The elementary excitations of magnets are called spin waves, and their corresponding quasi-particles are known as magnons. The rapidly growing field of Magnonics aims at using them as information carriers in a new generation of electronic devices, (almost) free of electric currents.

Vancomycin is a last-resort antibiotic for the treatment of many Gram-positive bacterial infections, while remaining inactive against Gram-negative strains.

There are many interpretations of quantum mechanics, and ultimately experiments are needed to verify or falsify these interpretations.

Galaxies form and evolve through close interaction with their surroundings. As a result, the heavy elements ('metals') that are synthesized in stars, are found both inside and outside galaxies.

To address the fundamental questions of how life on Earth emerged and how common life may be in the Universe, it is crucial to know the chemical composition of the planet-forming material.

Promotor: Ed F. Deprettere, Co-promotor: Todor P. Stefanov

The genetic information of all living organisms is contained in their DNA. Cells modify the degree of DNA compaction by epigenetics, which largely determines what genes are read out and which genes are transcriptionally silent.

Promotor: H.V.J. Linnartz

This dissertation investigates the energy and material related impacts of the transition towards a low-carbon heating system in the Netherlands, in the context of its 2050 climate and circular economy policy goals.

Antibiotic resistance, caused by widespread use of antibiotics, leads to bacterial infections that are difficult, if not impossible, to treat and is a major worldwide health concern.

As leading cause of death worldwide, cancer is responsible for nearly 10 million deaths in 2020 according to World Health Organization (WHO). Cisplatin and its derivatives are commonly used chemotherapy agents for current cancer treatment in the clinics.

Promotor: P. J. J. Hooykaas, Co-promotor: R. Offringa

Lysosomal glycosidases are acid hydrolases that fragment glycoconjugates in lysosomes.

Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele

Promotores: Prof.dr. J. A. Bouwstra, Prof.dr. W. Jiskoot

Shape and biological function are tightly connected. Physical descriptions are used to connect the shape of a biological system with its function.

Promotor: J.W. van Holten

Systems are called real-time systems, if the correctness of the system does not only depend on the correctness of the system output but also on whether the output is delivered on time.

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.

All life on earth contains DNA, which is used to store biological information. Organisms compact their DNA in order for it to fit inside their cell(s).

Development of an aggregated impact indicator to measure decoupling.

Description of Atlas of the surfacewater concentrations of pesticides in the Netherlands, a pilotstudy.

The Dutch atlas with pesticides concentrations in surface waters have been overhauled. This new, free accessible, website is in line with the European Framework Directive on Water (In Dutch: KRW).

A critical look at the impact assessment modelling of metals in Life Cycle Impact Assessment and improvement options.

During the course of drug discovery translational steps are made.

Promotores: Prof.dr. H.S. Overkleeft, Prof.dr. G.A. van der Marel

The origin and evolution of galaxies are closely linked to many different physical phenomena.

The aim of this thesis is to explore the use of Bioorthogonal Antigens to study the cross-presentation pathway.

In this Thesis, novel charge induction mechanisms of ionic liquids are treated, tested and experimented on complex oxides, in particular cuprates.

Transport inspectorates are looking for novel methods to identify dangerous behavior, ultimately to reduce risks associated to the movements of people and goods. We explore a data-driven approach to arrive at smart inspections of vehicles.

The thesis focuses on synthesis strategies in oligosaccharide campaigns, and the influence of protecting groups.

Promotor: E.R. Eliel, Co-Promotor: M.J.A. de Dood

Promotores: Prof.dr. M. Franx, Prof.dr. M. Kriek (Univ. of California at Berkeley)

If mankind wants to survive into the 22nd century, we will need to change the way we live drastically. The human impact on our planet is everywhere, we are changing the atmosphere, the oceans and the land, leading to global warming, climate change, loss of biodiversity and pervasive pollution. There…

Dat Tim Meijers uiteindelijk filosoof werd, viel eigenlijk wel te verwachten. Als kind al stelde de universitair docent zichzelf en anderen eindeloos vragen. Nu doet hij dit professioneel aan het Instituut voor Wijsbegeerte van de Universiteit Leiden. Tim Meijers onderzoekt duurzaamheid en rechtvaardigheid…

Ze begon als ICT’er maar stortte zich na 7 jaar in het bedrijfsleven in een heel ander vakgebied: Islamitische Theologie. Mede-oprichtster van de Leiden Islam Academie Fatiha Azzarhouni werkt nu op de Universiteit Leiden aan het vergroten van het begrip van de islam in de Nederlandse samenleving.

Aphroditi Zoulfoukaridis is manager van LeidenGlobal, een samenwerkingsverband van verschillende faculteiten aan de universiteit en andere academische en culturele instellingen in Leiden. In haar vrije tijd bezoekt ze graag culturele evenementen en ze houdt van reizen.

Als Sjoerd van Trigt niet in de collegezaal zit, is hij te vinden bij Roeivereniging Asopos de Vliet. De student International Studies traint daar zeven keer per week. Binnenkort vertrekt hij voor een halfjaar naar Japan.

In dit interdisciplinaire onderzoeksprogramma werken onderzoekers uit vijf verschillende disciplines met elkaar samen. Zij stellen zich hieronder (in het Engels) aan u voor.

Wiskunde en Natuurwetenschappen, Centrum voor Milieuwetenschappen Leiden (CML)

Wiskunde en Natuurwetenschappen, Leids Instituut voor Chemisch Onderzoek (LIC)

Ontdek een centrum van diversiteit, onderzoek en onderwijs in talen, cultuur en geschiedenis in Leiden én Den Haag. Leer meer over onze missie, visie en impact en de inrichting van onze faculteit.

’Kerk en geesteswetenschappen moeten elkaar niet beconcurreren, maar versterken.’ Dat stelde hoogleraar Herman Paul tijdens de predikantencontio van de Gereformeerde Bond, waarvan het Reformatorisch Dagblad verslag doet.

In this dissertation several settings in the Online Learning framework are studied. The first chapter serves as an introduction to the relevant settings in Online Learning and in the subsequent chapters new results and insights are given for both full-information and bandit information settings.

The Economics and Governance specialisation of the Master in Public Administration teaches you to formulate problem-solving approaches to concrete policy issues found at the intersection between economics and public administration. This specialisation is a unique joint offering of the Department of…

Development of indicators to assess decoupling of economic development and environmental pressure in the EU-25 and AC-3 countries.

Rechtsgeleerdheid

In today's volatile market environments, companies must be able to continuously innovate. In this context, innovation does not only refer to the development of new products or business models but often also affects the entire organization, which has to transform its structures, processes, and ways of…

Can we distinguish the effects of pesticides from other abiotic and biotic factors that occur in the field? And how do these factors interact with pesticides?

Plants and their pollinators form complex interaction networks. Within these networks, species differ widely in the number of species they interact with.