In this thesis, bioorthogonal chemistry is combined with correlative light-electron microscopy to selectively label and study pathogenic intracellular bacteria within the host immune cell.

Bacterial chemosensory arrays are protein assemblies that are the key structural and functional component for motile bacteria to sense their internal or environmental chemical signals.

The Centre for the Study of Political Parties and Representation (CSPPR) aims to serve as an interdisciplinary platform for scholars of Leiden University for research focusing on the historical and contemporary operation and functioning of political parties and political representation, with a particular…

Last Friday was Master’s Open Day time once again. Students from home and abroad descended on Leiden and The Hague to find out more about our master’s programmes. Alongside the presentations, the information fairs gave them a good opportunity to ask any questions.

Between 11 and 13 September 2025, the ESIL Annual Conference took place in Berlin, Germany. This year's conference unfolded on the theme 'Reconstructing International Law', attracting an unprecedented number of legal scholars from all over the world.

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

Directors of museums in the Netherlands announced in March 2019 that they would be taking new steps in relation to the return of looted colonial artefacts. So what has happened since?

This semester archaeologist Dr Marike van Aerde teaches an Honours Course at the Faculty of Governance and Global Affairs in The Hague. “In the course, archaeology meets current issues.” For a course like this, the word interdisciplinary fits like a glove.

Corinne Hofman (Professor in Caribbean Archaeology) has been awarded 15 million euro by the EU for her archaeological research on the colonisation of the Americas. She will lead the ‘NEXUS 1492’ project together with colleagues Davies (VU), Brandes (Konstanz) and Willems (Leiden).

There are as good as no clear rules for the return of stolen art. This means that rather than in court, many cases are decided in the political arena instead. In her PhD research Evelien Campfens suggests how this could change. PhD defence on 11 November.

The 4th Latin America and the Caribbean (LAC) meeting was held at the Faculty of Archaeology on 20 November. Ambassadors and representatives from countries in Latin America and the Caribbean region met with the Leiden LAC region group to strengthen academic cooperation and discuss the internationalisation…

In the depots of the Faculty of Archaeology, many artifacts, accumulated after decades of fieldwork across the world, are stored. A new project, the Leiden Inventory Depot (LID), aims to unlock this wealth of information to the outside world. The 3D scanning of objects takes a central role in this endeavor.…

As of 1 September , Karel Berkhoff has been appointed professor by special appointment in Ukrainian History. In this position, made possible in part by the KNAW, he will focus primarily on dark moments in recent Ukrainian history: the persecutions that have taken place in the first half of the twentieth…

Master's students Eden Dijkstra and Rosemary Snelth are the first winners of the H.S. Versnel Prize for best master's or research master's thesis in the field of ancient religion. According to the jury, their theses were so original, well-written and of such high quality that both deserved first pla…

Ellen de Bruijn and Berna Güroğlu, both of the Psychology Institute, have been proposed for professorships by the Faculty of Social and Behavioural Sciences. Güroğlu: ‘I feel honoured that the University has approved the appointment.’ De Bruijn: ‘It’s great, and really motivating, that Leiden University…

Together with LOVA (Association for Feminist Anthropology), Jasmijn Rana organized the seminar ‘Gender Moves on May 10, 2019. This seminar explored how gender is enacted and reproduced in movement and how gendered movement contributes to dismantling and/or reinforcing ideas and norms about gender the…

In the academic year 2022-2023 the Social Resilience and Security interdisciplinary programme will offer a new minor for students who are interested in studying interpersonal violence and who are entering the third year of their Bachelor's degree. The announcement went down well with students: the available…

Collecting as much information as possible about administering a new medicine to people can save a lot of money.

The research conducted at the Leiden Academic Centre for Drug Research is clustered within the divisions of BioTherapeutics, Cell Systems and Drug Safety, Medicinal Chemistry and Systems Pharmacology and Pharmacy, and the Metabolomics and Analytics Centre.

The chain that supplies patients with new medicines consists of various complex links: from fundamental research to clinical tests and production. This entire chain is represented in Leiden. Leiden University, the Leiden University Medical Center (LUMC), and the companies on the Leiden Bio Science Park…

The LACDR represents the core of bio-pharmaceutical research at Leiden University, and we interact closely with our partners:

The Institute of Education and Child Studies is part of the Faculty of Social and Behavioural Sciences at Leiden University. The institute is governed by an Institute Board under the direction of a rotating chairman, i.e. the Scientific Director and an Director of Studies. The Institute Board is…

The discovery of new medicines is a tedious and lengthy process. On average, over 10,000 molecules need to be studied for one to become a drug and reach the patient. Part of that process are the very costly clinical trials in humans, and candidate drugs often fail due to side effects or lack of efficacy.…

The Faculty of Science

A tantalizing concept that has emerged in our recent research is binding kinetics. An important parameter is residence time (RT), a direct reflection of how long a drug stays bound to its target. This parameter is of crucial importance, because drug action lasts only as long as the receptor-ligand complex…

Providing each cancer patient with the right treatment remains a challenge. Oncode Accelerator aims to change this by innovating the way we develop cancer treatments, thus ensuring the patient is at the heart of the process. Leiden University, the LUMC and other partners will implement this new way…

Positive expectations can influence sensations of itch and evoke placebo effects, whereas negative expectations can trigger nocebo effects in itch. There is evidence that placebo effects can occur even when people know that they are taking a placebo. Little is known about how these so-called open-label…

The community is growing rapidly, select a faculty in the left panel to search and connect with members.

How do pathogenic mycobacteria alter lipid metabolism in human cells and patients, and which disrupted pathways could be targeted for new antibiotics?

Get to know us through our online and in-person events for prospective students!

A new therapy for the serious Graft-versus-Host disease

Starting next academic year, part of the master's in Population Health Management will be available at the University of Birmingham in England. What is the advantage of studying at both universities? Master's student Ferdiko Hutamadella studied in Birmingham as well as Leiden before the partnership…

A master in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

On 22 January, Annemarie Madani-Abbing will defend her dissertation 'Art therapy and anxiety' regarding her research into the effectiveness of anthroposophic art therapy in treating anxiety in women. We asked her about her research and what it was like to combine a job outside academia with studying…

The spectacular “density” of artworks and architecture in Florence, a designated UNESCO World Heritage site (1982, 2015), reflects a nucleus of some of the most important collecting histories and museums in the world, ranging from the unparalleled Renaissance acquisitions of the Medici dynasty to the…

This case study demonstrates how to design and effectively deploy a (survey embedded) conjoint experiment.

Sphingolipids are important membrane compounds with a variety of functions. In mammalian cells, different enzymes are involved in the metabolism of sphingolipids, but interruption of this metabolism process leads to different diseases.

Promotores: F.H.J. Redig, W.T.F. den Hollander