768 zoekresultaten voor “active some matter” in de Publieke website
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Black Lives Matter - Musea bekennen kleur
Hoe zit het met de vertegenwoordiging van mensen van kleur in de kunst? Voelen jongeren van kleur ook hun normen en waarden weerspiegeld in de museumcollectie, vraagt Carolien Rieffe zich af. Ontwikkelingspsycholoog Rieffe brengt haar kennis van kinderen en jongeren in bij het nieuwe netwerk 'Musea…
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Summer school: Things that Matter (Groningen, June 2024)
In June 2024, the University of Groningen organizes a summer school, titled "Things that Matter". The Summer School explores challenges in digitizing source materials, questioning distinctions between physical and digital copies. It delves into the impact of virtual collections and criteria for digitization,…
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Visualizing strongly-correlated electrons with a novel scanning tunneling microscope
Materials with strongly correlated electrons show some of the most mysterious and exotic phases of quantum matter, such as unconventional superconductivity, quantum criticality and strange metal phase.
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Surface plasmon lasers
Surface plasmons (SPs) are surface waves at the interface between a dielectric and a good metal, and are formed by the interaction between light and the free electrons at the metal-dielectric interface. They provide strong field confinement for optical fields, opening new possibilities for enhanced…
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Black lives matter: waarom het Amerikaanse protest in Nederland resoneert
De directe aanleiding was de dood van George Floyd door politiegeweld, maar de Black Lives Matter-betogingen in de Verenigde Staten en hier in Nederland gaan over veel meer dan dat. We vroegen Karwan Fatah-Black, historicus op het gebied van de Nederlandse slavernijgeschiedenis, naar zijn analyse. ‘We…
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Radio galaxies near the epoch of reionisation
This thesis explores the theoretical and observational properties of distant massive galaxies that harbour active black holes in their centres and shine brightly at radio wavelengths.
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The dust and molecular gas in the torus of NGC 1068
An Active Galactic Nucleus (AGN) is a highly luminous region at the center of a galaxy, powered by the accretion into a supermassive black hole and emitting energy from radio waves to gamma rays, often outshining the host galaxy.
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A Matter of Skills: A Mixed-Method Study on the Evaluation and Implementation of an SEL Program Tailored to the Skills Adolescents Need in Educational
Promotie
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Geesteswetenschappers over de protesten rond Black Lives Matter
Karwan Fatah-Black sprak tijdens de Leidse protesten voor Black Lives Matter en sprak dit weekend in verschillende media over dit onderwerp. Ook Sara Polak, Gert Oostindie en Michiel van Groesen deelden hun kennis over de protesten en alles wat daaromheen gebeurt. Een overzicht van de berichten in de…
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The connection between mass and light in galaxy clusters
Promotor: Koen Kuijken Co-promotor: Henk Hoekstra
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eV-TEM: Transmission Electron Microscopy with few-eV Electrons
Electron microscopy has become an extremely important techniquein a wide variety of elds.
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Many objective optimization and complex network analysis
This thesis seeks to combine two different research topics; Multi-Objective Optimization and Complex Network Analysis.
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‘Flocking birds, marching penguins and the marvelous physics of active matter'
Lezing
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Astrophysical plasma modeling of the hot Universe: Advances and challenges in high-resolution X-ray spectroscopy
Hot astrophysical plasma is ubiquitous in the Universe, from comets in our Solar system to the largest scale structures -- the cosmic web filaments. These hot plasmas, with the temperature of a few millions of degrees, are often observed in the X-ray wavelength range.
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Assembling anisotropic colloidal building blocks
This PhD-thesis presents a study on micron-sized particles, so-called colloids. By controlling the chemical and physical properties of these particles, such as the interparticle interaction and the particles’ shape, colloids can act as building blocks that self-assembly into larger structures.
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Fatah-Black: ‘Ik zie geen duidelijke, blijvende impact van Black Lives Matter in Nederland’
De Black Lives Matter-beweging zette vorig jaar het racismedebat weer op de kaart, maar lijkt inmiddels weer naar de achtergrond te zijn verdwenen. Historicus Karwan Fatah-Black praat bij het Nederlands Dagblad over de impact van Black Lives Matter in Nederland.
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Gast lezing door Ernst Worrell over: "Material Matter: Connecting Energy and Material Efficiency"
Op Dinsdag 10 Maart 2015 - 10h zal Ernst Worrell, professor aan de Universteit Utrecht met een leerstoel op
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Luning and Van de Camp over onderzoeksprogramma Gold Matters op de NWO website
In een interview op de website van het NWO praten Sabine Luning, Marjo de Theije and Esther van de Camp over de goudzoekers die zij ontmoetten in Afrika en Zuid-Amerika.
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Rubiconbeurs voor Leidse natuurkundige: waarom groeien bladeren van een boom altijd in dezelfde vorm?
Promovendus Ludwig Hoffmann gaat dankzij een Rubiconbeurs die hij op 11 april won twee jaar naar Harvard University in de VS. Met behulp van theoretische modellen bestudeert hij biologische materialen, bijvoorbeeld tijdens de morfogenese. Dit is het proces waardoor weefsels of organismen hun vorm ontwikkelen.…
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Withstanding the cold: energy feedback in simulations of galaxies that include a cold interstellar medium
Understanding how galaxies form, interact, and evolve comes largely from comparing theory predictions with observational data. Numerical simulations of galaxies provide the most accurate approach to testing the theory, as they follow the non-linear evolution of gas and dark matter in great detail and…
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“This Path Is Full of Thorns”: Narrative, Subjunctivity, and HIV in Indonesia
In this article, Samuels focuses on the active fostering of subjunctivity in processes of narrative worldmaking. Drawing extensively from the narrative of an HIV‐positive woman in Indonesia, she shows that by subjunctively leaving open multiple narrative trajectories and future possibilities, individuals…
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Machine learning for radio galaxy morphology analysis
We explored how to morphologically classify well-resolved jetted radio-loud active galactic nuclei (RLAGN) in the LOw Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) using machine learning.
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Next generation bacitracin: reimagining a classic antibiotic
Given the accelerating appearance of antimicrobial resistance, there is an urgent need for more fundamental research into novel antibiotic strategies. The work in this thesis helps to address this global problem by developing new antibiotic compounds, inspired by the antibacterial mechanisms of the…
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The power of one qubit in quantum simulation algorithms
Quantum computing is an emerging technology, which holds the potential to simulate complex quantum systems beyond the reach of classical numerical methods.Despite recent formidable advancements in quantum hardware, constructing a quantum computer capable of performing useful calculations remains challenging.In…
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Nieuwe professor Luca Giomi creëert zijn eigen natuurkunde van levende systemen
Zwermen drones, voetgangers of de cellen in je lichaam. Dat zijn allemaal voorbeelden van actieve materie: materialen waarvan de bouwstenen autonoom kunnen bewegen. Dat is wat Luca Giomi bestudeert. Giomi is per 1 januari 2024 benoemd tot hoogleraar theoretische natuurkunde op het gebied van zachte…
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Active Learning
Didactiek
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Light Weighed: On the Statistics and Systematics of Weak Gravitational Lensing
In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.
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Plan B for particle physics: finding long lived particles at CERN
This thesis discusses the discovery potential of Intensity Frontier experiments.
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Black lives matter: ‘Racisme bestaat in allerlei vormen, maar is een wereldwijd probleem'
Het begon met betogingen vanwege de dood van George Floyd door politiegeweld in Minneapolis, maar de Black Lives Matter-protesten verspreiden zich snel over heel Amerika. Dagelijks gaan door heel het land duizenden mensen de straat op. We vroegen Amerika-deskundige Sara Polak hoe dat komt. ‘Na Ferguson…
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Fermions and Bosons: Excitons in strongly correlated materials
Promotors: Prof.dr. J. Zaanen, Prof.dr.ir. H. Hilgenkamp
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Activity-Based Proteasome Profiling
Promotor: Prof.dr. H.S. Overkleeft
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Evolutionary adaptability of β-lactamase: a study of inhibitor susceptibility in various model systems
β-Lactamases are enzymes that can break down β-lactam substrates, such as antibiotics, preventing the use of these antibiotics for the treatment of various infectious diseases. However, some compounds, β-lactamase inhibitors, can block these enzymes allowing for possible treatments using a combination…
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A chemical biology approach for targeting of ligand-drug conjugates
Promotores: H.S. Overkleeft, G.A. van der Marel, Co-Promotor: R.G. Boot
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Hoe zwermen vogels zonder te botsen? Inzicht in collectieve bewegingen in heterogene populaties
De Leidse natuurkundigen Alexandre Morin en Samadarshi Maity bestuderen zelforganisatie en flocking-verschijnselen. Ze werpen licht op zwermgedrag, wat helpt om te begrijpen hoe het kan dat vogels in een zwerm niet botsen. Met plastic microkralen creëerden ze een experimentele opstelling en ze ontwikkelden…
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Hoe uitzaaiende tumoren hun omgeving naar hun hand zetten
Tumoren gedragen zich als mini-orgaantjes, manipuleren hun omgeving en gebruiken lichaamseigen processen om te overleven en uit te zaaien. Door onderzoek van Erik Danen en zijn collega’s komen we steeds meer te weten over de complexe aard van tumorcellen. In het NRC vertellen de wetenschappers over…
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Hunting for the fastest stars in the Milky Way
The high velocity tail of the total velocity distribution of stars provides essential insight into fundamental properties of the Galaxy.
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Paul Wouters over wat de Black Lives Matter-beweging voor Sociale Wetenschappen betekent
De dood van George Floyd leidt nog dagelijks in de Verenigde Staten en daarbuiten tot felle protesten tegen politiegeweld en racisme. Wij vroegen Paul Wouters hoe hij deze ontwikkelingen ervaart en wat dit gaat betekenen voor onze faculteit.
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Superlattices in van der Waals materials: A Low-Energy Electron Microscopy study
n this PhD thesis, the recombination of different atomic lattices in stacked 2D materials such as twisted bilayer graphene is studied. Using the different possibilities of Low-Energy Electron Microscopy (LEEM), the domain forming between the two atomic layers with small differences is studied.
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Deciphering the complex paramagnetic NMR spectra of small laccase
Multicopper oxidase, laccase, can efficiently reduce oxygen to water and are mostly used in the enzymatic biofuel cells.
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Exposure and health Assessment of Persistent Organic Pollutants (POPs) at e-waste recycling site among workers in the informal sector in Nigeria
Do e-waste workers display enhanced effects of adverse health effects due to informal e-waste processing in Nigeria? Is there a difference between the health outcomes of the exposed and the control groups? Are there difference in health effects within and between job groups (collectors, dismantlers,…
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Dark Matters
Promotie
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Spatial populations with seed-bank
In populations with a seed-bank, individuals can temporarily become dormant and refrain from reproduction until they can become active again. The repository of all dormant individuals in the population is called the seed-bank. Seed-banks are observed in many taxa, including plants, bacteria and other…
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Family Matters
Promotie
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Topology and Geometry in Chiral Liquids
We study the interplay of topology and geometry with chirality for several passive and active systems, employing both analytical and numerical methods.
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Imaging of alkyne-functionalized ruthenium complexes for photoactivated chemotherapy
In photoactivated chemotherapy (PACT), a biologically active compound is caged by a light-cleavable protecting group.
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Targeting Human Proteasomes: Substrates, Inhibitors and Prodrugs
Large parts of the research described in this Thesis aims at the development of oligopeptide-masked toxins and their in situ immunoproteasome-mediated activation.
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Zilver en licht: een dodelijke combinatie die levens kan redden
Pakketjes van DNA-strengen met daarin zilver, slechts twee of drie nanometer groot. Leidse natuurkundigen Donny de Bruin en Dirk Bouwmeester maken deze pakketjes, die uit zichzelf levende cellen in gaan. Met licht activeren ze vervolgens het zilver waardoor de cellen kapotgaan. En dat kan weer helpen…
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Michel Orrit
Wiskunde en Natuurwetenschappen
orrit@physics.leidenuniv.nl | +31 71 527 2727
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Dirk-Jan Kok
Wiskunde en Natuurwetenschappen
d.d.kok@cml.leidenuniv.nl | +31 71 527 2727
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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.