2,268 search results for “single molecule spectroscopy” in the Public website
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Unlocking the potential of small molecules in cancer therapy
How can we translate more fundamental discoveries into clinical solutions for patients? From that question, the Oncode Accelerator programme emerged. Professor of Molecular Physiology Mario van der Stelt has been one of the driving forces behind it since its inception. In an interview on the website…
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Gas-surface reaction dynamics and surface science
The local ordering of atoms at the surface of a metallic particle determines its catalytic activity and selectivity. As energy systems of the future will be based on efficient catalytic conversion of small molecules in closed cycles, we study how structural effects of catalysts can be used to our ad…
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Natural deep eutectic solvents: A new green solvent from nature
- Which metabolites could be components of NADES? - How can we prove the presence of NADES in nature? - What are the roles of NADES in nature? - How to apply NADES in life sciences?
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From intracluster medium dynamics to particle acceleration
The intracluster medium (ICM) is a hot, tenuous and X-ray emitting gas that pervades galaxy clusters.
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Catalysis of the electrochemical water oxidation to oxygen
Promotor: M.T.M. Koper, Co-Promotor: F. Calle-Vallejo
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What do complex molecules tell us about star formation?
How do you progress from an immense gas cloud somewhere in the universe to a star with planets? Research by Astronomy PhD student Martijn van Gelder sheds more light on the earliest phases of this process. He will receive his doctorate on November 24th.
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NACTAR: The lugdunomycins: a new class of polyketide antibiotics with unique chemical scaffold
Aim of the proposal is to develop lugdunomycin into a drug candidate able to treat infectious diseases caused by multi-drug resistant pathogens.
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NMR Facility
Nuclear Magnetic Resonance (NMR) Spectroscopy is a non-destructive analytical technique that is used to study the nature and characteristics of molecules with an atomic level precision. It has a wide range of applications especially in synthetic chemistry, biological and biochemical research groups…
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Chemical Biology
Chemical biology research at the Leiden Institute of Chemistry is aimed at understanding biological processes at the molecular level to strengthen the knowledge base of human health and disease. The approach to achieve this goal is a fundamental chemical one; with the aid of chemical probes biological…
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Tracking the origin and evolution of molecules in space
How do molecules originate and evolve in space? And how does that ultimately determine the chemical composition of planets and their atmospheres? The Dutch Astrochemistry Network (DANIII) receives 1.6 million euros from NWO to find out. A large group of Leiden astronomers and chemists is contributing:…
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Human DNA softer than DNA single-celled life
Single-celled organisms have stiffer DNA than multicellular lifeforms like humans and rice. Theoretical physicists managed to simulate the folding in full genomes for the first time to reach this conclusion. Publication in Biophysical Journal on February 7.
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New generation of graphene biosensors based on smooth surfaces and sharp edges
The surface and the edges of graphene are expected to provide higher sensitivity and specificity in detecting and characterizing single molecules. However fundamental physical limits exist in reaching an ultimate precision in detecting the dynamics of chemical and biological systems. The research in…
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Quest for new antibiotics
Gubbens
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Single-molecule microscopy in zebrafish embryos
PhD defence
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Single-molecule fluorescence in sequence space
PhD defence
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How our single-celled relatives package their DNA
A group of single-celled organisms organises its DNA in a similar way to higher organisms such as plants, animals, and fungi. However, the way packaged DNA is read out differs between the two related groups, Bram Henneman discovered. PhD defence on 5 December.
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Participants
The CIGR comprises research groups from the Institute of Biology Leiden (IBL), the Leiden Institute of Chemistry (LIC), the Leiden Academic Centre for Drug Research (LACDR) and the Leiden Institue of Physics (LION).
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Nanofluidic tools for bioanalysis: the large advantages of the nano-scale
Promotor: Prof.dr. T. Hankemeier, Prof.dr. J.C.T. Eijkel (Twente University)
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Sense Jan van der Molen Lab - Physics of Quantum Materials
In our lab, we investigate the physics and material properties of low-dimensional systems.
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Gold nanorod photoluminescence: applications to imaging and temperature sensing
Promotor: M.A.G.J. Orrit
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Extremely loud & incredibly far: observing radio bright AGN into the cosmic dawn
In this thesis new methodologies are developed for the detection and systematic study of radio sources in the early universe. This allows us to gain a deeper understanding of the formation and evolution of galaxies, the activity of supermassive black holes, and the final phase transition of our universe:…
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Coiled-coils on lipid membranes: a new perspective on membrane fusion
Promotor: J.G.E.M. Fraaije, Co-Promotor: A. Kros
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Characterization and skin permeation of ketoprofen-loaded vesicular systems
PURPOSE: To determine the effect of elasticity on the skin permeation of ketoprofen from surfactant-based vesicular formulations and elastic liposomes.
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Invited speakers
Speakers that have accepted to participate:
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Thrips resistance in strawberry: more fruits with less pesticides
Can thrips resistance in strawberry be explained based on secondary metabolite profiles and plant morphological traits?
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Optoplasmonic Detection of Single Particles and Molecules in Motion
PhD defence
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Two captains on a single ship
Caspar van den Berg was asked by Dutch news programme EditieNL for a reaction to the new coalition agreement and the ministerial team. Some ministries are set to have two ministers. Can that go well? View the excerpt.
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Shining Light on PAHs in Space
Polycyclic aromatic hydrocarbons (PAHs) are the most abundant class of organic compounds in space. The PAH field evolves from the constant interaction between experimentalists, theorists, modellers and observers. While laboratory research and quantum chemical calculations together set up the molecular…
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The astrochemical factory: A solid base for interstellar reactions
In this thesis chemical and physical processes in the ice mantles on interstellar dust grains are studied.
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ParaNMR Facility
The Paramagnetic NMR Facility Leiden has been established to provide support to researchers who want to apply paramagnetic NMR spectroscopy to biomolecules. Support is offered in the design and synthesis of paramagnetic probes, either for general application (such as lanthanide tags and spin labels)…
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Single-use water bottles? Not on our watch.
We, as LUGO, believe that with simple everyday actions we can prevent large amounts of single-use plastic water bottles from entering our oceans.
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In vitro model systems for studying the impact of organic chemicals on the skin barrier lipids
This paper describes two synthetic lipid models designed to replace human stratum corneum (SC) in studies of the impact of volatile organic chemicals on the molecular organization of the skin barrier lipids.
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Can humans observe a single particle of light? (And what does that say about our brain?)
Hoping to learn something about the human brain, Leiden researchers are creating a setup to shoot single photons, particles of light, into someone’s eye. ‘The eye is a passageway to the brain.’
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Magnetism and magnetization dynamics in thin film ferromagnets
Promotores: Prof.dr. J. Aarts, Prof.dr. J.M. van Ruitenbeek
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Physicists demonstrate new method to make single photons
Scientists need individual photons for quantum cryptography and quantum computers. Leiden physicists have now experimentally demonstrated a new production method. Publication in Physical Review Letters on July 23rd.
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Ahmed Mahfouz: 'The mystery of brain diseases, unravelled cell by cell'
Which brain cell does what, when Parkinson's disease arises? It won't be long before this jigsaw is solved piece by piece. Ahmed Mahfouz, computational biologist, combines bio-knowledge from Leiden with algorithms from Delft and is getting closer to finding the key.
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Platinum electrochemistry through a magnifying glass
In most applications, electrocatalysts exhibit a large surface area to volume ratio, for example using nanoparticles.
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Sander Wezenberg receives the first "C2W Molecule of the Year" award
The molecule calix[4]pyrrole, synthesised in the group of associate professor Sander Wezenberg at the Leiden Institute of Chemistry, has been voted ‘Molecule of the Year’ by the readers of C2W Mens & Molecule. Wezenberg received the award from editor Daniël Linzel.
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Astronomers discover largest molecule yet in a planet-forming disc
Using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, researchers at Leiden Observatory in the Netherlands have for the first time detected dimethyl ether in a planet-forming disc. With nine atoms, this is the largest molecule identified in such a disc to date. It is also a precursor…
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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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Kistemaker obtains PhD cum laude on production of ground-breaking molecules
A month ago it was Marc Baggelaar, and now Hans Kistemaker too has obtained his PhD cum laude at the Leiden Institute for Chemistry (LIC). ‘He has made ground-breaking contributions to the world of protein modification,’ says PhD supervisor Gijs van der Marel. Kistemaker obtained his PhD on 11 May…
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Sensing drug responses of single cells using optical tweezers
Light can be used to apply forces on single cells. Focused lasers have been used by physicists to tweeze particles and to manipulate them. These so called “optical tweezers” can be used as mechanical phenotyping tools for characterising the mechanics of materials and living objects.
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From Atoms to the Cosmos: Exploring the Cosmic Web Beyond Collisional Ionisation Equilibrium
PhD defence
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Movements of steroid receptors inside the cell nucleus unraveled
Advanced fluorescence microscopy techniques have revealed how steroid receptors move inside the nucleus. The results were published by a team from Leiden University and the Erasmus Medical Center in Rotterdam, led by IBL-researcher Marcel Schaaf.
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Data mining and algorithm development
Due to the modern techniques of combinatorial chemistry and high-throughput screening, data on the biological activity of many millions of compounds is known. However, it is still very difficult to transfer this data into knowledge: if we know that compounds A and B bind to a certain protein with high…
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Research
Research at the Catalysis and Surface Chemistry group is comprised of the following research themes:
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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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Cathodic corrosion
Cathodic corrosion is a relatively unknown phenomenon that can severely etch metallic electrodes at cathodic (negative) potentials.
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Shining Light on Interstellar Matter
Promotor: H.V.J. Linnartz
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Towards the development of synthetic vaccines against tuberculosis
The research described in this Thesis was aimed at designing and synthesizing nature-inspired compounds as part of TB vaccine discovery.