Promotor: F.J. van Lunteren, E. Jorin

Which educational and child welfare interventions offer optimal opportunities for positive development to children with severe behavioral and emotional disorders.

The Business Studies specialisation is for science students who consider employment opportunities in industry, and who are looking to acquire knowledge of business principles and training in managerial skills. The specialisation can be followed by students doing a two-year Masters degree in one of…

How can the importance of the image in late medieval spirituality be understood in the context of the love mysticism inspired by the imagery of the Song of Songs?

In September 2023, we will be transforming a under-utilised outdoor space into a greener and more biodiverse garden in which all students and staff of the Schouwburgstraat can relax and enjoy.

Many handwritten and illustrated archives contain a wealth of information, but are largely underexplored because they are complex and difficult for computers to decipher. The aim of this project is to develop a digital environment that resolves this challenge and connects heterogeneous archival content…

Enforcement of group cooperation fails because of discriminatory punishment, according to research by Welmer Molenmaker and colleagues. When group members have different backgrounds, punishment turns into a double-edged sword: no longer used just to prevent group exploitation, but also to break the…

Maral Jefroudi defended her thesis on 11 October 2017

A portrait of the complex historical process of over 500 years of European colonialism in the New World.

This research examines the social, political, and cultural forces that structure people’s responses towards accented speech, and further uses the accent as a focal point to theorize the interrelation between language and body.

On 21 September 2022 Arfiansyah successfully defended a doctoral thesis and graduated.

Research on this theme addresses the systemic risks faced by European societies and affecting the quality of life of European citizens.

Very generally speaking, this study aims at questioning and re-defining the mind-body epistemic problem within contemporary dance and art culture.

Why do plants produces always produced so many slightly differing metabolites within a particular chemical class?

In this study, Bibi van den Berg and Sanneke Kuipers from ISGA, explore the ways in which cyber-related incidents may lead to crises

Promotores: Prof.dr. G.A. Persoon & Prof. dr. H.H. de Iongh

The structure of bacterial cells provides crucial clues about their interaction with their host. What are the key structural features of a bacterial cell that determine pathogenicity? What roles do these structures play in the life cycle, and how do they change during the infection process?

How does invasive hybridization affect threatened native species?

In this article, Honorata Mazepus, assistant professor at the Institute of Security and Global Affairs, and Dimiter Toshkov, associate professor at the Institute of Public Administration, discuss whether the winner–loser gap extends beyond the political domain to subjective health and well-being as…

Synthetic cells, also known as artificial cells or protocells, have wide ranging applications from drug delivery vectors to cell models. In biotechnology they can function as micro- or nanoreactors with possible applications in biocatalysis and photocatalysis. Phospholipids are by far the most commonly…

How to stimulate novel research in science and innovation

What are the determinants of the willingness to administer rewards for cooperation and punishments for non-cooperation, and how do they influence people’s sanctioning behavior?

Since the early 1990s, one can isolate the optical signal of a single molecule and single-molecule spectroscopy has quickly grown into an important research field.

Source: Biosens Bioelectron, Volume 74, pp. 233-42 (2015)

Double Bind. Public service professionals coping with contrasting demands. How do public service professionals align their PSM with contrasting demands set by the organizational and social contexts in which they work?

Cryogenic electron microscopy (cryo-EM) is a powerful technique used to visualize the inside of cells and to study specific protein complexes. Within this thesis, I describe the use of various cryo-EM techniques to gain insight into the structural changes of the human pathogen, Vibrio cholerae, as it…

In the spirit of 'unity in diversity', our objective is to promote insight into and appreciation for the wonder that the same physical laws and mathematical concepts apply to the whole of nature, from the largest to the smallest energy and length scales. We strive for the application of abstract theoretical…

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

Phosphorylation affects all four major biomolecules – proteins, lipids, carbohydrates and nucleic acids – and plays a pivotal role in the most fundamental cellular functions.

The modern-day Caribbean is a stunningly diverse but also intricately interconnected geo-cultural region, resulting partly from the islands’ shared colonial histories and an increasingly globalizing economy.

Leiden University College The Hague is an institute of Leiden University, located in the City of The Hague. This small and highly international community brings together passionate and motivated staff and students, who want to study and tackle the global challenges that face humanity. The intensive…

This volume offers an innovative analysis of Roman political culture in Italy from the first to the sixth century AD on the basis of seven case studies.

This edited volume evaluates the concept of global order, with a particular emphasis on the role of regional organisations within global governance institutions such as the United Nations. Several researchers at the Institute of Security and Global Affairs (ISGA) have contributed to this volume in the…

The master’s specialisation Biodiversity and Sustainability at Leiden University provides students with a much better understanding of the biological processes which are essential for creating a sustainable society.

The IEG specialisation prepares you with knowledge and understanding of the key concepts and theories of management, decision-making processes and implementation in EU and international institutions.

Linguistic Choices in the Contemporary City focuses on how individuals navigate conversation in highly diversified contexts and provides a broad overview of state of the art research in urban sociolinguistics across the globe.

Playing a musical instrument is generally considered to be a complex human behaviour involving the integration and coordination of a broad range of human functions such as perception, imagination, memory, information processing, emotion, communication, and dexterity.

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

In the Schouwburgstraat, LUGO is currently redesigning the back-garden in order to increase biodiversity and make it a more beautiful space. Throughout October 2023 until March 2024, we will be making changes to the garden with our team of volunteers.

Caribbean archaeological heritage is threatened by natural impacts but also increasingly by economic developments, often resulting from the tourist industry. The continuous construction of specific projects for tourists, accompanied by illegal practices such as looting and sand mining, have major impacts…

This book provides a comparative analysis of the process of breach across ten different European jurisdictions by identifying and elaborating a number of key analytical themes through which the different systems can be compared and evaluated.

‘The Survival of Pliny in Padua. The Botanical Renaissance and the Transformation of Classical Scholarship’ in: Transformations of the Classics via Early Modern Commentaries, ed. by K.A.E. Enenkel. Intersections 29 (Leiden/Boston: Brill, forthcoming autumn 2013), pp. 327-62.

How might viola and string quartet playing in the performer-centered, moment-to-moment and communicative style heard on early recordings be brought about today?

Drug-related homicide (DRH) has the potential to act as a valuable indicator of wider drug-related crime. Yet DRH remains a knowledge gap within this broader field of study.

On 7 February 2019, Helena Ursic-Vrabec defended her thesis 'Uncontrollable: Data subject rights and the data- driven economy'. The doctoral research was supervised by Prof. dr. S. van der Hof.

If X is a locally compact Hausdorff space, then a representation of the complex C* algebra C_0(X) on a Hilbert space $H$ is given by a spectral measure that takes its values in the orthogonal projections on $H$.

In the past years access to EU law has been significantly enhanced via services such as EUR-Lex. This development not only allows for easy retrieval of individual legal acts, but for collecting information about the evolution of EU law in the aggregate as well.

Read all papers and other types of publication created by the project.