In recent years, the public discourse on immigration in Europe and in the United States has often focused on efforts to increase security and restrict traffic on external borders. How old is this phenomenon of states attempting to control migrations on external borders? What were the motives and the…

A study has been initiated at the instigation of WODC (Scientific Research and Documentation Centre) on the judicial monitoring of big data applications by government. The study is being conducted by TILT (Tilburg Institute for Law, Technology, and Society).

We have developed a microfluidic platform for complex 3D organotypic cell cultures (so-called organ-on-a-chip systems) which are suited for integration in 96 or higher well plate format.

Although the General Data Protection Regulation (GDPR) harmonizes the protection of personal data across the EU as of May 2018, its open norms in combination with cultural differences between countries result in differences in the practical implementation, interpretation and enforcement of personal…

Comparing individual health data with group data allows doctors to give personalised advice and patients to learn from one another's experiences. Wessel Kraaij, Professor of Applied Data Analytics, shows how personal data can have a valuable predictive function. Inaugural lecture 24 February.

A 24 person classroom on the floor 0 of the Pieter de la Court building. Designed for groupwork, rolling, flexible tables and chairs are arranged around shared monitors. Each group has a small whiteboard. The frontal projection point has a short-throw projector with motion tracking and live annotation.…

Why do certain incidents of serious violence end lethally whereas others do not? What role do personal characteristics of offenders and victims play and how do immediate situational factors influence outcomes?

The ambition of the Metabolomics and Analytics Centre led by Thomas Hankemeier is to develop innovative analytical strategies for metabolomics-driven health monitoring and systems biology studies. Understanding the intricate balance between health, disease and adaptation to challenges relies on the…

The research of this PhD project can be subdivided into two main disease areas: migraine and stroke. For both we will be investigating how artificial intelligence (AI) and machine learning (ML) techniques can be used to study these afflictions, their (early) detection, and their potential treatment.

Proactive zebrafish appear to have a much stronger wake-sleep rhythm than reactive fish. In the most reactive fish, rhythmicity appears to be lacking completely. This is shown with research by Leiden biologists, published in December 2018 in the journal BMC Biology.

How does stress affect different components of behavioral impulsivity and aggression in patients with Borderline Personality Disorder compared to clinical controls (patients with Attention Deficit Hyperactivity Disorder) and healthy controls?

How can we implement the technique of pharmacological resting-state fMRI to improve the diagnosis of dementia?

The Dutch police must stop storing personal data indefinitely. This was decided by the Council of State following several publications by investigative journalism platform ‘Follow the Money’ (FTM). Bart Schermer, Professor of Law and Digital Technology, assisted in the investigation.

In the Netherlands it is now possible to visit non-essential shops if you make an appointment beforehand. But when you book an appointment you have to provide a lot of personal data. Are shops allowed to ask you for all this data and what happens to it?

GoodBrother aims to increase the awareness of the ethical, legal, and privacy issues associated with audio- and video-based monitoring and to propose privacy-aware working solutions for assisted living.

Have you always wanted to use your own coffee mug at the university coffee machines but it was never accepted? We have good news for you!

In Dutch magazine Elsevier, Marieke Liem explains the issues with using the term ‘troubled person‘ in reports on homocide.

The predication of the effect (efficiency and toxicity) of a drug in a patient is very important in (i) clinical decision support and (ii) the development of novel drug treatments.

Governments are increasingly facilitating the roll-out of so-called “smart meters”, a technology for measuring energy consumption that are able to transmit and receive data using a form of electronic communication. However, implementation has been slow or even stalled.

Liposomes hold great promise for peptide-based personalized cancer vaccination, especially when administered intradermally. However, current liposome preparation methods are very time consuming (resulting in long development times per formulation), whereas personalized cancer vaccination requires very…

Drug-related homicide (DRH) has the potential to act as a valuable indicator of wider drug-related crime. Yet DRH remains a knowledge gap within this broader field of study.

The person who cried out at Dam Square on Remembrance Day in 2010. For Michiel van der Wolf this marked the rise of a new phenomenon: that of ‘confused people’. Because since that Remembrance Day, the number of reports of ‘confused people’ in the Netherlands has increased rapidly in the statistics.…

There are not many classes in which students can talk about their fears, self-critique, or their own happiness. In the Bachelor Honours Class ‘Personal Flourishing and Happiness’, this is exactly the plan.

A 24 person classroom on the ground floor of PJ Vethgebouw. Rolling, flexible furniture and 5+ writable surfaces supports small groupwork. Furniture is interlocking, supporting multiple arrangments. Features a smartboard TV monitor. Bookable through ZRS.

The Pavement Plants Citizen Science Project invites citizens to monitor plant species growing around their homes, neighborhoods, or towns. The goal is to collaboratively monitor urban flora, measuring and revealing the species richness and biodiversity of the urban ecosystem. We believe this will lead…

‘Raising awareness of the disorder is crucial since borderline personality disorder (BPD) still faces considerable stigma ’, says Anne Krause-Utz (Clinical Psychology) . Together with an international team of excellent scientists, Krause-Utz provides an update of current knowledge about this disorder,…

Here you will find an overview of the Spaces for Active Teaching and Learning already implemented at Leiden University and LUMC. These rooms vary in size, location, material affordances, and technological affordances, and thus vary in the forms of pedagogy they best support. You can use this site as…

We investigate water quality and want to understand the effects of human interference on aquatic biodiversity.

At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Astronomer Yamila Miguel is the first in this series to tell her…

The Honours College Law (HC Law) is soon going to look very different. What does the HC Law currently do, and what’s going to change? Why should you apply for it? To answer these questions, we spoke to Maartje van der Woude, Designated Professor at the HC Law. She’s designing the new programme in collaboration…

Are all murderers calculating psychopaths with an obscene predilection for bloody chainsaws? Yes, if Hollywood is to be believed, but in the real world they are generally everyday people with problematic backgrounds. Professor of Violence and Interventions Marieke Liem therefore calls for the demythologisation…

The proportion of female professors at Dutch universities is increasing, but at a modest rate. At 34.2%, Leiden University is in the top three. These are the results of the Women Professors Monitor for 2025.

On Thursday 16 November 2017, Lalin Kovudhikulrungsri will defend her doctoral thesis entitled ‘The Right to Travel by Air of Persons with Disabilities’. The defence will commence at 11.15 hrs at the Academy Building of Leiden University, Rapenburg 73. The supervisors are Professor P.M.J. Mendes de…

The marine shipping industry is one of the strongest emitters of nitrogen oxides (NOx), a pollutant detrimental to ecology and human health. Over the last 20 years, the pollution produced by power plants, the industry sector, and cars has been decreasing.

Living labs make it possible for citizens to participate in research for sustainable development of their environment. This way citizens, together with scientists and stakeholders, create local conditions for food production, healthy environment, and biodiversity.

Globally and regionally, biodiversity is declining and there are shifts in species’ occurrences and functional traits.

In this thesis I describe the results of Pulsed Interleaved Excitation and Fluorescence (Cross) Correlation Spectroscopy (PIE-F(C)CS) combined with single-pair Förster Resonance Energy Transfer (spFRET) used to study dynamics in single nucleosomes, which depends on subtle differences in the length of…

Key publications of the Antiviral Pharmacology group.

Not only companies go bankrupt, many people do too. Are bankruptcies beneficial for natural persons, and do they give people the new start they need? Leiden University will examine these questions in collaboration with SEO Amsterdam Economics.

The overarching aim of this theme is to increase our understanding of the mechanisms underlying altered cognitive, affective, and social behavior in relation to mental health problems.

The project’s overall goal is to improve Indonesia’s environmental legal framework and its implementation by strengthening the regulatory capacity of the government, and by enhancing the capacity of CSOs and scholars to hold the government accountable for its regulatory performance.

This UNESCO Chair at CWTS aims to contribute to UNESCO’s agenda to foster diversity and inclusion in science. The chair has two main lines of work:

Clinical psychologist Bernet Elzinga has been appointed as Professor of a personal chair at the Faculty of Social and Behavioural Sciences. This professorship will contribute both nationally and internationally to the broader promotion of Leiden University in the field of stress and psychopathology.

Online presentations of our regular master’s programmes were held from 11 to 19 May. Would you like to see them again? Check out our full range of programmes below!