1,586 zoekresultaten voor “weitin systems” in de Publieke website
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Simulating the birth environment of circumstellar discs
Circumstellar discs are the reservoirs of gas and dust that surround young stars and have the potential to become planetary systems.
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Time is of the essence: investigating kinetic interactions between drug, endogenous neuropeptides and receptor
Promotor: A.P. IJzerman Co-promotor: L.H. Heitman
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Studies on molecular basics of metabolic syndrome in zebrafish
The research described in this thesis has, using the zebrafish as a model system, shed new light on the intricate relationship between TB and DM2, in particular on the role of leptin, SHP-1 and glucocorticoids.
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Quality-driven multi-objective optimization of software architecture design: method, tool, and application
Promotores: Prof.dr. T.H.W. Bäck, Prof.dr. M.R.V. Chaudron, Co-Promotor: M.T.M. Emmerich
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T-CYCLE EPR: Development at 275 GHz for the study of reaction kinetics & intermediates
A difficulty of studies on chemical kinetics are the reaction time scales and detection of their intermediates.
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Isotopes and the characterization of extrasolar planets
Diverse types of exoplanets such as gas giants on close-in orbits (hot Jupiters) and young massive giants on wide orbits (super Jupiters), with no analogs in the Solar System, pose challenges but also opportunities to our understanding of planet formation and evolution.
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Trustworthy anomaly detection for smart manufacturing
This dissertation explores how we can make anomaly detection—identifying unusual or faulty behavior in complex systems—more trustworthy and effective, with a focus on smart manufacturing.
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The holographic glass bead game: from superconductivity to time machines
Promotores: Prof.dr. J. Zaanen, Prof.dr. K.E. Schalm
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Photocatalytic redox reactions at the surface of liposomes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
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Nanoparticles and Microfluidics for Future Tuberculosis Vaccines
Tuberculosis is a major global health problem caused by the Mycobacterium tuberculosis complex, claiming more than a million lives annually.
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Towards photo-CIDNP MAS NMR as a generally applicable enhancement method
Promotores: Prof.dr. H.J.M. de Groot, Prof.dr. J. Matysik (Universitaet Leipzig)
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Engineering of antigen-saving dissolving microneedles for intradermal vaccine delivery
The intradermal administration route is attractive for vaccine delivery, because of the highly populated antigen-presenting cells in the skin. However, the skin’s main physical barrier, the stratum corneum, prevents vaccines from entering the skin.
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Spectral localisers and aperiodic topological phases in noncommutative geometry
The dissertation offers new tools and insights to computation and modelling of topological phases, with an emphasis on the aperiodic setting.
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Kan al ons voedsel van Nederlandse bodem komen?
De helft van de wereldbevolking zou kunnen leven van voedsel uit eigen land. Dat blijkt uit het onderzoek van milieuwetenschapper Nicolas Navarre. Voor de andere helft is dat minder simpel. Maar niet onmogelijk. 'Door de gewasproductie te verbeteren, minder voedsel te verspillen en eetgewoontes te veranderen…
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Functional fluorescent materials and migration dynamics of neural progenitor cells
In this thesis, time-lapse fluorescent microscopy plays a pivotal role in investigating functional materials within living cells as well as the migratory behaviour of neural progenitor cells.
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A molecular journey : tales of sublimating ices from hot cores to comets
The thesis explores how interstellar chemistry evolves as a function of time and changing physical architectures during the formation of stars.
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The impact of non-genetic factors on drug metabolism: towards better phenotype predictions
This thesis investigates how non-genetic factors, such as inflammation and concomitant medication, impact hepatic drug metabolism and subsequent drug metabolizing phenotype predictions.
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Global metabolomics and lipidomics approaches to probe virus-host interactions
The outbreaks of AIDS and COVID-19 showed clearly how infectious viruses can influence people’s lives. Investigating the changes in the host metabolism may provide a paradigm shift to consider immune-metabolic interactions as therapeutic targets.
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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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Two-photon luminescence of gold nanorods: applications to single-particle tracking and spectroscopy
Gold nanorods are biocompatible nanoparticles that present an excellent two-photon signal that can be used to get high spatial resolution inside living cells. Gold nanorods are photostable and therefore can be followed inside cells for long time, with possible applications as trackers in live cells.
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Quantifying nucleosome dynamicsand protein binding with PIE-FCCS and spFRET
In this thesis I describe the results of Pulsed Interleaved Excitation and Fluorescence (Cross) Correlation Spectroscopy (PIE-F(C)CS) combined with single-pair Förster Resonance Energy Transfer (spFRET) used to study dynamics in single nucleosomes, which depends on subtle differences in the length of…
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Research in Bio-Pharmaceutical Sciences (MSc)
Deze opleiding is gericht op de ontwikkeling van computermodellen die de werking van medicijnen voorspellen, het individualiseren van bestaande behandeltherapieën en het ontwikkelen van innovatieve, analytische tools voor het personaliseren van de gezondheidszorg.
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Computer Science (MSc)
Deze opleiding wordt aangeboden door het Leiden Institute of Advanced Computer Science. In deze opleiding analyseer je hoe ICT, innovatie mogelijk maakt in sectoren van het bedrijfsleven als marketing, financiën en strategie. Internationale uitwisseling en in-company scriptieprojecten bij vooraanstaande…
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How nutrient conditions shape antibiotic sensitivity in Pseudomonas aeruginosa
The impact of the phenotypic plasticity of P. aeruginosa and the distinct CF lung microenvironments on antibiotic drug effects and resistance remains poorly understood.
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Latin America and the UN
Subproject of the ERC project 'Challenging the Liberal World Order from Within: The Invisible History of the United Nations and the Global South'.
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Beeldverwerking en bio-informatica
Aan de hand van de karakteristieke aspecten van een beeld kunnen bepaalde computers ons vertellen wat het beeld laat zien. Ze kunnen dit leren op dezelfde manier als jonge kinderen beelden kunnen leren herkennen. Het verder verbeteren van deze technieken opent de weg naar een hele reeks nieuwe toepassingen.…
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Computer vision en beeldverwerking
Aan de hand van de karakteristieke aspecten van een beeld kunnen bepaalde computers ons vertellen wat het beeld laat zien. Ze kunnen dit leren op dezelfde manier als jonge kinderen beelden kunnen leren herkennen. Het verder verbeteren van deze technieken opent de weg naar een hele reeks nieuwe toepassingen.…
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'Wat als een algoritme per ongeluk vriend voor vijand aanziet?'
Roboticakenner Roy de Kleijn weet uit onderzoek van algoritmen hoe moeilijk het voor een robot eigenlijk is om tot een zo goed mogelijke beslissing te komen. Hij bepleit dat de verantwoordelijkheidskwestie bij autonome systemen duidelijk wordt. Lees de invalshoek van psycholoog de Kleijn in de 'Wetenschapsestafette…
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Nederland en China samen aan de slag met beter afvalwatermanagement
Nederland en China kunnen van elkaar leren slimmer om te gaan met afvalwater uit huishoudens en veeteelt. Leidse, Wageningse en Chinese wetenschappers gaan samen met betrokkenen werken aan haalbare oplossingen die milieu, gezondheid en economie vooruit helpen.
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eLaw werkgroepen
Het doel van de eLaw werkgroepen is om een productieve werkomgeving te creëren om samenwerking binnen het Centrum voor Recht en Digitale Technologie te bevorderen.
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Steden van het Romeinse Nabije Oosten
Het belangrijkste doel van dit onderzoek is om de steden van het Romeinse Nabije Oosten in de keizertijd in kaart te brengen, met een focus op locatie, stadsgrootte en stedelijke kenmerken, om de vorm van het stedelijke systeem en de niveaus van integratie te bestuderen.
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Mathematisch Instituut
Het Mathematisch Instituut is verantwoordelijk voor het onderzoek en onderwijs in de wiskunde en de statistiek aan de Universiteit Leiden.
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Instituut voor Informatica aan de Universiteit Leiden
Leiden Institute of Advanced Computer Science (LIACS)
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Docent van het jaar 2017 gooit studenten gecontroleerd in het diepe
‘Ik wist niet dat ik op jou nog trotser kon worden.’ Zo reageerde de vader van Kristian Rietveld op het nieuws dat zijn zoon benoemd is tot Docent van het Jaar 2017.
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The power of one qubit in quantum simulation algorithms
Quantum computing is an emerging technology, which holds the potential to simulate complex quantum systems beyond the reach of classical numerical methods.Despite recent formidable advancements in quantum hardware, constructing a quantum computer capable of performing useful calculations remains challenging.In…
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The astrochemical factory: A solid base for interstellar reactions
In this thesis chemical and physical processes in the ice mantles on interstellar dust grains are studied.
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Mechano-transduction mediated by integrin-based adhesion complexes: integration of cytoskeleton and adhesion dynamics
In this thesis, we focus on novel proteins/mechanisms that regulate integrin-adhesion mediated mechano-transduction.
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Hydrogen dissociation on metal surfaces
Dissociative chemisorption is an important reaction step in many catalytic reactions.
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Towards in-cell structural study of light-harvesting complexes : an investigation with MAS-NMR
Light-Harvesting Complex II (LHCII) is responsible for light absorption and excitation energy transfer in plants and photosynthetic algae, while in high light it undergoes conformational changes by which it quenches excitations to prevent photodamage.
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The role of autophagy during carbon starvation in Aspergillus niger
Autopaghy is an intracellular degradation system which targets cytosolic components to lytic compartments for degradation and recycling of the building blocks of the cell.
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Healthcare robots and AI
Healthcare robots and AI is een onderzoek naar juridische en reguleringsaspecten van robots en kunstmatige intelligentie in de zorg.
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Squaramide-based supramolecular materials for 3D cell culture applications
A new type of tripodal squaramide-based supramolecular hydrogels is developed and studied.
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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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Electroreduction of nitrate and carbon dioxide on copper electrodes: a mechanistic study
In this thesis we have discussed several parameters that affect the electrochemical conversion of enviromentaly harmful molecules such as nitrates and carbon dioxide to more valuable and less deleterious compounds, in order to cast light onto the mechanism of the reaction to achieve an efficient and…
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Applications for DNA-encapsulated silver clusters in physics, biology and medicine
We use DNA strands to stabilize few-atom silver clusters, which show unique optical and chemical properties. This thesis involves the study of these constructs for various applications.
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Control of Western flower thrips through jasmonate-triggered plant immunity
We showed that constitutive and inducible chemical and morphological defenses against Western flower thrips differ between tomato and chrysanthemum plants.
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Coiled-coil biomaterials for biological applications
This dissertation contains four works during my PhD. Different biomaterials have been designed based on coiled-coil peptides. These biomaterials have a range of applications, inclusing drug delivery, cell sorting to cell-cell fusion.
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On shape and elasticity: bio-sheets, curved crystals, and odd droplets
Because thin systems can deform along the thickness with relative ease, the interplay between surface mechanics and geometry plays a fundamental role in sculpting their three-dimensional shape.
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Self-assembly of flexible and rigid structures: from colloidal molecules to lattices
Self-assembly offers a promising route to create complex structures and materials using simple building blocks. Through, colloidal self-assembly, we can understand the governing principles of the self-assembly process and unlock its potential in diverse applications in materials science, photonics and…
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Mechanistic modelling of drug target binding kinetics as determinant of the time course of drug action in vivo
Drug-target binding kinetics determine the time course of the central event in pharmacotherapy: Drug-target interaction.