Promotor: Prof.dr. F.S. de Boer, Co-promotor: D. Clarke

What is better for waste recycling: a plastic, paper or ceramic cup? A bio-based or fossil-based coating? Waste sorting at the source or at a recycling facility? Ask ten experts and you will get ten different opinions. We can all agree on one thing: doing nothing is not an option. Thus, Leiden University…

There have been recycling bins in all of the University buildings since 2018. Waste bins were removed from staff offices at the same time. Waste such as paper, batteries and printer cartridges is now collected in separate streams. But the big question is: what happens to the different waste streams?…

Parental divorce or separation is for many children an adverse experience in itself. Particularly the transitional period just before and after the separation between parents, during which parents and children have to adapt to the disruptions in family life is stressful. Previous studies showed that…

Many internal and external parties are involved in the expansion of the Gorlaeus Building.

On 30 October 2019, Paul Jager defended his thesis 'De concern(genoten)enquête'. The doctoral research was supervised by Prof. S.M. Bartman and Prof. M.E. Koppenol-Laforce.

Promotor: Prof.dr. T. Hankemeier, Co-promotores: Heiko van der Linden, Paul Vulto

Like a mixture of oil and water, lipid membranes separate into two liquid phases.

One often sees gloomy Dutch newspaper headlines about pupils’ arithmetic skills in elementary schools. But is the situation really so bad? Marian Hickendorff is conducting intricate research on performance in and the teaching of arithmetic. The conclusions she draws beg to differ.

The Department of Constitutional and Administrative Law of Leiden University has published a collection of research essays on the separation of powers. This collection addresses the main question of whether the historically developed combination of concepts of democratic legitimacy and the separation…

In the absence of stringent and coordinated international action, States might seek alternatives to promote environmental protection unilaterally.

On 25 October 2018, Tu Zhang defended her thesis 'Public Reason Secularism: A Defense of Liberal Democracy'. The doctoral research was supervised by prof. P. Cliteur.

Law

Promotores: H. Schiessel, G.T. Barkema

Even though more than 4000 extra-solar planets are known today, only a small fraction of these has been captured in an image. To better understand the planet formation mechanisms in solar-like environments we started the Young Suns Exoplanet Survey (YSES).

Promotor: J.A. van Veen, Co-promotor: E.E. Kuramae

Promotor: Prof.dr. T. Hankemeier, Prof.dr. J.C.T. Eijkel (Twente University)

In this thesis we will explore the use of fuzzy systems theory for applications in bioinformatics.

Every year in the Netherlands, thousands of children are placed in out-of-home care because their parents are unable to look after them properly or because the children are at risk.

On 23 October 2019, Yoram Stein defended his thesis 'Spinoza's Theory of Religion: The Importance of Religion in Spinoza's Thought and Its Implications for State and Society'. The doctoral research was supervised by Prof. P.B. Cliteur and Prof. A.A.M. Kinneging.

Miriam Cohen defended her PhD dissertation entitled “Reparations for International Crimes and the development of a Civil Dimension of International Criminal Justice” on 28 June 2017. She wrote her thesis under the supervision of Professor L.J. van den Herik and Professor C. Stahn.

On 5 February 2019, Alain Vannieuwenburg defended his thesis 'Pleidooi voor een lekenrenaissance'. The doctoral research was supervised by Prof. dr. P.B. Cliteur.

The European Consortium for Political Research (ECPR) has expressed its concern about reported infringements of academic freedom in Turkey. The ECPR, of which Leiden University’s Institute of Political Science is a member, urges the Turkish political authorities to ensure that all academics can do their…

Lecture, Research Seminar

Andrew Shield (35) is a University Lecturer at Leiden University and the cofounder of the Leiden Queer History Network. History, migration and sexuality are all subjects he is passionate about and teaches in. He wrote a book about immigrants during the sexual revolution, as well as one on contemporary…

In recent decades, the Netherlands’ struggle with multiculturalism has caused an upsurge in public interest in the relationship between state and religion. In this, the Dutch address a subject relevant not just to them, but to all of Europe.

Most people know what law is. But what it should be or where it comes from is what interests the researchers from the Institute for the Interdisciplinary Study of the Law. Key to their approach are topics that go right to the heart of philosophy of law. What is a state? What are the limitations of…

On July 8 and 9, 2022, Leiden University hosted the second conference of the research group on Institutions for Conflict Resolution, in collaboration with Radboud University Nijmegen and Utrecht University.

Promotores: H.W. Lenstra, K. Belabas (University of Bordeaux)

In the United States and around the world, the death of George Floyd has sparked fierce daily demonstrations against police violence and racism. What is the significance for our faculty?

The response of international organizations to the problems of cross-border death and gift taxation needs to be revisited, according to PhD candidate Vassilis Dafnomilis. PhD defence on 3 June 2021.

Do you wanna know how to recycle? Check out the guides LUGO made! The recycling guides can be both found in Dutch and English, and are specified for both Leiden and The Hague.

When we think about ancient Egypt, the first things that come to mind are usually mummies and sarcophagi. According to researcher and Rijksmuseum van Oudheden curator Lara Weiss, that impression is unjustified. She made an audio tour for the Rijksmuseum van Oudheden that focuses on living Egyptians…

Promotor: Prof.dr. P.G.L. Klinkhamer, Co-Promotor: T.J. de Jong

On 7 November 2018, Catherine Harwood defended her thesis 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. The doctoral research was supervised by Prof. dr. L.J. Van den Herik and Prof.…

Through the use of artificial intelligence, the executive is gaining in efficiency. At the same time, however, the judiciary is trailing behind in the process of digitalisation. Is this a problem, and what can we do about it?

The stratum corneum (SC) plays a fundamental role in the barrier function of the skin. The SC consists of corneocytes embedded in a lipid matrix.

On April 8th 2020, Ivan Romashchenko successfully defended his doctoral thesis on 'Related party transactions and corporate groups: When Eastern Europe meets the West'.

Attitudes towards cultural heritage have long been characterised by an ‘endangerment sensibility’ concerned with preventing losses. Recently, however, critical heritage scholars have argued that loss can be generative, facilitating the formation of new values and attachments. Their arguments have focused…

This article devises a framework to assess the degree to which human rights bodies provide duplicating or contradicting recommendations to States. Focusing on the case of torture, it creates an original database of recommendations delivered to 14 countries in the years 2012–2016. Results show that duplications…

Assessing the risks of engineered nanomaterials (ENMs) solely on the basis of experimental assays is time-consuming, resource intensive, and constrained by ethical considerations (such as the principles of the 3Rs of animal testing). The adoption of computational toxicology in this field is a high p…

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

Academics increasingly face threats, intimidation and abuse. The WetenschapVeilig platform has been launched to address this. Academics who are being threatened or intimidated can seek help from the platform 24 hours a day. It’s good that we now have this platform. But at the same time, it’s awful that…

How do the starchy botanical foodways reflect upon previous archaeological understandings in the northern and circum-Caribbean?

Practice and science show that secure residential youth care in the Netherlands should no longer be used as a catch-all solution. This is the conclusion of several professionals including Professor of Child Law Mariëlle Bruning in Dutch newspaper NRC.