254 search results for “test” in the Student website
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Why you should publish negative data
As a bachelor student of Bio-Pharmaceutical Sciences, Femke Vlaswinkel wrote a research proposal she was allowed to carry out in her master’s BPS. Femke subsequently graduated with honors. Her research was published in the journal Scientific Reports, she won an award from the Dutch Pharmacy Society…
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New programme brings education 'to the midst of society'
In November a new extracurricular programme will begin: the Impact Challenges. Students will work together in small groups to solve problems, put forward by partner organisations. In this way, they train their practical skills and make a contribution to society.
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Leiden researchers join forces against tuberculosis
About one and a half million people worldwide die each year from tuberculosis. For thirty years, therapy with antibiotics has been the same, while it takes far too long and can lead to resistant pathogens. Leiden researchers from four institutes are now joining forces to develop more effective and efficient…
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How a bachelor’s student contributed to better chemical simulations
Doğukan Yilmaz chose a study that aligned with his favourite subjects, and it paid off. For his bachelor thesis, he developed a new model to better predict an important chemical reaction. ‘On the edge of what is possible at the bachelor level,’ his supervisors write. Thanks to his impressive achievements,…
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Jasper's day
Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.
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Leiden Classics: Cleveringa’s protest
On 26 November 1940 Professor Cleveringa held his courageous speech protesting against the dismissal of his Jewish colleague, Professor Meijers. Cleveringa was arrested and the university was closed. Every year the university honours Cleveringa with a chair and meetings throughout the world.
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Professorship marks the ticking off of an important milestone for Silvestri
Alessandra Silvestri has been appointed professor in Theoretical Physics in the area of Cosmology. For her this promotion in Leiden is the icing on the cake. ‘But there are many more boxes I would like to tick.’
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Unlocking the secrets of DNA repair: Sarah’s curiosity might lead to new cancer treatments
How do cells repair their damaged DNA—and what happens when that process is hindered and cancer arises? Sarah Moser has taken a closer look during her PhD, uncovering surprising insights that could help improve future cancer treatments.
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Radio astronomers bypass disturbing Earth's atmosphere with new calibration technique
An international team of researchers led by astronomers from Leiden University (the Netherlands) has produced the first sharp radio maps of the universe at low frequencies. Thanks to a new calibration technique, they bypassed the disturbances of the Earth's ionosphere. They used the new method to study…
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Pure Basic: soup, snacks and sandwiches for every budget
You may already have seen them in the larger restaurants in the teaching buildings: simple yet tasty hagelslag or cheese sandwiches. Students asked and the University Services Department (UFB) has delivered with its new Pure Basic line. Now there is a lunch for every budget.
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A foldable smartphone? STIBNITE searched for the perfect semiconductor
Roll-up solar panels, bendable phone displays, or better computer chips… The EU project STIBNITE investigated the next generation of semiconductors, made from organic materials based on carbon, nitrogen, and boron. The project has now concluded. During the Open Science Debate on 1 July, the group will…
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Cheaper, more accurate DNA sequencing
A new graphene-based method could make for faster, cheaper and more accurate DNA sequencing, say a group of Leiden physicists and chemists.
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Major Leiden symposium on TB bacteria
More than 1.3 million people worldwide die of tuberculosis (TB) each year, making research on its prevention and control essential. Researchers from various disciplines in Leiden are studying TB. A symposium on 24 March will highlight different activities in the hope of boosting nationwide collabora…
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Start pilot cultivating rice on peatland
Is polder rice a feasible circular alternative for cows on peatland? A pilot experiment started this week. On May 22nd, researchers from Leiden University and Wageningen University & Research (WUR) planted roughly 3,000 rice plants on the Polderlab near Leiden. The researchers want to test rice as a…
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Three NWO Open Competition grants for Leiden scientists
Smart drug carriers, uneven cosmic expansion, and solar energy storage in molecules. These are the topics of three newly awarded NWO-XS grants to researchers at the Faculty of Science.
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LUMC receives tens of millions for research into new stem cell-based treatments
Leiden University Medical Center (LUMC), as a partner in the reNEW consortium, is once again receiving tens of millions of euros for research into new treatments based on stem cells. The collaboration will receive a total of €150 million to develop new therapies in regenerative medicine.
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Leiden ‘super antibiotic’ keeps dangerous gut bacterium under control with a low dose
The antibiotic EVG7, developed in Leiden, has proven capable of fighting the dangerous gut bacterium C. difficile with only a minimal dose. What’s more, the bacterium is far less likely to return, a major issue with existing antibiotics. The research was published in Nature Communications.
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Black hole one year later: proof of a persistent shadow
The brightness peak of the ring around M87's supermassive black hole has shifted 30 degrees counterclockwise in a year. This is shown by new images released by the Event Horizon Telescope consortium.
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Leiden University positive about coalition plans, with a few concerns
Dutch universities have responded positively to the new coalition plans. Investments in education, research and innovation will be prioritised, and the stringent cutbacks proposed by the previous cabinet will be reversed. Optimism is the order of the day in Leiden, though caution is advised.
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New research programme for urgent challenges in Africa
Leiden University and four other Dutch universities will appoint 51 PhD candidates to conduct solution-oriented research for and with the African continent.
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After the launch of the next big space mission: ‘This is a big step towards understanding dark matter and dark energy.’
Henk Hoekstra and Alessandra Silvestri work on the astronomy and theoretical physics in the Euclid mission. These Dutch researchers are part of the mission.
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Introducing the new assessor: 'I immediately knew: this is what I want'
With the new academic year, the Honours Academy welcomes a new assessor: Maarten Kolpa. What does an assessor do? And what can he do for honours students? Maarten talks about it in an interview. "I find it important that the student perspective comes first."
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'When I talked about the materials for an energy transition in 2010, people almost started to laugh'
In order to build wind turbines and electric cars, we need tons of magnets. Currently, we import these mainly from China, which means Europe is very dependent on this superpower for the energy transition. This has to change, according to industrial ecologist René Kleijn. In the REEsilience project,…
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Starting the new year together: these are the winners of faculty awards
A beautiful speech by vice-dean Bart de Smit, a mini-lecture on exoplanets and the presentation of three faculty awards. That's how we started the new year at the faculty. Together with colleagues and students, we raised our glasses to a new year full of great collaborations, science and education.
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This is what you want to know about the new directors of education Biology as a student
From 1 October onwards, Dennis Claessen and Marcel Schaaf will be the new directors of education of Biology. They will replace Han de Winde. Schaaf will be responsible for the bachelor, while Claessen will mainly focus on the master tracks of Biology. We gave students and the education office the change…
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Vidi grants for eight researchers from Leiden University
Eight scientists from Leiden University have been awarded a grant by the Dutch Research Council (NWO). With this Vidi funding, the researchers can set up an innovative line of research and further expand their own research group over the next five years.
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Improving nature’s antibiotic
'What nature made isn’t necessarily an optimized medicine to use in the human body,’ says Professor of Biological Chemistry Nathaniel Martin. That’s why a group of Leiden researchers is making a chemistry-based improved version of the frequently used antibiotic vancomycin. They received an NWO NACTAR…
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A peek inside art objects: new algorithm makes CT scan more accessible
An X-ray scanner, some small metal balls, and a newly developed algorithm. That is all you need to make a 3D model that enables you to look inside art objects without dismantling them. Thanks to the research of Francien Bossema (Centrum Wiskunde & Informatica and Leiden Institute of Advanced Computer…
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A quick call with Nadine Akkerman about the Annie Romein-Verschoor Lecture: ‘I feel a connection with Annie’
Each year on or around International Women’s Day, the university hosts the Annie Romein-Verschoor Lecture. You are welcome to attend − even if you wouldn't call yourself a feminist, says professor and organiser Nadine Akkerman. ‘You get the best discussions with a diverse audience.’
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Circularity not yet a priority in energy transition and construction
Are we on the right track towards a circular economy in 2050, with fully renewable energy technology and circular construction? The CML of Leiden University, together with the Netherlands Environmental Assessment Agency (PBL), TNO, Utrecht University and RIVM, is investigating what is needed to achieve…
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Better ship designs thanks to smart algorithms
The perfect ship is light and sleek for speed, but also needs to be strong and stable for safe sailing. These and other conflicting requirements make it difficult, even with a supercomputer, to find the ideal design. Computer scientist Roy de Winter has developed an algorithm that helps strike the perfect…
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‘All of Leiden will join in with the Seeing Stars experiment’
What will happen if the lights in a large part of the city are switched off? How many stars can you see without all that light pollution? This is what researchers, artists and the residents of Leiden are going to investigate during Seeing Stars Leiden on 25 September. ‘Leiden is the ideal place for…
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Chasing gravitational waves: damping vibrations in underground Einstein Telescope
Leiden scientists and companies receive 1.37 million euros to develop technology for the Einstein Telescope. This underground telescope will measure gravitational waves and must therefore be extremely sensitive. To that end, the consortium conducts research on the damping of vibrations at temperatures…
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Jasper's day
Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.
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Man-made antibodies may change the future of drug development – here’s why
Sometimes an idea seems so logical and elegant at first glance, that you later wonder why no one thought of it before. Two researchers from LACDR have teamed up to develop a completely synthetic alternative to antibodies—one that mimics their size, shape and function, but which is cheaper, more stable,…
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New potential cancer drugs and where to find them
Cancer research generates massive amounts of data, but traditional tools often fail to fully harness their potential. How can we unlock this data to provide better treatments for cancer patients? PhD candidate Marina Gorostiola González explored this by using advanced data analysis techniques to guide…
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How to make an old antibiotic a hundred times more potent
Nathaniel Martin, Professor of Biological chemistry, wondered what would happen if you take an antibiotic that has been known for 70 years and try to improve it with the latest tools of modern chemistry. Turns out it can become up to a hundred times more potent and prevent the growth of some drug-resistant…
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Thousands of new students start an old-style EL CID
Smiling faces, a mass dance and a bit of awkwardness: after two ‘corona editions’ of EL CID, the Leiden introduction week is back with a vengeance this year. A total of 3,412 first-year students from Leiden University and University of Applied Sciences Leiden, accompanied by 486 mentors, started EL…
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A theory rarely proves true in practice
Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…
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Dozens of massive stars launched from young star cluster R136
Astronomers have used data from the European Gaia Space Telescope to discover 55 high-speed stars launched from the young star cluster R136 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This increases tenfold the number of known “runaway stars” in this region. The team of astronomers,…
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Back to the Faculty with lecturer Alexander van Oudenhoven
Last year he became Teacher of the Year because of his innovative and online teaching, now Alexander van Oudenhoven has to change course again and teach physically. What have the first weeks been like for him? ‘Let's apply what we learned in the lockdown period.’
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Leiden chemists discover new ways in which single-celled organisms organise their DNA
It has only recently been discovered that single-celled organisms (bacteria and archaea) also have histones—proteins that structure DNA. Now, Leiden PhD candidate Samuel Schwab has found that the histones in these organisms are much more diverse than previously thought. Schwab and his colleagues describe…
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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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How to make cryptographic techniques more efficient?
Sharing scientific data, transferring money, or sending other sensitive information online: with cryptography, applications make sure your data does not fall into the wrong hands. Mathematician Thomas Attema (CWI/TNO/Leiden University) helps with this. For his PhD research, he developed a new technique…
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With 30 million dollars, this consortium aims to tackle tuberculosis
Thanks to a clever research method, progress is being made in the quest for better tuberculosis medications. Within an American consortium that received a 30 million dollars grant, Leiden researcher Rob van Wijk plays a significant role. ‘The next breakthrough in tuberculosis research will come much…
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Strange materials with potential for innovation in technology and energy
Following in the footsteps of Professor Jan Zaanen, visiting fellow Louk Rademaker is exploring quantum effects in so-called strange materials. His research is paving the way for new materials that could be used in emerging technologies.
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Video labs and narratives of future conflicts: two lecturers receive a Comenius Grant
Lecturers Marjo de Graauw and Malte Riemann have both received a Comenius Teaching Fellowship.
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How to hijack natural destruction in cells: ‘We need to understand it through and through’
Destroying proteins from the Golgi apparatus of the cell in a controlled manner. That is the focus of chemist Marta Artola’s pioneering research. By developing a groundbreaking technology to target specific proteins in the Golgi, Artola aims to unlock new ways for drug development. For this ambitious…
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‘A good teacher always has multiple ways to explain the same concept’
Assistant professor Joost Willemse firmly believes that as a teacher, you’re never done learning. ‘Students ask questions about things you’ve never thought of yourself. Ultimately, that makes you better at your job.’ That’s why he always encourages his students to ask questions. And it’s appreciated:…
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Meet the professor: ‘Can my sister be prosecuted for stealing my eraser?’
On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.