An Active Galactic Nucleus (AGN) is a highly luminous region at the center of a galaxy, powered by the accretion into a supermassive black hole and emitting energy from radio waves to gamma rays, often outshining the host galaxy.

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

This thesis contributes to studying primordial cosmology theories and their detectability in future observations.

Transport inspectorates are looking for novel methods to identify dangerous behavior, ultimately to reduce risks associated to the movements of people and goods. We explore a data-driven approach to arrive at smart inspections of vehicles.

Op 13 januari 2022 verdedigde Pie Habimana het proefschrift 'Harmful Tax Competition in the East African Community'. Het promotieonderzoek is begeleid door prof.dr. H. Vording en prof.dr. S.C.W. Douma (UvA).

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.

Large carnivores and humans, along with their livestock, have co-existed for thousands of years. However, human population growth and an increase in economic activities are modifying the landscape for large carnivores and their prey.

The radio sky harbours both galactic and extragalactic sources of arcminute- to degree-scale emission of various physical origins. To discover extragalactic diffuse emission in the Cosmic Web beyond galaxy clusters, one must image low–surface brightness structures amidst a sea of brighter compact fore-…

Regeneration is the ability of an organism to restore damaged or lost tissue with a functional replacement, and without scarring. Many lizards can regenerate their tails.

Promotores: H.A. Udo de Haes, H.H.T. Prins, Co-promotor: H.H. de Iongh

Promotor: Prof.dr. A.G.G.M. Tielens

This dissertation, Layered Loyalties: The Natuurkundige Commissie in the Netherlands Indies (1820-1850), studies the Natuurkundige Commissie.

Promotor: J. A. Bouwstra

Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L. Kaper (UvA)

With increasing carbon dioxide levels in the atmosphere and their detrimental effect on the global climate, modern society needs to push for more renewable energy sources. Storing widely accessible and abundant solar energy in chemical bonds in the form of molecular fuel via artificial photosynthesis…

Ontdek hoe professionals een cursus of opleiding van Universiteit Leiden Academy hebben ervaren.

Many galaxy clusters exhibit bright diffuse radio emission that traces the underlying structure of the intracluster medium (ICM).

Decarbonizing the building stock is critical for realizing the climate-neutral target for the Netherlands.

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

Alumni-activiteit

Promotor: Prof.dr. J.A. Bouwstra, Co-promotor: A. El Ghalbzouri

The molecular mechanisms that instigate a healthy cell to become malignant are fueled by (epi)genetic alterations in so-called driver genes.

Streptomyces are multicellular, Gram-positive bacteria in the phylum of actinobacteria which produce a high amount of bioactive natural products of which the expression is tightly coordinated with the life cycle.

Hoe is het om mee te doen aan het Leiden Leadership Programme? Alumni delen hun ervaringen: 'Je leert dingen over leiderschap en kan die ook meteen in de praktijk brengen.'

Als afgestudeerde van de faculteit Geesteswetenschappen zijn er tal van mogelijkheden. Altijd al meer willen weten over de sectoren en banen waarin alumni van Geesteswetenschappen zoal terechtkomen? Kijk hieronder voor een overzicht van hun verhalen.

GLOBALINT is een baanbrekend onderzoek naar inlichtingendiensten in het ‘mondiale Zuiden’. De centrale vraag is ‘hoe beïnvloeden (on)democratische verschuivingen in politiek bestuur de inlichtingendiensten in de context van gewelddadig conflict?’

Het project onderzoekt het gebruik van kunstmatige intelligentie op de arbeidsmarkt en hoe vooroordelen bij het aannemen en promoten van processen op basis van persoonlijke kenmerken mogelijk worden gereproduceerd met op AI gebaseerde systemen.

The European Council and the European Commission have a similar role in agenda setting. Both place issues on the EU agenda. However, these institutions have distinct designs. They have different political attributes (the European Council has considerably more political authority) and information-processing…

Promotor: J.S. Kaastra Co-promotor: E. Constantini

This thesis combines field and laboratory studies to address some of the most pressing questions in the field of microplastic research.

Promotor: Prof.dr. A. Achucarro

Promotores: Prof.dr. G.A. Persoon & Prof. dr. H.H. de Iongh

This course explains the functions of each international court and tribunal in The Hague. On the basis of cases and interviews with judges and lawyers, this course explores the role of these courts and tribunals and their potential to contribute to global justice.

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.

Alumni-activiteit

Promotor: E. Gittenberger, Co-promotores: B.W. Hoeksema; L.P. van Ofwegen

Dit boek presenteert een nieuw kader voor de regulering van robots die zijn ontworpen voor emotionele en seksuele interactie, vaak aangedreven door AI.

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…

In deze nieuwe rubriek, die we dus graag willen laten terugkeren, zetten we een van onze alumni in de spotlights. Voor de aftrap hebben we gekozen voor iemand die Leiden en de studie Rechtsgeleerdheid blijkbaar in zijn genen heeft. Je zou maar de zesde generatie notaris in je familie zijn! Zelfs de…

Welkom bij het project Fair Educational Assessment in the Age of AI (FAIR-ASSESS)!

Migration imposes special pressures on the meaning, experience and organization of lifecycle rituals. These pressures are felt most strongly by Muslim migrants to Western Europe. In this innovative study, Nathal M. Dessing examines the effects of migration on the life cycle rituals of Moroccan, Turkish…

Investigating the intercultural connections that shaped practices of knowledge production in colonial Dutch Brazil.

Timo Slootweg, associate professor at he department Philosophy of Law, published a chapter about Paul Scholten in

Aspergillus niger is an important industrial producer of organic acids and enzymes producing large amounts of spent fungal biomass.

Advanced UHF MRI techniques provide powerful tools for studying the zebrafish brain, an emerging model in neurological research. In this work, various MRI and localized MRS methods are optimized and employed for UHF strength for studying the zebrafish brain.

Promotores: W.T. de Groot, M. Tchuenté, Co-promotor: J.P. Cheylan

Op 11 juni 2020 verdedigde Sabine Witting haar proefschrift 'Child Sexual Abuse in the Digital Era: Rethinking Legal Frameworks and Transnational Law Enforcement Collaboration'. Het promotieonderzoek is begeleid door promotoren prof.mr. J.J. Sloth-Nielsen en prof.dr.mr. S. van der Hof.

Tijdens de studententijd bloeien nieuwe liefdes op, maar natuurlijk ook ontzettend veel nieuwe vriendschappen! We vroegen alumni, die elkaar ontmoet hebben in Leiden en nog steeds goede vrienden zijn, een foto in te sturen van toen en nu. Met dit kleine foto-album vieren we samen Valentijnsdag.