866 search results for “magnetic resonance imaging mri ” in the Public website
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Quantum to Classical
In Quantum mechanics, particles can be in multiple positions simultaneously. Yet, when a measurement is made, the particle is found only in one place. Technology has come to a point where we may design experiments that will tell us how.
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Image gallery
This page is under construction.
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Updated MRI scanner ready for use
The updated MRI scanner at the Leiden Institute for Brain and Cognition (LIBC) will become operational on 29 September. The new version is faster and better than the current model.
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Distance-based analysis of dynamical systems and time series by optimal transport
Promotor: S.M. Verduyn Lunel
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Joost Batenburg about AI Leiden style: 3D images and ensuring AI belongs to everyone
Joost Batenburg is a mathematician and computer scientist who works to build bridges to other disciplines. He hopes to bring intelligent software to fields where it can make a difference. Conversely, he also seeks connections to the disciplines that are needed to make AI a success.
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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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Understanding protein complex formation: The role of charge distribution in the encounter complex
Protein–protein complexes are formed via transient states called encounter complexes that greatly influence the formation of the stereospecific complex.
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Uulke van der Heide
Faculteit Geneeskunde
u.vd.heide@nki.nl | +31 71 526 9111
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Vision and Imaging
On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…
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Imaging and Bioinformatics
On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…
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Images of Galois representations
Promotores: S.J. Edixhoven, P.Parent
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High-Contrast Imaging of Protoplanetary Disks
To study how planetary systems come into existence we study much younger systems still in formation.
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Andrew Webb wins Huibregtsen Prize for portable MRI scanner
Professor of Radiology Andrew Webb and his collaborative partner Johnes Obungoloch from Uganda have won the 2023 Huibregtsen Prize.
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Image analysis & storage
Obtaining imaging data is nowadays only the start of your project. Once the data has been acquired there are many things that still need to be done.
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Resonating Field
Multi-channel sound and video installation of the on-going project: Decomposing Landscape (2014 -).
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Dedicated image data handling
This page is under construction.
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of Radiation Pressure: Optical side-band cooling of a trampoline resonator and the effect of superconductivity on the Casimir force
This thesis consists of two subjects, that are both a consequence of radiation pressure.
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PLATO in one image
PLATO is a centre for research and development in education and training. 4 areas of expertise and 4 methods.
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On the optimization of imaging pipelines
In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…
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Andrew Webb receives 2017 Simon Stevin Master Prize
Andrew Webb, Professor of MRI Physics at LUMC and teacher at the Physics education at Leiden University, has been awarded the 2017 NWO Simon Stevin Master Prize. The prize includes a cash award of 500,000 euros. Webb is planning to use the prize to develop new MRI techniques that allow diseases to be…
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Geert-Jan Will
Faculteit der Sociale Wetenschappen
g.j.will@fsw.leidenuniv.nl | +31 71 527 2727
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Detection of Archaeological Sites in High Resolution Satellite Images
In this project we develop algorithms to automatically detect a particular type of archaeological sites in satellite images of the Alps.
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Computational optimisation of optical projection tomography for 3D image analysis
Optical projection tomography (OPT) is a tomographic 3D imaging technique used for specimens in the millimetre scale.
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Time Domain Imaging of Transient and Variable Radio Sources
This thesis focuses on the study of transient and variable radio sources in the universe.
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Exploring Deep Learning for Intelligent Image Retrieval
This thesis mainly focuses on cross-modal retrieval and single-modal image retrieval via deep learning methods, i.e. by using deep convolutional neural networks.
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From the root of variation: A metabolomics perspective to plant soil-feedback
By growing in a soil plants change the biotic and abiotic properties of the soil in which they grow.
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Applications of Natural Deep Eutectic Solvents to Extraction and Preservation of Biomolecules
The recently introduced nature-originated deep eutectic solvents, so-called natural deep eutectic solvents (NADES) are considered as truly green solvents, which composed of natural ingredients found abundantly in organisms.
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Winner Physics Image Award is Volkskrant Image of the Week
Vera Meester has won the annual Physics Image Award 2016, with her photo of 'smiling' colloids. The Volkskrant published the picture as Image of the Week.
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Image-based Computational Biology
In this research group, led by Dr. Joost Beltman, the aim is to employ mathematical and computational dynamical modelling approaches in order to quantitatively and mechanistically understand the dynamical behaviour and regulation of intracellular networks of genes, proteins and metabolites as well as…
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High-throughput quantification and unambiguous identification for metabolomics
The challenge of achieving fast quantification in metabolomics is the presence of severe matrix effects during the MS analysis of complex samples.
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Imaging complex model catalysts in action
From surface science towards industrial practice using high-pressure scanning tunneling microscopy.
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Culture: text and images in Japan
One of the ways of understanding another culture better is to examine what people experience when they read a text, or look at an image. Leiden experts have a lot of knowledge in this field, for example on culture in ancient Japan.
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Dynamic Nuclear Polarization agents
Dynamic nuclear polarization with paramagnetic agents can enhance nuclear magnetic resonance signals by orders of magnitude. The mechanism of enhancement depends a.o. on the magnetic resonance properties of the agents used. Electron spin relaxation times at NMR relevant magnetic field/microwave frequencies,…
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Magic Angle Spinning NMR structure determination in magnetic environments on the cover of SSNMR
First author Rubin Dasgupta, PhD student at the Biophysical Organic Chemistry & Macromolecular Biochemistry groups at the Leiden Institute of Chemistry has made the cover of the June edition of Solid State Nuclear Magnetic Resonance.
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Painting with starlight : optical techniques for the high-contrast imaging of exoplanets
This thesis describes the development and validation of new high-contrast imaging techniques, with the ultimate goal of enabling the next generation of instruments for ELT-class telescopes to directly image Earth-like extra-solar planets orbiting around nearby stars.
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Focal-plane wavefront sensors for direct exoplanet imaging: Theory, simulations and on-sky demonstrations
One of the key limitations of the direct imaging of exoplanets at small angular separations are quasi-static speckles that originate from evolving non-common path aberrations (NCPA) to which the primary adaptive optics system is inherently blind. The main focus of this thesis is the development and…
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Setup: MRFM
MRFM combines the principles of magnetic resonance and atomic force microscopy.
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Suppressing a Sea of Starlight: Enabling technology for the direct imaging of exoplanets
Promotor: Christoph U. Keller, Co-promotores: Matthew A. Kenworthy, Frans Snik
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Huub de Groot
Science
groot_h@chem.leidenuniv.nl | +31 71 527 4539
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LIBC Research Facilities
Research facilities within reach of LIBC members:
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High-contrast imaging polarimetry of exoplanets and circumstellar disks
Understanding the formation and evolution of planetary systems is one of the most fundamental challenges in astronomy. To directly image and study young exoplanets and the circumstellar disks they form from, dedicated high-contrast imaging instruments are built.
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Image analysis for gene expression based phenotype characterization in yeast cells
Promotores: T.H.W. Bäck, A. Plaat, Co-promotor: F.J. Verbeek
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Novel approaches for direct exoplanet imaging: theory, simulations and experiments
The next generation of high-contrast imaging instruments on space-based observatories requires sophisticated wavefront sensing and control in addition to a high-performance coronagraph.
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A new method to reconstruct the structure from crystal images
Promotor: J.P. Abrahams, Co-promotor: T. Grüne
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Colliding magnetic fields reveal unknown planets
Northern lights, stellar winds and exoplanets. This is what astronomer's PhD research revolved around. PhD candidate astronomer Rob Kavanagh developed mathematical models to better understand the interactions between exoplanets and stellar winds and to define features of exoplanets. He will receive…
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Spectral imaging and tomographic reconstruction methods for industrial applications
Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.
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Towards a political ontology of violence: reality, image and perception
The aim of this project is to study what makes an act or form of violence a specifically political reality.
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Flora in Utopias: On Thinking Through Moving Images
How do documentary moving images and fictional narratives involve and evolve each other?
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The Lead Zeppelin
As an alternative to the diving board shaped force sensor, we are now developing a magnetically levitated small superconducting particle – or ‘Lead Zeppelin'' – as our mechanical resonator. We explore routes towards detection of gravity between small objects.
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Images for the Music: Drawings and Secular Cantatas
The aim of this research is to investigate the informative potential of drawings and decorations in Italian secular cantata manuscripts from the seventeenth century.