This dissertation combines the use of defined microenvironments, high-resolution fluorescence microscopy, and time-resolved analysis, to study intracellular and cellular motility.

Synthesis and application of chemical biology tools to study immunomodulatory signaling lipids.

The ideas underlying this thesis are that lipidomics may improve the diagnosis of liver metabolic diseases, and can provide further insights into the underlying pathophysiology of these diseases.

The research described in this thesis centered on retaining exo-β-glucosidases implicated in health and disease, in particular the human inherited lysosomal storage disorder, Gaucher disease (GD).

Starting this semester, Urban Studies students will be able to work on the urban development of the municipality of The Hague. A LUF incentive grant will enable them to put their knowledge into practice even more effectively. At the same time, a study will be started on the optimal use of urban spac…

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This lecture will be hosted on Thursday, 8 January 2026 at 6:00 pm.

This PhD project investigates the forms, functions, meanings, and socio-cultural values embedded in Palenda, in order to understand how it reflects and shapes the worldview of the Muna people (Mieno Wuna) through metaphor.

What is the role of emotion regulation in coping with interpersonal feedback?

This dissertation provides an up to date description of the Indo European lexical stock of Armenian (ca. 500 entries) with systematic inclusion of unused data that are found in Armenian dialects.

On December 11th, Andreea Geambasu succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Andreea on this great result.

This thesis describes a study from both a theoreticaL and an experimental point of view.

Solar energy harnessed by plants and algae has great potential to be converted into biofuels for future generations.

Which intervention technique is more effective in reducing public speaking anxiety in children aged 9 – 12 years, exposure or restructuring cognitions?

Promotor: A. Kros

On the 16th of June Patrtick Harrison successfully defended a doctoral thesis and graduated.

This thesis explores how electron paramagnetic resonance (EPR) spectroscopy can be used to investigate key biochemical processes.

To meet the rising demand for minerals driven by the global shift to clean energy technologies, ensuring responsible and resilient supply chains is critical. Minerals like cobalt, lithium, and nickel for batteries, neodymium and zinc for wind turbines, and indium for solar panels are essential.

The present monograph, spanning a wide range of world and local literatures represents a high academic standard of both literary criticism and philological analysis. By demonstrating her expertise as an Africanist conversant with the Arabic canon, Raia reveals how the narrative of Joseph has been re-narrated…

On 19 September 2019, Lynette Janssen defended her thesis 'EU Bank Resolution Framework: A comparative study on the relation with national private law'. The doctoral research was supervised by Prof.mr. W.A.K. Rank and prof. M. Haentjens.

What does the daily life of those who travelled to Syria to join jihadist groups look like? Destination Syria, a new ISGA report, provides answers to this question

As of January 2021, Leiden University’s Centre for International Relations (LUCIR) has a new team of coordinators, as well as a new advisory council.

‘Systematic, coherent, comprehensive policy for the long-term,’ is key to initiatives by different groups within the University to collectively reinforce their quality, says Diversity Officer Isabel Hoving. On Thursday 15 June 2017 the Minister of Education, Culture and Science (OCW) visited Leiden…

A difficulty of studies on chemical kinetics are the reaction time scales and detection of their intermediates.

Promotor: M.A.G.J. Orrit

Actinobacteria are Gram-positive bacteria that have a complex multicellular life cycle and are well known for their ability to produce a wide range of bioactive natural products (NPs).

On Wednesday 31 August 2022, the graduation ceremony of the BSc Security Studies took place. The ceremony was opened by programme director Daan Weggemans.

Impressions by Martin Küster, Master of Arts.

In this thesis, I study 1) metabolic alterations in tuberculosis related to wasting syndrome in human patients as well as in rodent and fish animal models. 2) effects of the mutation of the leptin gene on cachexia and diabetes in rodent and zebrafish animal models.

Leiden University is home to over a hundred specialists studying the Middle Ages and the Early Modern period. From 2017-2018 onwards, they will join forces to offer two new options for specialisation within existing MA programmes: Medieval Studies and Early Modern Studies.

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

On Wednesday, September 17, 2025, Prof.dr. Sarah Cramsey convened a book manuscript event at the beach of Wassenaar near Leiden to discuss her new book 'Caring through Catastrophe: Jewish Children and their Caretakers during the Holocaust' which is under contract with Indiana University Press.

In this thesis we have discussed several parameters that affect the electrochemical conversion of enviromentaly harmful molecules such as nitrates and carbon dioxide to more valuable and less deleterious compounds, in order to cast light onto the mechanism of the reaction to achieve an efficient and…

The main aim of my Ph.D. thesis is to further explore the value of using early developing zebrafish larvae (up to 5 dpf) as a model to study anxiety-like behaviour and their pharmacological modulation with drugs.

How do educational philosophies, discourses and practices spread around the globe, and how are they transformed and adapted locally?

On 10 June 2021, Merinda Stewart defended her thesis 'Freedom of Overflight: A Study of Coastal State Jurisdiction in International Airspace'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon en Prof. J.J. Rijpma.

With the recent rise and fall of IS, academics and policy makers around the world are expressing concerns about the fate of children of former foreign fighters. Will they follow in their parents’ footsteps? In this paper, Layla van Wieringen, Daan Weggemans and Marieke Liem argue that in light of this…

Promotor: M. Ubbink, Co-promotor: G. Siegal

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.