1,365 zoekresultaten voor “even been met” in de Publieke website
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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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The flux and flow of data: connecting large datasets with machine learning in a drug discovery envirionment
This thesis focuses on data found in the field of computational drug discovery. New insight can be obtained by applying machine learning in various ways and in a variety of domains. Two studies delved into the application of proteochemometrics (PCM), a machine learning technique that can be used to…
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Combining classic and novel tools in the study of Historical Collections of Chinese Materia Medica in the Netherlands
Chinese materia medica (CMM), comprising a diverse array of natural substances from plants, animals, and minerals, has been integral to Traditional Chinese Medicine (TCM) throughout history. This study investigates the dynamic evolution of CMM, noting shifts in species for improved therapeutic effects…
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Triblock polypept(o)ides for siRNA delivery: unique polymeric designs for versatile carrier systems
Utilizing the polymeric platform of polypept(o)ides, this thesis describes synthesis and investigation of novel triblock copolymers to obtain carrier systems with multiple compartments for efficient siRNA delivery. Although the individual microstructure of nanoparticles differs depending on the polymeric…
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Reasoning about object-oriented programs: from classes to interfaces
Throughout the history of computer science, a major challenge has been how to assert that software is free of bugs and works as intended. Software bugs can lead to serious negative impacts on any software system. Throughout the main body of the thesis, we implemented a series of studies on exploring…
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Bioengineering and biophysics of viral hemorrhagic fever
Viral hemorrhagic fever (VHF) is a group of acute diseases caused by highly infectious viruses including Ebola, Lassa, Dengue viruses. Its high mortality rate poses high risk to public health, however, studies on VHF have been hampered due to the non-availability of proper models and incomplete knowledge…
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Frans: kennismakingslessen
De meeste kinderen leren pas op de middelbare school Frans. Hoe leuk is het als ze al wat Franse woorden leren en kennismaken met de Franse cultuur op de basisschool? Dat kan via deze kennismakingslessen, gemaakt door studenten van de Universiteit Leiden.
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Chitin in the fungal cell wall: towards valorization of spent biomass of Aspergillus niger
Aspergillus niger is an important industrial producer of organic acids and enzymes producing large amounts of spent fungal biomass.
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The parabolic Anderson model on Galton-Watson trees
The parabolic Anderson model (PAM), which is the Cauchy problem for the heat equation with random potential. The PAM is a mathematical model that describes how mass (i.e. matter or energy) flows in a medium in the presence of a field of sources and sinks.
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Discovery of selective diacylglycerol lipase β inhibitors
Diacylglycerol lipases (DAGLα and DAGLβ) are responsible for the biosynthesis of the endocannabinoid 2-arachidonoylglycerol (2-AG) in the brain and peripheral tissues. Selective DAGLβ inhibitors have been proposed as a potential treatment for inflammatory diseases with reduced potential for central…
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High-contrast spectroscopy of exoplanet atmospheres
More than 5,000 exoplanets have been found over the past couple of decades. These exoplanets show a tremendous diversity, ranging from scorching hot Jupiters, common super-Earths, to widely separated super-Jupiters on the planet/brown dwarf boundary.
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De lancering van een nieuw tijdperk: Leiden en de James Webb telescoop (deel I)
Na 25 jaar is het deze december eindelijk zo ver: de lancering van de lang verwachte James Webb ruimtetelescoop. Leidse astronomen kijken vol spanning mee: niet alleen waren zij betrokken bij de bouw van belangrijke instrumenten aan boord, de telescoop zal ook vele nieuwe geheimen van het heelal onthullen,…
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De lancering van een nieuw tijdperk: Leiden en de James Webb telescoop (deel II)
Na 25 jaar is het deze december eindelijk zo ver: de lancering van de lang verwachte James Webb ruimtetelescoop. Leidse astronomen kijken vol spanning mee: niet alleen waren zij betrokken bij de bouw van belangrijke instrumenten aan boord, de telescoop zal ook vele nieuwe geheimen van het heelal onthullen,…
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Bedankt
Leuk dat je mee wilt doen met de Legal Tech Challenge. We nemen contact met je op om even kennis te maken en de details te bespreken.
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Vastklampend gedrag
Vastklampend of claimend gedrag, hoe ga je daarmee om?
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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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Mind the gap: gas and dust in planet-forming disks
Promotores: Prof.dr. E.F. van Dishoeck, Prof.dr. C.P. Dullemond
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Een dag uit het leven
Heb je interesse om Russische Studies te komen studeren aan de Universiteit Leiden? Om je een indruk te geven het leven als student, vertelt Anne van der Spoel, eerstejaarsstudente over een typische dag.
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Basic Program 2024-2025
The basic program comprises a total of twelve courses organized by the Research School, that have been purpose-developed for training and support of PhD students and Research MA students who specialize in Medieval Studies (history, art history, and literary history, in particular).
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PRE-Class Lectures 2017
Jaarlijks sluiten we de PRE-Classes af met een slotevenement, waar verschillende leerlingen hun resultaten presenteren. Kijk de presentaties van 2017 hieronder terug!
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Temporalities of energy justice: Changing justice conceptions in Dutch energy policy between 1974 and 2022
Dit artikel beschrijft dat het gebruik van het concept van energierechtvaardigheid nieuw is, hoewel interpretaties al lang deel uitmaken van het energiebeleid.
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From molecules to monitoring: Integrating genetic tools into freshwater quality assessments
Freshwater is an important resource, but at a great risk of species decline due to habitat loss, pollution and over-exploitation, and invasive alien species.
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Waste Collection Systems Assessed and Good Practices Identified (COLLECTORS)
What is the environmental impact of different waste collection systems across Europe? How can the collection be improved when considering collection, sorting, and treatment, as well as use options for secondary materials?
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Illuminating N-acylethanolamine biosynthesis with new chemical tools
In this thesis, the discovery and optimization is described of chemical tools to study the N-acylethanolamine (NAE) biosynthetic pathway.
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Disentangling drought-responsive traits with focus on Arabidopsis
In recent decades, climate change has led to more frequent and severe drought events, causing serious consequences such as increased forest mortality and significant crop yield losses. Understanding how drought affects plants, especially economically important herbaceous species, is crucial for predicting…
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Bedrijfswetenschappen
De afdeling Bedrijfswetenschappen houdt zich bezig met vraagstukken op het gebied van ondernemerschap, organisatiepsychologie en insolventie. Op de afdeling werken docenten en onderzoekers uit verschillende disciplines, zoals marketing, economie, finance, strategie en de gedragswetenschappen.
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Anti-microbial and Anti-biofilm compounds From Indonesian Medicinal Plants
Promotor: C.A.M.J.J. van den Hondel, Co-promotor: Sandra de Weert
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Empirical signatures of universality, hierarchy and clustering in culture
In this thesis,
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Photo-activation of ruthenium-decorated upconverting nanoparticles
Metal-based prodrugs based on ruthenium(II) polypyridyl complexes have proven to be very suitable for application in both photodynamic therapy (PDT) and photo-activated chemotherapy (PACT).
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The Monetary Valuation of Water-related Ecosystem Services
While ecosystems have concrete benefits for human society, these benefits are typically overlooked in decision-making.
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Zebrafish as vertebrate model of Gaucher disease
Lysosomal storage disorders (LSDs) are a group of orphan diseases characterized by lysosomal dysfunction or impaired lysosomal catabolism and affect collectively about 1 in 5000 live births.
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Duurzaamheid en medezeggenschap conferentie
Je jaar in medezeggenschap is al een tijdje onderweg, hetzij in de Universiteitsraad, een Faculteitsraad, een Instituutsraad, een Ondernemingsraad of in de opleidingscommissie van je opleiding. Hopelijk heb je een goede start gemaakt en kijk je er naar uit om komend jaar je beste beentje voor te zet…
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Linking the gene regulatory network with the functional physical structure of whole-genome engineered Arabidopsis mutants : an HR-MAS NMR-based
Climate change is a challenge for both current and future generations. New biological resources have to be developed in order to meet the demand for energy as well as the demand for food.
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Designing 'context-specific' regional innovation policy: a study on the role of regional government in six European regions
Whilst government’s ability to design ‘context-specific’ regional innovation policy is generally assumed to depend on the region’s decision-making power, the aim of this study is to investigate how regional government matters. In order to open up the black box of policy design, the study develops a…
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The evolution of shell form in tropical terrestrial microsnails
Promotor: Prof.dr. M. Schilthuizen
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A macro level assessment of material circularity
A sustainable resource management is an essential aspect to satisfy the current human needs without compromising the needs of future generations.
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De wereld kwam naar Woensdrecht: Een vliegbasis te midden van het kruisrakettendebat.
Medio jaren tachtig van de vorige eeuw woedde in Nederland een felle maatschappelijke discussie over kernwapens, die de bevolking en politiek Den Haag sterk verdeelde. De aanleiding was de mogelijke plaatsing van Amerikaanse nucleaire kruisvluchtwapens op Nederlands grondgebied. Honderdduizenden…
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Surveying young stars with Gaia: Orion and the Solar neighbourhood
OB associations are loose groups of young, massive stars. They constitute the last stage of the massive starformation process, and the context in which new stars are formed.
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The electrochemical reduction of dioxygen and hydrogen peroxide by molecular copper catalysts
The electrochemical oxygen reduction reaction (ORR) is an essential half-reaction for the utilization of hydrogen as a sustainable fuel, via the conversion of hydrogen to electrons and protons facilitated by the ORR. In the most common fuel cells, the ORR is requires high loadings of non-abundant platinum…
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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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CD8+ T-cells in atherosclerosis: mechanistic studies revealing a protective role in the plaque microenvironment
Atherosclerosis is the most important underlying process that drives cardiovascular disease, and is characterized by an accumulation of cholesterol which triggers an inflammatory response in the vessel wall.
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Corpora Non Agunt Nisi Fixata: Ligand Receptor Binding Kinetics in G Protein-Coupled Receptors
The present thesis focuses on the pharmacological concept of drug-target interaction, which dates back to the beginning of modern pharmacology.
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Cell-autonomous and host-dependent CXCR4 signaling in cancer metastasis: insights from a zebrafish xenograft model
Promotor: A.H. Meijer, Co-promotor: B.E. Snaar-Jagalska
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A time-space translation mechanism for patterning the vertebrate anteroposterior axis
My PhD project studies how the temporally sequential Hox gene expression is regulated during head-tail patterning of the frog embryo.
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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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CO2-Calculator
Development of GHG calculator for bio-electricity and heat.
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Discovery of novel Antibiotics from Actinomycetes by Integrated Metabolomics & Genomics Approaches
Promotor: G.P. van Wezel, Co-promotor: Y.H. Choi
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Systemic Accountability of the European Border and Coast Guard
Op 11 november 2021 verdedigde Mariana Gkliati het proefschrift 'Systemic Accountability of the European Border and Coast Guard'. Het promotieonderzoek is begeleid door promotoren prof.dr. P. Rodrigues en prof.dr. L. Besselink (UvA).
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De verzamelwoede van Martinus van Marum (1750-1837) en de ouderdom van de aarde
Promotor: F.J. van Lunteren, E. Jorin
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Singing is silver, hearing is gold: impacts of local FoxP1 knockdowns on auditory perception and gene expression in female zebra finches
The experiments described in this thesis employ local lentiviral knockdowns in brain areas of female zebra finches followed by behavioural assays consisting of preference and Go/Nogo tasks.