Promotores: P. Stevenhagen, A. Enge Co-Promotor: T.C. Streng

Individuen die werken in de publieke sector zien zichzelf geconfronteerd worden met tegenstrijdige waarden, tegenstrijdige eisen en de noodzaak van het dienen van het soms moeilijk definieerbare publieke belang.

Promotor: S.J. Edixhoven

Leidse wetenschappers onderzoeken groepsgedrag. Ze ontdekten onder meer dat mensen zich waarschijnlijk instinctmatig opofferen voor een mede-groepslid. Met dit soort inzichten kunnen we sociale processen in een wijk of binnen een bedrijf beter begrijpen en beïnvloeden.

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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…

Promotie

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…

Het Netherlands Centre for One Health (NCOH) is uitgebreid met de Universiteit Leiden en het LUMC. De komst van de Leidse instellingen versterkt het academische netwerk waarin onder andere het probleem van antimicrobiële resistentie wordt onderzocht.

Oplossingen bedenken voor mondiale vraagstukken zoals milieuvervuiling en armoede. Dat doen jongeren die vanuit de hele wereld samenkomen op de top One Young World van 17 tot en met 20 oktober in Den Haag. Volg de Leidse studenten Jennifer Pfister en Thomas Gevers die verslag doen van hun ervaringen…

Researchers from the Department of Economics - Kees Goudswaard, Koen Caminada, Marike Knoef, Pierre Koning and Olaf van Vliet - have been awarded a grant of one million euros by Instituut Gak to investigate self-sufficiency and social protection.

Wil jij helpen van de wereld een mooiere plek te maken? En wil je in contact komen met de jonge wereldleider van vandaag en morgen? Meld je dan aan voor de One Young World Summit in Den Haag! De Universiteit Leiden sponsort twee studenten om met deze top mee te doen. Lees hieronder hoe je meedoet.

Onze decaan Rick Lawson en Anette van Sandwijk, Hoofd Bureau Internationaal Onderwijs, reisden van 5 tot en met 16 april langs een aantal partners in de Verenigde Staten. Leiden Law School heeft al lange tijd samenwerkingsverbanden met een aantal vooraanstaande Amerikaanse Law Schools. Doel van de reis…

Met Freedom Stories delen we de verhalen van vrijheid van onze studenten en medewerkers, ter ere van Bevrijdingsdag. Vandaag delen we het verhaal van Leen. We vroegen haar wat vrijheid voor haar betekent.

One of the effects of climate change is the phenomenon of desertification, a process that occurs in semi-arid and arid areas and causes land degradation as well as vegetation loss. Due to the lack of resources, vegetation self-organizes to sustain itself by forming large-scale spatial patterns.

One of the main challenges in the development of an effective anti-cancer vaccine is the generation of an adequate and directed cellular immune response.

Jelle van Buuren, universitair docent bij het Institute of Security and Global Affairs, bespreekt bij One World de reden dat rechtsextremisten zich ook in de coronasceptische beweging bevinden.

Abeer Abazeed, promovendus aan het Institute of Security and Global Affairs, verdedigt op woensdag 21 april haar proefschrift. Vier vragen over haar promotie-onderzoek 'Is it One Nile? Civic engagement and hydropolitics in the Eastern Nile Basin’

One of the key quests in astronomy is to study the growth and evolution of galaxies across cosmic time. Radio observations provide a powerful means of studying the formation of stars and subsequent buildup of distant galaxies, in a way that is unbiased by the presence of dust.

One of the key limitations of the direct imaging of exoplanets at small angular separations are quasi-static speckles that originate from evolving non-common path aberrations (NCPA) to which the primary adaptive optics system is inherently blind. The main focus of this thesis is the development and…

To an algebraic curve C over the complex numbers one can associate a non-negative integer g, the genus, as a measure of its complexity.

Prostate cancer (PCa) is one of the most prevalent cancer in males.

In my thesis I study Majorana fermions from three different perspectives. The first one corresponds to non-interacting Majorana fermions that, however, pose non-trivial topological properties. The second one corresponds to strongly interacting Majoranas and the third to relic neutrinos. No one knows…

Promotor: A. Achúcarro Co-promotor: A. Boyarsky

This thesis describes how complex and real-world relevant analytical solutions can be found starting from a simple Nagumo problem posed on one or two-dimensional lattices.

Promotores: P. Stevenhagen, L. van Geemen (Università degli studi di Milano), Co-Supervisor: Ronald M. van Luijk

The Standard Model (SM) of particle physics fails to explain several observed phenomena and is incomplete. In order to resolve this problem, one may extend the SM by adding new particles.

In this book liposomes are explored as delivery system for allergen-specific immunotherapy. Both cationic and anionic formulations are prepared with Bet v 1, one of the allergens in birch pollen.

Promotor: M. Franx, Co-Promotor: I.F. Labbé

The theoretical explanation of cosmic acceleration is nowadays one of the biggest puzzles in cosmology.

In this thesis we use Josephson and noise scanning tunneling microscopy for the study of conventional, unconventional (iron-based) and disordered superconductors. On the one hand, Josephson scanning tunneling microscopy allows us to directly visualize the superfluid density with high spatial resolut…

In this thesis, I targeted the orchid genus Lepanthes, one of the six genera of angiosperms that surpasses 1,000 species in the Neotropics, as a study model to investigate the evolutionary processes that promoted species diversifications.

Despite the fact that gold nanoparticles (GNPs) are one of the most studied nanoparticles, there is still a necessity for new approaches allowing for effective protective coating to enable wider use of GNPs in biomedical applications.

Natural vanilla flavor is one of the most important in the world. However, the cost of this flavor is expensive. Production of this flavor by alternative methods, could reduce the cost.

Promotie

Understanding the formation and evolution of planetary systems is one of the most fundamental challenges in astronomy. To directly image and study young exoplanets and the circumstellar disks they form from, dedicated high-contrast imaging instruments are built.

Promotores: A.H. Meijer, H.P. Spaink

Thermodynamics is one of the founding scientific pillars that has helped us better understand heat engines, biology, ecosystems, and even black holes. While it fundamentally describes large systems by examining the bulk behavior of their constituents, it is anchored in the statistical equivalence of…

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.

Cardiovascular disease is the number one cause of death worldwide. The most important risk factor for developing this disease is high cholesterol levels in the blood.