What is the optimal design of sandy solutions for sustainable climate change adaption, from an ecological, biophysical and societal point of view?

Particles are omnipresent in biopharmaceutical products. In protein-based therapeutics such particles are generally associated with impurities, either derived from the drug product itself (e.g. protein aggregates), or from extrinsic contaminations (e.g. cellulose fibers).

One of the key discoveries in exoplanet research over the past decade is the abundance of small planets in our Milky Way. Despite their high numbers, our understanding of their atmospheres remains limited, and it is unknown if they possess atmospheres at all.

In this dissertation (titled: Exploring the Synergies between Transfer in Reinforcement Learning and Procedural Content Generation) we explore how the two research fields named in the title, namely Transfer in Reinforcement Learning (TRL) and Procedural Content Generation (PCG) can synergize togethe…

This thesis describes the synthesis, analysis of various tetrazine bearing compounds and use in bioorthogonal chemistry.

In this work, we illustrate unconventional approaches towards the fabrication of edge functionalized graphene nanostructures and bidimensional architectures in polymeric and metallic supports, with an outlook towards molecular sensing devices.

A remarkable population of short period transiting rocky exoplanets with equilibrium temperatures on the order of 2,000 K has recently been discovered.

Dit artikel onderzoekt de effecten van de invoering van proportionele vertegenwoordiging (PR) op de politieke vertegenwoordiging van vrouwen.

Hoe kan complexiteitswetenschap de transformatie van inlichtingen bevorderen?

Promotie

Dit proefschrift betreft een interpretatief onderzoek naar de wijze waarop leraren hun dagelijkse leraar-leerling interacties interpreteren in termen van het belang van hun leerlingen.

In this PhD study, I aim to deepen our understanding of the influence of major mycorrhizal types, namely arbuscular mycorrhizae (AM) and ectomycorrhizae (EM), on the global soil carbon cycle and their potential distribution changes under future environmental shifts.

The role of the interfacial environment during electrochemical reactions has been increasingly valued, especially for those reactions involving protons or hydroxyl ions.

Promotor: A.H. Meijer, Co-promotor: B.E. Snaar-Jagalska

This article examines how immigration from Central and Eastern Europe influences political support for Eurosceptic parties.

Promotie

The overarching clinical aim of this thesis was to improve pharmacological pain management by characterizing the pharmacodynamics of analgesics. This promotion has been awarded the predicate cum laude.

Promotor: Prof.dr. C.W.J. Beenakker

Modern optimization algorithms offer solutions for architectural decisions like spatial, structural and energy efficiency. A young computer scientist from Leiden University co-authored a paper that won the Best Paper Award at a leading conference in Krakow during the summer.

Hybrid Symposium: Medieval miniatures from Byvanck to the RKD. 18 March 2025, Den Haag.

The upscaling of Life Cycle Assessment (LCA) data is recognized as one of the main challenges in the ex-ante LCA of emerging technologies. This challenge arises since industrial-scale system specifications for these technologies are unknown and industrial data is lacking.

Sinds de oprichting is LUC een college voor onderwijsontwikkeling en experimentatie. In de missie van het college wordt LUC beschreven als "een plek van innovatie op het gebied van didactiek, curriculumontwerp en studentwelzijn." Deze visie wordt toegepast via een studentgerichte benadering in het onderwijs…

A complex community of microbes develops in the infant gut shortly after birth. We call this community the infant gut microbiota. The microbiota influences the health of the infant, which makes the composition and function of the infant gut microbiota an important topic to study.

Promotor: Prof.dr. G.P. van Wezel

In the last decade, the redox interconversion between metal thiolate and disulfide compounds has been extensively investigated for copper, but not for other transition metal ions.

Dit onderzoeksproject wordt mogelijk gemaakt door een onderzoekssubsidie van Instituut Gak.

Promotor: G.P. van Wezel, Co-Promotor: E. Vijgenboom

Voltammetry plays a crucial role in modern scientific research by offering valuable insights into the electrochemical properties of materials, with wide-ranging applications in fields such as materials science, energy storage, corrosion studies, and sensor development.

The subject of this thesis, ‘Approach to Markov Operators on Spaces of Measures by Means of Equicontinuity’, combines an analytical and probabilistic approach to Markov operators.

Promotors: Prof.dr. T.H.W. Bäck, Prof.dr. B. Sendhoff (Technische Universität Darmstadt)

The soil-dwelling, filamentous bacteria of the genus Streptomyces are renowned for their production of useful secondary metabolites including antibiotics. The work described in this thesis provides new insights on the role and regulation of antibiotic production and resistance in these bacteria.

The focus throughout this thesis will be on gathering fundamental studies of the detailed structure and composition of the electrode/electrolyte interface effect on the rate and mechanism of key electrocatalytic reactions.

In this work the reconstruction of a tau neutrino signal in the KM3NeT detector is discussed.

The School of Celtic Studies (DIAS) is organizing a conference on medieval multilingual manuscripts. The aim of this conference is to bring together scholars working on medieval bilingual or multilingual sources from a variety of linguistic backgrounds, geographical areas, and literary genres. It will…

Duurzaamheid is een van de centrale aandachtspunten van de Universiteit Leiden en speelt een steeds grotere rol binnen het onderwijs en onderzoek van de Faculteit der Rechtsgeleerdheid. Binnen deze context levert de afdeling Sociaal Recht een belangrijke bijdrage aan het debat en onderzoek rondom Business…

In het tijdschrift Organizational Behavior and Human Decision Processes wordt deze maand een artikel gepubliceerd van dr. Helen Pluut in samenwerking met Katrina Jia Lin en Remus Ilies van de National University of Singapore, waar Helen voorheen werkzaam was, en met Su-Ying Pan van de Macau University…

The endophytic microbiota is a community of various microorganisms that reside in plant tissue. These microbes are known to promote plant health and resilience, and their members do not simply exist side by side.

Kunst en vrije tijd, Kunst en vrije tijd

Van onderwijs tot een verrijkende ervaring

Healthcare Information Systems (HIS) are essential for modern healthcare delivery, yet their development faces significant challenges including heterogeneous data formats, regulatory compliance, and the growing demand for AI-driven decision support.

It is time for the fifth lecture in the series Manuscript Mondays. We shall have two speakers. Jesse Keskiaho (University of Helsinki, Finland) will start with a talk about the soul. In the second talk Evina Steinova will tell us more about the medieval encyclopaedia. The talks will be followed by a…

International trade has played a major role in defining the modern global economy. Trade, however, entangles the environmental pressures of economic sectors, giving the illusion of environmental improvements, while the opposite may be occurring.

Galaxies in the local Universe fall into two main categories of spirals and ellipticals. In this Thesis, we explore the structural evolution of galaxies into this bimodal distribution.

Carbon dioxide capture and utilization technologies are necessary to create a truly circular economy. The electrochemical reduction of carbon dioxide to formate is an appealing carbon utilization method as it can be performed at room temperature and pressure, it only requires two electrons, and it has…

Tin electrodeposition applications have rapidly evolved in the past 25 years.

Surface acoustic waves (SAWs) are mechanical waves that travel along the surface of a material and find many applications in modern technologies due to the ease of excitation on piezoelectric substrates via interdigital transducers (IDTs).

Over the last three decades, the discovery of exoplanets has revealed the boundless variety of worlds beyond our own Solar System⁠. Majority of planetary systems contain short-period planets that are larger than Earth but smaller than Neptune⁠.

Interactive exploration of large volumes of data is increasingly common, as data scientists attempt to extract interesting information from large opaque data sets. This scenario presents a difficult challenge for traditional database systems, as (1) nothing is known about the query workload in advance,…

Promotor: Prof.dr. E.F. Smets. Co-promotores: B. Gravendeel, F. Pupulin