In this project we study the properties of statistical- and rule-learning mechanisms in relation to the acquisition and evolution of language. We ask to what extent these mechanisms are unique to humans - or to human language - by comparing the acquisition of vocal structure in two species: humans (infants)…

β-Lactamases are enzymes that can break down β-lactam substrates, such as antibiotics, preventing the use of these antibiotics for the treatment of various infectious diseases. However, some compounds, β-lactamase inhibitors, can block these enzymes allowing for possible treatments using a combination…

Pharmaceutical companies, governments and the general public have become increasingly aware that animal models used in drug testing lack vital aspects to serve as an accurate representation of human biology. As models of the human body should become more physiologically relevant, animal models no longer…

An archaeological case-study of the Pointe des Châteaux, La Désirade and Les Îles de la Petite Terre micro-region, Guadeloupe, F.W.I.

In the studies described in this study, we introduce a novel ex vivo human skin barrier repair model. To develop this, we removed the upper layer of the skin, the stratum corneum (SC) by a reproducible cyanoacrylate stripping technique.

This paper describes two synthetic lipid models designed to replace human stratum corneum (SC) in studies of the impact of volatile organic chemicals on the molecular organization of the skin barrier lipids.

Structure-affinity relationship (SAR) and structure-kinetics relationship (SKR) studies were combined to investigate a series of biphenyl anthranilic acid agonists for the HCA2 receptor.

This thesis investigated miniaturized mass spectrometry (MS)-based analytical methods to address challenges in analyzing biomass-restricted biological samples.

In this dissertation iron-based homogeneous catalysts were synthesized, characterized and investigated for water oxidation activity.

Organised in four separate sessions throughout the day, and broadcast live online to guests and families who could not join, a total of 260 students received their Bachelor’s Diploma of International Studies on 28 August 2020 at the graduation ceremony in the historic Pieterskerk in Leiden.

On Friday 22 November 2024 Ye Jiang successfully defended a doctoral thesis and graduated.

On Tuesday 3 September 2024 Straton Papagianneas successfully defended a doctoral thesis and graduated.

This study aims to examine how South Korea (hereafter, Korea) and Japan, two neighboring countries in Northeast Asia, have been responding to and mitigating the spread of COVID-19.

The Security Studies bachelor's programme has received a bronze medal in EW Best Studies 2023. Every year, EW Best Studies selects the top programmes in Dutch higher education.

Organised in three separate sessions throughout the day, and broadcast live online to guests and families who could not join, over 200 students received their Bachelor’s Diploma of International Studies on 3 September 2021 at the graduation ceremony in the historic Pieterskerk in Leiden.

On Friday 16 May Juul Eijk successfully defended a doctoral thesis and graduated.

Promotor: Prof.dr. T. Schmidt, Co-Promotor: Dr. ir. S.J.T. van Noort

On 22 June, Anneke Koning defended the thesis 'Return to sender: a multi-method study of guardianship against transnational sexual exploitation of children'. The doctoral research was supervised by Joanne van der Leun, Masja van Meeteren and Johan van Wilsem.

Understanding others’ emotional behavior is essential for navigating daily social life. But how is such an understanding achieved? The eye-tracking study by Yung-Ting Tsou and colleagues shows that children with hearing loss adopt a unique visual strategy that makes uses of explicit visual information…

This research aims to investigate how different social forces interact with hydropolitics in the Eastern Nile Basin and what are the constraints of engagement.

On Tuesday 14 January 2025 Milan Ismangil successfully defended a doctoral thesis and graduated.

Are you keen to immerse yourself in a new culture, broaden your horizons and make friends for life? If so, come to the Study Abroad Festival on Friday afternoon 14 October.

Mapping sanitary infrastructure in large urban societies in the Low Countries, 1200–1900

When Henriëtte Hoffman was ten years old she was enthralled by The Last Emperor, a 1987 film about the twelfth and last emperor of the Manchu dynasty. It was an interest that eventually led to a five-month stay in Chengde in China for her Asian Studies research master’s programme. During her time in…

The collaboration between Leiden University (Medical Center) and the Autonomous University of Barcelona forms one of the most powerful international alliances for the creation and transmission of knowledge in the field of transfusion medicine.

What is students’ engagement in problem-based learning (PBL) and case-based learning (CBL) in teacher certification programs?

On December 6th, 2024, Rector Hester Bijl welcomed participants at the Leiden Jewish Studies Association’s First Annual Conference “Jews at Home: From Creation to Corona” and also presented two Leiden University students with the inaugural Leiden Jewish Studies Association “Best Thesis in Jewish Studies”…

Part of ‘Moralising Misfortune: A Comparative Anthropology of Commercial Insurance’, an ERC Consolidator project of Erik Bähre.

This study discusses the position of the monasteries in pre-1950s Tibetan societies and how that position was informed by Buddhist monastic ideology.

On Wednesday 20 November 2024 Sara Mirahmadi successfully defended a doctoral thesis and graduated.

An overview of our exhibition catalogues and research monographs on the Middle Eastern collections.

Knowledge of Muslim societies is essential to function in a globalised world and to fully understand our own Dutch society. Leiden researchers explore the languages, cultures, religions, legal systems and history of Muslim societies and in this way contribute to a centuries-old tradition.