Promotores: C.A.M.J.J. van den Hondel, V. Meyer, Co-promotor: A.F.J. Ram

From Incident to Precedent

Factors affecting galanthamine production in Narcissus

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

Bacteria are highly complex and diverse organisms that have adapted to survive in ecological niches ranging from the most extreme to the most heterogeneous environments.

Actinobacteria are Gram-positive bacteria that have a complex multicellular life cycle and are well known for their ability to produce a wide range of bioactive natural products (NPs).

The idea of citizens and public professionals collaborating to provide public services has widely spread in several countries around the globe. Co-production is often presented as the go-to solution for challenges like a legitimacy crisis of both the government and the market, and financial concerns.…

Promotores: Prof.dr. C.A.M.J.J. van den Hondel, Prof.dr. V. Meyer (Technische Universität Berlin)

This thesis examines the impacts and challenges of water use of electric power system. This thesis found that there are large differences in water use of electricity technologies, with hydropower and thermal power being two large water users.

Streptomyces bacteria are a valuable source of natural products, many of which are used in the clinic or in biotechnology.

Hoe kan de techniek van cell wall engineering worden ingezet zodat de industrie streptomyceten beter kunnen verwerken tot nieuwe antibiotica?

Promotor: W. Jiskoot, Co-promotor: H.A. Every

Filamentous Actinobacteria, such as Streptomyces, produce a plethora of chemically diverse bioactive metabolites that have found applications across medicine, agriculture and biotechnology.

Afgelopen donderdag sprak president Poetin harde taal in zijn jaarlijkse beleidsverklaring in Moskou. De Russische president beweerde dat het land nucleaire wapens heeft getest waar geen raketschild tegen bestand is.

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

Op donderdag 23 april hebben Afshin Ellian en Gelijn Molier, beiden verbonden aan de Afdeling Encyclopedie, het eerste exemplaar van het boek 'Freedom of Speech Under Attack' in Perscentrum Nieuwspoort aangeboden aan Flemming Rose.

In this project innovative technology for photovoltaics cells is developed and analysis of ecological and health related risks are explicitly accounted for.

Jeanine de Roy van Zuijdewijn was als expert uitgenodigd om een speech te houden tijdens de plenaire werkgroepvergadering van de Global Coalition against Daesh die op 28 januari 2020 gehouden werd in Kopenhagen, Denemarken.

Promotors: Prof.dr. P.J. Punt, Prof.dr. C.A.M.J.J. van den Hondel

Streptomyces are filamentous bacteria that produce more than two-thirds of known antibiotics.

Het onderzoeksproject van de Leidse cognitief psychologe Kalinka Timmer is door de Nederlandse Organisatie voor Wetenschappelijk Onderzoek gehonoreerd met een Rubiconsubsidie. Dit stelt haar in staat onderzoek te doen aan een gerenommeerde onderzoeksinstelling in het buitenland.

De VN-Commissie voor Internationaal Recht ging vlak na de oprichting van de Verenigde Naties van start om de progressieve ontwikkeling van het internationale recht en de codificatie daarvan te bevorderen. Het is een hulporgaan van de Algemene Vergadering van de Verenigde Naties.

Professor Nico Schrijver is hoogleraar internationaal recht aan de Universiteit Leiden en president van het Institut de Droit international, het meest prestigieuze internationaal rechtelijk instituut dat reeds in 1873 werd opgericht en vanwege de kwaliteit van zijn werk in 1904 de Nobelprijs kreeg t…

Plants are colonized by an astounding number of microorganisms that can provide different life-support functions, including nutrient acquisition and protection against (a)biotic stresses like drought or pathogen attack.

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.

Promotor: G.P. van Wezel, Co-promotor: D. Claessen

Bacterial biocatalysis constitutes a sustainable alternative for high-value chemicals production by enabling the utilization of renewable feedstocks.

Leerlingen uit de bovenbouw van het vwo met een talent voor het gesproken woord binden de strijd met elkaar aan tijdens het Max Havelaar Toesprakentoernooi. Daarnaast kunnen zij hun speechkennis en -vaardigheden uitbreiden. Het meesterwerk van Multatuli is de rode draad van dit toernooi.

The transition to electric vehicles (EVs) reduces vehicle emissions to combat climate change. EVs raise concerns regarding the production of lithium-ion batteries and related emissions; while batteries can also provide energy storage services for the electricity system.

Leerlingen uit de bovenbouw van het vwo binden de strijd met elkaar aan op het Max Havelaar Toesprakentoernooi. Het doel: een topspeecher worden, je verdiepen in fairtrade én het werk van Multatuli beter leren kennen.

The intradermal administration route is attractive for vaccine delivery, because of the highly populated antigen-presenting cells in the skin. However, the skin’s main physical barrier, the stratum corneum, prevents vaccines from entering the skin.

In this study the flows of PVC and its additives through the Swedish Society were followed from the cradle to the grave (from production to waste treatment).

How can we develop and further improve life cycle impact assessment methods, characterisation factors and normalisation factors?

Promotor: G.P. van Wezel

Industrial manufacturing processes, such as the production of steel or the stamping of car body parts, are complex semi-batch processes with many process steps, machine parameters and quality indicators.

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

Molecular complexes can be used as electrocatalysts for oxygen reduction, water oxidation, and/or hydrogen peroxide production.

In Europe a number of production and communication strategies have long tried to establish local products as resources for local development. At the foot of the Alps, this scenario appears in all its contradictions, especially in relation to cheese production. The Heritage Arena focuses on the saga…

Are there significant differences among the environmental impacts resulting form the production of Asian aquaculture commodities and what are the main causes for these?

The global agri-food system plays a critical role in food security and environmental issues.

Op 1 juni 2022 verdedigde Tom Herrenberg het proefschrift 'Prosecutorial Discretion in International Criminal Justice'. Het promotieonderzoek is begeleid door prof.dr. P.B. Cliteur en prof.dr. B.R. Rijpkema.

Striga hermonthica, commonly known as witchweed, infests major cereal crops in Sub-Saharan Africa causing severe yield losses and threatening the livelihood of millions of resource poor farmers.

Cardiovascular disease is the leading cause of death worldwide.

Promotor: A. Achúcarro, Co-promotor: A. Boyarsky