220 zoekresultaten voor “ionic liquid gating” in de Publieke website
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Towards an ab-axis giant proximity effect using ionic liquid gating
In this Thesis, novel charge induction mechanisms of ionic liquids are treated, tested and experimented on complex oxides, in particular cuprates.
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Conductance and gating effects at sputtered oxide interfaces
This thesis explores interfacial conductance and electric field-effects in LaAlO3/SrTiO3 heterostructures.
- Robotic Liquid Handler
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Topology and Geometry in Chiral Liquids
We study the interplay of topology and geometry with chirality for several passive and active systems, employing both analytical and numerical methods.
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Towards an ab-axis giant proximity effect using ionic liquid gating
Promotie
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Morphogenesis and heterogeneity in liquid-grown streptomyces cultures
The filamentous bacteria Streptomyces are widespread inhabitants of terrestrial soils.
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Electrocatalytic CO2 reduction toward liquid fuels : on heterogeneous electrocatalysts and heterogenized molecular catalysts
With the energy transition toward a renewable energy supply and a CO2-neutral economy, electrification of the energy system is rising in importance, which leads to the challenge of long-term storage of renewable electricity.
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It's just a phase: High-contrast imaging with patterned liquid-crystal phase plates to facilitate characterization of exoplanets
This thesis aims to demonstrate how the achromatic nature and design flexibility of liquid-crystal optics can be used to improve high-contrast imaging instruments to facilitate detailed exoplanet characterization.
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Applications of Natural Deep Eutectic Solvents to Extraction and Preservation of Biomolecules
The recently introduced nature-originated deep eutectic solvents, so-called natural deep eutectic solvents (NADES) are considered as truly green solvents, which composed of natural ingredients found abundantly in organisms.
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Gauge theory and nematic order : the rich landscape of orientational phase transition
Promotor: J. Zaanen
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Applications of graphene in nanotechnology : 1D diffusion, current drag and nanoelectrodes
Graphene nanoribbons (GNRs) are used as a current carrying substrate in investigation of current-induced forces in a low-temperature STM (chapter 2).
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On the geometry of fracture and frustration
Promotor: Prof.dr. M.L. van Hecke, Co-Promotor: V. Vitelli
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Isolator wordt geleider met een druk op de knop
Ionische vloeistoffen zijn belangrijk binnen de wetenschap omdat ze veel lading kunnen aanbrengen over een oppervlak. Leidse fysici hebben nu ontdekt dat het ladingsproces binnen een ionische vloeistof puur afhankelijk is van tegengestelde ladingen die elkaar aantrekken. Chemische reacties zijn soms…
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Virus-host metabolic interactions: using metabolomics to probe oxidative stress, inflammation and systemic immunity
Promotores: T. Hankemeier; R. Berger, Co-promotor: R.J. Vreeken
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CE-MS for metabolomics: advancing performance and detection sensitivity
The major and ultimate aim of metabolomics is to obtain an answer to a specific biological or clinical question.
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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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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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Lipids as therapeutic targets for barrier repair in skin diseases
The skin is our natural barrier and lipids are a key part of this barrier. In the outer skin layer, the stratum corneum (SC), lipids form a densely organized structure dependent on the composition of these lipids.
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Electrocatalytic CO2 Reduction toward Liquid Fuels
Promotie
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Applications of paramagnetic NMR spectroscopy for protein research
The aim of the research presented in this thesis was to develop new methods forchallenging systems in liquid-state NMR using paramagnetic effects generated by thetwo-armed probe CLaNP-5.
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Photothermal studies of single molecules and gold nanoparticles: vapor nanobubbles and conjugated polymers
Promotor: M.A.G.J. Orrit
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Granular Flows: Fluidization and Anisotropy
Promotor: Prof.dr. M.L. van Hecke
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Morphogenesis and heterogeneity in liquid-grown Streptomyces
Promotie
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Liquid Footprints: Water, Urbanism, and Sustainability in Roman Ostia
Promotie
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Design and application of dextran based cross-linked networks
This thesis describes the design, characterization and application of dextran based crosslinked network.
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Single-electrolyte isotachophoresis: on-chip analyte focusing and separation
Promotor: Thomas Hankemeier, Co-promotores: Heiko van der Linden, Paul Vulto
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Dynamic organization of bacterial chromatin by DNA bridging proteins
Bacteria often experience external challenges, such as changes in environmental conditions or attacks by bacteriophages.
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The early stress response of jasmonic acid in cell suspension cultures of Catharanthus roseus
In order to gain a better insight into the basis of the rapid jasmonic acid (JA)-mediated stress response, an integrated approach using a targeted high-resolution mass spectrometry-based (HRMS) platform, was conducted to monitor the metabolism of JA using the model system of cell suspension cultures…
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Microfluidic 3D cell culture for high throughput screening
There is an urgent need for more physiologically relevant cell culture methods to guide compound selection in pre-clinical stages of the drug development pipeline.
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Unraveling proteoform complexity by native Liquid chromatography - mass spectrometry
Promotie
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Exploring the magnetic, turbulent Milky Way through radio waves
Promotor: Prof.dr. H. J. A. Röttgering, Co-Promotor: M. Haverkorn
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Replacing the needle and syringe for vaccine administration
Promotores: Prof.dr. G.F.A Kersten, Prof dr. J.A. Bouwstra
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Hot Nanoparticles
Gold nanoparticles show surprisingly strong interactions with light in the visible range, which can be divided into scattering, absorption, and photoluminescence.
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Electroextraction approaches for preconcentration of metabolites
In this thesis, we developed new ways to use a technique called electroextraction (EE) to extract charged molecules from one liquid into another using an electric field.
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Ariane Briegel: 'Met AI gaat letterlijk een wereld open voor de levenswetenschappen'
Bacteriën op heterdaad betrapt, diep bevroren terwijl ze op het punt stonden de ziekte van Lyme te veroorzaken. Razend enthousiast is Ariane Briegel over wat ze allemaal kan zien dankzij de drie-eenheid van een vriestechniek, een microscoop met camera en kunstmatige intelligentie. 'Het is fascinerend,…
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FRESH Lezing: Photoelectron spectroscopy in the gas-phase and in liquid-jets
Lezing
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Hoe ver gaat het recht van de ambtenaar om te demonstreren?
Een ambtenaar van de gemeente Den Haag raakte in opspraak na deelname aan een protest van Extinction Rebellion. De medewerker kon alleen bij de gemeente aanblijven door het tekenen van aanvullende voorwaarden. Hierop nam zij haar ontslag. Barend Barentsen, hoogleraar sociaal recht, vertelt over het…
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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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Pair configurations to molecular activity coefficients: PAC-MAC
This thesis provides an overview of the development of the Pair Configuration to Molecular Activity Coefficient (PAC-MAC) model.
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Exploring and exploiting the mechanism of mycelial pellet formation by Streptomyces
Promotor: G.P. van Wezel
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Suppressing a Sea of Starlight: Enabling technology for the direct imaging of exoplanets
Promotor: Christoph U. Keller, Co-promotores: Matthew A. Kenworthy, Frans Snik
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Geometric phases in soft materials
Geometric phases lead to a nontrivial interference result when an electron's different quantum mechanical paths choices encircle a magnetic coil in an Aharonov-Bohm experiment.
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Identification and characterization of developmental genes in streptomyces
Promotor: Prof.dr. G.P. van Wezel
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Molecular characterization of copper-dependent enzymes involved in Streptomyces morphology
Promotor: G.P. van Wezel, Co-promotor: D. Claessen
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Graphene at fluidic interfaces
In this thesis unconventional tools based on fluidic interfaces were developed to study the surface and interfacial chemistry of graphene, to characterize the intrinsic properties of graphene, to disentangle the effects of substrate and of the environmental factors, and to improve handling protocols…
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Geometry and Topology in Active and Driven Systems
The key characteristic of active matter is the motion of an emergent collection (such as a flock of birds), which is driven by the consumption of energy by its active components (i.e. individual birds).
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Controlling growth and morphogenesis of the industrial enzyme producer Streptomyces lividans
Promotor: G.P. van Wezel, Co-Promotor: E. Vijgenboom
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Analysis of sub-visible particles in complex injectable formulations
Promotors: W. Jiskoot; G.J. Witkamp, Co-promotor: M.R. Nejadnik
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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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Gaatjes prikken voor supergeleiding
In hun zoektocht naar materialen die zonder weerstand stroom geleiden bij gematigde temperaturen, sleutelen wetenschappers meestal aan de chemische samenstelling. Leidse natuurkundigen komen nu met een radicaal nieuwe benadering: gaatjes prikken in een periodiek patroon. Publicatie in SciPost.