Drawing on insights from past and contemporary scholars and world leaders, the report explores the concepts of a new social contract, a new global deal, and networked and inclusive multilateralism introduced recently by Secretary-General António Guterres to help the United Nations better grapple with…

Green hydrogen is produced via a process called water electrolysis. During electrolysis water is split into oxygen and hydrogen.

In this Thesis, novel charge induction mechanisms of ionic liquids are treated, tested and experimented on complex oxides, in particular cuprates.

Although rarely considered by the pharmaceutical industry or clinicians, 24-hour rhythms in physiology are a factor of potential influence on the pharmacokinetics and pharmacodynamics of drugs.

Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!

In the Criminal Justice research programme, (criminal) law researchers and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that could be, should be and are taken in by actors in the criminal justice…

A management strategy has been developed for field margins to reduce pesticide drift to non-target areas and to promote biodiversity on arable land. To this end, 3 and 6 m wide strips along the edges of winter wheat, sugar beet and potato crops have been left unsprayed with herbicides and insecticides…

The organisations and people who implement government policy face many different types of change. Academics from Leiden University research how they deal with these and advise them on how best to meet the needs and wishes of society.

This thesis explores interfacial conductance and electric field-effects in LaAlO3/SrTiO3 heterostructures.

Child homicide is a phenomenon that not infrequently leads to shock and societal unrest. However, the precise nature and scope of child homicide in the Netherlands remains unknown.

What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?

Can excessive worrying be reduced via stimulation of the vagus nerve?

Promotores: W.J.G.M. Peijnenburg, G.R. de Snoo, Co-promotor: M.G. Vijver

This research project from Leiden University looks at the opportunities and threats that flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world.

Promotor: R. Tijdeman

Artful Mathematics: The Heritage of M. C. Escher

This project seeks to integrate scientific research and practical knowledge in the study of the mechanisms that make dialogue an effective tool for communication, teaching, and thinking.

We have studied the impact of particle shape anisotropy, multivalent interactions and flexibility on systems of micron-sized colloidal particles.

This ecological community has long been known to affect host biology, and their diverse roles have been further clarified in recent years following numerous studies of animal:microbiota interactions in diverse systems.

Andrea Evers is the new Professor of the brand-new unit of Health, Medical and Neuropsychology. She's getting off to a flying start in Leiden with a consolidator grant of the European Research Council (ERC). Her ambition? 'To work together with other disciplines; that way we can arrive at new insigh…

The research conducted at the Health, Medical and Neuropsychology unit investigates the psychological factors of health and disease, which allows for the development of innovative treatments.

Kohei Suzuki, Assistant Professor at Institute of Public Administration, and two other authors researched the topic of innovation by governments in response to expected population decline.

On 16 June 2020, Andrea Varga defended her thesis 'Establishing State Responsibility in the Absence of Effective Government'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. F. Baetens (University of Oslo).

What is the effectiveness of two school-based skills-training programs in promoting mental health?

Up to 50% of individuals with Parkinson's disease develop cognitive impairment over time; this study explores the use of 'practice effects' on neuropsychological tests as an early predictor of cognitive decline.

The STAP study examines the cost-effectiveness of Written Exposure Therapy (WET) for post-traumatic stress disorder (PTSD) symptoms in primary care settings.

How can photorealistic 3D scenes help predict whether interventions in urban public spaces will foster citizens' sense of security?

This study is the first to directly relate brain development to sex differences and school performance. The results debunk the myth that brain development is slower in boys.

The role of the interfacial environment during electrochemical reactions has been increasingly valued, especially for those reactions involving protons or hydroxyl ions.

Engineered nanomaterials (ENMs) are widely used, and nanotechnological innovations grow with rapid pace. Studies on nanotoxicology have demonstrated that chemical toxicology as well as particle toxicology should be accounted for in predicting the safety of ENMs.

To conclude, this thesis provides valuable methodological insights to address data gaps and improve environmental impact assessments within the circular economy, with a particular focus on product reuse and sharing practices. Through empirical analysis and innovative approaches, it aims to support informed…

Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield

In this research project characteristics of effective instructional development were identified that are appealing to medical teachers and relevant for medical education.

This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.

In this article, Martin Sievert and Jonas Bruder investigated whether and how administrative burdens influences citizens' perceptions of welfare policies and attitudes towards beneficiaries.

Homicide followed by the suicide of the perpetrator often leads to shock and incomprehension. It has been suggested that media reporting on such cases could lead to an imitation effect.

Since itch and pain can be very burdensome, especially when individuals suffer from (either of) these symptoms chronically, it is important to know the factors by which these sensations are influenced. It becomes more and more clear that psychological factors play an important role in the experience…

Anthropogenic noise has been shown to affect marine animals in various ways, this may have fitness consequences at individual and population level. This thesis aims to increase insight into the quantification of sound-induced behavioural responses that are relevant to fitness, and into factors that…

Jaroslaw Kantorowicz and Rok Spruk examine the contribution of institutional reforms to economic growth.

Promotor: Carel J. ten Cate, Co-Promotor: Hans W. Slabbekoorn

This article provides a list of the concepts and key elements that should be considered when creating effective communication messages.

Valérie Pattyn, Assistant Professor at Leiden University, researched

On 24 November 2015, Prof. Carsten Stahn participated as external expert in a special plenary session of the Assembly of States Parties on the efficiency and effectiveness of Court proceedings, chaired by the co-chairs of the Study Group on Governance of the Assembly.

What exactly do psychedelics do in our brains? To investigate this, NWO has awarded a Vidi grant to Michiel van Elk. The Leiden cognitive psychologist talks about his proposal for serious research into a widespread social phenomenon. 'People describe experiences under the influence of psychedelics that…

What are the biological effects of Chinese herbal medicine in regulation of cancer cell metastasis?

Source: Mediators Inflamm (2014)

This article examines how immigration from Central and Eastern Europe influences political support for Eurosceptic parties.