412 search results for “bacteria” in the Public website
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PhD candidates deserve special attention: their new confidential counsellor Annemarie Meijer explains why
She studied biology in Leiden and never left. Now, as Professor of Immunobiology, Annemarie Meijer has taken on the role of the new confidential counsell for for PhD candidates. It's a role that suits her perfectly: she has extensive experience in the research world and has guided dozens of PhD candidates.…
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Veni grants for 16 Leiden researchers
Sixteen researchers at Leiden University are to receive a Veni grant from the Netherlands Organisation for Scientific Research (NWO). These awards offer promising young researchers the opportunity to further develop their own ideas over a period of three years.
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Using gold particles to make the invisible visible
Gold nanoparticles give us a better understanding of enzymes and other molecules. Biswajit Pradhan, PhD candidate at the Leiden Institute of Physics, uses gold nanorods to study individual molecules that would be challenging to detect otherwise. Resulting knowledge can be applied to many research fields,…
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How oak seedlings teach us more on dune restoration
What is the best way to restore dune ecosystems? The project TERRA-Dunes researches the role of soil microbes in the development of natural dune areas. Recently, the project went into a new phase: planting 412 oak seedlings grown in different type of soils.
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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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Steering the immune system with liposomes
Liposomes – nano-sized spheres composed of fatty molecules – are very promising for vaccination. Bio-pharmaceutical scientist Naomi Benne discovered that the immune response in animal models can be steered by varying the charge of the liposomes. She obtained her PhD degree on 8 September for this research,…
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Paco Barona Gomez ready to work in Leiden: ‘Fundamental research creates opportunities’
Paco Barona Gomez is the newest associate professor at the Institute of Biology Leiden (IBL). The Mexican researcher is fascinated by the evolution of natural products: compounds made by microbes, but also plants and animals. ‘It’s like we investigate chemical dark matter.’
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Aphid genome unravelled
Leiden evolutionary biologist Maurijn van der Zee has co-operated on an enormous international project to describe the genetic material of the pea aphid Acyrthosiphon pisum. The more than 100 authors involved in the project have published their findings in the online magazine PLoS Biology.
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Using tweezers of light to study the misfolding proteins of muscular diseases
Alireza Mashaghi from the Leiden Academic Centre for Drug Research (LACDR) will use state-of-the-art technology to investigate proteins that play a role in muscular dystrophy. His goal is to provide new insights for designing novel therapeutic strategies in the future. To accomplish this, Mashaghi receives…
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Looking at the big world of microbiology through the smallest lenses
Antoni van Leeuwenhoek, the father of microbiology, died 300 years ago. 2023 has therefore been designated the Antoni van Leeuwenhoek year. The new Unimaginable exhibition in Rijksmuseum Boerhaave is about the amazing world that Van Leeuwenhoek made visible. What was so special about the way he worked?…
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Adapting to salinity: Dutch mosquitos do take it with a grain of salt
Dutch mosquitos are more resilient to saltwater than previously thought. Environmental scientist Sam Boerlijst discovered this during his PhD research at the Hortus botanicus. This knowledge is crucial for understanding how mosquito-borne disease transmission might change in the future.
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Thierry Rohmer received Ernst Award for elucidating the light-switch of plants
PhD student Thierry Rohmer received the Ernst Award 2009 of the Gesellschaft Deutscher Chemiker (GDCh) for his publication in the Proceedings of the National Academy of Science of the USA on the structure-function relation of the photoreceptor phytochrome. The prize was presented at the Annual Discussion…
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Fifty Shades of Stress
The challenge: Building a tool to detect chemical compounds that individually cause non-lethal stress to bacteria, but that are lethal in combination. A team of thirteen Leiden students are taking up this challenge in the annual ‘international Genetically Engineered Machine’ (iGEM) competition for applications…
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Using AI to Combat Drug Resistance - an Interview with PhD student Rosan Kuin
Rosan Kuin started her PhD in July at the LACDR under supervision of prof. Gerard van Westen and Dr. Meindert Lamers. She completed a BSc. in Pharmaceutical Sciences at the VU University in Amsterdam in 2017. After that she started two master programs, Drug Discovery & Safety with a specialization in…
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Opening PoreLab
PoreLab is officially opened on November 1st, 2016. This new lab located at the Sylvius Laboratory will be working with the latest DNA analysis technology and will bring science, education and industry together to explore practical applications with the MinION.
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King opens new wing of Leiden Instrumentmakers School
King Willem-Alexander visited Leiden on 6 December to open the new wing of the Leiden Instrumentmakers School. Students of this vocational programme make instruments needed for scientific research.
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European collaboration shines a light on enzyme discovery for industry
A European consortium has provided a disruptive technological breakthrough to allow the discovery and characterization of novel enzymes for industrial biotechnology. The technology will open the way to more efficient industrial processes such as in the biofuel, animal feed and paper and pulp industr…
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Zebrafish models for disease and environmental stress
We use zebrafish as a model organism to study human development and disease as well as animal welfare and environmental impact.
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Wat is er te doen op de Leidse Museumnacht?
Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.
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New research into hidden nature in our cities
What hidden nature is there in our cities and how can we use such organisms? This is what the HiddenBiodiversity project will be exploring over the next four years. The project’s kick-off meeting was held at the Hortus botanicus on Monday 26 September.
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New IBL-professor in Ultrastructural Biology: Ariane Briegel
Ariane Briegel has been appointed Professor in the fìeld of Ultrastructural Biology within the Faculty of Science at the Institute of Biology from the 1st of December 2015. Her expertise is in using electron cryotomography to study how microbes sense and respond to their environment.
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Living Labs and ‘pavement plants’: Leiden University’s contributions to biodiversity
Through various initiatives, Leiden University is trying to make people aware of the importance of biodiversity: the cultivation of a wide variety of micro-organisms, animals and plant species. This is important because in the Netherlands biodiversity has declined from about 40 percent in 1900 to about…
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Ilze Bot receives prestigious grant from the Dutch Heart Foundation
Just before Christmas, three talented scientists received good news: they are receiving a personal research grant from the Dutch Heart Foundation. Ilze Bot of the Leiden Academic Centre for Drug Research is one of those scientists. She will receive an Established Investigator grant of 650,000 euros.…
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Record distance for alternative super current
Electrons that spin synchronously around their axis, turn out to stay superconducting across large distances within magnetic chromium dioxide. Electric current from these electrons can flip small magnets, and its superconducting version could form the basis for a hard drive without energy loss. Publication…
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Two new publications by Sven Lütticken
In September Lütticken released two new publications: 'Objections- Forms of Abstraction, Volume 1' and 'Art and Autonomy: A Critical Reader'.
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'A garden on Mars' crowdfunding campaign starts today
Today, 13 students at Leiden University have started a crowdfunding campaign to collect money for research into the possibilities of growing crops on Mars. Their research will contribute to the knowledge of our galaxy. The project is in the context of the iGEM competition.
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What if superbugs were as tall as buildings?
In Sci-Fi comic book Resist NOW!, wondrous adventures will illustrate possibilities to combat antimicrobial resistance. But the comic book will only be produced if enough money is raised to make the project into reality.
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Smart design carries sound one way
A new computer simulation shows the promising possibilities of the booming field of topology. Smartly designed mechanical structures carry sound exclusively one way and are immune to fabrication errors. Publication on 17 July in Nature Physics.
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PhD Theses
A full overview of BPOC/SSNMR PhD theses.
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Leiden University Medical Center
In the Leiden University Medical Centre (LUMC) we strive to improve health care and the health of people.
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Activity-based protein profiling for drug discovery
Activity-based protein profiling (ABPP, also termed chemical proteomics), is one of the pillars of chemical biology, and at LED3 we have taken it to the next level. ABPP allows the assessment of protein function in live cells and tissues, which means that the activity of a complete protein family can…
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Plant Scientist for a day
Small workshop
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The quest for more antibiotics
Streptomycetes are similar to moulds, but these bacteria live in the soil. They are very popular in biotechnology because they produce a great many antibiotics and enzymes. Gilles van Wezel will be using his Vici subsidy to study ways of increasing their production.
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'Soil is the basis of our lives' - Martijn Bezemer nominated for Huibregtsen Prize 2023
Directing soil life and thereby influencing what grows above ground: that is the expertise of Leiden biologist Martijn Bezemer and his colleague Wim van der Putten (NIOO-KNAW). Their research on soil transplants has been nominated for the Huibregtsen Prize 2023. This prize goes to innovative research…
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Students make podcasts about micro- and bioplastics
Four Master's students Science Communication & Society made two podcasts on the theme Plastic for the end project of their study programme. With the podcasts, they helped the Institute of Biology Leiden (IBL) to draw attention to plastic pollution. And that was harder than it seemed. 'Be sure to test…
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Briegel winner in global competition by the Moore Foundation
Ariane Briegel, Professor of Ultrastructural biology in Leiden, has received a prestigious incentive from the Gordon and Betty Moore Foundation. With the grant of 800,000 euros, Briegel will set up a new research line into studying symbiotic interactions on the nanoscale.
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New light on innate plant immunity
Plants are able to resist a pathogen’s attack by a dual innate immune system. The relationship between the two pathways was not clear, but it turns out that they mutually potentiate each other, as assistant professor Pingtao Ding (Institute of Biology Leiden) and colleagues (The Sainsbury Laboratory,…
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Partnering with businesses to scale up metabolism research
Predicting whether someone will fall ill and which treatment will benefit them most: that is the aim of the techniques that Professor of Analytical Biosciences Thomas Hankemeier and his research group are developing at Leiden University. In order to scale up and further develop this technology, he works…
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User-friendly test brings global elimination of leprosy closer
Researchers from the Leiden University Medical Center (LUMC) are working on the first diagnostic test for leprosy that can be used outside a laboratory. This will not only reliably diagnose leprosy, but also be cheap and easy to use. Leprosy mainly occurs in low-income countries. A double challenge…
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ERC Synergy Grant to unlock sugar codes for health and a sustainable society
Hermen Overkleeft and his colleagues Gideon Davies (University of York) and Carme Rovira (University of Barcelona) will receive a 9.1 million euros Synergy Grant from the European Research Council. Together, they will form the Carbocentre Synergy team for research into enzymes that work on glycans:…
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Improving the treatment of newborn babies with life-threatening sepsis
Coen van Hasselt’s pharmacology group collaborated on a study recently published in the renowned Lancet Infectious Diseases. The international team mapped the antibiotic treatment of the life-threatening inflammatory reaction sepsis in newborn babies. They did this for low- and middle-income countries,…
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PhD candidate from Leiden presents international student event
From pipetting in the lab to shining in front of the camera at a global student event. With 8.000 viewers watching the livestream, Marjolein Crooijmans presented the iGEM Giant Jamboree in Paris.
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Nanoparticles: a wonder material with a downside?
Minute nanoparticles are bringing about a completely new industrial revolution. But little is known about the possible dangers to the food chain. An international group will be examining this issue, and Leiden researchers will be playing a key role.
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Major European subsidy for Leiden evolutionary biology
Paul Brakefield, Professor of Evolutionary Biology at the Institute of Biology in Leiden (IBL) has been awarded an ERC Advanced Grant for his research. He will receive 2.5 million euro to develop his research programme over a period of five years.
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Smallest-ever Leiden University logo
The logo of Leiden University, with letters as small as a bacterium. Researchers from LUMC and the Institute of Biology have created the smallest logo of our university ever produced. It is a piece of fun with a serious real-world application: the new microscope with which the logo was made allows scientists…
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2022 Sustainability Report: Fewer CO2 emissions and greener operational management
The University's CO2 footprint has once again decreased. This is the conclusion of the 2022 Sustainability Report. The report also concludes that steps have been taken to integrate sustainability into Leiden University education and research.
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Testing vaccines without laboratory animals?
The quality of vaccines is still often tested by using laboratory animals. That has to change, according to researchers from Leiden University and the vaccinological institute Intravacc. Together they went searching for a test method that makes animal testing unnecessary. The first promising results…
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Luis Salome Abarca about plant chemicals and the Hortus botanicus
What chemicals do plants have available, and what happens if they use them when faced with bacteria or fungi? That is what PhD candidate Luis Salomé Abarca is keen to learn. He studies plants’ survival and their use of chemical components in communication and defence. Salomé Abarca works at the Natural…
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Leiden iGEM students win prize with squid protein
The Leiden students who participated in the iGEM synthetic biology competition have won the prize for best production. They developed a way to have bacteria produce the substance suckerine, a protein derived from the Humboldt squid. By doing so, they want to help heal burn wounds. ‘The announcement…