572 zoekresultaten voor “zhang en well” in de Publieke website
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Functions of leptin in tuberculosis and diabetes: multi-omics studies across species
In this thesis, I study 1) metabolic alterations in tuberculosis related to wasting syndrome in human patients as well as in rodent and fish animal models. 2) effects of the mutation of the leptin gene on cachexia and diabetes in rodent and zebrafish animal models.
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Mechanism-based inhibitors and probes for neuraminidases
Neuraminidases are enzymes that cleave glycosidic linkages of sialic acid. These enzymes are involved in influenza infections as well as in many cellular processes in mammals and micro-organisms.
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Princes and Prophets: Democracy and the Defamation of Power
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.
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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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Information Diffusion Analysis in Online Social Networks based on Deep Representation Learning
With the emergence of online social networks (OSNs), the way people create and share information has changed, which becomes faster and broader than traditional social media.
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Essentiality of conserved amino acid residues in β-lactamase
Evolution acts via mutations in amino acid sequences. Substitution of essential amino acids leads to a nonfunctional protein. l.
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Kernteam
Binnen FSW is er een kernteam gevormd met contactpersonen binnen de instituten en op faculteitsniveau.
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Health, Ageing and Society (Msc)
Discover the master program Health, Ageing and Scoiety at Leiden University and contribute to a future proof health care system. Read more.
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Huisvesting
Wat doet de Universiteit Leiden om haar gebouwen en campussen toekomstbestendig en onafhankelijk van fossiele energie te maken?
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Empathic or anxious mistakes?
A neurocognitive investigation of the development of social performance monitoring in youth growing up in stressful versus non-stressful environments
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An Institutional Perspective on the United Nations Criminal Tribunals: Governance, Independence and Impartiality
Op 18 september 2019 verdedigde Huw Llewellyn zijn proefschrift 'An Institutional Perspective on the United Nations Criminal Tribunals: Governance, Independence and Impartiality'. Het promotieonderzoek is begeleid door promotoren prof.dr. N.M. Blokker en prof.dr. L.J. van den Herik.
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Dynamical Gibbs-non-Gibbs transitions: a study via coupling and large deviations
Promotores: F.H.J. Redig, W.T.F. den Hollander
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Iber Kasehatan in Sukamiskin: Utilisation of the Plural Health Information and Communication System in the Sunda Region of West Java, Indonesia
This study has been carried out in the community of Sukamiskin, a kelurahan (‘village’) in Bandung, the Capital of West Java Province, located in the Sunda Region of Indonesia.
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Electrocatalysis in Confinement: Metal-Organic Frameworks for Oxygen Reduction
The confinement of molecular catalysts in metal-organic frameworks has the potential to lead to significant improvements in selectivity, long term activity and catalyst stability.
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Algorithms for Analyzing Evolving Networks on the Dark Web & in Science
To answer questions that look beyond individual entities, network science studies the interactions taking place in complex systems. These complex systems can often have temporal information on when an interaction occurs.
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Agressieve tumoren effectiever behandelen met licht
Dankzij een nieuw medicijn hebben kankerbehandelingen in de toekomst mogelijk een stuk minder bijwerkingen. Door het medicijn te combineren met licht, doodt het alleen tumorcellen, zonder ook gezonde cellen aan te vallen. ‘We kunnen al zeggen dat het veelbelovend is’, zegt biochemicus Liyan Zhang bij…
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NMR studies of protein-small molecule and protein-peptide interactions
Promotor: M. Ubbink, Co-promotor: G. Siegal
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Atom addition reactions in interstellar ice - new pathways towards molecular complexity in space -
Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen
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Hydrogen dissociation on metal surfaces
Dissociative chemisorption is an important reaction step in many catalytic reactions.
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Macrophage activation and cholesterol in atherosclerosis development
Promotores:Th.J.C. van Berkel, M. van Eck
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Systematics and Biogeography of the Dissochaeta alliance (Melastomataceae)
Dissochaeta Blume (Melastomataceae, tribe Dissochaeteae) is well-known as a scrambling plant genus found in Southeast Asia, where it is an inhabitant of the tropical rainforests or evergreen forests.
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Synthesis and applications of cell wall glycopolimer fragments from Staphilococci and Enterococci
Carbohydrates are present on the surface of bacteria making them suitable antigen candidates for vaccine development. This thesis deals with the synthesis of two carbohydrate-based components; the capsular polisaccharide of S. aureus type 5 and teichoic acids from staphilococci and enterococci speci…
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Fluorescence Polarization Activity-Based Protein Profiling on Retaining Glycosidases
Glycosidases are important enzymes in the turnover of polysaccharides and glycoconjugates, and are involved in a range of human pathologies including genetic disorders such as Gaucher and Pompe disease, but also in various cancers.
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Galaxy formation traced by heavy element pollution
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.
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The parabolic Anderson model on Galton-Watson trees
The parabolic Anderson model (PAM), which is the Cauchy problem for the heat equation with random potential. The PAM is a mathematical model that describes how mass (i.e. matter or energy) flows in a medium in the presence of a field of sources and sinks.
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Surface-structure dependencies in catalytic reactions
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
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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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Assessing global regionalized impacts of eutrophication on freshwater fish biodiversity
Freshwater biodiversity has been threatened by eutrophication due to excessive nutrients in the environment. Releasing the freshwater species from such pressures requires efforts from industry and manufacturers to avoid emissions to vulnerable and high-risk regions.
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Topologies and convergence structures on vector lattices of operators
This thesis consists of three papers that are centered around the common theme of Hausdorff uo-Lebesgue topologies and convergence structures on vector lattices and on vector lattices and vector lattice algebras of order bounded operators.
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To affinity and beyond: novel molecular tools to explore solute carrier transport proteins
Despite being the second largest transmembrane protein family after GPCRs, the SLC superfamily has only gained significant attention in early drug development over the past decade.
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Measures and Matching for Number Systems
This thesis provides explicit expressions for the density functions of absolutely continuous invariant measures for general families of interval maps, that include random maps and infinite measure transformations, not necessarily number systems.
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Optoplasmonic detection of single particles and molecules in motion
Detecting nanoscopic objects plays an important role in nanoscience in particular, in the rapidly growing field of nanobiology. The forebear to modern super-resolution microscopy for single molecule investigation, is fluorescence microscopy.
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Discrete tomography for integer-valued functions
Promotor: S.J. Edixhoven, Co-promotor: K.J. Batenburg
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Accurate modeling of the dynamics of dissociative chemisorption on metal surfaces
Fundamental understanding of molecular reactions on metal surfaces is important for improving heterogeneous catalysis.
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Reliable and Fair Machine Learning for Risk Assessment
The focus of this thesis is on the technical methods which help promote the movement towards Trustworthy AI, specifically within the Inspectorate of the Netherlands.
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Thiosugars: reactivity, methodology and applications
Carbohydrates, alongside proteins and nucleic acids, constitute a crucial and versatile family of biomolecules present in all life forms. They manifest as monosaccharides, oligosaccharides, and polysaccharides, covalently bonded to proteins and fats. Carbohydrates are integral to plant and arthropod…
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Investigations on the role of impaired lysosomes of macrophages in disease
The research described in this thesis combines the latest insights in lysosomal function with lysosome centred cell signalling.
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Hydrogen dissociation on metal surfaces
Promotor: G. J. Kroes
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The diverse roles of integrin α3β1 in cancer: Lessons learned from skin and breast carcinogenesis
In this thesis, we aim to shed light on the diverse and often opposing roles of integrin α3β1 in cancer.
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Development of an in vitro vascular network using zebrafish embryonic cells
One of the major limitations in culturing complex tissues or organs is the lack of vascularization in the cultured tissue. Development of a functional capillary bed could overcome this problem.
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Copper complexes for bioinspired electrocatalysis relevant to the reduction of oxygen
This thesis advance our understanding and the application of molecular catalysts relevant to the reduction of oxygen as well as reduction of nitrite.
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FSW Kernteam
Binnen FSW is er een kernteam gevormd met contactpersonen binnen de instituten en op faculteitsniveau.
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Unraveling the surface formation of regular and deuterated water in space: a combined laboratory and computational study
Promotor: Prof.dr. H.V.J. Linnartz
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Design and development of a comprehensive data management platform for cytomics: cytomicsDB
Promotor: Prof.dr. J.N. Kok
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Organisational & Entrepreneurial Behaviour
De onderzoeksgroep Organizational & Entrepreneurial Behavior onderzoekt het gedrag van individuen en groepen die in organisaties werken, organisaties starten, of organisaties leiden, met als doel om organisatorische praktijken te informeren. Door zich te concentreren op het gedrag van (groepen) werknemers,…
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Nanodeeltjes – redox eiwit biohybriden
Kunstmatige fotosynthese heeft als doel om via chemische processen zonne-energie om te zettn in brandstof. Semi-kunstmatige fotosynthese is een hybride aanpak waarbij chemische maar ook biotechnologische processen worden gebruikt. Wij hebben als doel om een hybride systeem te ontwikkelen met behulp…
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Image and Identity in Chinese Historic Houses
How and to what extent the historic house (re-)constructs identity through image-making in China.
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Motivatie heeft geen invloed op de onderwijskwaliteit
Xin Zhang, promovendus bij het ICLON, deed onderzoek naar de relatie tussen leermotivatie van docenten en de kwaliteit van hun onderwijs. Promotie op 6 juli.
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Transfer Learning in Deep Reinforcement Learning and Procedural Content Generation
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…
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Euraziatische Rijken. Integratieprocessen en identiteitsvorming
What holds people together and what makes them willing to fit within larger political structures? Our project examines this question in the practices of dynastic rulership in Eurasia ca. 1300-1800.