How does an embryonic stem cell decide if it becomes a heart cell or a kidney cell? That’s the question computational biologist Maria Mircea studied for her PhD research. She looked at the inside of individual cells to analyse how they change. This is what she discovered.

On July 28, 2022, our dear colleague Daniëlle Hamstra passed away after a short sickbed. Daniëlle had been associated with the Clinical Psychology Section since 2010, initially as a student in the research master's program and subsequently as a lecturer and PhD candidate.

Paramagnetism. An obscure occult practice? No. It’s one of the newest scientific methods for mapping the behaviour of proteins with great precision. Marcellus Ubbink has been awarded 3 million euro by NWO and Leiden University to purchase a very powerful instrument. The goal: to acquire greater insight…

The bacterium Vibrio cholerae is a serious threat to our health because it is the causative agent of cholera. Worldwide, over a billion people per year are at risk of cholera infection. New strains of V. cholerae are resistant to the multiple drugs used to treat cholera, meaning that new types of drugs…

In her inaugural lecture on 11 September, Miranda van Eck, Professor of Cardiovascular and Metabolic Therapeutics, addressed her research related to developing medications to keep our blood vessels clean.

Before researchers can develop targeted drugs, they need to know exactly how a disease works. Biochemist Bert Beerkens created molecules that allow them to find out. He used caffeine as the basis for new molecules that enable research into certain receptor proteins on cells.

Detecting molecules with temperature instead of chemical reactions: that’s what scientists from the Leiden Institute of Physics want to do. They are developing a sensor that utilizes special nanoparticles to keep track of certain molecules. In this way, they can for example see how well new drugs do…

Undesirable associations with sex can be unlearned, but return if the circumstances change. They must therefore be unlearned in different situations. The drug D-cycloserine may help here. These are the findings of psychologist Mirte Brom.

On 9 April 2019 the graduation ceremony of the master Crisis and Security Management (MSc) took place. Three graduates were asked how they felt now, what they are going to miss, whether they would have wanted to do something different looking back and what their future plans are.

The steady decline in lethal gun violence in the EU came to halt in 2012 and some countries, such as Sweden, have even noticed an increase since then. An arms race among drug criminals and an increase in the availability of illegal firearms could lead to more criminal and gun violence. This is one of…

Bacteria whirl around in the mouths of most people, forming dental plaques and sometimes causing nasty gum infections. Treponema denticola might be a dangerous pathogen, but not much is known about this bacterium. It was up to Ariane Briegel and her research group to change that.

Gerard van Westen has received the KNCV Gold Medal, the most important Dutch award for chemists under 40. 'It's a huge honour,' says the professor of AI and medicinal chemistry. 'I am now part of the group of people I was always impressed by.'

When we think of unethical medical experiments, we tend to think first of Nazi Germany. What is less well known is that experiments were also carried out in colonised areas without the explicit consent of the test subject. University lecturer Fenneke Sysling has received a European grant to research…

Two research groups involving Leiden University have been awarded a major European grant, the ERC Synergy Grant. This for research on the development of membranes that can clean water and purify medical drugs and research on the biological clock in certain bacteria.

Lecture

Professor Annemarie Meijer and several students explained to more than 8000 visitors the zebrafish as a model for research during the National Weekend of Science (3-4 Oct) at Science Center NEMO in Amsterdam.

Venomous animals serve as models for a variety of mimicry types. Michael Richardson (IBL) and his international colleagues find that a group of fishes (called fangblennies) evolved venom after the origin of their venom-delivering fangs.

Quincy Promes has been arrested in Dubai at the request of the Netherlands Public Prosecution Service. The Dutch judicial authorities now want Dubai to extradite Promes. But how does that work? Professor Jannemieke Ouwerkerk explains on ‘RTL Nieuws’.

On Wednesday 16 June 2021, Karim Khan was sworn in at the International Criminal Court (ICC) in The Hague. Experts say this is no easy time to join the ICC.

Many Leiden scientists will be taking part in the Night of Arts and Science on 17 September. Find out what's on for English speakers.

Venture capital investors Zeeuws Investerings Fonds and Participatiemaatschapij Oost Nederland have joined forces with national and regional partners to fund development and sales of MIMETAS’ unique 3D disease- and tissue modelling technologies.

Recently, the PhD thesis of Lolu Danso Eweje appeared entitled ’Development of human skin equivalents to unravel the impaired skin barrier in atopic dermatitis skin’.

Eleven researchers of the Faculty of Science are on the 2021 Highly Cited Researchers list of Clarivate Analytics. Only 0.1 per cent of researchers are included in this list, literally making them one in a thousand.

On 22 March 2016, Prof. Carsten Stahn spoke on prosecuting Human Trafficking as a Crime Against Humanity at a Conference on International Criminal Justice, hosted by the Collaborative Innovation Center of Judicial Civilization of Zhejing University in Hangzhou, China.

Fergus McNeill has been appointed as visiting professor at the Institute of Criminal Law & Criminology of Leiden Law School.

Prof. dr. Hubertus Irth will be appointed as the new Scientific Director to the Leiden Academic Centre for Drug Research (LACDR) starting September 1st, 2016.

Freek Janssen, a PhD-student in the department of Molecular Physiology, has received an award for the best oral presentation during the Young Medicinal Chemist Symposium organised by the European Federation of Medicinal Chemistry (EFMC-YMCS’16). Freek Janssen presented his work on “Development of Highly…

On 11 April 2018, students of the Advanced Master’s in European and International Human Rights Law attended a lecture on the human rights situation in Mexico. The lecture was delivered by Dr. Víctor Avendaño Porras, who lectures and researches at Mexico’s CRESUR (Research Centre on Teaching Formation…

Which brilliant scientist will be our Discoverer of the year 2018? Will it be a physicist, biologist, drug discoverer or an astronomer? Or an environmental scientist, a mathematician, chemist or computer scientist? As of now, you can cast your vote.

Miranda van Eck is benoemd tot hoogleraar Cardio Vascular & Metabolomic Therapeutics bij het Leiden Academic Center for Drug Research (LACDR) van de faculteit der Wiskunde en Natuurwetenschappen. De benoeming ging per per 1 februari 2014 in.

We investigate bacteria and fungi to understand their malicious or beneficial impact on food crops and their pathogenic or antibiotic role in human health.

On Friday 2 June 2023, Vincent Delhomme, Assistant professor at the Europe Institute at Leiden Law School, successfully defended his PhD thesis entitled : ‘Regulating lifestyle risks in EU law: Promoting health in a diverse market’.

An investigation by Dutch news site RTL Nieuws reveals that an error at the Regional Institute for Juvenile Outpatient Mental Healthcare (Jeugdriagg), has led to the files of children, many with serious psychological problems, being leaked.

The Faculty of Science is pleased to invite you on Friday 17 April to the opening event of the Leiden Metabolomics Facility with a mini symposium.

How can we diagnose the life-threatening condition sepsis in premature babies as quickly and accurately as possible? That is what PhD student Manchu Thangavelu from the Leiden Academic Centre for Drug Research (LACDR) wants to figure out.

Instant messaging app Telegram is not faring well in the news – the reason being the illicit activities occurring on the platform. Professor Bart Custers helped Dutch current affairs programme ‘EenVandaag’ respond to questions about the platform.

Biophysicist Rolf Harkes has developed a microscope to optically localize individual molecules in living cells. It improves monitoring of diseases like cancer and Parkinson’s at the cellular level. Defende PhD thesis on t13 January 2016.

Seven new Medical Delta professors revealed their research plans in a lecture marathon on 21 June. The professors at Leiden University, the LUMC, Delft University of Technology and the Erasmus Medical Centre Rotterdam operate at the interface between life sciences and health and technology.

Daily-adapted radiotherapy can help to more precisely target radiation dose to tumors compared to the current clinical practice, while avoiding radiosensitive organs-at-risk in the surrounding area. A main obstacle however is that new treatment plans need to be created every day, which is a manual and…

The High Troughput Microscopy Dutch Flagship Node that includes the Leiden Cell Observatory Screening platform is now officially ratified as a Euro-BioImaging (EuBI) Node Candidate

Leiden physicists use a new method to measure so-called surface plasmons. Researching these particles could lead to new light-based technology, including faster internet.

PhD candidates in medicine, Wouter Jan Geelhoed and Nan van Geloven, are the winners of the Leiden preliminary round of FameLab. They are through to the final on 22 April.

A lively discussion on impact and society

A lively discussion on impact and society.

Annually, approximately 60.000 people in the Netherlands undergo radiation therapy for cancer. Coen Rasch is dedicated to enhancing the precision of proton therapy.

Four Leiden researchers will be gaining experience at prominent international research research institutes funded by a Rubicon subsidy from NWO. One international researcher will be coming to Leiden.

On February 28th of this year Dr. Andrzej Tadeusz Antczak died of cancer after a long battle. Until his retirement in 2023 Andrzej was attached to the Faculty of Archaeology as an Associate Professor in Caribbean Archaeology. From 2017 until 2020 he was the Head of the Department of World Archaeology,…

Below are some of the scholarly works published within the context of the Institutions for Conflict Resolution programme.

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

The Middle Paleolithic site of Neumark was first discovered in the 1980’s by German geologist Matthias Thomae.