In their article; The Effects of Legal Measures to Empower Supervisory Directors: Evidence from a Financial Distress Perspective, Santen and De Bos discuss the relationship between the corporate governance structure of a company and its financial performance. Until now studies predominantly hypothesize…

Promotor: A. Achúcarro, Co-promotor: A. Boyarsky

A coronavirus booster shot provides a better immune response against COVID-19 than a single vaccine dose. mRNA boosters are the most effective upon receiving Janssen. These are the results of a collaborative study between several organisations, including the Leiden University Medical Center (LUMC).…

The LeidenGlobal Course ‘Discipline and Place' for ResMA and PhD students highlights the interaction of the disciplinary theory and the method with realities, representations, and issues of place, with lectures by fourteen LeidenGlobal experts. Registration is open until September 6th.

The organizing committee has decided that the conference will take place fully online. We hope to provide more information about the particular online circumstances of the conference in January and how this decision may affect the format of the conference, as well as the registration fees.

Rare-earth materials are prime candidates for storing quantum information, because the undesirable interaction with their environment is extremely weak. Consequently however, this lack of interaction implies a very small response to light, making it hard to read and write data. Leiden physicists have…

Primary Objective: The primary aim of the proposed RCT is to evaluate whether LF-TLP in blended form as an indicated prevention for anxiety complaints is more (cost-) effective than TAU according to the NHG guideline Anxiety. We hypothesize that in comparison to TAU, LF-TLP will result in a significantly…

The latest research from the Leiden outdoor laboratory ‘Living Lab’ shows that the insecticide thiacloprid strongly influences even the most common and robust dragonfly species in the Netherlands. The study was published in the Journal of Applied Ecology.

Human measures to protect lions have an impact on the genetic health of populations. Leiden and Kenyan scientists discovered this by analysing the DNA of 171 Kenyan lions. ‘By fencing reserves, for example, the chance of inbreeding increases.’ With the knowledge and tools from the research, management…

One of the objections to the Comprehensive Economic and Trade Agreement between Canada and Europe (Ceta) is that countries would be surrendering national sovereignty to multinationals which will obstruct effective climate policy. But compared to other trade agreements, CETA is an improvement.

A discovery made in Leiden helps not only to make natural gas from CO2 but also to store renewable energy. Research by Professor Marc Koper and PhD student Jing Shen shows how this process can be implemented in a cost-effective and controllable way. Nature Communications, 2 september 2015.

Following the Mangold and Kücükdeveci case law of the CJEU, the horizontal direct effect of EU general principles and of provisions of the Charter of Fundamental Rights became a hotly debated issue.

Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.

The aim of this study is to identify the side effects during treatment with methylphenidate and to investigate how children experience the use of the medication (such as Ritalin, Concerta and Medikinet).

Discovering effective new drugs is a long, expensive and uncertain process. Laura Heitman wants to improve this by finding out more about how drugs bind to proteins that play a role in disease. She calls it ‘drug discovery 3.0’. Inaugural lecture on 9 December.

Patients on patient forums share all sorts of things about their illness: from side effects and advice to messages of support. PhD candidate Anne Dirkson uses artificial intelligence (AI) to retrieve this information. ‘Ninety per cent of the side effects weren’t officially registered.’

In this article, Ben de Jong, research fellow at the Institute of Security and Global Affairs, examines the relationship between double agents and their handlers.

This thesis investigates Søren Kierkegaard’s place in Martin Heidegger’s first Freiburg period lecture courses.

‘Discipline and Place’ is a lecture series offered by LeidenGlobal to PhD and Research MA students in the Fall of 2020. It gives students an opportunity to reflect on the broader field of the Social Sciences and the Humanities – including Archaeology and Law – and to position their own research accordingly.…

Researchers of the Leiden University Medical Centre (LUMC) and the Leiden Institute of Chemistry have made an important discovery about the commonly used anti-cancer drug doxorubicin. They have found a way to reduce its side effects without sacrificing the effectiveness of the medication. This is encouraging…

Leiden University has taken eighth place in the UI Green Metric, a global sustainability ranking for universities. Over 900 universities from all round the world participated in the ranking.

Leiden University has taken 18th place in the SustainaBul, the sustainability ranking of universities and universities of applied sciences in the Netherlands. A total of 32 institutions took part in this the tenth edition of SustainaBul. Although Leiden University is two places higher than last year,…

The Life in Custody (LIC) Study comprises a large-scale research project into prison climate and the quality of prison life in Dutch prisons.

Using N2 dissociation on Ru(0001) as a representative showcase (for catalysts employed in the Haber-Bosch process), we have shown for the first time that non-adiabatic effects can substantially reduce a molecule’s dissociation probability on a metal surface. These effects are currently completely unaccounted…

Promotor: Prof.dr. D. Bouwmeester, Co-Promotor: M.J.A. de Dood

According to GreenMetric, in 2020, Leiden University will be in 8th place in the global sustainability ranking UI GreenMetric. In this memo, participation in this ranking is evaluated, points for improvement are given and an ambition suggestion is made for 2021.

Mark Klaassen presenter at the Reuniting Families: From Access to Integration event organized by the EU office of the Red Cross in Brussels.

In SustainaBul, 16 higher education institutions are ranked on sustainability each year. Leiden University has managed to keep its fifth place. A good position, but with room for improvement.

By reforming agriculture in targeted areas, we can protect the Natura 2000 areas much more effectively. This is what Jan Willem Erisman of Leiden University and Ton Brouwer of Gispoint consultancy write in a new report. They have created a special, nitrogen map of the Netherlands that shows the areas…

American PhD candidate Linda Gottschalk wrote this proposition in her dissertation on Caspar Coolhaes, Leiden’s first Professor of Religious Studies. What's behind it?

Viktorija Kostadinova, from Macedonia and currently a second-year PhD student at the Leiden University Centre for Linguistics, has just returned after two and a half months at the University of Michigan: ‘It was a truly rewarding experience.’

How is interdisciplinary collaboration faring at Leiden University? And has disciplinarity been completely abandoned? I’d like to reflect on some concerns among colleagues and on our plans for the future.

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. Why should you be there? ‘The problems in the world affect us all. This conference will be looking at planetary governance’, says programme…

This thesis described the development of novel scanning tunneling microscopy techniques to investigate strongly correlated electronic states in quantum matter.

In this blog post Saskia Postema and Jan Melissen claim that Chinese UN celebrities’ activism under Xi Jinping has become aligned with the Chinese leadership’s ambitions.

Leiden University is in third place in the Netherlands for the percentage of women professors, behind the Open University and Radboud University in Nijmegen. This is reported in the Review of Women Professors 2018.

On Wednesday the 31st of October, a Dragon’s Den style pitching competition took place at PLNT in Leiden. Seven teams pitched their business ideas to a panel of potential investors, consisting of experts in the field of entrepreneurial finance (such as a representative from Symbid, one of the first…

The Hazelhoff Centre for Financial Law organized the third edition of the workshop ‘Principles for effective negotiations in legal practice’ on 5 June 2018.

In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…

This thesis presents the results of a study on the interfaces of insulating oxides with and without the insertion of a magnetic layer.

The faculty of Humanities scores well in the anual QS World Universities Ranking By Subject list. This year we have placed sixth in the category Classics and Ancient History.

Leiden pharmacy and pharmacology has risen to 17th place in the QS World University Rankings by Subject. In 2016 it was in 21st place in this annual ranking of leading universities in 46 disciplines.

How do digital technologies affect adolescent mental health and resilience? How do we foster a secure online environment? How should we deal with increasing rates of online crimes among adolescents? During the mini-symposium ‘The effect of the online world on adolescents’, presented by the interdisciplinary…

Computer Science on place 51 in QS World Universities Ranking 2011

New research published in the Journal of Leukocyte Biology suggests that these changes to the behavior of the immune system are persistent and can continue even after diet is improvedAlmost everyone knows that improving your eating habits will most likely improve your health. What most people may not…

In this thesis, we study systems of electrons in which strong correlations give rise to emergent exotic physics.