5,563 zoekresultaten voor “history of science and the occurs” in de Publieke website
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An Online Corpus of UML design models: Construction and empirical studies
Promotores: J. Kok, M. Chaudron (Chalmers University)
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Synthetic, Physical and Computational Chemistry of Propeller-shaped Polycyclic Aromatic Hydrocarbons
This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…
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Two-photon multifocal microscopy for in vivo single-molecule and single-particle imaging
In this thesis we investigated the ability of two-photon multifocal microscopy for single-molecule microscopy in live cells and organisms.
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Enumeration and Simulation of Lattice Polymers as Models for Compact Biological Macromolecules
Promotores: H. Schiessel, G.T. Barkema
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Algorithm selection and configuration for Noisy Intermediate Scale Quantum methods for industrial applications
Quantum hardware comes with a different computing paradigm and new ways to tackle applications. Much effort has to be put into understanding how to leverage this technology to give real-world advantages in areas of interest for industries such as combinatorial optimization or machine learning.
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there yet? Advances in anytime-valid methods for hypothesis testing and prediction
Statistical considerations guide the design and implementation of the experiments that scientists perform. For instance, in a clinical trial about a the efficacy of a treatment, its effect in a certain minimum amount of patients has to be observed in order to make confident assertions about the efficacy…
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Magnetic imaging of spin waves and magnetic phase transitions with nitrogen-vacancy centers in diamond
The elementary excitations of magnets are called spin waves, and their corresponding quasi-particles are known as magnons. The rapidly growing field of Magnonics aims at using them as information carriers in a new generation of electronic devices, (almost) free of electric currents.
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Development of automatic image analysis methods for high-throughput and high-content screening
Promotor: Prof.dr. B. van de Water
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Effects of slug herbivory on seedling recruitment in Brassica napus and B. rapa
Promotor: Prof.dr. P.G.L. Klinkhamer, Co-Promotor: T.J. de Jong
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Dyslipidemia, metabolism and autophagy: antigen-independent modulation of T cells in atherosclerosis
Atherosclerosis is the main underlying pathology of cardiovascular disease. Atherosclerosis is caused by an immune response which is directed against (modified) lipoproteins which accumulate in the vessel wall.
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Involvement of host and bacterial factors in Agrobacterium-mediated transformation
Agrobacterium tumefaciens, a gram-negative plant pathogen belonging to the family Rhizobiaceae, is the causative agent of crown gall disease, which can affect many plant species including agronomically important ones.
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Giant unilamellar vesicles: An efficient membrane biophysical tool and its application in drug delivery studies
Promotor: A. Kros
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Molecular inheritance from cloud to disk: a story of complex organics and accretion shocks
Stars like the sun are born in large molecular clouds existing from gas and dust. During the formation process, the chemical composition of the material can be altered drastically by the changing physical conditions.
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Low energy electron transmission through layered materials and chiral organic films
In this Ph.D. thesis we study the interaction of low energy electrons with thin materials, namely layered materials (graphene, hexagonal boron nitride, molybdenum disulfide) and organic films. At these low energies the quantum mechanical wavelength of the electron wave function is in the order of a…
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Grotian Law and Modernity at the Dawn of a New Age - internationaal congres
Ter gelegenheid van het 400e jubileum van de eerste publicatie van 'De jure belli ac pacis' door Hugo Grotius in 1625, wordt een internationaal congres georganiseerd door Stichting Grotiana, het Paul Scholten Centre for Jurisprudence van de Universiteit van Amsterdam, het Grotius Centre for Legal Studies…
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Janine Ubink geeft Cleveringalezing Custom, capitalism and democracy: The case of South Africa
Janine Ubink verzorgt op 2 december de online Cleveringalezing, getiteld ‘Custom, capitalism and democracy: The case of South Africa’.
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Publicatie artikel “Social support at work and at home: Dual-buffering effects in the work-family conflict process”
Dr. Helen Pluut heeft een artikel gepubliceerd in het gerenommeerde tijdschrift Organizational Behavior and Human Decision Processes (OBHDP) in samenwerking met Remus Ilies (National University of Singapore), Petru Curşeu (Open Universiteit en Babeş-Bolyai University) en Yukun Liu (University of Western…
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Girlsday in het Junior Science Lab
In het kader van Girlsday 2010 organiseerde het Junior Science Lab van de Universiteit Leiden op 22 april een middag voor meiden van middelbareschoolleeftijd. Het doel: laten zien hoe leuk werk en studie in de (bio)chemie zijn.
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On transport properties of Majorana fermions in superconductors: free & interacting
Majorana fermions in superconductors are the subgap quasiparticle excitations that are their own antiparticles.
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Surface-structure dependence of water-related adsorbates on platinum
Promotor: M.T.M. Koper, Co-promotor: J.B.F. Juurlink
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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.
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Systems microscopy to unravel cellular stress response signalling in drug induced liver injury
Promotor: B. van de Water
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Image analysis for gene expression based phenotype characterization in yeast cells
Promotores: T.H.W. Bäck, A. Plaat, Co-promotor: F.J. Verbeek
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Insights from scanning tunneling microscopy experiments into correlated electron systems
This thesis presents insights from our study of various correlated electron systems with a scanning tunneling microscope (STM). In ordinary metals, electron-electron interactions exist, but get substantially screened due to the sheer number of electrons.
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Cosmic tomography with weak gravitational lensing
We explored the Universe using weak gravitational lensing, a phenomenon that occurs when light from distant galaxies is bent by the gravitational fields of closer cosmic objects, much like how a lens distorts light.
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Unveiling protostellar disk formation around low-mass stars
Promotor: Prof.dr. E.F. van Dishoeck
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Network flow algorithms for discrete tomography
Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele
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High throughput microscopy of mechanism-based reporters in druginduced liver injury
Promotor: B. van de Water
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Reconstructing Magnetic Fields of Spiral Galaxies from Radiopolarimetric Observations
Promotor: H.J.A. Röttgering, Co-promotor: M. Haverkorn
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Cross-border Claims to Cultural Objects
Op 11 november 2021 verdedigde Evelien Campfens het proefschrift 'Cross-border Claims to Cultural Objects'. Het promotieonderzoek is begeleid door prof.dr. N.J. Schrijver en prof.dr. W.J. Veraart (VU Amsterdam).
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Inverse problems for universal deformation rings of group representations
Promotor: Prof.dr. P. Stevenhagen
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Single-molecule fluorescence in sequence space
The sequence-dependence of biomolecular interactions involving nucleic acids and proteins is essential for numerous processes inside the cell. Insights into the underlying molecular mechanisms have been obtained using various biochemical and biophysical methods on two different levels — bulk and sin…
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Trading Responsibility: navigating national burdens in a globalized world
International trade has played a major role in defining the modern global economy. Trade, however, entangles the environmental pressures of economic sectors, giving the illusion of environmental improvements, while the opposite may be occurring.
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Conspiracy thinking and social media use are associated with ability to detect deepfakes
Deepfakes zijn video’s die gemanipuleerd zijn om twee personen te verwisselen. Ze kunnen moeilijk te onderscheiden zijn van de originele video’s. In onze studie laten we zien dat mensen die meer complotdenken en mensen die meer gebruikmaken van social media beter zijn in het herkennen van deepfakes.
- 25 Years after Hillenbrand: New Approaches to Sources Translation and Perspectives
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Prediction Sets via Parametric and Nonparametric Bayes: with Applications in Pharmaceutical Industry
This thesis consists of five chapters on how to construct prediction sets for different types of data and models in a parametric or nonparametric Bayesian paradigm.
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Opening Junior Science Lab door Leidse wethouder
Het Junior Science Lab wordt door de Leidse wethouder van Economie en Sport, Marc Witteman, officieel geopend op vrijdag 16 oktober. De opening start om 15.00 uur en kan live via de website worden gevolgd.
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Wessel Kraaij directeur Data Science Onderzoeksprogramma
Per 1 maart is prof.dr.ir. Wessel Kraaij benoemd tot directeur van het Data Science Onderzoeksprogramma (DSO) van de Universiteit Leiden. Hij is de opvolger van prof.dr. Joost Kok, die onlangs Leiden verruilde voor de functie van decaan in Twente.
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LUC The Hague Topopleiding 2016
Leiden University College The Hague is één van de beste university colleges van Nederland. Dat blijkt uit de jaarlijkse ranglijst in de Keuzegids Universiteiten 2016.
- Technical Art History Days
- Revolutionary Turmoil and Structural Change - Ethiopia' s 1974 Turning Point in a Global Perspective
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Accessible remote sensing of water
Water is all around us and is vital for all aspects of life. Studying the various compounds and life forms that inhabit natural waters lets us better understand the world around us.
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Befaamd hoogleraar data science naar Leiden
De Universiteit Leiden stelt één van de beste data science onderzoekers ter wereld aan. De Duits-Canadese prof. Holger Hoos werkt aan computers die zichzelf programmeren. ‘Zelflerende computers gaan ons helpen bij vele uitdagingen in interdisciplinaire vakgebieden’.
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Effect of Nanoparticles on Microbial Catabolism and Community Structure using Biolog techniques
1. To what extent do metallic NPs added to soil extractions change the activity, abundance, or community composition of microbes? 2. How do the effects of metallic NPs on soil microbes differ from the effects of the ions shedding from corresponding NPs?
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Stable single molecules for quantum optics and all-optical switches
Promotor: Prof.dr. M.A.G.J. Orrit
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Exploring big data approaches in the context of early stage clinical
Als gevolg van de grote technologische vooruitgang in de gezondheidszorg worden in toenemende mate gegevens verzameld tijdens de uitvoering van klinische onderzoeken.
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‘Open Science’ leidt tot betere wetenschap
De Universiteit Leiden kent een actieve community die Open Science wil stimuleren: transparantie in alle fasen van het onderzoek door elke stap nauwkeurig en openbaar vast te leggen. ‘Het is nu de tijd om je open te stellen’, zeggen de psychologen Anna van ’t Veer en Zsuzsika Sjoerds. De noodzaak van…
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Ruthenium- and cobalt-based artificial metalloenzymes for photocatalytic water oxidation in artificial photosynthesis
Producing green energy has become the main goal in our society in the search of reducing or eliminating the carbon emission from fossil fuels.
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Zeta-values of arithmetic schemes at negative integers and Weil-étale cohomology
This work is dedicated to interpreting in cohomological terms the special values of zeta functions of arithmetic schemes.
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Plasmonic enhancement of single-molecule fluorescence under one- and two-photon excitation
This thesis aims to improve the detection from ultra-weak single emitter by enhancing their emission properties with plasmonic nanostructures. We exploit the wet-chemically synthesized single crystalline gold nanorods (GNRs) as our basic frameworks in the whole studies, simply because of their unique…