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…

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.

Promotores: H. Schiessel, G.T. Barkema

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.

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

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.

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…

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

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…

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

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…

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.

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?

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.…

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.

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

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.

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?

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…

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…

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

To what extent are, can, and should, human trafficking and human smuggling be(ing) seen as interlinked phenomena? What are the consequences of seeing the phenomena as either distinct or interlinked for the way in which migrants crossing intra-Schengen borders are treated.

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

Peter Rodrigues contributed a chapter 'Human Rights and the Best Interests of the Child in European Family Reunification Law' in the book by Bergamini E., Ragni C. (Eds.), Fundamental Rights and Best Interests of the Child in Transnational Families.

Riese presented on 3 December 2018 the reason of state as the preservation of the state through exceptional measures.

The physical landscape is the setting in which human activities take place. Landscape and site context during human occupation is one of the areas of concern for the geoarchaeologist. A detailed stratigraphical study -both on- and off-site- clearly enhances the interpretation of the archaeologists,…

Leiden University's 2017 annual report has now been published. This year for the first time the University has also published a separate sustainability report. Leiden University is the first university to produce a separate report on the progress of its sustainability policies.

The buildings will be developed one by one. The work will vary from the major redevelopment, refurbishment or renovation of existing buildings to the construction of new ones.

In the Wijnhaven building is room 2.64, designed to facilitate collaborative work. Circular tables hold up to 8 people. The room has 3 separate projection points which can be cast using a wireless USB dongle and desktop application. This room is listed in ZRS and can be booked (for certain faculties)…

Metabolomicshas emerged as an important discipline to study molecular and cellular processes in living cells and organisms with the ultimate aim to obtain an answer to a given biological/clinical question.

Promotor: Prof.dr. T.J. Aartsma, Co-promotor: R.N. Frese

Biologist Laura Bertola argues that the traditional separation of lions into African and Asian subspecies is incorrect. She has discovered that Africa is actually home to two subspecies. Her PhD defense was on 18 March 2015.

Formulation of biopharmaceuticals