The rapidly increasing commercial application of metallic nanoparticles within products will inevitably enhance the amount of NPs being released into soil.

The function of TLRs in innate immunity has aroused worldwide attention soon after its discovery. Because of the broad functions of TLR2 in innate immunity, the drive for the development of TLR2-targeted vaccines or therapeutic treatments has accelerated in the last decades.

Atherosclerosis is the most important underlying process that drives cardiovascular disease, and is characterized by an accumulation of cholesterol which triggers an inflammatory response in the vessel wall.

This thesis is concerned with the constitution of chiral responsive matrix assemblies that may undergo light-driven conformational changes and self-select vibrations to develop vibronic states for driving semi-classical coherent transfer with nearly 100% yield in a lossless NCAP process.

The master’s specialisation Evolutionary Biology at Leiden University investigates biology at all levels. The specialisation includes genomics, functional developmental genetics, paleobiology, behavioral biology and evolutionary ecology.

Organic amendments applied to agricultural fields can partially offset our carbon emissions to the atmosphere and improve the resilience of agriculture to the effects of climate change. Driving these benefits, however, are complex and poorly understood interactions between organic amendment properties,…

Intermediality, Media Practices and Media Literacy is one of the six research themes of the LUCAS Modern and Contemporary cluster.

We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.

On the 26th of May Sudarmoko successfully defended a doctoral thesis and graduated.

Reducing greenhouse gas emissions is one of the most pressing challenges that humanity faces in the coming decades.

This thesis investigates opinion dynamics on random graphs through the lens of the voter model, a classical interacting particle system used to describe how consensus emerges in networks.

On 24 January 2024, Vethaak defended the thesis 'Empirical Analysis of Social Insurance, Work Incentives and Employment Outcomes'. The doctoral research was supervised by Koen Caminada and Pierre Koning.

In the research programme Drug Discovery & Safety, we are interested in the efficacy and safety of new drugs and novel means to decipher these aspects. Hence, we employ advanced imaging and high-throughput screening techniques next to computational approaches such as chem- and bioinformatics.

The research at The Metabolomics & Analytics Centre is centered around developing innovating analytical methods to enable metabolomics-driven systems biology in personalized health strategies.

This dissertation advances automated negotiation by developing agents that can learn and adapt across diverse negotiation settings through three increasingly sophisticated approaches: automated algorithm configuration, portfolio-based strategy selection, and end-to-end reinforcement learning with graph…

The vegetative growth period for leafy vegetables like lettuce is essential for yield and quality.

Are you curious about why people are the way they are – and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

Are you curious about why people are the way they are – and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

Knowledge that helps protect the Netherlands and Europe from military and cyber threats.

The Young Academy Leiden (YAL) organises listening sessions across faculties. The aim of these listening sessions is to learn more about the wants and needs of (post-PhD) Early Career Researchers at Leiden University.

Empowering education professionals in their continuous professional development is fundamental to our mission. We understand that a teacher’s didactic skills are as essential as their subject knowledge in delivering impactful education. To support this, we offer a broad range of training and coaching…

What mismatch of socioeconomic and environmental values is preventing Circular Collaboration in Dutch housing renovations?

PhD defence

Electives offer students the opportunity to further specialise and deepen in specific aspects of leadership.

Hydrogen peroxide (H2O2) is an important bulk chemical that is used in various industrial processes. More than 95% of the H2O2 used in industry is made via the anthraquinone process during which a large amount of energy is going to waste.

In the academic year 2023-2024 the SRS interdisciplinary programme will offer four courses for interested students who are entering the third year of their Bachelor's degree. You can sign up for these courses in your elective (minor) space. You can follow the courses individually as an elective, or…

The soil ecosystem consists of the largest reservoir of biodiversity on Earth.

This book explains how mass killing is driven by elite politics within authoritarian regimes.

This book examines the history of The Netherlands in a way that connects global processes to local developments.

Bacteria often experience external challenges, such as changes in environmental conditions or attacks by bacteriophages.

The aim of this research is to understand the linking of crises for the combination of climate change and the COVID-19 pandemic.

Conceptualizing ceasefires as bargaining instruments challenges established ideas about the processes that lead up to conflict settlement, and about war re-emergence, with important implications for our understanding of war and peace.

The Leiden Institute of Advanced Computer Science (LIACS) is a centre of excellence for multidisciplinary research and education in computer science and artificial intelligence (AI).

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

Operators in the Lexicon opens with an old chestnut: why are there no natural single word lexicalizations for negations of the propositional operator and and the predicate calculus operator all: why neither *nand nor *nall?

The Women, Peace and Security (WPS) agenda arising from United Nations Security Council Resolution 1325 has reached a critical juncture in its short 20-year history. Despite comprising ten resolutions designed to bolster the agenda and expand its scope and normative power, serious challenges to the…

This thesis is dedicated to the exploration of the primordial dark ages: unknown physics during the earliest stages of the Universe’s expansion that have not yet been directly probed by observations. Cosmic inflation is a burst of exponential expansion of space after the “Big Bang”.

Machine Learning is becoming a more and more substantial technology for industry.

The Graduate School of Governance and Global Affairs offers PhD programmes that address the pressing societal challenges of our time.

Enabling volume-restricted metabolomics using next-generation microscale analytical tools.

In order to be able to develop effective medicine and treatments to prevent or cure autoimmune diseases or cancer we need to understand the mechanisms how they arise and what drives their course.Unravelling the fundamental molecular mechanisms influencing the onset and course of diseases such as allergies,…

Promotores: Prof.dr. P.C.W. Hogendoorn & Prof.dr. H.P. Spaink, Co-promotor: Dr. B.E. Snaar-Jagalska

The Netherlands X-omics Initiative is a new facility as part of the National Roadmap for Large-Scale Research Infrastructures. It is partly funded by NWO with a total budget of 40 million euro. The project started on September 2018 and will last for ten years.

To what extent are there differences between countries in and outside the European Union and the Schengen area in the level of crimmigration, the merger between migration control and crime control, and to what extent can these differences be explained by the way in which state and non-state actors in…

Leiden Law School established the Empirical Legal Studies Lab to support legal research and education using empirical methods during the Law Sector Plan (2019-2025). This page now functions as an archive.

Are you eager to dive into a cutting-edge approach to innovation? Do you want to explore how frugality and frugal innovation can drive sustainability? And are you up for an international, real-life challenge? If so, this Leiden-Delft-Erasmus (LDE) minor on frugal innovation is for you!