51 search results for “Evans Ray” in the Staff website
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Rais Khan
Science
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Kshiti Sneh Rai
Science
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Tailoring X-ray tomography techniques for cultural heritage research
PhD defence
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Blu-ray player still needed in auditoriums?
Education
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Towards no more glass in the jam with better X-ray scanners
X-ray and CT scanners are widely used devices in research, diagnostics and the industrial sector. And yet they are not nearly as fast and accurate as we would like. Mathé Zeegers is researching the newest technique in the field at the Centre for Mathematics and Computer Science: spectral X-ray imaging.…
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X-ray mirrors: useful in space, but also for radiation therapy
A special type of mirror to reflect X-rays has more possible applications than space research. Targeted radiation therapy for cancer, for example. Next to his full-time job, physicist David Girou mapped out the possibilities. He will receive his PhD on 14 June.
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Film by Visual Ethnography alumna selected for the RAI Film Festival
'Don’t Let the sunny weather fool you' a film made by Visual Ethnography alumna Guusje Meeuwissen has been selected for the RAI film festival in London this year. It's a short film about the everyday lives of a farmer and a fisherman in the Philippines, and their capacity to adapt to a changing natural…
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Rik Mom
Science
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André Mesquita Fery Antunes
Science
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future where a genetic test will be as much a no-brainer as getting X-rayed.’
Assistant Professor Karlsson Linnér, who works at the Department of Economics, is one of the recipients of a Veni grant. His research on the accuracy of preventive genetic testing is a fine example of the intersection of economic science and law.
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Radiation and magnets
Are you planning to use radioactive substances or X-ray equipment for your work? If so, you need to be aware of ways to prevent ionising radiation. This is why we require you to complete a radiological workers course.
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Jaco Geuchies
Science
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Irene Groot
Science
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Exploring the interactions of M dwarf winds and cosmic rays
PhD defence
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Steffen Brünle
Science
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Complex networks in perspective
Conference
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How the speed demons of the universe tell us something about the Milky Way
They hurtle along at over a thousand kilometres per second: the fastest stars in the Milky Way. PhD candidate Fraser Evans conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach us, about black holes and supernovae, for example.
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The James Webb Telescope takes stunning photos. But what exactly are we looking at?
For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.
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Secrets of the skull
The Research Institute for Mathematics & Computer Science in Amsterdam hosts a unique X-ray machine that creates 3D scans of the most diverse objects. This allows them to reveal details that remain hidden in regular scans. In a series of articles they showcase examples of what happens in the lab. Leiden…
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Working in a lab
Working in a laboratory is different from working in an office. Some of the rules that apply when working in or around a laboratory are given below.
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Immigration and requirements
If you wish to come to the Netherlands there are certain immigration procedures you need to follow. The Service Centre International Staff will help you with all of these. We will provide you with checklists, an immigration wizard and an overview of all immigration formalities. This way you will be…
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Interview Klara Beslmüller
Klara Beslmüller
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Wouter Linmans: 'The Netherlands did see World War II coming'
On 10 May 1940, the Netherlands was taken completely by surprise by the attack of the German army. Wasn’t it? In his dissertation, Wouter Linmans debunks the idea that the Second World War took the Netherlands by surprise. ‘From 1935 onwards, all major political parties wanted to invest in the military.’…
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Prof Dr Joke Bouwstra receives the “ Dr Saal van Zwanenberg Ereprijs”
Prof Dr Joke Bouwstra will receive the “ Dr Saal van Zwanenberg Ereprijs” from the “Koninklijke Hollandse Maatschappij der Wetenschappen” on November 14 in Haarlem. Joke is awarded for her innovative contributions to the field of skin delivery science and technology. She shares the price with prof…
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Campus Square renamed: Rosalind Franklin Square
On World DNA Day 25 April, Leiden University is pleased to focus the spotlight on Rosalind Franklin, whose name was given earlier this month to the Campus Square on the Leiden Bio Science Park. This square will now be known officially as the Rosalind Franklin Square.
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Aafje de Roest: ‘As an expert in Dutch Studies you have the right skills to research hip hop’
Aafje de Roest turned her hobby into her job. She went from a teenager who enjoyed listening to hip hop music to a PhD candidate who focuses on how Dutch hip hop music shapes the cultural identity of young people in the Netherlands.
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Dutch Research Council Open Science Fund grants for five Leiden projects
Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).
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Foraging skills may have made the essential difference in the evolution of our huge brain
Hunter-gatherers acquire their food through complex gender-specific foraging techniques for a relatively stable and diverse supply of energy. New research indicates that this specialisation by boys and girls starts at a very young age. Most likely, this enabled the human species to evolve much larger…
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Key for effective application of a new revolutionary cholesterol lowering drug resides in a 30 year old Leiden Patent
‘’ And then the world changed forever ,welcome to the future’’. These are the words that Kausik Ray (President of the European Atherosclerosis Society) spoke when the worldwide first dose of inclisiran, a novel SiRNA based cholesterol lowering agent, was administered at the Cardiology lipid clinic at…
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Nadine Akkerman wins Dr Hendrik Muller Prize 2021
Nadine Akkerman, associate professor of early modern English literature is receiving the Dr Hendrik Muller Prize 2021 for her work.
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Meet archaeologist Martin Berger: ‘I want to answer archaeological and heritage questions’
In the course of 2020 the Faculty of Archaeology was bolstered by some new staff members. Due to the coronavirus situation, sadly, this went for a large part unnoticed. In a series of interviews we are catching up, giving the floor to our new colleagues. We give the floor to Dr Martin Berger, who joined…
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National flower: The daisy is everywhere thanks to men with mowers
The daisy has been crowned the Netherlands’ national flower. Rogier van Vugt, Head of Horticulture at the Hortus botanicus, explains why the daisy merits its elevation to national symbol.
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Drawing and predicting lines: how artificial intelligence is helping doctors
Artificial intelligence can help doctors analyse images such as MRI scans. In future it may even be able to predict how a tumour will grow. And that is badly needed to relieve the pressure on healthcare workers.
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Watch the best films of Visual Ethnography alumni on Alexander Street Press
The Leiden University Visual Ethnography collection has been added to Alexander Street Press, an educational streaming video service. The master’s specialization Visual Ethnography has supported many talented individuals to produce inspiring films. About 70 master’s thesis films of the past 8 years…
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Using a camera to look into a book's spine: ‘You might just find that one rare text’
What do you do if you have a book from the sixteenth or seventeenth century, but you suspect that the binding contains a fragment of a medieval manuscript? University lecturer Thijs Porck has received an NWO grant to experiment with a camera attached to a tube. 'The project boils down to keyhole surgeries…
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Silicon pore optics for high-energy optical systems
PhD defence
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LIC Lecture + drinks
Lecture
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Reimagining the State in Times of a Pandemic
Lecture, L-PEG Annual Lecture in Global Political Economy
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Far From Home: The science exploitation of the fastest milky way stars
PhD defence
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Pioneer Christiaan Weijts: clandestine novelist in literary circles
In a new series we talk to past and present students who were the first in their family to go to university. In this first instalment: novelist and columnist Christiaan Weijts (1976). ‘I always felt as though someone would tap me on my shoulder once they’d discovered my clandestine presence.’
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Huge advances could be made in the treatment of patients with childhood trauma
There’s a lot that goes wrong in the treatment of patients with PTSD caused by childhood trauma. Endowed professor Maartje Schoorl wants to resolve this by bringing scientific research closer to the practice. Inaugural lecture on Friday 29 April.
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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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Physics in the picture: cancer cells as an explosion of fireworks
When you think of physics, do you think only of complicated formulas? You’re not the only one. Therefore, every year, the Leiden Insitute of Physics organises the LION Image Award to show another side of physics: beautiful images about intriguing science. The winner of the 2022 photo competition captured…
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Malformations in heart, eyes and nervous system: Nano-plastics disrupt growth
Nano-plastics cause malformations. Meiru Wang, researcher at the Institute of Biology Leiden, looked at the extreme effects polystyrene nano-particles could have, using chicken embryos as a model. Her results were quite alarming. Especially as nano-particles are everywhere. In the air, floating through…
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Space telescope Euclid makes first test images - astronomers are full of anticipation
The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…
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Leiden PhD student discovers thin atmosphere on exoplanet TRAPPIST-1 c with JWST
A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…
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50 jaar MRI: Hoe het LUMC dit betaalbaar maakt
50 years ago Lauterbur published the basic principle of MRI. Sine then MRI has become more expensive. Professor Andrew Webb describes what is needed to make MRI available for everybody.
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The energy transition under the nanoscope: Gravitation funding for ANION project
Bringing together chemists and physicists to thoroughly investigate how electrochemical processes work on the smallest scale. That is the goal of the new Advanced Nano-electrochemistry Institute of the Netherlands, or ANION for short. The consortium receives a Gravitation funding of 23.6 million euros…
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Florence Nightingale Colloquium
Lecture, colloquium
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‘Looking back, this past year will be a very important period in my life’
At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Clinical pharmacologist Lu Chen is the third in this series to…