Promotor: B. van de Water

A neolithic settlement on the Dutch North Sea coast c. 3500 CAL BC.

OBJECTIVES: To determine whether the lipid/protein ratio and the total dry SC mass per surface area are related with the skin barrier function of controls and AE patients.

Promotor: E. Bouwman, Co-promotor: S. Bonnet

Inspiring and relaxed – these are qualities that describe the Netherlands perfectly. At the same time, there is much more to say about the country. For instance, according to the 2018 UN Human Development Index, the Netherlands is ranked tenth among the best countries to live in.

Everyone knows smoking is unhealthy, but did you also know that smoking is not good for the environment? In parternship with UFB, we are organising a number of action days to pick up cigarette butts, hand out sustainable ashtrays and inform people about how they can smoke more sustainably!

The conquest by Rome brought profound changes to large parts of Europe. Unprecedented infrastructural works were created, towns sprang up, a ribbon of fortresses was laid out along the frontiers.

In the Schouwburgstraat, LUGO is currently redesigning the back-garden in order to increase biodiversity and make it a more beautiful space. Throughout October 2023 until March 2024, we will be making changes to the garden with our team of volunteers.

Promotores: Prof.dr. W.J.G.M. Peijnenburg & Dr. M.G. Vijver

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…

How are the epidermal lipid pathways involved in health and disease.

Making public space more sustainable is considered very important in this project. The Humanities Campus will become a pleasant place to spend time, with lots of greenery. Here, people can relax and find coolness on hot summer days.

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.

As a contribution to the changing legislation and evolving societal attitudes concerning environmental issues, this project aims to enhance and manipulate the plants’ own natural defense mechanisms against western flower thrips (WFT).

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

Streptomyces are bacteria abundant in soil that participate in diverse and complex interactions. These bacteria are the main producers of the antibiotics we currently use in the clinic.

Promotores: Prof.dr. C.A.J. Knibbe, Prof.dr. M. Danhof, Prof.dr. K. Allegaert (Leuven)

This study focuses on the local level impacts of a highly globalised industry: the international trade in tropical timber.

How to stimulate novel research in science and innovation

The team consists of

Freshwater is an important resource, but at a great risk of species decline due to habitat loss, pollution and over-exploitation, and invasive alien species.

This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…

Soil is a home for an unbelievable diversity and abundance of microbial life that is essential for supporting life on our planet.

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.

Our anniversary won’t be an anniversary without a bit of sport. Because sport brings us together: shoulder to shoulder on the start line and cheering each other over the finish. So we are going to run (or walk) in Leiden and The Hague, and we are also taking to the water.

Symposium and Workshops

Inaugural lecture

The programme is structured along learning lines on environmental sustainability, governance and skills.

What is Leiden University doing to make its buildings future-proof and independent of fossil energy?

The documentary invites us to consider the question of what we consider valuable knowledge. “We need to realise that doing and thinking are intertwined in ways we did not comprehend before” argues Maikel Kuijpers, archaeologist and the producer of the documentary. “This will have consequences for the…

The Institute of Public Administration studies the complex problems facing the public sector in the 21st century, from climate policy to the effects of digitalisation. Its researchers analyse, explain and help come up with solutions to the challenges of society today.

Urbanization brings benefits like housing and jobs but also challenges like biodiversity loss. CML's Urban research program uses science to create sustainable cities, focusing on the built environment (circular economy, urban mining) and enhancing urban nature for biodiversity and human benefits.

Plant Sciences' contribution to the Development & Disease research theme is to unravel the processes that allow plants to adapt to changing abiotic and biotic environmental conditions or stresses, with the aim to contribute to the sustainable production of food, flowers and bio-based products using…

Leiden University encourages all its laboratories to obtain LEAF (Laboratory Efficiency Assessment Framework) accreditation.

Leiden archaeologists investigate how people in the past impacted their environment. Together with scientists, environmental scientists, and humanities experts, they use this information to draw conclusions about the present – and show what we can learn from it for the future.

How have human-environmental entanglements changed in the Gulf of San Miguel, Darien, Panama, from the first traces human practices through to the present?

Dr Kim Duistermaat (NVIC) en Niels Groot (TU Delft)

If a society is to be secure, sustainable and resilient, conflicting interests must be reconciled. Researchers at Leiden University study the behaviour of individuals, groups and states in relation to this issue, and use their knowledge to promote equality within and between communities.

Looking for ways to travel more sustainably once you've reached your destination? Here, we offer some ideas and helpful links to guide you in becoming a more responsible tourist. Ecotourism, defined as "responsible travel to natural areas that conserves the environment, sustains the well-being of…

Description of 20th century changes in the Dutch flora: Description and interpretation (1999 - 2005)

Would you like to do something for the victims of the war in Ukraine? Several actions have been set up to help the people in Ukraine. Read below what you can do.

In our lives we often have little attention or appreciation for plants, let alone the ones we commonly call weeds. This inattention for plants has been described as plant blindness. The Stoepplantjes project aspires to decrease plant blindness by changing the image of weeds and using citizen science.…

Biosynthetic gene clusters (BGCs) for natural products are widespread in microbial genomes, and they are rapidly exchanged. This research assesses the factors that control the spread of BGCs and resistance genes in nature. This includes risk assessment for the spread of engineered DNA in nature.

Proceedings of the 25th International Congress of Roman Frontier Studies 4