What’s really happening in the space between the cells in your body? With the Collagen Canvas project, students from Leiden University invite you to explore this question by blending science with art. This interactive artwork immerses you in the dynamics of the extracellular matrix—the invisible structure…

On the 5th of April 2019 our dear colleague and friend Professor Dr Mathieu Noteborn has passed away. In January of this year he was diagnosed with bowel cancer. He underwent surgery followed by chemotherapy, and despite the invasive nature of this therapy things were looking up. True to his optimistic…

Gold nanoparticles give us a better understanding of enzymes and other molecules. Biswajit Pradhan, PhD candidate at the Leiden Institute of Physics, uses gold nanorods to study individual molecules that would be challenging to detect otherwise. Resulting knowledge can be applied to many research fields,…

Rather than one key and one strong lock, biology often uses tens or hundreds of weaker links to bind parts together, such as cells membranes. This allows for selectivity and also reversibility: the binding can also be undone. Researchers first caught this phenomenon using spheres or colloids, and published…

He is occupied with the home stretch of his promotion. But in between, there is another challenge: Michael Meijer is going through to the finals of ‘The Smartest Chemist of the Netherlands’. On Tuesday 9 October, he and five others fight for this title during the Evening of Chemistry. ‘I was dragged…

Two Leiden researchers have demonstrated how mathematics can improve our healthcare. Daniel Gomon has developed a model that contributes to the quality of care in hospitals. Marta Spreafico works on an app that helps physicians make well-informed decisions about the treatment of a certain type of cancer.…

Engaged, active students who can see the links within their discipline. These are key aims of the University vision on teaching and learning, but how do you achieve them? An interdisciplinary research team led by ICLON has developed an inventive method that helps lecturers do just that.

A breakthrough from the PhD research of medical chemist Elmer Maurits may help patients with autoimmune diseases and blood cancer in the future. But bringing a discovery from the lab to the clinic is not so easily done. Thanks to NWO's Venture Challenge, Maurits and his team will receive ten weeks of…

How ethical is research involving humans and robots? And can research on artificial intelligence cause problems when it ends up in the wrong hands? In any research involving humans or their data, the ethics committee assesses where the issues are. Associate professor at LIACS Suzan Verberne chairs the…

How do surgeons avoid causing nerve damage or leaving cancerous cells behind? An interdisciplinary research group at the LUMC hopes to improve operations and make them less invasive with the aid imaging techniques. They are working with medical companies to make these techniques widely available.

Researchers from the Netherlands Cancer Institute, the Leiden University Medical Center (LUMC) and Oncode have created a tracking system that can reveal how often cells have divided. This allowed them to find a yet undiscovered population of immune cells: young memory cells that behave like stem cells.…

As technology transforms healthcare and services come under mounting pressure, one question remains the same: Will the advice or treatment offered help patients lead the lives they want to live? In her inaugural lecture, Professor Maxime Kummeling stresses the importance of quality.

Connecting as the magic word. Seeking new collaborations, presenting ourselves to the outside world with an open attitude and showing what we do. During the opening of the academic year on Tuesday afternoon, Dean Jasper Knoester emphasised that change and connection are necessary for the university…

A delegation from Leiden University visited Japan from 18 to 26 November to facilitate cooperation in research and teaching. The delegation also attended the signing of a twinning agreement between the cities of Leiden and Nagasaki and the opening of a bridge to Dejima, once literally the bridge between…

An MRI scanner is much more than a machine alone. It is an extremely versatile technique that provides numerous opportunities for finding out more about the workings of the human brain, says Thijs van Osch, Professor of Radiology, with a particular emphasis on experimental cerebrovascular imaging. Inaugural…

An international research consortium led by Bob van de Water, Professor of Toxicology at Leiden University, has been awarded a prestigious Horizon2020 grant of 30 million euros.

Two former Bio-Pharmaceutical Sciences students win the KNMP Student Award this year. Esmée de Zwaan for her research into new therapeutic strategies, Sanne Bakker for a study of bleeding risk associated with the use of antidepressant SSRI. Pharmacy organization KNMP awarded the annual prize on 8 October…

With the passing of Stephen Haigh on 9 September 2022, Leiden University's Institute of Political Science has lost a dedicated and inspiring instructor.

Evolution is all around you every day. This is the message of the new Massive Open Online Course (MOOC) of Leiden University and Naturalis that begins on September 19.

Professor Craig M. Crews of Yale University (USA) is the recipient of the 2025 Havinga Medal.

The first phase of the construction of the new building for the Faculty of Science is finished. The Cell Observatory of the Institute of Biology Leiden will be moving to the new building on the 19th of May.

During orange juice production only around a half of every orange is turned into juice. Lizah van der Aart and Blair Berger, both MSc-students at the IBL, and Ryan Bogaars from Delft University, received an NWO-scholarship to develop a novel method to extract natural products from orange residue.

Leiden researchers Arjen Doelman, Tom Huizinga and Manfred Wuhrer have been awarded ERC Synergy Grants worth millions of euros for their research on preventing tipping points being reached in ecosystems and helping eradicate rheumatism.

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…

In April, the X-omics initiative was granted 17 million euros from the Dutch Organization for Scientific Research. The subsidy is part of the National Roadmap for large-scale scientific infrastructure, intended to build or renew large-scale research facilities. What new insights will this investment…

An international team from the Netherlands, France, Norway and Austria demonstrate how new sequencing technologies can be used to efficiently generate the genome, DNA, sequence of an endangered animal, the European Eel.

He presented his PhD research entitled “Kick-starting drug development; translational systems pharmacology using innovative zebrafish experiments and advanced computational modelling”. During his presentation, Rob highlighted the advancements he made in using zebrafish as model in system pharmacolog…

Andrea Evers has received an NWO research talent grant with Jelle van Leusden as the PhD candidate. This grant enables them to start a research project to examine whether automatically regulated responses, such as the circadian rhythm, can be conditioned during sleep.

On the 29th of August 2017 Janine Geerling and Marjo de Graauw, together with their collaborating partners at Kryt B.V., organized a national symposium on Present-day Practicals. During this first edition the focus was on the implementation and use of the digital support tool LabBuddy within practical…

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,…

Michiel van der Vaart with a team from Leiden University and the LUMC, led by IBL-researcher Annemarie Meijer, discovered that DRAM1 is a protein that regulates anti-bacterial autophagy, a defense mechanism against infections such as tuberculosis.

On 11 March, pharmaceutical company Janssen received approval to launch its corona vaccine on the European market. This made Janssen the fourth company to be given the green light by the European Medicines Agency. As Lead of the Janssen Campus in the Netherlands, Biology alumnus Bart van Zijll Langhout…

The Department of Company Law and Financial Law provides education and conducts research in areas including company and corporate law, financial contract- and liability law, corporate governance, sustainability, Dutch and EU financial regulatory law, mergers and acquisitions, insolvency law, and international…

In 2025 hebben medewerkers en studenten van de Universiteit Leiden veel mooie prijzen ontvangen en belangrijke onderzoekssubsidies binnengehaald.

By working together with external social partners, the knowledge of our scientists finds its way into society.

Conferences, Workshops and Lectures showcasing research projects and teaching digital skills and tools for the Humanities.

From medicines from snake venom to supercrops and the origin of words. Thirteen researchers from Leiden University will receive Open Competition XS grants from the Dutch Research Council (NWO).

Street theatre, drama, poetry and a lot of science: Leiden's Rapenburg was the backdrop for the fifth Night of Art and Knowledge on Saturday 16 September. Many University buildings - from the Observatory to the Hortus - opened their doors to artists, scientists and a public curious to know more.

An overview of awards and prizes granted to our staff and students in 2018, as well as special appointments and royal distinctions.

As a student in the MSc Chemistry programme offered by the Leiden Institute of Chemistry (LIC) you will focus your studies on one of the two main research areas of the LIC. Students in the research area Chemical Biology will study fundamental biological and biomedical problems to understand physiological…

PhD defence

Twenty years onwards, in a review of an Escher exhibition in Italy, Nature Physics writes about it again: Leiden mathematicians helping Escher out. A reconstruction of how emeritus professor Hendrik Lenstra tracked down a 44-year-old problem.

Dear reader, Right now you are reading the very first SAILS newsletter. In this newsletter, you will find news, events and meet the researchers of the SAILS program. If you want to be updated about our events and receive the newsletter in the future, join the SAILS mailinglist! If you know anyone…

Teaching during the corona crisis, the high workload and the challenges faced by the Faculty of humanities. In an online working visit to Leiden University on 12 October, Minister for Education, Culture and Science, Ingrid van Engelshoven, discussed the hot topics of the day with the Executive Board,…

Thanks to the virtual girl Sweetie created by Terre des Hommes, more than a thousand men who had webcam sex have been identified worldwide. They thought they were chatting with a ten-year-old girl. Whether that is punishable by law depends on the country, Leiden legal experts conclude.

Gravitation programme grant Co-applicants Bernet Elzinga en Andrea Evers are two of the captains of the six teams, all led by main applicant Anita Jansen, Maastricht University.

The biweekly Lunch Time Seminar is an online only event, but it is not publicly accessible in real-time. If you would like to attend one of the upcoming sessions, please send an email to sails@liacs.leidenuniv.nl.