Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.

In this study, we evaluated the influence of supercritical carbon dioxide (scCO2) spray drying conditions, in the absence of organic solvent, on the ability to produce dry protein/trehalose formulations at 1:10 and 1:4 (w/w) ratios.

The barrier function of the skin is primarily provided by the stratum corneum (SC), the outermost layer of the skin. Skin barrier impairment is thought to be a primary factor in the pathogenesis of atopic eczema (AE).

The narrow but long stretched stript of Frisian land along the North Sea was already occupied before Roman times. However, man repeatedly suffered setbacks when he tried to extend his living space, both in the tidal marshes and the peat area south of them.

Artificial photosynthesis aims to produce fuels from solar energy using chemical processes. In semi-artificial photosynthesis, a hybrid approach is taken using both chemical and biotechnology approaches. We aim to develop hybrid systems between light-harvesting nanoparticles and redox-enzymes (oxidoreductases)…

My PhD thesis investigates the ecological significance of resistance against drought-induced air bubble formation inside the water conduits of plants (embolism), and the plasticity and functional aspects of stem anatomical traits in woody and herbaceous species.

Drug-induced liver injury (DILI) is one of the main reasons for drug attrition during pre-clinical and clinical phases of drug development as well as for drug withdrawal post-marketing.

Barrier function is the natural role of the skin. The lipid matrix present in the outermost layer of the skin, the stratum corneum is important for this function.

Drug induced organ toxicity is the main problem of the drug development and drug usage in the clinic. The liver and kidneys are the most sensitive organs towards drug induced toxicity.

Promotor: Prof.dr. B. van de Water, Co-promotores: J.W. van der Laan, C.L.E. Siezen

The Great Rift Valley in Africa is a real treasure trove for discovering early human fossils. The fossils found in this part of Africa have determined our view of human evolution. But was the Great Rift Valley really the place where evolution took place or just a place where fossils are well preserved…

This thesis investigates catalytic reactions at the atomic scale using scanning tunneling microscopy (STM), with a focus on Fischer–Tropsch synthesis, a key industrial process that converts hydrogen and carbon monoxide into liquid fuels.

The following editorial comments were recently published in the Common Market Law Review.

PhD defence

22 September 2017 the second biannual conference took place organised by IAAEU of the University of Trier and the Hugo Sinzheimer Institute of Frankfurt. The theme of the conference was the European Pillar of Social Rights. Under the heading of the conference’s title, International Labour Law as a stimulus…

What do children think about computer science and the profession 'programmer'? Shirley de Wit and her colleagues from the Programming Education Research Lab (PERL) are investigating how children see programmers and whether they have stereotyped images of this profession. Last summer more than 550 children…

In a joint letter, the Leiden student associations have appeal to students to practise 1.5m distancing and to only meet others if they are fit and well. They urge them to observe the corona rules to prevent a local spike.

Mariska Jung, Jasmijn Rana and Looi van Kessel receive a €10,000 KIEM grant for

An interdisciplinary consortium consisting of Leiden University, the University of Amsterdam (UvA) and Statistics Netherlands (CBS), receives €1 million to build an open digital infrastructure for network analysis of the entire Dutch population. This will allow scholars and policymakers to gain crucial…

'I hope to contribute to a better understanding of social dilemmas we constantly face, like those that arise with climate change or the current pandemic,' says social and organisational psychologist Jörg Gross in an interview on his Starting Grant of the European Research Council (ERC).

Children with hearing loss often fail to pick up on nuances in other people’s emotional responses. As a result, they do not always understand what is going on. Yung-Ting Tsou, a PhD student at Leiden University, found that having more knowledge of emotions and social conventions can help them in their…

On 29 and 30 June, Ingrid Leijten participated in an international workshop held at the International Institute for the Sociology of Law (IISJ) in Oñati, Spain.

Over the last decades, income inequality has increased globally. How do social policies affect this increasing trend? How do international trade and technological progress affect inequality? What is the profile of income inequality in China?

On 9 and 10 November, the Institute of International and European Law of the University of Göttingen and the Minerva Center for Human Rights of the Hebrew University of Jerusalem, organized a conference called ‘Unpacking Economic and Social Rights: International and Comparative Dimensions’.

We are excited to announce that Marie Schwed Shenker's research paper, co-authored with Dr Eduard Fosch-Villaronga (Associate Professor at eLaw) and Professor Bart Custers (Professor of Law and Data Science), has been accepted for presentation at the 16th International Conference on Social Robotics…

From the late Middle Ages onwards, maritime conflict has developed hand in hand with international trade. Over time, specific institutions were established to address disputes arising from violence or mishap at sea and in coastal areas. Conflict resolution at sea has mostly been studied through the…

What would happen if families with little money were to receive an extra amount every month with no conditions attached? Would it help with their worst financial problems? In order to find out, the municipality of Amsterdam will conduct an experiment with 300 families over the next two years. During…

The corona crisis has fuelled the discussion on social interests which has consequences for those looking out for these interests; it should be handled in a more socially responsible manner in which the government has an important role to play.

Rogier Creemers, assistent professor in Modern Chinese Studies, wrote an article about China's social credit system in the Schweizer Monat. In the article he argues that it is not the most dangerous among China's technology projects.

Lecture

We are pleased to invite abstracts for a conference on ‘Advancing Social, Economic, and Cultural Rights in a Polarised, Digitalised, and Unequal World’ to be held at Leiden University on 4 and 5 September 2025, in collaboration with Netherlands Network for Human Rights Researh (NNHRR).

A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…

SRON Netherlands Institute for Space Research is moving. The headquarters of the institute will relocate to the Science Campus of Leiden University. In October 2019, the first pile was officially put into the ground; in 2021, the building will be ready for use. A first glimpse at the building that will…

With his clever measuring methods Ignas Snellen – together with his team – was the first to detect carbon monoxide in the atmosphere of exoplanets. For his pioneering work the Leiden astrophysicist has been awarded the Spinoza Prize, the highest academic honour in the Netherlands. The prize of 2.5 million…

A consortium of international researchers comes with a unique solution to the energy problem. By mimicking photosynthesis, they aim to produce sustainable fuels out of sunlight, water, and CO2. Their secret? ‘Soap bubbles’, says Leiden chemist Sylvestre Bonnet, who is part of the consortium.

A smile, tears in your eyes or a blush on your cheeks: we understand one another better by mirroring one another’s emotions. In her PhD dissertation, Julia Folz concludes that people with autism or social anxiety can be helped by interventions focused on the body.

Many people were using social media to follow last weekend’s march on Moscow by the Wagner mercenaries. And they weren’t the only ones: intelligence services were also watching with great interest. What kind of information do they obtain from social media and what are the advantages and disadvantage…

How do commissions of inquiry operating in conflict situations utilize international law, and how can inquiry findings be utilized by other bodies belonging to the international legal community?

Olaf van Vliet is Extraordinary Professor of Comparative Welfare State Analysis at the Economics department and the Institute of Public Administration at Leiden University. ‘From an electoral point of view, it is much more interesting to do things for people aged 66 and upward than it is for people…

The Social and Cultural Plan Bureau (SCP) published the report “The social state of the Netherlands”. In this research is it stated that there is no such thing as a political shift to the right. In view of the fact that the right wing is better represented in the House of Commons, this is a remarkable…

In a new Social Europe article, Salvador Santino Regilme, Associate Professor of International Relations at Leiden University, warns that the EU must radically rethink how it funds its security—before it is too late.

Eduard Fosch-Villaronga, Marie Skłodowska-Curie Postdoctoral Researcher at eLaw- Center for Law and Digital Technologies, just published a book on Robots, Healthcare, and the Law. Regulating Automation in Personal Care.

Based on interviews with feminist Instagram users, this article studies emergent feminist visibilities on Instagram through the concept of filtering.

This monograph, written by dr. Dennie Oude Nijhuis and published by Cambridge University Press, discusses the postwar development of the welfare state.

On Wednesday 23 May, a jointly organized Lunch Seminar between the research programs Interaction Between Legal Systems and Reform of Social Legislation takes place. In this very special seminar we have the honour of receiving Prof. Jason Beckfield from Harvard University.

There was a lot of interest. In front of nearly a hundred researchers, supporting colleagues and Martijn Ridderbos, the Vice-Chairman of the Executive Board, Lotte van Dillen, Research Director of Psychology and Saskia Goedhard, Director of Humanities Operations jointly opened the new lab with a classic…