Young children, adolescents and students may experience learning difficulties as a result of lack of sleep. Dr Kristiaan van der Heijden investigates sleep problems and solutions for various age groups.

We also conduct research to make meaningful contributions to society. For instance, by talking about our research, contributing to community projects or by inviting people to help us with our research. Scroll down and discover how Science and Society can mutually reinforce each other.

Migration is nothing new. A lot of people immigrated to the United States after it was ‘rediscovered’. The Netherlands also colonised a part of the New World and gave it the name New Netherland. Pepijn Doornenbal, a master’s student History, conducts research in the United States about how different…

EUFEPS Women in Pharmaceutical Sciences Award for Jara Bouma

Alireza Mashaghi, a principal investigator at the Division of Systems Biomedicine and Pharmacology has been appointed Adjunct Professor at the Ocular Genomics Institute of Fudan University, a leading university in China. This appointment will boost the ongoing cooperation between LACDR and Fudan University…

Dong Guo was awarded two poster prizes for his poster ‘Molecular Mechanism of Allosteric modulation at G protein-coupled Receptors: Insight from a Binding Kinetics Study at the Human A1 Adenosine Receptor’ at the FIGON Dutch Medicines Days, October 6th-8th this year.

Four of Leiden's top researchers have been awarded substantial grants by the European Research Council.

In the Faculty of Archaeology depots, many artefacts, accumulated after decades of fieldwork across the world are stored. The Leiden Inventory of the Depot (LID) project aims to unlock the door to this wealth of information. Elizabeth Hicks, a Research Master’s student at the Faculty, will be re-evaluating…

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…

By analysing the metabolism using big data techniques, we can identify health risks at an earlier stage. Thomas Hankemeier, professor of Analytical Biosciences at the Leiden Academic Centre for Drug Research, explains how that works.

Robert Ietswaart does research into gene regulation at the famous Harvard Medical School in Boston. He developed an algorithm to better predict whether a candidate medicine is going to produce side effects. He studied mathematics and physics in Leiden, and gained his PhD in computational biology in…

NWO has awarded eleven Leiden researchers a Vidi grant of 800,000 euros. The research subjects range from Cicero and muscle dystrophy to the archaeology of bogs.

An impressive 12 researchers from Leiden University have been awarded an 800,000-euro grant by the Dutch Research Council (NWO). This will enable them to develop their own line of research over the next five years.

Pharmaceutical research should make more use of data science, says Gerard van Westen, postdoctoral fellow at the Leiden Academic Centre for Drug Research (LACDR). ‘If we want to have better drugs, we should start with data.’

Eleven Leiden researchers have been awarded an 800,000 euro Vidi grant by the Dutch Research Council (NWO). This will enable them to develop their own innovative line of research and start their own research group.

A flood of news reports, push notifications and even extra news broadcasts: on Wednesday, the world was shocked by the storming of the Capitol in Washington. Americanist Sara Polak discusses the events.

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

Corinna Jentzsch and Wouter Veenendaal, two political scientists affiliated with Leiden University’s Institute of Political Science, have been awarded a NWO ‘Veni’-grant. This grant brings them official recognition as ‘young outstanding researchers’, as well as financial support for conducting independent…

The cellular recycling system in zebrafish is capable of eating harmful bacteria and thus resist infections such as tuberculosis and salmonellosis. That is written by Leiden biologists from the group of Annemarie Meijer. Stimulating this form of defence could be used in new treatment methods against…

Smooth platinum electrodes roughen and wear when subjected to repeated cycles of oxidation and reduction, which causes nanometer-scale mounds to grow. Leiden chemists Leon Jacobse and Marc Koper, together with physicist Marcel Rost, discovered the exact details, using a unique tunneling microscope.

Marlien van Mever delved into the analysis of tiny samples, cerebrospinal fluid from transgenic mouse models for example. She validated methods that can now be used to study brain diseases such as migraine and epilepsy. Van Mever will receive her PhD on 14 June.

Agressief gedrag van gedetineerden is sterk te verlagen met een aantal aanpassingen in het dagelijkse regime in penitentiaire inrichtingen. Dit blijkt uit de evaluatie van een experiment met een alternatief detentieregime, uitgevoerd door Tilburg University en de Universiteit Leiden.

Leiden chemists recreated the bacterial capsule of meningococcus in the lab. With a few modifications, these capsules can serve as an extra safe and effective vaccine against these notorious bacteria, which can cause, for example, meningitis. PhD candidate Jacopo Enotarpi and his team published the…

Bringing together chemists and physicists to thoroughly investigate how electrochemical processes work on the smallest scale. That is the goal of the new Advanced Nano-electrochemistry Institute of the Netherlands, or ANION for short. The consortium receives a Gravitation funding of 23.6 million euros…

Assistant professor Joost Willemse firmly believes that as a teacher, you’re never done learning. ‘Students ask questions about things you’ve never thought of yourself. Ultimately, that makes you better at your job.’ That’s why he always encourages his students to ask questions. And it’s appreciated:…

An international team of researchers, involving members from the ERC Synergy project NEXUS 1492 based at the Leiden University, the Universities of Oklahoma, Copenhagen and York reveal challenges when studying ancient microbiomes in a recent issue of Scientific Reports.

One of them turned out to be two thousand years old. And older giant barrel sponges appear to have a faster rate of cell division, unlike us. They produce antibiotics and much, much more. Lina Bayona Maldonado studied how the differences in such factors as age or oceanic depth affect the production…

All acute care staff at Leiden University Medical Center have received their first and sometimes even their second dose of the coronavirus vaccine. But how long will you be protected after vaccination and what does the genetic material of the virus do in the vaccine? Our virologists Ann Vossen and Leo…

Plants that grow in patterns of stripes on the edge of deserts, plankton that live on the sea bed or oscillate in the water, and melanomas that spread throughout the body. Mathematician Lotte Sewalt discovered the common elements in these three systems. PhD defence 8 September.

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

Lecture, Faculty Lecture

On 1 August, Lars Jeuken started work as Professor of Biophysical Chemistry at the Leiden Institute of Chemistry (LIC). His research is at the intersection of biology and chemistry, but also involves physics and nanotechnology. Jeuken: ‘By linking nanoparticles to proteins and bacteria, we want to convert…

The quality of vaccines is still often tested by using laboratory animals. That has to change, according to researchers from Leiden University and the vaccinological institute Intravacc. Together they went searching for a test method that makes animal testing unnecessary. The first promising results…

Pharmacologist Walter Boiten developed a new method to determine the amount of lipids in a person's skin. With this method he tested the effects of a new cream he developed for eczema patients. The first results are promising. Boiten defends his dissertation on 15 January.

Cardiovascular diseases are the leading cause of death across the world. Professor Johan Kuiper of Leiden University carries out research to develop a vaccine for arteriosclerosis, which is the main cause of cardiovascular diseases. With the aid of a European research grant of six million euros he is…

Graphene floating on water does not repel water, as many researchers believe, but rather attracts it. This has been demonstrated by chemists Liubov Belyaeva and Pauline van Deursen and their supervisor Grégory F. Schneider. Publication in Advanced Materials.

Physicists, including Leiden researcher, Sanli Faes, have devised a new technique for studying processes at microscale rapidly and extremely precisely. This new method will make it easier to develop antiviral medication. And it doesn’t stop there. Publication in ACS Nano.

The Science faculties of Universitas Indonesia (UI) and the Universiteit Leiden signed agreements on Tuesday April 12 that will strengthen cooperation between the Faculties. The agreements were signed at the closing of a two day visit of a delegation from Indonesia. The delegation, which was led by…

Martina G. Vijver has been appointed professor of Ecotoxicology at the Institute of Environmental Sciences of Leiden University with effect from 1 December 2017.

Professor of Pharmacochemistry Ad IJzerman has won the Nauta Award for his years of research into signal processing proteins that are interesting for the development of new medications: G protein coupled receptors. The prize is awarded every two years for services to pharmacochemistry and chemical b…

Microscopic swimmers such as bacteria do not always swim alone. There are advantages to exchanging information and cooperating. Stefania Ketzetzi and colleagues now show in Nature Communications that human-made microswimmers, too, can cooperate.

A delegation from Leiden University will be visiting Mexico from 21 to 25 October. The visit aims to strengthen the ties between Mexican universities and Leiden University.

Sebastian Pomplun manages to reach proteins with drugs even where this was thought impossible. That is why he and his research group have been allowed to join Oncode Institute. With nine others, he had been selected from 72 applicants to contribute to Oncode Institute's mission: to accelerate breakthroughs…

Of the 87 Vidi research subsidies awarded by NWO, five have been awarded to Leiden researchers. This represents almost 6 per cent of the successful applications.

If it’s up to PhD student Guangsheng Du, patients don’t need to worry about big needles anymore. At the Leiden Academic Center for Drug Research (LACDR), he studied the use of microneedles and nanoparticles as a new vaccination system. ‘I want to create a more patient-friendly delivery method.’ He defends…

Testing chemical substances without using animals. It seems a utopia, but a European team is going to develop a way to make this a reality. The RISK-HUNT3R project, led by Leiden professor Bob van de Water, received 23 million euros from the European Commission for this purpose. The project was launched…

It is one of the energy carriers of the future: hydrogen. But how can hydrogen be produced in a sustainable way? With over 50 million euros in funding from the Netherlands Organisation for Scientific Research(NWO) and industry, a research project involving 58 partners from both the Netherlands and abroad…

What does Leiden physicist Wolfgang Löffler think about the award of the Nobel Prize for physics to Arthur Ashkin, Gérard Mourou and Donna Strickland?

Four scientists from Leiden University have each been awarded a Starting Grant by the European Research Council (ERC). This grant, worth up to two million euros, gives researchers the opportunity to head up a research team for five years.