,2-cis-glycosylations: method development and synthesis of complex oligosaccharides
Promotor: G.A. van der Marel, Co-promotor: D.C. Codée
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Growth-induced self-organization in bacterial colonies
Mechanical forces are known to play an important role in bacterial colonies. In this dissertation, we study the self-organization at various stages of growing bacterial colonies, and focus on the mechanical effects of cell growth.
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Not so smooth after all: resolving dust and gas structures in protoplanetary disks
A large diversity of exoplanetary systems has been found, but it is still unclear what drives this diversity.