International education in the Netherlands is under pressure. There is pressure on the student housing market, and there is a greater desire among right-wing parties to keep our education and students within the borders and to make studies Dutch-language. In these social matters we look at what international…

Bacteria caught red-handed, deeply frozen just as they were about to cause Lyme’s disease. Ariane Briegel is wildly enthusiastic about the wonders she observes thanks to three elements: a freezing technique, a camera-equipped microscope, and AI. ‘It’s fascinating. Every single cell is different.’

A quantitative study on the use of pre-trial detention of juveniles in The Netherlands.

The Royal Academy of Art and the Royal Conservatoire together with the Academy of Creative and Performing Arts (ACPA) at Leiden University are developing a new platform for research in and with the arts, with an emphasis on collaboration.

This book offers novel perspectives on the national and international dimensions of the post-war welfare state in Western Europe and North America.

In our research protein translocation from Agrobacterium into yeast and plant cells is studied to obtain fundamental insights in the translocation process

Studies over tien eeuwen leescultuur

This project aims to study the Aesopian fable from 1500 to the present day in its complex relationship between text, illustration and education, adopting a broad, transnational perspective.

Damien Van Puyvelde and Paul Oling explore how government intelligence agencies can effectively collaborate with the private technology sector to meet their evolving technological needs, focusing particularly on emerging technologies such as artificial intelligence (AI) and quantum computing.

This work analyzes ritual practices and knowledge related to the Mesoamerican calendar with the aim of contributing to the understanding of the use and conceptualization of this calendar system in the contemporary K’iche’ community of Momostenango, in the Highlands of Guatemala.

This thesis examines the impacts and challenges of water use of electric power system. This thesis found that there are large differences in water use of electricity technologies, with hydropower and thermal power being two large water users.

The profile area Political Legitimacy brings together researchers from multiple research institutes within Leiden University.

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The RNA guided endonuclease based on the CRISPR/Cas system of Streptococcus pyogenus is a potent new tool for genome engineering in plants.

This thesis describes how different colours of light affect various aspects of the growth and development of Arabidopsis and tomato plants⁠.

How did nineteenth century scholars evaluate each other and each other’s work through more or less informal practices of peer review?

Why do historians so often talk about objectivity, empathy, and fair-mindedness? What roles do such personal qualities play in historical studies? And why does it make sense to call them virtues rather than skills or habits?

What makes a good historian? When historians raise this question, as they have done for centuries, they often do so to highlight that certain personal attitudes or dispositions are indispensable or studying the past. Yet their vieuws on what virtues, skills or competencies historians need most differ…

The largest genus within the Phyllanthaceae family is a group called Phyllanthus L. Recent studies have shown, that Phyllanthus is paraphyletic with the genera Glochidion, Breynia and Synostemon nested within it.

What does it mean to live in an era of ‘posts’? At a time when ‘post-truth’ is on everyone’s lips, this volume seeks to uncover the logic of post-constructions – postmodernism, post-secularism, postfeminism, post-colonialism, post-capitalism, post-structuralism, post-humanism, post-tradition, post-Christian,…

PhD defence

This thesis deals with the use of sound in interactions in the context of participatory systems and data sonification. We investigate an interactive environment where participants perceive information of the data through sound elements.

The research described in this Thesis was aimed at designing and synthesizing nature-inspired compounds as part of TB vaccine discovery.

Are you a student or employee at Leiden University, do you work at the Leiden Bio Science Park or do you just want to run for charity, everyone is welcome to register!

The advanced insights obtained for the CNS PBPK model development are currently used to develop advanced mathematical models for drug distribution prediction in other body tissues protected by barriers, such as the gut. The gut PBPK model will be linked to drug effects for treatment of colon cancer.

This thesis presents the first synthetic peptides ADP-ribosylated on serine, threonine, tyrosine, arginine and cysteine.

The work described in this Thesis is focused on the assembly of oligosaccharide fragments derived from a fungal polysaccharide, galactosaminogalactan (GAG) and fragments of the exopolysaccharide Pel, generated by Pseudomonas aeruginosa.

Are you interested in combining your Science master programme with the Business Studies specialisation? Learn more and watch the introduction video.

Nicotinamide adenine dinucleotide (NAD+) is the substrate used for the introduction of the ubiquitous and highly dynamic PTM in which either one or multiple adenosine diphosphate ribose (ADPr) moieties are covalently attached to a nucleophilic side chain of an specific amino acid in the target protein…

Photocatalysis has emerged as a powerful tool for enabling challenging transformations in organic synthesis. This thesis explores the development of several photocatalytic reactions designed to form carbon-heteroatom bonds from less-functionalized precursors.

Leiden University’s Executive Board (CvB) visited Leiden University College in The Hague on Friday 11 November during a working visit tour past the Institutes of the Faculty Governance and Global Affairs. Hester Bijl and Martijn Ridderbos were provided with an overview of the programme, the research,…

The Faculty of Science launched the new Academic Year on 21 September with a special We Are Science talk show. Dean Paul Wouters starred in his role as talk show host and received a wide variety of guests.

Open Science verandert de manier waarop onderzoek wordt gedeeld en wordt samengewerkt. Anna van ’t Veer won een award voor haar Open Science-activiteiten.

The Executive Board has appointed Professor Hubertus Irth as Interim Dean of the Faculty of Science at Leiden University. Professor Irth will take up his post on 15 September 2019, replacing Geert de Snoo, who has been appointed as Director of the Netherlands Institute of Ecology (NIOO-KNAW).

Leiden was ‘European City of Science’ in 2022. Leiden University looks back on a fantastic year with activities, lectures and workshops full of science and curiosity.

The Minor in Teaching was introduced in 2009 as a new initiative to introduce and prepare bachelor students for teaching. Student numbers are low, however, especially of mathematics and science students.

The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.

From the beginning of Galileo’s career, well before the publication of the Sidereus Nuncius, his contemporaries took pains to shape his reputation and fame. They were fully aware that their efforts would shape the course of his career; they also knew that they would profit from helping him.

Leiden University College The Hague received the 'Top rated Programme' seal from the Keuzegids Universiteiten 2023 (Dutch University Guide). It is the tenth consecutive time the Liberal Arts & Sciences programme focusing on Global Challenges is awarded the honorary seal.

The Environmental Sciences Research Prize 2012 has been awarded to CML researcher David Font Vivanco by the Environmental Scientists Association of Catalonia.

Due to its success, the Leiden2022 Q&A has been extended and is looking for even more thought-provoking, interesting or unusual questions.

The need for novel drugs as well as innovations in their development and application is as urgent as ever. Below we present our vision , mission, and our key research areas.