229 zoekresultaten voor “lighting” in de Publieke website
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Shining Light on Interstellar Matter
Promotor: H.V.J. Linnartz
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Guiding blood vessels with laser light
Bussmann
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Casting light on the ƞ Carinae puzzle
Promotor: Prof.dr. V. Icke, Co-Promotor: T.I. Madura
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The connection between mass and light in galaxy clusters
Promotor: Koen Kuijken Co-promotor: Henk Hoekstra
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Effects of light at night on plants and their interactions with other species
What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?
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Towards in-cell structural study of light-harvesting complexes : an investigation with MAS-NMR
Light-Harvesting Complex II (LHCII) is responsible for light absorption and excitation energy transfer in plants and photosynthetic algae, while in high light it undergoes conformational changes by which it quenches excitations to prevent photodamage.
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nanovesicles for the activation of ruthenium anti-cancer prodrugs with red light
Promotor: E. Bouwman, Co-promotor: S. Bonnet
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In vitro investigation of the photoprotection mechanism of Light Harvesting Complex II
Solar energy is used by photosynthetic organisms to drive energy required cellular processes. Is absorbed by two groups of pigments, located in the LHCs.
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response against mycobacterial infection: analysis by a combination of light and electron microscopy
Promotores: Prof.dr. H.P. Spaink & Prof.dr. P.C.W. Hogendoorn Co-promotor: Dr. M.J.M. Schaaf
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Lasers, lenses and light curves: adaptive optics microscopy and peculiar transiting exoplanets
Promotores: Prof.dr. C.U. Keller, Prof.dr. H.C. Gerritsen
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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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Historical drivers at the regional and sectoral levels and projections in light of policy
This thesis studied in depth the energy use and CO2 emissions of the industrial sector in China.
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Historical drivers at the regional and sectoral levels and projections in light of policy targets
Has the industrial sector in China effectively been decarbonizing in recent years, across different regions and subsectors, and is it plausible that it will reduce its CO2 emissions in conformity with national and internationally pledged emission goals?
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First Light voor 3D-spectrograaf MUSE
De 3D-spectrograaf Multi Unit Spectroscopic Explorer (MUSE) is met succes geïnstalleerd en in gebruik genomen op de Very Large Telescope op Cerro Paranal, Chili. MUSE heeft tijdens zijn eerste waarnemingsperiode gekeken naar verre sterrenstelsels, heldere sterren en andere testobjecten. De Sterrewacht…
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Vincent Icke bij DWDD over documentaire Einstein's Light
Deze week ging de documentaire ‘Einstein’s Light’ tijdens het Leiden International Film Festival (LIFF) in première.
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Story of Light Festival: magisch leren in India
Het Story of Light festival dat plaatsvindt van 14 tot 18 januari 2015 in Panaji, Goa in India, is een initiatief van Jaya Ramchandani, alumnus van de masteropleiding Astronomy and Science Based Business. Het festival valt onder ‘The International Year of Light’, een project van de VN om de wetenschappelijke…
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Scattering and absorption in 2D optics
Scattering of light in the presence of nano-structured materials, i.e. with features in the order of the wavelength of the light or smaller, reveals details of how light interacts with matter at the nanoscale.
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Zebrafish embryos and larvae as a complementary model for behavioural research
Promotor: Prof.dr. M.K. Richardson
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Coherent dynamics in solar energy transduction
Promotor: Prof.dr. H.J.M. de Groot, Co-promotor: Francesco Buda
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Bioorthogonal Labeling Tools to Study Pathogenic Intracellular Bacteria
In this thesis, bioorthogonal chemistry is combined with correlative light-electron microscopy to selectively label and study pathogenic intracellular bacteria within the host immune cell.
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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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Sylvestre Bonnet
Wiskunde en Natuurwetenschappen
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Anjali Pandit
Wiskunde en Natuurwetenschappen
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Quantum dot microcavity control of photon statistics
During my PhD research, I studied the photon statistics of light emitted by a microcavity that contains a single quantum dot (QD) on resonance.
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Photo-activation of ruthenium-decorated upconverting nanoparticles
Metal-based prodrugs based on ruthenium(II) polypyridyl complexes have proven to be very suitable for application in both photodynamic therapy (PDT) and photo-activated chemotherapy (PACT).
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A bioorthogonal chemistry approach to the study of biomolecules in their ultrastructural cellular context
In this thesis the combinatorial use of bioorthogonal labelling and Electron Microscopy (EM)-based imaging techniques is explored to enable observations of specific molecular targets in their ultrastructural context within the cell.
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Light and nanoparticles against cancer
Lezing, This Week's Discoveries
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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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Hot Nanoparticles
Gold nanoparticles show surprisingly strong interactions with light in the visible range, which can be divided into scattering, absorption, and photoluminescence.
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Lipid bilayers decorated with photosensitive ruthenium complexes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
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Development of novel anti-cancer strategies utilizing the zebrafish xenograft model
In this thesis, we will utilize embryonic zebrafish tumour models to understand the interaction between engrafted human cancer cells and macrophages from the host, test drug administration modalities and anti-cancer efficacies of newly-developed PDT and PACT compounds, and test a light-triggered liposomal…
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Weighing the Dark: Cosmological Applications of Gravitational Lensing
Promotor: K. Kuijken, Co-Promotor: H. Hoekstra
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Shining Light on PAHs in Space
Promotie
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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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Gold nanorod photoluminescence: applications to imaging and temperature sensing
Promotor: M.A.G.J. Orrit
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Connecting dots between natural and artificial Photosynthesis
Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.
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The interplay between stars, gas and dust in faint star-forming galaxies
When observing star-forming galaxies, we are not only seeing stellar light, but we also see how this interacts with galactic gas and dust. This thesis contains studies of the stellar, nebular and dust properties of low mass star-forming galaxies.
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Inferno Worlds
A remarkable population of short period transiting rocky exoplanets with equilibrium temperatures on the order of 2,000 K has recently been discovered.
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Impact assessment modelling of matter-less stressors in the context of Life Cycle Assessment
Promotoren: Prof.dr. G.R. de Snoo en Dr. R. Heijungs
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Predicting the future: Predictive control for astronomical adaptive optics
The field of exoplanet research is rapidly advancing through the development of new technology, observing techniques, and post-processing methods.
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Molecular and Nano-Engineering with Iron, Ruthenium and Carbon: Hybrid structures for Sensing
Metal complexes and 2D materials like graphene were combined to produce structures that can function as sensors.
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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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Electroreduction of nitrate and carbon dioxide on copper electrodes: a mechanistic study
In this thesis we have discussed several parameters that affect the electrochemical conversion of enviromentaly harmful molecules such as nitrates and carbon dioxide to more valuable and less deleterious compounds, in order to cast light onto the mechanism of the reaction to achieve an efficient and…
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Plasmonic enhancement of single-molecule fluorescence under one- and two-photon excitation
This thesis aims to improve the detection from ultra-weak single emitter by enhancing their emission properties with plasmonic nanostructures. We exploit the wet-chemically synthesized single crystalline gold nanorods (GNRs) as our basic frameworks in the whole studies, simply because of their unique…
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The Connection Between Mass and Light in Galaxy Clusters
Promotie
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Towards in-cell structural study of light-harvesting complexes
Promotie
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Role of near-surface environment in tuning electrochemical CO2 reduction reaction and H2 evolution reaction
This thesis has shed light on some of the ways in which the local electrolyte composition can differ from the bulk and how these changes in the local reaction environment can determine the activity and/or selectivity of two important electrocatalytic reactions, namely, electrochemical CO2 reduction…
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Exploring future multi-messenger Galactic astronomy
For centuries astronomers studied the Universe by collecting light. Nowadays, we are living in times of great technological advancements, which allow us to explore our Universe in a new way - though gravitational wave radiation.
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Squaramide-based supramolecular materials for 3D cell culture applications
A new type of tripodal squaramide-based supramolecular hydrogels is developed and studied.
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The role of water in hydrogen electrocatalysis
Promotor: M.T.M. Koper, Co-promotor: L. Juurlink