383 search results for “atomic eczema” in the Public website
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Catalysts contribute their own oxygen for reactions
A catalyst: normally a substance that speeds up a chemical reaction, without adding molecules to this reaction. Scientists from the group of Prof. Marc Koper of Leiden University and Prof. Yang Shao-Horn of MIT now discovered that in specific reactions that need oxygen, catalysts called metal oxides…
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Key publications
Key research articles and book chapters of the Chromatin group.
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Vibration Isolation
To be able to measure small forces or small deviations from Boltzmann, the external vibrations at the resonance frequency must be very low. To achieve this, we have developed a very soft vibration isolation system and combine it with several other measures to reduce vibrations in our dilution refrigerators.…
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Working at the Faculty of Science
Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.
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Awards and Grants 2022
An overview of awards and prizes granted to our staff and students in 2022, as well as special appointments at Leiden University and other institutions.
- Com(parative) Syn(tax) Series
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Invited speakers
Speakers that have accepted to participate:
- Research Dossiers
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Irene Groot appointed professor of Surface and Interface Science
Dr Irene Groot (LIC) has been appointed professor of Surface and Interface Science with effect from 1 March. The appointment is an honour for Groot. 'It feels like recognition of your research, teaching and leadership qualities.'
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The most stable microscope in the world
Making the most vibration-free, cryogenic scanning tunneling microscope in the world. A bold mission, but one that PhD candidate Irene Battisti successfully executed together with the Fine Mechanical Department. The new microscope might shed light on how unconventional superconductivity works. PhD Defence…
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New management structure for nanoscopy centre NeCEN
A new executive board has been installed at NeCEN, a state-of-the art facility that offers the most advanced cryo-electron microscopes worldwide. The new board members are full of excitement: what are their ideas for the future of the facility?
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How NeCEN helped develop the Johnson & Johnson Covid-19 vaccine
The Phase 3 clinical trial results of the promising Covid-19 vaccine of Johnson & Johnson are expected this month. The Dutch electron microscopy facility NeCEN helped develop the company’s vaccine, and they have now published their scientific findings in Nature Communications.
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Graphene is a thoroughbred that has to be tamed
Electrons in graphene behave like light particles; they have no mass and can penetrate everything: very useful if you dream about nano-electronics. But you do have to channel them. Carlo Beenakker will be researching how. He has been awarded an ERC Advanced Grant of 1.5 million euro to carry out this…
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Photosynthesis works with valves
Photosynthesis is the origin of life on earth, but it is a phenomenon that is still barely understood. Take, for example, the extremely efficient mechanism of electron transport. Leiden researchers demonstrate for the first time where one particular cause of this might be found.
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Hiroshima Peace Tree comes to Blekerspark
On 23 September, the Leiden alderman for the Management of Public Space was presented with a Ginkgo Biloba in the Blekerspark. This special 'Peace Tree' was grown from a seed from a tree that survived the atomic bomb that devastated Hiroshima. The Peace Tree is being temporarily housed in Leiden's Hortus…
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Converting water into hydrogen more efficiently
Scientists have long been puzzled why it is easier to produce hydrogen from water in an acidic environment than in an alkaline environment. Marc Koper comes with an explanation: the reason is the electric field at the surface of the catalyst, which is larger in an alkaline environment, as he writes…
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Star birth: a slow and mysterious drama
A star does not just appear in the sky overnight. Its creation takes tens of thousands of years. Twenty years ago, astronomers took a picture of a star in its birth phase. The James Webb Space Telescope (JWST) could now capture that same star in much greater detail. This does not only provide beautiful…
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ERC Starting Grant for Roxanne Kieltyka: stem cells in gels
Chemist Roxanne Kieltyka has received an ERC Starting Grant of 2 million euros. In her lab, she creates gels that mimic the instructive material that supports cells in our body. With the grant, she aims to make these gels stiff and tough, and to create a bio-printed miniature heart ventricle.
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Converting CO2 to store renewable energy
Yuvraj Birdja converted CO2 to formic acid to store energy in a sustainable way, with different catalysts. With this new knowledge, scientists are a step closer in industrially converting CO2 to chemicals and fuels. This can help reduce CO2 emission and the greenhouse effect.
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First measurement of isotopes in atmosphere of exoplanet
An international team of astronomers have become the first in the world to detect isotopes in the atmosphere of an exoplanet. It concerns different forms of carbon in the gaseous giant planet TYC 8998-760-1 b. The research will be published in the scientific journal Nature on Thursday.
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Chris Smiet wins Christiaan Huygens prize
Christopher Berg Smiet, who defended his thesis at LION with Dirk Bouwmeester, won the Christiaan Huygens prize for his thesis '‘Knots in Plasma’. On 7 October, he received a certificate, a bronze statuette and ten thousand euros.
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What tiny isotopes reveal about planets outside our solar system
Planets existing in other solar systems contain invaluable information about the origin of planets and life. PhD candidate Yapeng Zhang has studied their atmospheres by looking at their smallest parts: isotopes. With her research she hopes to discover what makes our own solar system unique.
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Three awarded research projects in NWO-XS call
Cryogenic memories, antibiotic treatment for urinary tract infections and recycling plastic sustainably. These are the subjects of the three NWO-XS grants awarded to Leiden Science researchers.
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Nobel Prize for physics: 'Clear solutions are the best discoveries'
What does Leiden physicist Wolfgang Löffler think about the award of the Nobel Prize for physics to Arthur Ashkin, Gérard Mourou and Donna Strickland?
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From bachelor student to entrepreneur: card game about elementary particles an unexpected hit
bachelorstudent Serafine Beugelink ontwikkelt kaartspel over elementaire deeltjes en deeltjesfysica. Ze zet succescol haar eigen bedrijf op.
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Observing a changing platinum electrode
The surface of platinum electrodes changes much more during use than was previously thought. In a collaboration between the Leiden Institutes of Chemistry and Physics, chemists Leon Jacobse, Yi-Fan Huang and Marc Koper, and physicist Marcel Rost have been able to show this for the first time. Publication…
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How deep is a mirror?
Light reflects from a mirror, but where exactly does this reflection happen? Well, it depends, Martin van Exter and Corné Koks discovered. Their precise calculations, published in Optics Express, are important for designing optical cavities for quantum communication.
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We finally understand how oxygen reacts on platinum
Platinum is a widely used catalyst, but its precise mechanism largely remains a mystery to scientists. Ludo Juurlink has now demonstrated for the first time how oxygen reacts on the platinum surface. Together with PhD students Kun Cao and Richard van Lent and international colleagues he publishes his…
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Understanding superconductivity comes closer with major ERC grant for Milan Allan
Physicist Milan Allan will build an instrument that will bring superconductivity research further. He has been awarded an ERC Consolidator Grant of 2 million euros over the next five years. With his PairNoise programme he aims to detect paired electrons as they occur just above the temperature at which…
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Wouter Kalf and Museum de Lakenhal
On Tuesday 7 December, Wouter Kalf gave a lecture on how All Knowlegde starts with intuïtions for the Studium Generalis series co-hosted by the Museum de Lakenhal. The lecture was in Dutch.
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Quantum Mechanics Course for Physics teachers
Leiden University organizes a course on quantum mechanics for high school Physics teachers. As the curriculum gains a new quantum component, the university enables teachers to give the best possible guidance to their students.
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Three FOM-Projectruimte Grants for Leiden Physics
The Leiden Institute of Physics has been awarded three out of twelve available grants from the FOM Projectruimte. Principal Investigators Milan Allan, Stefan Semrau and Carlo Beenakker all receive around 400,000 euro for their research.
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Promotional video for LMCat project released
The European FET-Horizon2020 LMCat project of Dr. Irene Groot has released a promotional video showing the role graphene could play in our daily lives, how LMCat's production technique works, and how the consortium is capable of taking graphene production to the next level.
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Supramolecular and Biomaterials Chemistry
Alexander Kros studies supramolecular systems in a biological environment. The unifying theme between the projects in my lab is specific molecular recognition, i.e. the intermolecular interaction between complementary molecules with high affinity and selectivity. Studying, imitating and dissecting processes…
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The quantum computer
The worldwide race to the quantum computer is in full swing. This computer can take on computing tasks that we can only dream of today, such as finding proteins that can be used as medicines in seconds flat. Leiden physicists have discovered how the Majorana particle can be used as a building block…
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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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Leiden Physics hosts 2016 NEVAC day
The Leiden Institute of Physics hosted the annual conference of the Dutch Vacuum Society (NEVAC). Experts in the field of vacuum experiments talked about their research. The 2016 NEVAC Prize was awarded to PhD student Martijn Vos from the TU Eindhoven.
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Reading through proteins with graphene: NWO Vidi grant awarded to Dr. Grégory Schneider
While there are numerous and extremely advanced methods to sequence the genome, only a few methods exist to sequence the proteome. The Vidi project of Grégory Schneider promises to shed light on the most difficult paradigm of proteomics: achieving an error-free determination of the sequence of single…
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New transmission microscope for low-energy electrons
Physicist Daniël Geelen has developed a new microscope that uses low-energy electrons. Those are less harmful to biological and organic materials. Geelen defends his PhD thesis on May 31st.
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Two ERC Consolidator Grants for Leiden researchers
Research on quantum computers and Islamic charities: two Leiden researchers have received a Consolidator Grant from the European Research Council.
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Bachelor's research on ultra-thin nanochip nominated for Young Talent Award
Using 2D materials, physics student Romme van der Kemp developed a nanochip that is extremely small ánd scalable. This is needed to make all kinds of technologies better, faster and smaller. He has been nominated for the FWN Young Talent Award 2023 for his research.
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In memoriam Jan Zaanen 1957-2024: The universe in a speck of rusting copper
This Thursday, January 18th 2024, our esteemed colleague Jan Zaanen passed away. Jan was one of our star scientists, larger than life, with an unabashed, boisterous drive for the best of physics at the Institute Lorentz, at the Leiden Institute of Physics and in the full international scientific community.…
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Success for Leiden with Vidi subsidies
NWO has awarded a Vidi subsidy to a total of 89 young and innovative researchers. Leiden researchers have won twelve of these subsidies and three subsidies have gone to the LUMC. Each researcher will receive up to 800,000 euro to develop a particular research theme or to set up a research group.
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Leiden astronomer Henk van de Hulst: humble man with great authority
World-famous among astronomers, humble, and averse to conventions. On 23 April, the Dutch biography about Henk van de Hulst was published. Biographer Dirk van Delft: ‘This remarkable man deserved a biography.’
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Skin researcher calls for multidisciplinary collaboration: ‘I want to pool expertise’
In dermatology, there should be a high level of multidisciplinary collaboration among institutes and specialists, Professor of Translational Dermatology, Robert Rissmann, will say in his inaugural lecture on 8 July. He is building an infrastructure that will put pre-clinical and clinical skin research…
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Robert Rissmann appointed professor of Translational Dermatology at LACDR-CHDR
Pharmacist-clinical pharmacologist Robert Rissmann has been appointed Professor of Translational Dermatology. This extraordinary professorship has been created jointly by the Leiden Academic Centre for Drug Research (LACDR) and the Centre for Human Drug Research (CHDR) to strengthen their partnership…
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LUMC researchers: high levels of lipids in blood protect against allergies
People with relatively high levels of lipids in their blood are less likely to develop allergic conditions such as eczema and asthma. These lipids cause genes that play a key role in allergic reactions to be less active. Researchers from the Leiden University Medical Center (LUMC) have published an…
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Glycine in space produced by dark chemistry
An international team of laboratory astrophysicists and astrochemical modellers has shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space. The results have been published this week in Nature Astronomy and…
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Subsidies for high-grade research facilities
Three projects with Leiden researchers are to receive a subsidy from NWO for the construction or renovation of large-scale research facilities. They will be working on electron microscopy, an X-omics initiative and an X-ray telescope. The projects are part of the National Roadmap for Large-Scale Scientific…
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The mysteries of exoplanets and supermassive black holes: two Vici grants for Leiden Observatory
One unravels the origin of the largest black holes in the universe, the other investigates the influence of stellar wind on the atmosphere of exoplanets. Both Elena Maria Rossi and Aline Vidotto receive a Vici grant for their research into the mysteries of the universe. ‘I have no idea yet how we can…