1,688 zoekresultaten voor “african from” in de Publieke website
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Discovery of novel Antibiotics from Actinomycetes by Integrated Metabolomics & Genomics Approaches
Promotor: G.P. van Wezel, Co-promotor: Y.H. Choi
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Observing what cannot be observed: computational electrochemistry from carbon to hydrogen
In this thesis, we consider various (electro)chemical phenomena at surfaces and nanoparticles and their underlying atomistic processes, which we studied using first-principles methods such as density functional theory.
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challenges for IoT technologies in sustainable supply chain operations: from industries to products
IoT technology poses serval opportunities to supply chains. This thesis employs grey correlation and forecasting models, system dynamics, agent-based modeling, and ex-ante LCA to investigate and quantify the opportunities and risks of IoT-enabled sustainable supply chain operations from both industrial…
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Insights from modeling metabolism and amoeboid cell motility in the immune system
This thesis focuses on two processes involved in fighting infections: metabolism and immune cell motility and navigation.
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Feedback from deeply embedded low- and high-mass protostars. Surveying hot molecular gas with Herschel
Promotor: Prof.dr. E.F. van Dishoeck, Co-Promotor: G.J. Herczeg
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Leiden Centre on East African Law traint commissarissen van Oost-Afrikaanse mededingingsautoriteit
Op 28 en 29 augustus verzorgden Dr. Ben Van Rompuy aen Dr. Armin Cuyvers een tweedaagse training aan de commissarissen van de nieuw opgerichte Oost-Afrikaanse mededingingsautoriteit.
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Unraveling the mechanism of multicopper oxidases: from ensemble to single molecule
Promotores: Prof.dr. G.W. Canters, Prof.dr. T.J. Aartsma
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Corporate venture management in SMEs: evidence from the German IT consulting industry
Promotor: Prof.dr. B.R. Katzy, Prof.dr. H.J. van den Herik, Prof.dr. G.H. Baltes (University of Applied Sciences Konstanz)
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Mast cells in advanced atherosclerosis: from human plaque stability to new therapeutic targets
In this thesis, the role of mast cells in atherosclerosis and novel therapeutic strategies to inhibit atherosclerosis progression are discussed. The first part of the thesis specifically focuses on the relation between mast cells and advanced human atherosclerotic plaque characteristics.
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Winds in the AGN environment: new perspectives from high-resolution X-ray spectroscopy
Promotor: J.S. Kaastra Co-promotor: E. Constantini
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Safe anytime-valid inference: from theory to implementation in psychiatry research
Classical statistical methods, such as p-values, are difficult for researchers to apply correctly. They for example do not allow drawing conclusions from a study early, or for extending a study with extra research groups that want to make their data available later.
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crenarchaeal chromatin: A biophysical characterization of chromatin proteins from Sulfolobus solfataricus
Promotor: Jaap Brouwer, Co-promotor: Remus Th. Dame
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From a Biased Perspective: Quasars, Mergers, and Planet-Forming Discs
This thesis is a (biased) journey through very different topics in astrophysics: quasars and new populations of active galactic nuclei, gravitational waves from merging black holes, and protoplanetary discs around young stars.
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belowground interactions in Jacobaea vulgaris: zooming in and zooming out from a plant-soil feedback perspective
In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…
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Quantum dots in microcavities: From single spins to engineered quantum states of light
A single self-assembled semiconductor quantum dot in a high-finesse optical microcavity - the subject of this thesis - is an interesting quantum-mechanical system for future quantum applications. For instance, this system allows trapping of an extra electron and thus can serve as a spin quantum memory,…
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Liposome-based vaccines for immune modulation: from antigen selection to nanoparticle design
Nanoparticles can be used as delivery systems for both small molecules and macromolecules such as proteins, peptides or oligonucleotides. This thesis focuses on the use of liposomes, nanometric vesicles formed by a lipid bilayer enclosing an aqueous core. Liposomes are highly versatile delivery syst…
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Learning from nature: using plant-soil feedback principles to improve growth and health of a horticultural crop
Plants and soils from natural ecosystems harbor great diversity of soil microorganisms, which could potentially contribute to the sustainability of horticulture. The knowledge about using wild plant species and soil from natural ecosystem to improve the crop health will advance the application of ecological…
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Dosing considerations for preterm neonates: from pharmacometrics to clinical practice
Prematurely born neonates require, amongst others, pharmaceutical therapy. Dosing guidelines for these therapies are often based on data from term born neonates or older infants, while these are not necessarily similar to prematurely born neonates.
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Reconstructing Magnetic Fields of Spiral Galaxies from Radiopolarimetric Observations
Promotor: H.J.A. Röttgering, Co-promotor: M. Haverkorn
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From midplane to planets : the chemical fingerprint of a disk
This thesis addresses the chemical processes that determine the compositions of giant planet atmospheres.
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Antibiotic Discovery: From mechanistic studies to target ID
The investigations described in this thesis lay out strategies aimed at advancing antibiotic research and development. The examples presented revolve around two main approaches: understanding drug-target interactions and target identification.
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Reasoning about object-oriented programs: from classes to interfaces
Throughout the history of computer science, a major challenge has been how to assert that software is free of bugs and works as intended. Software bugs can lead to serious negative impacts on any software system. Throughout the main body of the thesis, we implemented a series of studies on exploring…
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Volatile compounds from Actinobacteria as mediators of microbial interactions
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.
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Spectroscopic characterization of exoplanets: From LOUPE to SINFONI
Over the past years it has been discovered that the population of extra-solar planets is large and diverse.
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Shape Analysis for Phenotype Characterisation from High-throughput Imaging
We have studied shape with a particular focus on the zebrafish model system. The shape is an essential appearance of the phenotype of a biological specimen and it can be used to read out a current state or response or to study gene expression.
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Departing from Java. Javanese Labour, Migration and Diaspora
Vanaf de koloniale tijd tot heden hebben grote aantallen Javanen hun woonplaats verlaten om zich in andere delen van Indonesië of veel verder weg te vestigen. Vaak was deze spreiding gedwongen, vaak met traumatische gevolgen.
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The holographic glass bead game: from superconductivity to time machines
Promotores: Prof.dr. J. Zaanen, Prof.dr. K.E. Schalm
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Insights from scanning tunneling microscopy experiments into correlated electron systems
This thesis presents insights from our study of various correlated electron systems with a scanning tunneling microscope (STM). In ordinary metals, electron-electron interactions exist, but get substantially screened due to the sheer number of electrons.
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Synthesis of D-alanylated wall teichoic acids from staphylococcus aureus
This Thesis describes the synthesis of D-alanylated ribitol-based wall teichoic acids from S. aureus to probe their interaction with immune-binding partners.
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Electoral Systems and Turnout: Evidence From a Regression Discontinuity Design
Electoral Systems and Turnout: Evidence From a Regression Discontinuity Design. In dit artikel, gepubliceerd op de website SAGE research methods, bespreken auteurs Jaroslaw Kantorowicz en Tobias M. Hlobil hoe een Regression Discontinuity Design uitgevoerd kan worden.
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Unconditionally secure cryptographic protocols from coding-theoretic primitives
This dissertation presents new cryptographic protocols, which can be divided into two families.
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British heatwave discourse (1985–2023): from ice cream to armageddon?
In dit artikel onderzoeken Thijs van Dooremalen en Philip Smith hoe het publieke discours over hittegolven is verschoven in Britse kranten.
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From grains to planetesimals: the microphysics of dust coagulation
Promotor: Prof.dr. A.G.G.M. Tielens, Prof.dr. C. Dominik (UvA)
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CvB bezoekt African Studies Centre: ‘Wij werken vanuit Afrikaanse perspectieven’
Van de energietransitie in Namibië tot duurzame werkgelegenheid voor Nigeriaanse jongeren, van Afrikaanse kookboeken tot vodcasts over vintage Swahili pockets: tijdens een bezoek van het College van Bestuur etaleerden collega’s van het African Studies Centre Leiden en de African Library hun werk op…
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Going global to local: achieving agri-food sustainability from a spatially explicit input-output analysis perspective
The global agri-food system plays a critical role in food security and environmental issues.
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From data to models: reducing uncertainty in benefit risk assessment: application to chronic iron overload in children
Promotor: Prof.dr. M. Danhof, Co-promotor: O.E. Della Pasqua
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Draagbare islam: Swahilische literaire netwerken in de Indische Oceaan
De Swahilikust kent een lange geschiedenis van transoceanische islamitische verbindingen die teruggaat tot de 25e eeuw. Toch heeft de boekdrukkunst de wereld veranderd; niet alleen de onze. In dit project worden unieke vormen en archieven van intellectuele geschiedenis ontrafeld die vanuit Zuid-Zuid-verbindingen…
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From the Rule of Law to a Culture of Justice: a Practitioner’s Challenge to Policy Thinkers
Irene Khan, expert op het gebied van mensenrechten, werpt een aantal vragen op: Wat kan men verstaan onder een ‘Culture of Justice’? Wie bepaalt wat 'Justice' is? Hoe realistisch is de bevordering van ‘Rule of Law’ en ‘Justice’ in landen waar sprake is van ernstige conflictsituaties en armoede?
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Genetic diversity in the lion (Panthera leo (Linnaeus 1758)): unravelling the past and prospects for the future
Promotor: Prof.dr. G.R. de Snoo
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The Invisible History of the United Nations and the Global South - INVISIHIST
The main aim of this project is to reveal and unravel the invisible histories of the UN, transcending the dominant Western perspective to recover the historical agency of Global South actors. The research will investigate how the UN has both facilitated and limited their role in shaping global order…
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Multifunctional polypept(o)ide miktoarm star polymers for advanced drug delivery: from the development of versatile synthetic strategies for PeptoMiktoStars
With an emphasis on developing novel miktoarm star polymers termed PeptoMiktoStars, this thesis leverages asymmetric polymeric polypept(o)ide frameworks to advance their effectiveness in delivering hydrophobic drugs and nucleic acids.
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Afrika-Studiecentrum Leiden
Afrika heeft een bevolking van 1,5 miljard mensen. In 2050 zal dit aantal naar verwachting stijgen tot 2,5 miljard. De impact van het continent op de wereldeconomie en samenlevingen, maar ook op het milieu, zal daardoor enorm toenemen.
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Studying dark matter using weak gravitational lensing : from galaxies to the cosmic web
Of all the mass in our Universe, 80% is thought to consist of a hypothetical and invisible substance called dark matter (DM).
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Transfer of "goods" from plants to humans: Fundamental and applied biochemical investigations on retaining glycosidases
The studies described in this thesis deal with glycosidases, in particular alpha-galactosidases.
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From stress to success; How actinobacteria exploit live without a cell wall
The aim of this thesis was to study phage infection in Streptomyces, focused on cell wall-deficient cells. Bacteriophages (or phages in short) attach to the cell wall of bacteria after which they replicate and lyse the host cell.
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What sets extremists who use terrorist violence apart from those who do not?
Dit artikel levert een bijdrage aan een groeiend aantal onderzoeken naar radicalisering. Het richt zich specifiek op het onderscheid tussen individuen die radicalisering en daardoor betrokken raken bij terroristisch geweld en individuen die radicaliseren maar niet betrokken raken bij geweld.
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Group benefits from genomic instability: a tale of antibiotic warriors in Streptomyces
Streptomyces are filamentous bacteria that produce more than two-thirds of known antibiotics.
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Self-assembly of flexible and rigid structures: from colloidal molecules to lattices
Self-assembly offers a promising route to create complex structures and materials using simple building blocks. Through, colloidal self-assembly, we can understand the governing principles of the self-assembly process and unlock its potential in diverse applications in materials science, photonics and…
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Bottlenecks and opportunities for improvement in cybercrime handling: Insights from Dutch police practice
De auteurs onderzoeken de afhandeling van cybermisdaadzaken door rechtshandhavers.
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Exploring the chemical space of natural products from Streptomyces using multi-omics approaches
The increasing resistance of pathogenic bacteria to antibiotics necessitates the discovery of new medicines.