This thesis focuses on the role of chemokine receptors CXCR3 and CCR2 in the inflammatory process and infection control using the zebrafish model.

Plants and soils from natural ecosystems harbor great diversity of soil microorganisms, which could potentially contribute to the sustainability of horticulture. The knowledge about using wild plant species and soil from natural ecosystem to improve the crop health will advance the application of ecological…

In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…

Studievoorlichting, Experience Day

The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.

Jan van den Berg heeft zij proefschrift op 8 november 2018 verdedigd.

Of all the mass in our Universe, 80% is thought to consist of a hypothetical and invisible substance called dark matter (DM).

By growing in a soil plants change the biotic and abiotic properties of the soil in which they grow.

What physics controls the properties of quantum matter, such as how electrons flow inside high-temperature superconductors? This question has captivated the physics community and industry for decades, in part due to the great technological potential such materials have, but also because they have resisted…

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…

The CC chemokine receptor 2 (CCR2), a member of the G protein-coupled receptor (GPCR) superfamily, is widely involved in autoimmune and inflammatory diseases. However, no drugs for this receptor have made it to the pharmaceutical market yet.

In this thesis, we aim to shed light on the diverse and often opposing roles of integrin α3β1 in cancer.

Promotor: G.J. Kramer Co-Promotor: E.G.M. Kleijn

Geesteswetenschappen, Institute for Area Studies

Hifadhi ya Dijiti ya Ustadh Mau

The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).

Promotor: C.A.M.J.J. van den Hondel, Co-promotor: Sandra de Weert

Promotor: Prof.dr. J.W.M. Frenken

Streptomyces are filamentous bacteria that produce more than two-thirds of known antibiotics.

In this thesis, we present new laboratory data of interstellar dust analogues.

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.

This thesis investigates the application of deep learning techniques in image analysis across various domains, focusing on four main themes: feature extraction, classification, segmentation, and integration, demonstrating the transformative potential of these technologies.

Acute cardiovascular syndromes, including myocardial infarction or stroke, are the principal cause of death in the Western society. The main underlying pathology of cardiovascular diseases is atherosclerosis, which is caused by the accumulation of lipids and inflammatory cells in the vessel wall, in…

Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa

Onderstaand een overzicht van alle vakken die door de afdeling Economie worden verzorgd.

In deze publicatie worden problemen met betrekking tot de grensoverschrijdende afwikkeling van financiële instellingen onderzocht.

De meeste studenten Rechtsgeleerdheid vinden snel na afronding van hun masterprogramma een passende functie. Vaak als gevolg van een stage of juridische bijbaan werken ze in kernfuncties van juridische organisaties, ministeries, kantoren en bedrijven. In Nederland maar in toenemende mate internation…

The global agri-food system plays a critical role in food security and environmental issues.

Promotor: Prof.dr. M. Danhof, Co-promotor: O.E. Della Pasqua

On December 3, Erik Kwakkel (University of British Columbia) will give a lecture in the University Library Leiden, titled “Writing on the Wall: Medieval Advertisement Sheets in Perspective.” Professional scribes in the Middle Ages produced advertisement sheets with which they presented themselves to…

This article examines how immigration from Central and Eastern Europe influences political support for Eurosceptic parties.

Dit artikel onderzoekt de effecten van de invoering van proportionele vertegenwoordiging (PR) op de politieke vertegenwoordiging van vrouwen.

Ruim 200 mensen hebben tijdens een speciale publieksavond voor het eerst de spiksplinternieuwe Middle Eastern Library kunnen bezoeken. Naast de kennismaking bood het programma tentoonstellingen, speedcolleges en premières, met focus op de rijke Midden-Oosten collecties van de Universiteit Leiden.

In this Yearbook you will find some fascinating examples of what was done in 2021, not only by ourselves, but also by our international colleagues.

Het WARN-project heeft als doel te begrijpen waarom sommige waarschuwingen niet effectief genoeg zijn of niet tijdig de juiste besluitvormers bereiken om een crisis af te wenden.

Irene Khan, expert op het gebied van mensenrechten, werpt een aantal vragen op: Wat kan men verstaan onder een ‘Culture of Justice’? Wie bepaalt wat 'Justice' is? Hoe realistisch is de bevordering van ‘Rule of Law’ en ‘Justice’ in landen waar sprake is van ernstige conflictsituaties en armoede?

Sociale Wetenschappen, Politieke Wetenschap

Op deze pagina vind je alle informatie over de Bachelor Security Studies die je als aankomend student nodig hebt.

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Professional scribes in the Middle Ages produced advertisement sheets with which they presented themselves to potential clients. In this lecture Erik Kwakkel will show known and new examples of such advertisement sheets and interpret their importance for our understanding of the culture of writing in…

Koreastudies in Leiden, Korean studies, Japanese studies, Chinese Studies, Asian Studies, South and Southeast Asian Studies, International Studies, Film en Literatuurwetenschap

Dit proefschrift betreft een interpretatief onderzoek naar de wijze waarop leraren hun dagelijkse leraar-leerling interacties interpreteren in termen van het belang van hun leerlingen.

In this PhD study, I aim to deepen our understanding of the influence of major mycorrhizal types, namely arbuscular mycorrhizae (AM) and ectomycorrhizae (EM), on the global soil carbon cycle and their potential distribution changes under future environmental shifts.

Deelproject van

In this work, we investigate the minute circular dichroism effects of single nanoparticles.To this aim, we apply photothermal imaging with a polarization-modulated heating beam.

Astronomical observations of cold regions in the universe show a rich inventory of ices. Part of these ices may end up on planets like our own, but in that journey they will be exposed to considerable amounts of radiation.

Promotor: H.J.A. Röttgering, Co-promotor: G.K. Miley