361 zoekresultaten voor “dark energy” in de Publieke website
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Nieuwe stap in zoektocht naar oorsprong donkere materie
Een signaal dat zowel in het centrum van ons Melkwegstelsel voorkomt, als op afgelegen plekken in het heelal, laat mogelijk de oorsprong van donkere materie zien. Dat concludeert de Leidse natuurkundige Alexey Boyarsky in een artikel in Physical Review Letters.
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Functional brain responses in the maintenance of energy balance
Promotie
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Latency, Energy, and Schedulability of Real-Time Embedded Systems
Promotie
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The role of the tumor suppressor Lkb1 in energy homeostasis
Promotie
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Studying dark matter using weak gravitational lensing: from galaxies to the cosmic web
Promotie
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Explorations of Water Oxidation Catalysis in Explicit Solvent
In the search for sustainable energy solutions, the idea of artificial photosynthesis has been proposed as an approach with which to use water and sunlight to produce hydrogen.
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Creating Global Scenarios of Environmental Impacts with Structural Economic Models
To limit the effects of climate change, global average temperature since pre-industrial measurements are to be kept well below 2 °C preferably even at 1.5 °C.
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Linking the gene regulatory network with the functional physical structure of whole-genome engineered Arabidopsis mutants : an HR-MAS NMR-based
Climate change is a challenge for both current and future generations. New biological resources have to be developed in order to meet the demand for energy as well as the demand for food.
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A computational study of structural and excitonic properties of chlorosomes
The long-held desire - to link structure directly to function and to explain molecular mechanisms based on basic chemical or physical principles - is finally coming closer, satisfying not only our scientific curiosity but also offering new solutions to the many challenges in the field of health, energy…
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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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Grote NWO-subsidies voor onderzoek donkere materie en quantumexperimenten
Sterrenkundige Koen Kuijken en natuurkundige Tjerk Oosterkamp krijgen ieder een grote subsidie van NWO. Hiermee gaan zij nieuwe onderzoeksfaciliteiten bouwen.
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2016 | Night Cultures: (il)legalities an the politics of life after dark
Cursus
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Caging ruthenium complexes with non-toxic ligands for photoactivated chemotherapy
The main goal of the research described in this thesis was the development of new photoactivated chemotherapy (PACT) ruthenium(II) complexes bearing a non-toxic photolabile ligand.
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Functional characterization and unraveling the Gene Regulatory Networks (GRNs) of HD-Zip transcription factor HB40 (and HB22) in Arabidopsis
In this Ph.D. thesis, we characterized two novel upstream regulators of JUB1, HB40, and HB22, in Arabidopsis thaliana. In Chapter 2, we described functions of HB40 in modulating growth and development via the regulation of JUB1 and GA inactivation genes GA2OXs.
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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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Sterile neutrinos in the early Universe
Promotor: A. Achúcarro, Co-promotor: A. Boyarsky
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Footprint family: Concepts, classification, integration, and benchmarking against planetary boundaries
How to bring together different footprints into an integrated family and what are the synergies? What are the roles of inventory analysis and characterization in measuring individual footprints and how these affect a footprint family? How to benchmark environmental footprints against related planetary…
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This Week’s Discoveries | 24 January 2017
Lezing
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On Multifield Inflation, Adiabaticity and the Speed of Sound of the Curvature Perturbations
Promotor: A. Achúcarro, Co-Promotor: G.A. Palma
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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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Waarom fundamentele wetenschap ertoe doet
Wat heb je aan fundamentele wetenschap? Veel, zo bewijzen de sprekers tijdens Science Matters. Dit symposium werd op 18 maart 2016 gehouden ter ere van het tweehonderd jarig bestaan van de Faculteit der Wiskunde en Natuurwetenschappen.
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Structured Parallel Programming for Monte Carlo Tree Search
The thesis is part of a bigger project, the HEPGAME (High Energy Physics Game). The main objective for HEPGAME is the utilization of AI solutions, particularly by using MCTS for simplification of HEP calculations.
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Rare Earth Supply Chain and Industrial Ecosystem: A Material Flow Assessment of European Union
1) Assess the trends in supply and production status of these critical minerals and mineral products worldwide and Europe’s dependence including on intermediate products such as permanent magnets, RE based super alloys, batteries, polishing compounds, phosphors, catalysts etc. 2) Trace the entire value…
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The environmental rebound effect: a new paradigm for an old challenge. The case of transport eco-innovation
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?
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This Week's Discoveries | 4 June 2019
Lezing
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Gast lezing door Ernst Worrell over: "Material Matter: Connecting Energy and Material Efficiency"
Lezing
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Promovendus maakt voorspellingen voor productie en detectie van steriele neutrino’s
Een natuurkundig model voorspelt het bestaan van steriele neutrino’s, wat drie grote vraagstukken uit de fysica zou oplossen. Om ze daadwerkelijk te vinden met een deeltjesversneller moeten onderzoekers weten hoe ze geproduceerd worden en hoe ze vervallen. Promovendus Kyrylo Bondarenko heeft hier voorspellingen…
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Genetic determinants of cholesterol and energy metabolism: Implications for cardiometabolic health
Promotie
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Transport coefficients and low energy excitations of a strongly interacting holographic fluid
Promotie
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Life Cycle Assessment-Based Guidance for development of New Energy Technologies
Promotie
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The formation of complex organic molecules in dense clouds-Sweet results from laboratory
Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.
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Sterrewacht Leiden
Sterrewacht Leiden is het sterrenkundig instituut van de Faculteit der Wiskunde en Natuurwetenschappen van de Universiteit Leiden.
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Science & Cinema
In films kunnen de meest wonderlijke acties plaatsvinden. Maar zijn die acties in de 'echte' wereld ook mogelijk? En in hoeverre houden filmmakers ons voor de gek? Tijdens het Leiden International Film Festival komen film en wetenschap samen.
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Growing oxide thin films in a Low-Energy Electron Microscope
Promotie
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Nieuwe techniek om geleiding te meten in gestapelde nanomaterialen
Leidse natuurkundigen hebben een nieuwe techniek ontwikkeld om elektrische geleiding te visualiseren in materiaal van gestapelde individuele atoomlagen. Jaap Kautz en Johannes Jobst, die dit jaar de NeVacprijs ontvingen voor hun onderzoek, publiceerden in Nature’s Scientic Reports.
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Role in the EU Low-carbon Transition: Rules, Standards, and Notions of Energy Justice
Lezing
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When materials become critical: lessons from the 2010 rare earth crisis
Promotor: G.J. Kramer Co-Promotor: E.G.M. Kleijn
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Vervolgopleidingen
Na het afronden van de bacheloropleiding volgen verreweg de meeste studenten de masteropleiding. De Universiteit Leiden stimuleert studenten om na hun bacheloropleiding door te gaan met de masteropleiding.
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Discovery and exploitation of the transcriptional regulatory system of pectinases in Aspergillus niger
Pectin is a plant cell wall polysaccharide made of mainly D-galacturonic acid (GA) subunits. The potency of the filamentous fungus Aspergillus niger to naturally secrete high amounts of pectinases to degrade pectin has been utilized for the industrial production of pectinases.
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Surface-structure dependence of water-related adsorbates on platinum
Promotor: M.T.M. Koper, Co-promotor: J.B.F. Juurlink
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On the Power Efficiency, Low latency, and Quality of Service in Network-on-Chip
In multi/many-core System-on-Chips (SoCs), the performance is almost linearly scaling with the number of processing elements.
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Disorder and interactions in high-temperature superconductors
This thesis is devoted to an in-depth examination of the various effects of disorder in the cuprate high-temperature superconductors.
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Origami metamaterials : design, symmetries, and combinatorics
In the first part of this thesis we study the geometry of folding patterns.
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Aria of the Dutch North Sea
Promotores: C. J. ten Cate; M. A. Ainslie. Co-promotor: W. Slabbekoorn
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Centrum voor Milieuwetenschappen (CML)
Het Centrum voor Milieuwetenschappen (CML) is een instituut van de faculteit Wiskunde en Natuurwetenschappen aan de Universiteit Leiden.
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Improvisations in phototrophy
Microbial rhodopsins are photosensitive pigments implemented in the growth and adaptation of a large population of microorganisms.
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Hydrocarbons in interstellar ice analogues: UV-vis spectroscopy and VUV photochemistry
Promotor: Prof.dr. H.L.V. Linnartz
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Knots in plasma
A plasma is an ionized gas with very low electrical resistivity. As such, magnetic field lines are 'frozen in' and move with the fluid. Magnetic field lines that are linked, knotted and tangled, cannot be undone by the fluid motions.
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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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HIIT
HIIT staat voor High Intensity Interval Training, een term die we de laatste tijd steeds vaker in de fitness tegenkomen. High Intensity Interval Training of HIIT, is een circuit gebaseerde high energy mix van cardio- en krachtoefeningen. Wetenschappelijk is bewezen dat dit een van de meest effectieve…