Promotores: Prof.dr. H.J.M. de Groot, Prof.dr. J. Matysik (Universitaet Leipzig)

Promotor: H.J.M. de Groot, Co-Promotor: A. Alia

In surface science there is great effort to move from studying simple, flat model surfaces in vacuum to investigating more complex model catalysts in gas environments (in situ). This thesis gives three examples of such studies using microscopy and spectroscopy.

Promotor: Huub J.M. de Groot, Co-promotor: Francesco Buda

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

Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.

This research evaluates the Youth Act. It will provide an overview of how the transition takes place, whether the transformation process develops in the right direction and whether the legal safeguards are functioning properly.

The key questions posed in this dissertation centre on the interaction between spectator and artwork. What happens between a spectator and an artwork? How do we experience ‘meaning’ in an artwork? How may the process of interpretation be understood and articulated?

Promotor: J.W.M. Frenken Co-Promotores: I.M.N. Groot; L.B.F. Juurlink

Archaeological and related essays on the Jordan Valley in honour of Gerrit van der Kooij on the occasion of his sixty-fifth birthday

When researching languages in historical context, our goal is to understand the nature of linguistic variation in the past, and explain the extent to which the socio-cultural context of bygone times contributed to shaping linguistic variation and change.

Understanding how nature captures and transfers solar energy is essential both for elucidating biological photosynthesis and for guiding the design of artificial light-harvesting systems.

Overview of the CML reports

Two Leiden researchers have been awarded ERC Proof of Concept grants. These grants, each worth EUR 150,000, will help the grantees in their efforts to bridge the gap from basic science to real-life applications

Political scientist Simon Chauchard (Leiden University) has been awarded a Consolidator Grant by the European Research Council (ERC). This brings him recognition as ‘researcher with a promising track record’ and enables him to set up a research group in the coming five years. Chauchard et al. will analyse…

An overview of awards and prizes granted to our staff and students in 2021, as well as special appointments at Leiden University and other institutions.

In 2025 hebben medewerkers en studenten van de Universiteit Leiden veel mooie prijzen ontvangen en belangrijke onderzoekssubsidies binnengehaald.

The research in the Biosyn group is focused on the design, synthesis and function of the four major types of biomolecules: nucleic acids, carbohydrates, peptides and lipids and hybrid structures thereof. These biomolecules and their derivatives are used in drug discovery and chemical biology, to develop…

Our research projects address cutting-edge and forward-looking societal challenges at the intersection of law and technology.

Coordination chemistry is the chemistry of metal atoms

How can pre-Islamic poetry be used as a source to reconstruct the history of central Arabia at the dawn of Islam?

As a PhD candidate, you are strongly advised to discuss your budget for travel and other research-related costs with your supervisor and the institute management at the start of your research in order to be able to plan your work well and to avoid unpleasant surprises. Please note that all travel must…

Jean-Eric Paquet, a Director-General at the European Commission, visited Leiden University on 20 February. He was impressed by the researchers’ drive, the wide range of topics that they research and the strong collaboration with Leiden Bio Science Park.

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

The Sport Data Center (SDC) consists of the data science disciplines of Leiden University and Technical University Delft, combined with the sport science branches of the Amsterdam Institute for Sport Science and the Sport Engineering Institute of the Technical University of Delft.

The Leiden Risk & Regulation Lab serves as hub for excellent research at the forefront of regulation and risk governance and acts a platform for engagement with the practice of, and education in, regulation and risk governance.

Fostering multi-polar perspectives that engage more connected, nuanced and pluralistic understandings of the world. Global Interactions encourages and supports research that provides significant new insights on these global processes across time and space.

'Collaboration, Mediation, and Comparison: Epistemological Tools from Theory-driven Fieldwork Practice' is written by Cristina Grasseni and published in Anthrovision.

The Risk and Regulation Lab is co-directed by:

Bringing Dominican indigenous collections back to the community

This Conference volume unites a wide range of scholars working in the fields of history, archaeology, religion, art, and philology in an effort to explore new perspec-tives and methods in the study of primary sources from premodern South and Southeast Asia.

The ERC project 'Food citizens?' is a comparative analysis of a growing phenomenon in Europe: collective food procurement, namely networks of people who organize direct food production, distribution, and consumption.

Ironies of Solidarity is an ethnographic study of how financial products and services affect inequalities and conflicts in South Africa.

The department of World Archaeology combines research and education about regions all over the world, from Human Origins to the Middle Ages, and from Europe, to Asia, Africa and the America’s. That broad range in time and space makes the department a dynamic pluriform community with many different approaches,…

The Near East, situated at the nexus of Europe, Africa, and Asia, was central to the development of ancient societies in all three continents.

We investigate the physics and design of mechanical metamaterial, intricately sculpted materials with properties set by their architecture.

The key facts and figures about Leiden University from its Annual Report for 2024.

Team Economic and Social History

Lecture

COUNTERRR examines domestic responses to jihadist armed groups in Africa, analyzing variation in state repression, community resistance, and the evolution of security across Mali, Nigeria, and Mozambique.

The Vrijthof excavations (1969-1970)