Marine sponges are important members of reef ecosystems, as they play ecological roles that are essential for the health of the reef.

G protein-coupled receptors (GPCRs), one of the largest families of membrane proteins, are responsive to a diverse set of physiological endogenous ligands including hormones and neurotransmitters.

Almost all bacteria are enveloped by a cell wall that provides cellular protection.

In this thesis, classes of strongly interacting quantum field theories, have been studied.

Promotor: Prof.dr. J.W.M. Frenken

The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.

Promotor: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon, Co-promotor: H.H. de Iongh

This thesis consists of two subjects, that are both a consequence of radiation pressure.

This ecological community has long been known to affect host biology, and their diverse roles have been further clarified in recent years following numerous studies of animal:microbiota interactions in diverse systems.

Promotor: Prof.dr. E.F. Smets, Co-Promotor: L.W. Chatrou

Promotor: Prof.dr. H.V.J. Linnartz

Artful Mathematics: The Heritage of M. C. Escher

A sustainable resource management is an essential aspect to satisfy the current human needs without compromising the needs of future generations.

Lezing

Promotores: P. Stevenhagen, L. van Geemen (Università degli studi di Milano), Co-Supervisor: Ronald M. van Luijk

Trigonostemon Blume is a plant genus in the family Euphorbiaceae comprising 59 species.

Promotor: C.J. ten Cate

uman skin equivalents (HSEs) are in vitro 3D-skin models that mimic many aspects of the native human skin (NHS) and can be a valuable tool.

What is leadership? Can it be taught, and if so, how? The International Leiden Leadership Programme (ILLP) helps students find their own style, say ILLP graduate Marko Simovski and his former coach Annah Neve in an interview: 'It’s about you, discovering you.'

What is movements and corridors of the Bornean pygmy elephant in Sebuku forest? What is the nature of human-elephant conflict in Nunukan District in time and space? What are the diets of the Bornean elephants related to crop raiding?

Accumulation of metals in economy and environment and its associated risks, within the Netherlands and the EU.

Op 10 november 2021 verdedigde Carmel van Niekerk-Jacobs het proefschrift 'Realising the right to reproduce with assistance in South Africa'. Het promotieonderzoek is begeleid door prof.dr. J.J. Sloth-Nielsen en prof.dr. T. Liefaard.

The aim of this project was to estimate emissions from lead products-in-use for the past, the present and the future and assess the development of toxicological risks associated with these products.

What is the current relevance of the ethics of counterterrorism and what is the added value of ethics support within the practice of counterterrorism?

Promotor: W. Jaffe, Co-promotor: K. Meisenheimer

An interdisciplinary collection of the best international scholarship on Muslim youth.

Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.

Sociale Wetenschappen, Centrum voor Wetenschaps- en Technologiestudies

Description of The Regional Network on the Synergy between the Convention on Biological Diversity and the UN Convention to Combat Desertification.

Promotor: Prof.dr. A.P. IJzerman, Co-Promotor: L.H. Heitman

It is an established fact that the Standard Model has to be extended to explain the so-called Beyond the Standard Model (BSM) phenomena: dark matter, matter-antimatter asymmetry of the Universe and neutrino flavour oscillations.

Corruption, integrity (or a lack thereof…) and public values are near omnipresent elements in public administration and politics of all times. Cases of corrupt public officials and politicians continuously emerge. Strangely enough, however, it often remains unknown what actually occurred, how something…

Announcement of a new publication by Janneke Verheijen, lecturer at the Institute of Cultural Anthropology and Development Sociology.

Whilst government’s ability to design ‘context-specific’ regional innovation policy is generally assumed to depend on the region’s decision-making power, the aim of this study is to investigate how regional government matters. In order to open up the black box of policy design, the study develops a…

The class-imbalance problem is a challenging classification task and is frequently encountered in real-world applications. Various techniques have been developed to improve the imbalanced classification performance theoretically and practically.

Sociale Wetenschappen

What happens to electrical waves that have to cross gaps in insulation material around nerves in the human body

Governance and Global Affairs, Instituut Bestuurskunde

The spindle-assembly checkpoint (SAC) is a safety mechanism which secures accurate chromosome segregation during mitosis.

Promotores: W.T. de Groot, M. Tchuenté, Co-promotor: J.P. Cheylan

What is the role of the rebound effect in achieving environmental savings from transport eco-innovation? Are traditional definitions of the rebound effect adequate in the context of transformative innovations and multidimensional environmental issues?

Rechtsgeleerdheid

Wetlands provide many ecosystem goods and services which include fish production. The sustainability of small-scale fisheries (SSF) has received considerable attention in recent years because fish is one of the major sources of animal protein to a considerable fraction of the global population which…

What is the population size and social structure in time and space? What is the lion diet and food preference in time and space? What is the home range (MCP and Kernel) and movement in time and space? What are human – lion conflict and responses of lions to traditional herding in time and space? What…

Pulsars were first discovered in 1967 and since then the population has grown and expanded over several wavelengths.

Students Practicing Citizen Journalism

OB associations are loose groups of young, massive stars. They constitute the last stage of the massive starformation process, and the context in which new stars are formed.

In this dissertation iron-based homogeneous catalysts were synthesized, characterized and investigated for water oxidation activity.

Aspergillus niger is an important industrial producer of organic acids and enzymes producing large amounts of spent fungal biomass.

Promotor: Prof.dr. J. Kuiper