Promotor: G.R. de Snoo

This study looks at population response to government containment strategies during initial stages of the COVID-19 pandemic in four high-trust Northern European countries–Denmark, Germany, the Netherlands, and Sweden–with special emphasis on expressions of governmental trust.

This subproject examines how memories of flight and persecution shaped new social and religious identities in the Netherlands.

The main goal of the research described in this thesis was the development of new photoactivated chemotherapy (PACT) ruthenium(II) complexes bearing a non-toxic photolabile ligand.

Ms. Monica Klasing Chen defended her thesis on 16 December 2020

The current resurgence of whooping cough is alarming, and improved pertussis vaccines are thought to offer a solution. Outer membrane vesicle vaccines (omvPV) are potential vaccine candidates, but omvPV-induced humoral responses have not yet been characterized in detail.

Tero Alstola defended his thesis on 21 December 2017

This dissertation presents the synthesis and evaluation of antibody recognition for various capsular polysaccharide (CP) fragments of Staphylococcus aureus (S. aureus).

The haplolepideous mosses (Dicranidae) comprise about 4000 species distributed over a wide range of habitats, with great gametophytic and sporophytic morphological variation. Their monophyly is well supported by the results of several molecular phylogenetic studies, which shed light on their relationships…

The aim of this thesis was to develop aluminium salt-based nanoparticles that may ultimately be used as adjuvant in human vaccines.

A multi-disciplinary approach to past lifestyles and cultural practices

This book surveys a distinct human phenomenon in the history of the ancient Near East: individuals who were born males but, under various social and historical circumstances, their masculine identity was considered ambiguous. They bore specific titles and were engaged in cult or palace administration.…

This subproject examines the development of memory cultures, the meaning of memories of the Dutch Revolt, the multimedia aspect of the creation of a local memory culture, which artefacts were used to keep memories alive and the differences between local memory cultures in the Repubilc and the Southern…

Long Island, an islet of Antigua in the northern Lesser Antilles forms the major source for flint in the Lesser Antilles. A survey by Hofman, Hoogland and van Gijn in 1989 has indicated the presence of various raw material sources. Test-excavations at the major flintknapping site of Flinty Bay show…

One of the ways of understanding another culture better is to examine what people experience when they read a text, or look at an image. Leiden experts have a lot of knowledge in this field, for example on culture in ancient Japan.

Essays dedicated to Frans Wiggermann

Here we share findings into the effectiveness of the Designing Your Life education at Leiden University. Our study indicates that DYL education has a positive effect on students’ confidence and competencies.

‘It became very clear that Brazilian legislative policy was frail, obsolete and unreliable,’ says Felipe de Paula. He defended his dissertation on the limits and possibilities of legislative policy in Brazil on Tuesday 27 March 2018.

Growth hormone profiles are pulsatile and highly variable between individuals, limiting the implementation of mathemathical models to quantify an individual's secretion.

The National-Socialist Movement in the Netherlands - the NSB - remained the only legal party in the Netherlands during most of the Second World War.

Sprayable plant-based adhesives for crop protection against thrips Some plants, such as sundew and tomato, protect themselves with sticky hairs that repel or even trap arthropod herbivores.

Ruling Overseas: Connected Practices of Governance of Law

This project, executed by Marieke Hendriksen MA MRes, aims at an analysis of how the early modern anatomical collections of Leiden University were rooted in ideals of perfection in different fields of knowledge and expertise.

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

Vinasse is a major by-product generated by the sugarcane biofuel industry. It is a source of microbes, nutrients and organic matter and often it is recycled as fertilizer.

Large carnivores and humans, along with their livestock, have co-existed for thousands of years. However, human population growth and an increase in economic activities are modifying the landscape for large carnivores and their prey.

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.

Promotores: H.A. Udo De Haes, P.M. Brakefield

Metal complexes and 2D materials like graphene were combined to produce structures that can function as sensors.

Promotores: F.H. van Lunteren, F.P. Israel

Transcutaneous vagus nerve stimulation (tVNS) was tested in chronic worriers. tVNS may reduce spontaneously occurring negative thought intrusions. After a worry induction, there was no longer an effect of tVNS. tVNS did not affect physiological responding to worrying.

Prematurely born neonates require, amongst others, pharmaceutical therapy. Dosing guidelines for these therapies are often based on data from term born neonates or older infants, while these are not necessarily similar to prematurely born neonates.

This thesis applies data mining in commercial settings in the telecommunications industry.

PURPOSE: The aim of the study was to develop a cheap and fast method to produce hollow microneedles and an applicator for injecting vaccines into the skin at a pre-defined depth and test the applicability of the system for dermal polio vaccination.

Natural vanilla flavor is one of the most important in the world. However, the cost of this flavor is expensive. Production of this flavor by alternative methods, could reduce the cost.

Promotor: E. Gittenberger, Co-promotor: B.W. Hoeksema

This dissertation reports on the beliefs and perceptions of Chinese and Dutch university teachers regarding the role of research in university teaching and how these beliefs and perceptions can be explained by their cultural, institutional and individual background characteristics

Subproject of

Promotor: J. A. Bouwstra

The place of women in Leiden University was not steadily established for a very long time. Their roles spanned beyond the realms of academics and students. Seeking equality with men, they fought to obtain the right to work, to study and teach at university, to attain high-level jobs and to vote.

This study offers a new view on public services in the early modern Low Countries and answers the following questions: who provided public facilities in urban communities and in which ways did public amenities change in the period between 1500 and 1800?

Painstaking research in Dutch and Portuguese archive materials, so far poorly assessed on the topic of social relations, reveals intense and intricate associations between different European individuals both in terms of ethnicity and social strata.

Reading emotions from others’ faces strengthens social relationships. But how is that for children with hearing loss? Can they learn to read faces just as easily as hearing children? The study by Yung-Ting Tsou and colleagues shows that daily

Barrier function is the natural role of the skin. The lipid matrix present in the outermost layer of the skin, the stratum corneum is important for this function.

Wim Klooster and Gert Oostindie present a fresh look at the Dutch Atlantic in the period following the imperial moment of the seventeenth century. This epoch (1680–1815), the authors argue, marked a distinct and significant era in which Dutch military power declined and Dutch colonies began to chart…

Dr Kim Duistermaat (NVIC) en Niels Groot (TU Delft)

To what extent is the image of the Taino settlements on Hispaniola representative for the whole island, or is it only related to a few large settlements of known caciques?

Considering the fact that for a long time women were not allowed to participate either in university life nor in academia, women found different ways they could be included.