The effects of many treatments are determined, to a significant degree, by factors other than the medicine or treatment itself. For example, placebo effects can be equal to the effect size of for example antidepressants or painkillers. Contributing factors are the trust placed in the doctor, the expectation…

We find ourselves in an era of transition, not just towards a more computing- and data-driven society but also away from unsustainable fossil fuels as an energy source.

On 1 October 2019, Emile Cammeraat defended his thesis 'Economic Effects of Social Protection'. The doctoral research was supervised by Prof. K.P. Goudswaard and Prof. P.W.C. Koning.

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There are many complex links in the chain that provides patients with new drugs: from fundamental science, to clinical tests, to production. The entire chain can be found in Leiden. Leiden University, the Leiden University Medical Center (LUMC) and the businesses at the Leiden Bio Science Park (LBSP)…

In eight chapters, the thesis of Rafaël Vos covers the effect of temperature and pressure on the electrochemical CO2 reduction.

How do different emotional expressions influence the behavior of other people in negotiations?

The Zmapp medicine has been developed with funding from the US government within the framework of the Small Business Innovation Research programme. The European Commission tried to emulate the success of this programme within the EU. Has its effort been adequate and sufficient? Is procurement of research…

In this thesis, the role of plant-mediated soil legacy effects in shaping aboveground plant-insect interactions was investigated.

Ice, the solid state of water, plays an important role on our planet as well as the entire universe.Despite the fact that an individual water molecule has a very simple structure, its chemical bonding in the solid phase can be surprisingly complex.

Simona Demková, Assistant professor at the Europa Institute of Leiden University, publishes her book ‘Automated Decision-Making and Effective Remedies: The New Dynamics in the Protection of EU Fundamental Rights in the Area of Freedom, Security and Justice’.

What is effective viewing behavior for foreign language learners and how can teachers effectively train language learners to apply effective viewing strategies that will maximize their learning when viewing subtitled materials?

Promotor: Prof. dr. Arnold Tukker & Prof. dr. René Kemp (Maastricht University)

The discovery of new medicines is a tedious and lengthy process. On average, over 10,000 molecules need to be studied for one to become a drug and reach the patient. Part of that process are the very costly clinical trials in humans, and candidate drugs often fail due to side effects or lack of efficacy.…

The Role and Effectiveness of the G20. In this article, published in The Changing Global Order part of the United Nations University Series on Regionalism book series, author Jaroslaw Kantorowicz discusses the evolution of the G20.

What role play stress and fear in forming of nocebo hyperalgesia?

The thesis describes terrestrial field trials aimed to detect side-effects of pesticides within the framework of pesticide registration procedures. Field trials were developed using vascular plants Brassica napus and Poa annua, caterpillars Pieris brassicae and effects on decomposition were studied…

Promotor: Prof.dr. A. Achucarro, Co-Promotor: J.W. van Holten

Promotor: P.M. Brakefield

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

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…

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

Our modern society thrives on chemicals, and demand is only growing with novel chemicals being introduced onto the market. However, with increasing demand, so come potentially increasing ecological consequences of these man-made chemicals.

We aim to create an innovative e-learning and virtual reality training that helps healthcare providers to optimize placebo effects and minimizes nocebo effects via their communication.

We study how communication can heal and harm when patients are confronted with an illness. Most of our studies focus on serious illnesses such as advanced cancer. Communication lies at the heart of medicine, yet we do not always know which specific communication helps patients. Moreover, many complaints…

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.

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.

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

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.

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

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: F.J. van Lunteren, E. Jorin

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.

Artful Mathematics: The Heritage of M. C. Escher

Promotor: R. Tijdeman

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.

A lecture series at Leiden University about fundamental and applied surface science. This collaboration between physics and chemistry is held in memory of the famous Dutch physical chemist Martin van Marum.

The Van Loon project sets out to safeguard the archives of Dutch archaeologist Maurits van Loon (Amsterdam, September 22, 1923 - Montpellier, October 12, 2006) and make them accessible for further study.

Lecturer at Leiden University, Mathematical Institute and Institute of Biology, Leiden - the Netherlands

The Van Bergen Fund provides financial support to study associations of Leiden University for initiatives that promote contact between Dutch and international students. A good plan will receive a subsidy from the Van Bergen Fund.

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).

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.

Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, The Hague

Van Steenis, Einsteinweg 2, 2333 CC, Leiden