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PURPOSE: To determine the effect of elasticity on the skin permeation of ketoprofen from surfactant-based vesicular formulations and elastic liposomes.

Religion in the ancient world, and ancient Egyptian religion in particular, is often perceived as static, hierarchically organised, and centred on priests, tombs, and temples. Engagement with archaeological and textual evidence dispels these beguiling if superficial narratives, however. Individuals…

This book explores intercultural management challenges in sub-Saharan Africa through a case study of Vasco Silva, a Portuguese businessman in Luanda, Angola.

Volume II of The Cambridge History of Strategy focuses on the practice of strategy from 1800 to the present day.

On the 4th of June, Menghui Shi successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Menghui Shi on this achievement!

Because of their large surface area and immunological competence, mucosal tissues are attractive administration and target sites for vaccination.

This timely and engaging book examines the rise of populism across the globe. Combining insights from linguistics, argumentation theory, rhetoric, legal theory and political theory it offers a fully integrated characterization of the form and content of populist discourse.

The representation of death children in Dutch literature through time

On 11 November 2021, Evelien Campfens defended the thesis 'Cross-border Claims to Cultural Objects'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. W.J. Veraart (VU Amsterdam).

In meta-analysis, heterogeneity often exists between studies. In such cases, it is essential to investigate the sources of heterogeneity and understand the relationship between effect size and study characteristics (i.e., moderators).

This week, Prof. Luuk van Middelaar (Europa Institute) publishes Alarums & Excursions: improvising Politics on the Europen Stage – a revised update of his 2017 book on the decade of EU crises.

Food waste is a defining inefficiency of the modern food system, with profound implications for resource use, climate change, and circular economy transitions. This dissertation examines food waste through two complementary lenses: the prevention of avoidable food waste and the valorization of unavoidable…

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.

As an alumnus of Leiden University, you receive a 33% discount on membership of the University Sports Centre (USC). The sports centre has facilities in both Leiden and The Hague and offers a wide range of sports including tennis, fitness, yoga and kickboxing.

Politicians' statements often involve emotions, shaping public perceptions. This study highlights the role of emotions in EU foreign policy.

This book connects labour history, global history and the institutional or political history of international organisations.

Abrupt Climate Change and Cultural Transformation

Alongside Leiden, Leiden University has a second hometown: The Hague.

Surface plasmons (SPs) are surface waves at the interface between a dielectric and a good metal, and are formed by the interaction between light and the free electrons at the metal-dielectric interface. They provide strong field confinement for optical fields, opening new possibilities for enhanced…

The LOFAR radio telescope produces petabytes of data every year. Radio Astronomers use complex multi-step pipelines to process this data and produce scientific images.

Dendritic cells (DC) play a prominent role in the priming of CD8(+) T cells. Vaccination is a promising treatment to boost tumor-specific CD8(+) T cells which is crucially dependent on adequate delivery of the vaccine to DC.

How can mentors and social workers foster the vocational identity of at-risk youth and improve their prospects?

A major goal of ABS research is to overcome one of the major bottle-necks in metabolomic research: the lack of a high-throughput infrastructure in which thousands of samples can be processed in a standardized and cost-effective way (max. a few tens of Euro’s per sample for a full metabolome profile).…

This thesis is comprised of three chapters covering the theme of studying semistable varieties by looking at their dual combinatorial objects.

This handbook provides a resource for those already familiar with some kinds of micro-particles who wish to learn more about others, or for those just starting out in the study of microremains who wish to have a broad understanding about microscopic archaeology.

This thesis presents a detailed description of the phonology, the tone system and the grammar of Liko, a Bantu language spoken by about 70,000 people in the northeastern part of the Democratic Republic of the Congo. It provides numerous examples.

This study delivers a comprehensive picture of the causes of radicalization in the Eastern and Southeastern regions of Turkey. It demonstrates how regionally specific factors enable ideologically disparate terrorist groups to recruit and radicalize from the same population.

Usage Guides and Usage Problems in British and American English, 1st Edition

With the advent of multicore processors and data centers, computer hardware has become increasingly parallel, allowing one to run multiple pieces of software at the same time on different machines. Coordination of these pieces is best expressed in a coordination language as an explicit interaction protocol…

The group Clinical Neurodevelopmental Sciences has expertise in individual differences in child development, in particular the development of psychopathology, ranging from mild to severe neurodevelopmental disorders.

The level of congruence between parties and their voters can vary greatly from one policy issue to another, which raises questions regarding the effectiveness of political representation. We seek to explain variation in party–voter congruence across issues and parties.

Honorata Mazepus and Jaroslaw Kantorowicz are assistant professors at the Institute of Security and Global Affairs. Mazepus and Kantorowicz are one of the authors of this article in Nature on the role of national identity on public health support during global pandemics.

Sustainable energy from wind and solar is most readily available near the sea.

To goal of this project is to get a deeper, more comprehensive and up to date understanding of the state of University-Business Cooperations (UBC) in Europe, from the perspective of both the Higher Education Institutions and the business sector.

Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa

In this on-line dissertation, jazz saxophonist Dick de Graaf investigates a variety of compositional and improvisational models and techniques in contemporary jazz and Western art music, and discusses possible applications of these materials in current jazz practices.

All life on earth contains DNA, which is used to store biological information. Organisms compact their DNA in order for it to fit inside their cell(s).

This article illustrates how the term 'dual use' has become associated with a broader dichotomy between ‘legitimate’ and ‘illegitimate’ purposes.

On 1 June 2022, Bruno Braak defended his thesis entitled 'Overcoming ruptures: Zande identity, governance, and tradition during cycles of war and displacement in South Sudan and Uganda (2014-2019).' The doctoral research was supervised by Prof.dr. J.M. Otto, Dr.ir. C.I.M. Jacobs, and Dr. C. Leonardi…

On 2 May, Sophie Starrenburg defended the thesis 'Striking a balance between local and global interests: communities and cultural heritage protection in public international law'. The doctoral research was supervised by Nico Schrijver and Yvonne Donders.

Optimization tasks in practice have multifaceted challenges as they are often black box, subject to multiple equality and inequality constraints and expensive to evaluate.

The filamentous bacteria Streptomyces are widespread inhabitants of terrestrial soils.

The heritage of Indigenous Peoples has long been researched and commented upon from the outside. This book adopts an innovative approach by engaging with the heritage of Indigenous Peoples from the ‘inside’.

Increasing the efficiency of gene targeting (GT) as a genome editing tool in plants has been an important goal in plant biotechnology.

Promotor: Prof.dr. S.F. Portegies Zwart, Co-promotor: D.C. Heggie

This collection of seventeen essays takes its inspiration from the scholarly achievements of the Dutch historian Jan Lucassen. They reflect a central theme in his research: the history of labor.

Matthew Hoye argues for a regulatory analytical perspective to look at the sanctioning of Afghanistan.

Promotor: S.M. Verduyn Lunel, Co-promotoren: M.F.E. de Jeu, S.D. Silvestrov

Both within the university and also with outside partners, Leiden University participates in sustainability programmes. These initiatives hopefully contribute to a growing and more robust sustainability movement, locally and world wide.