This thesis is largely an experimental study on the formation of solid-state simple and complex organic molecules in the H2O-rich and CO-rich ice phases of dense interstellar clouds and dark cores.

This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…

Do e-waste workers display enhanced effects of adverse health effects due to informal e-waste processing in Nigeria? Is there a difference between the health outcomes of the exposed and the control groups? Are there difference in health effects within and between job groups (collectors, dismantlers,…

The Faculty of Science has multiple study associations, which organise both study-related and social activities for students.

Friso Selten recently started a PhD position that is part of the SAILS program. This PhD project is a collaboration between FGGA, LIACS, and eLaw, and is supervised by Bram Klievink (FGGA), Joost Broekens (LIACS), and Francien Deschene (eLaw). In the project Friso will investigate the influence of artificial…

For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disc surrounding a young star. The discovery reaffirms that the conditions that spawned the Earth and Sun are not unique in the Universe. The results are published…

The overlapping of intergovernmental organizations sharing Member States is one of the key challenges for achieving effective regional integration.

In this article, Tom Buitelaar proposes a systematic framework for analyzing the impact of individual characteristics of peacekeeping leaders on the behaviour of field-level personnel in UN peacekeeping operations.

As part of the events to mark the 100th anniversary of the International Labour Organization, the Department of Labour Law of Leiden University has organized a film evening together with Kijkhuis cinema in Leiden.

Zeger van der Wal, Professor by special appointment Ien Dales Chair at Leiden University, and Mehmet Akif Demircioglu, Assistant Professor ar the Lee Kuan Yen School of Public Policy, researched the effects of ethical culture and ethical leadership on realized innovation.

The Department of Business Studies focuses on research questions at the intersection of law and behaviour in the context of organizations and enterprises. The department brings together specialists in entrepreneurship, organizational psychology, marketing, strategy, economics, and finance.

This year, the International Institute of Air and Space Law (IIASL) attended the first days of the 41st Assembly of the International Civil Aviation Organization (ICAO).

Security is key to survival for any living organism: life is full of perils and threats, both physically, environmentally, and societally. Security challenges such as terrorism, natural disasters, and cybercrime rank among the most pressing issues of our time, affecting the security and safety of millions…

Besides strengthening your personal connections, our alumni network can also provide you with up to date news, activities of interest to alumni and all sorts of academic and professional learning opportunities.

The Leiden Slavery Studies Association (LSSA) is dedicated to promoting a greater understanding of slavery and post-slavery in any period and any geographical region.

The Master’s in European Union Studies at Leiden University offers students an opportunity to study the EU from multiple disciplinary perspectives.

Are you thinking about studying Book and Digital Media Studies? Learn more and watch the introduction video.

Are you thinking about studying Film and Photographic Studies? Learn more and watch the introduction video.

Welcome to the website of Turkish Studies at Leiden University. On this website you will find information on the work and the activities of the people studying the Ottoman Empire and Turkey at Leiden University.

Since 1919 the International Labour Organization (ILO) has been promoting the rights of workers worldwide. On 7 February, Leiden University hosted the symposium celebrating the 100-year anniversary of the foundation of the ILO. Leiden emeritus professor of International Labour Law Paul van der Heijden…

Below you can read about studies we have carried out in the past.

While many European universities, Leiden included, have a proud tradition of research into Islamic studies, a topical and thematic focus on Shiʿi Islam in all its dispensation remains a desideratum.

Dating back more than 400 years, Leiden University has the oldest continuous chair of Arabic outside the Arabic-speaking world. Today the MENA region is studied at Leiden from before the coming of Islam up to today from a wide array of disciplines. And Arabic is studied within the diverse linguistic,…

Leiden University encourages its students to gain an international experience during their studies in Leiden or The Hague.

In the International Studies programme, you will develop the knowledge as well as the critical insights needed to gain regional expertise within a global context. In addition, you will acquire the practical and professional skills that will assist you in making your first steps in your career, whether…

Are you thinking about studying Religious Studies? Learn more and watch the programme presentation.

In specialist organ literature a negative verdict is given on organs and organ specialists from the 1930’s. Did the same verdict apply to Johan van Meurs’ (1903-1986) work? Which role does Van Meurs’ collection of organ specifications play in the historical research on the organ?

We always have several ongoing studies running in our labs. Below you can find information about each one.

The research group Intelligence and Security has been augmented with a team Policing Studies as part of the collaboration agreement with the Dutch National Police. This team is tasked with creating a more academic foundation for the current knowledge surrounding policing studies in the Netherlands,…

In this minor programme, students will become familiar with the nature and scope of violence; the ways in which it impacts public order, and the ways in which society can respond to and, ultimately, prevent violence.