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.

The Ministry of the Interior and Kingdom Relations has awarded the Dutch Administrative Law Association (VAR) a start-up grant for one of the projects of the initiative 'Bestuursrecht beter' (better administrative law): a Digital Helpdesk for the Elderly. The grant will enable the VAR to take the first…

Alexander Kros studies supramolecular systems in a biological environment. The unifying theme between the projects in my lab is specific molecular recognition, i.e. the intermolecular interaction between complementary molecules with high affinity and selectivity. Studying, imitating and dissecting processes…

Het Empower your PhD-project wil bereiken dat Leidse promovendi meer zelfregie krijgen over hun persoonlijke en loopbaanontwikkeling.

The goal of the MODOMA-project is to create a computer model of language acquisition.

Promotores: Prof.dr. T.H.W. Bäck, Prof.dr. M. Bongards (Cologne University)

In order to optimize treatment, it is necessary to closely monitor and manage the patient’s health status by means of ‘precision diagnostics, personalized prognosis and targeted therapy’. The specialisation combines the techniques and applications of these sensing (monitoring) and stimulation techniques.…

Synthetic microswimmers take an important place within the interdisciplinary field of active soft matter.

Promotor: A. Doelman, Co-promotor: J.D.M. Rademacher

Intrigued by the way cells autonomously regulate their fate, we strive to understand and visualize cellular processes as the basis of Cell Signaling.

On 16 June 2020, Andrea Varga defended her thesis 'Establishing State Responsibility in the Absence of Effective Government'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. F. Baetens (University of Oslo).

Understanding the formation and preservation of Pleistocene fire traces through laboratory-based experimental research

Here we share findings into the effectiveness of the Designing Your Life education at Leiden University. Our study indicates that DYL education has a positive effect on students’ confidence and competencies.

Key publications of the Barz Lab

This article provides a comprehensive analysis of the Islamic State's use of images taken by drones, drawing on a dataset of ISIS propaganda images from October 2016 to December 2018.

The project examines the political conflict in the Red River Valley of Louisiana between the majority-black Republican Party and the overwhelmingly white Democratic Party by studying the composition and actions of each party.

Eduard Fosch-Villaronga, Associate Professor at eLaw, contributed to 'Cyber–Physical–Human Systems', a book exploring the latest developments in interactions between cyber–physical systems and humans.

This study seeks to identify suitable local environments conditions for the objects displayed at the Jordanian museums using the proper methods in order to contribute to the stabilization of these objects.

Van Vark defended her dissertation 'Separation and immersion: the changing role of the armed forces in Northwestern liberal democracies’ on 17 October 2025. The doctoral research was supervised by Maartje van der Woude and Erwin Muller.

In Microbial Sciences, we perform multidisciplinary research to understand the structure and function of microbes at all levels of biological organization, from small molecules and cellular structures at atomic resolution to multicellular communities.

At the Sport Data Center, five research themes are explored.

An overview of the research at the Biologics Formulation group

We aim to provide new insights relating to the spectacular multi-cellular life cycle of streptomycetes and other actinobacteria.

Promotor: Prof.dr. C.A.M.J.J. van den Hondel, Dr. ir. V. Meyer, Co-promotor: Dr. A.F.J. Ram

Leiden University Graduate School of Teaching

The project is financed by SoFoKleS and is enabled in part by support from and cooperation with Utrecht University and various parties within Leiden University such as the Graduate Schools of all faculties, HRM Learning & Development and Academia in Motion.

Training and Exercising in Crisis management and Emergency Control

In The Agency of Empire: Connections and Strategies in French Expansion (1686-1746) Elisabeth Heijmans places directors and their connections at the centre of the developments and operations of French overseas companies.

The emergence of complex diseases resulting from abnormal cell-cell signaling and the spread of infectious diseases caused by pathogens are significant threats to humanity. Unraveling the dynamic mechanisms underlying cell-cell signaling and infectious disease spreading is crucial for effective disease…

CrO2, a half-metal ferromagnet, has shown great promise for superconducting spintronics applications for nearly two decades.

The strengths of this master’s specialisation are its research-orientated approach, combined with training in safety and quality control in the production of medicinal products in the biotechnology and pharmaceutical industry.

How effective is eye movement desensitization and reprocessing therapy in targeting epilepsy-related anxiety?

The major aim is to develop, evaluate, and implement disease-generic cognitive-behavioral interventions through the internet in order to optimize tailored health care for patients with chronic somatic conditions.

Predictors of work functioning in persons with multiple sclerosis

In what way can teachers support and enlarge student engagement in a blended learning context?

Through his project we will unravel the global regulatory networks that control gene expression in Streptomyces bacteria and allow them to properly respond to major changes in the environment; we will then harness this knowledge to activate and identify novel antibiotics

What made the early Islamic empire so successful and have we missed the story by neglecting crucial evidence? The 7th-century Arab conquests changed the socio-political configurations in the Mediterranean and Eurasia forever. Yet we do not really know how the Arabs managed to gain dominance of this…

We focus on a better understanding of the mechanisms of cancer drug resistance and metastasis.

What is the role of local authorities and communities in shaping how inter-Schengen borders are understood and dealt with?

Research at the MCBIM group is comprised of the following research themes:

In this research project child language phonology is studied from the perspective of a psycholinguistic speech-production model and this model is in turn studied from the perspective of developmental phonology.

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

The main objective of this research is to map out the cities of the Roman Near East in the imperial period, with a focus on location, city size and urban features, in order to study the form the urban system and its levels of integration.