On 12 September 2019, Michiel Rhoen defended his thesis 'Big Data, Big Risks, Big Power Shifts: Evaluating the General Data Protection Regulation as an instrument of risk control and power redistribution in the context of big data'. The doctoral research was supervised by Prof. G.J. Zwenne and Prof.…

This study investigates how two social and political developments, in the UK and Germany, impacted on the experiences of minorities and the attitudes of majorities vis-à-vis tolerance in those two countries. The results provide a thought-provoking picture of the views of minority and majority groups…

In this article, James Shires and Tatiana Tropina, assistant professors at the Institute of Security and Global Affairs, map the relationship between gender equality and cybersecurity governance as a component of good security sector governance (SSG). Here, it highlights the way in which cybersecurity…

The STAP study examines the cost-effectiveness of Written Exposure Therapy (WET) for post-traumatic stress disorder (PTSD) symptoms in primary care settings.

Migration and crime are in the spotlight in society. Within the Institute for Criminal Law and Criminology, research in this area has strongly developed in recent years. The concept of Crimmigration is central to this.

Dr Moritz Jesse (Associate Professor at the Department of European law) spoke at a symposium organised at Oxford Brooks University. The symposium, which took place in October 2022, dealt with the question in how far integration of economic immigrants can be facilitated by the Law and the application…

The debate on migration and criminalisation concerns everyone from citizens and policymakers to academics. The Crimmigration in an Age of Authoritarian Drift conference in Leiden in July aims to offer new insights and encourage collaboration. Artists are playing a key role.

Since 1 September 2017 Aagten works at the Institute. Her main area of interest includes asylum and refugee law and therefore she will be co-teaching the courses European Asylum Law, Immigration Law (Dutch course), Migration Law and Policy in the EU and Children and Migration (Dutch course).

Three MA students of the Institute of Immigration Law, Nick Perre, Myrthe De Vries and Hannah Richards have co-authored together with Mariana Gkliati, a blog deconstructing the notion of the ‘refugee crisis’ and connecting it with observations from a wider spectrum of socio-economic formations, which…

Are you a British citizen currently studying or working at Leiden University? Or are you a Leiden University student (thinking of) studying abroad in the UK? Find out about the effects of Brexit.

Nematic liquid crystals form the key ingredients of most tv screens. The active version of these complex fluids forms a useful model for physicists to research the responses of active matter—like bacteria or traffic flows—to mechanical and geometrical cues. An international research team publishes their…

Promotor: Prof.dr. G.P. van Wezel, Co-Promotor: E. Vijgenboom

Promotor: P.J.J. Hooykaas, Co-Promotores: P.B.F. Ouwerkerk, M. Wang

The transition period in which men become fathers might provide an important window of opportunity for parenting interventions that may produce long-term positive effects on paternal care and, consequently, child development. Existing prenatal programs traditionally focus on maternal and infant health…

Dit proefschrift beschrijft een collectie aan alternatieve strategieën voor het begrijpen, ontwerpen en toepassen van lipide nanosystemen, waarin de rol van de bio-nano interacties centraal staan. In het bijzonder wordt gekeken naar de interactie van RNA-lipide nanosystemen, bekend van de toepassing…

The PID-directed shift in PIN polarity has been broadly accepted as one of the essential mechanisms for the regulation of auxin transport polarity.

Irna Hofman defended her thesis on 10 January 2019.

Actinobacteria are Gram-positive bacteria that have a complex multicellular life cycle and are well known for their ability to produce a wide range of bioactive natural products (NPs).

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

While many healthcare professionals indicate that they frequently use placebo effects and their mechanisms, there is little formal training on how to deal with placebo and nocebo effects in clinical practice. This project aims to address this gap between scientific knowledge on placebo and nocebo effects…

This project is funded by the Dutch Cancer Society. The project will be part of an ongoing research line aimed at identifying mechanisms of cancer therapy resistance and metastasis. In this project, it will be investigated how the Grainyhead family of transcription factors controls therapy response…

What is the effect of training children to exercise self-control? Niko Steinbeis has been awarded a major European subsidy to find the answer to this question. The innovative aspects of this research are the target group, an individual approach to the training and examining the child brain the scann…

To make digital communication more secure, we need to tighten up the legal frameworks and identify the biggest cyber threats.

EU Member States are struggling with rising numbers of migrants and asylum seekers. At the recent EU summit, agreements were reached on better controls at the external borders of the European Union and more consultation with countries where migrants come from.

Mark Klaassen recently gave a lecture at the Aliens Division of the Court of Rotterdam on the impact on the judicial system of the Dutch cabinet’s plans on immigration and asylum and the future implementation of the EU Migration Pact.

Dubbel asiel aanvragen mag niet. Toch draagt Nederland slechts één op de vijf asielzoekers over aan andere landen tijdens een lopende asielprocedure. Dat blijkt uit cijfers van de Immigratie- en Naturalisatiedienst (IND). Universitair docent Mark Klaassen sprak hierover met EenVandaag.

A new LUMC study has changed our understanding of how cells work. Researchers have discovered that the CFAP20 protein acts as a kind of ‘traffic controller’ on DNA. Without this protein, chaos ensues, potentially causing cancer. Their findings have been published in the prestigious journal Nature.

The philosophers at the Institute for Philosophy develop new perspectives and insights not only on topical themes such as immigration and climate change, but also on more fundamental philosophical questions.

The Institute of Public Administration at Leiden University is located in the administrative heart of the Netherlands, The Hague. From this central location, the institute bridges academic research and practical application to address current issues both domestically and internationally.

The Institute of Public Administration at Leiden University serves as a bridge between academic research and practical application from its base in The Hague.

Leiden is the place for Law

Comparative and Dutch Politics is one of the three organisational clusters of the Institute of Political Science.

One of LUCIR’s key objectives is to bring together scholars and students of International Relations. To this end, LUCIR regularly organises events such as conferences, roundtables, lectures and book launches.

Rigid materials break more easily than floppy ones. This simple observation allows to predict and control the width of cracks. Theoretical understanding of how materials break is useful in for example the production of cars or screens. Publication in PNAS.

Moritz Jesse, Associate Professor at the Europa Institute Leiden, was a speaker at the International Conference European Constitutionalism And the Virus of Distrust Conference, which took place on 27 and 28 April in Prague. The Conference brought together academics from all over the European Union to…

Mariana was recently interviewed by the New Humanitarian about data protection issues regarding the involvement of Frontex in Niger.

The Faculty of Science adopted an action plan Diversity and Inclusiveness in 2015. In this action plan, the Faculty commits to a number of actions to further improve diversity and inclusion for staff and students, such as more female full professors at the faculty, and encourages initiatives that foster…

Dr. Moritz Jesse, associate professor of European Union Law at the Europa Institute Leiden, addressed the members and audience of the panel “Citizenship and the Refugee Crisis” at the World Conference of the Association for the Study of Nationalities in New York, which took place at Columbia University,…

Reijer Passchier universitair docent Staatrecht in Leiden en hoogleraar Digitalisering en de democratische rechtsstaat aan de Open Universiteit, presenteerde op 11 februari zijn bevindingen over het gebruik van digitale systemen bij de uitvoering van wetten, aan de Vaste Kamercommissie Digitale Zaken,…

Due to its economic prosperity, its policy of (relative) religious tolerance, and its large numbers of migrants, the Dutch Republic has long had a reputation of being the prime example of ‘tolerance’, especially during the seventeenth century. Although the great variety of newcomers in the Dutch Republic…