222 search results for “antibiotics” in the Public website
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Reedijk Symposium 2024
Conference
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Altruism in bacteria: colonies divide the work
Bacteria found in soil specialise in the colony by division of labour. Some of the bacteria produce antibiotics, even when it comes at the expense of their individual reproduction success, to defend their colony against competitors. Publication in Science Advances.
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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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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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Teaching
Research projects for students of the University of Leiden and other Dutch Universities are often available at the MacBio group. The research lines are also described in the Research section. For details of specific projects contact the supervisor (Ubbink, Dame, Boyle, Jeuken or Wentink).
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Awards and Grants 2024
On this page you will find an overview of awards and prizes granted to our staff and students in 2024, as well as special appointments at Leiden University and other institutions.
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The quest for new medicines against tuberculosis
Can drug screening for tuberculosis treatment be made more efficient?
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Research in Africa reduces health spending and prevents diseases of affluence
Health workers have always sought ways to fight disease in vulnerable groups in the population. It is now clear that such research also benefits more prosperous countries. African worm infections and innovative thermometers have shown Leiden researchers how to fight diseases of affluence and keep health…
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PhD Theses
A full overview of MacBio PhD Theses.
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Respiratory-chain enzymes
Many metalloenzymes that are key to bioenergetics are membrane enzymes, with canonical examples the complexes I, II, III and IV in the mitochondrial inner membrane. To study these enzymes in a native-like lipid membrane environment, we aim to develop novel bioelectrochemical techniques.
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Biology (MSc)
The master’s programme Biology at Leiden University offers seven specialisations ranging from Cell Biology to Molecular Genetics. The programme prepares you for a career in research within or outside academia.
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Collaborating bacteria sacrifice themselves for the greater good
Like ants, termites and bees, some bacteria work together as a multicellular group. There is a strict division of labour in such colonies, to make the group more resilient to the outside world. Now researchers have found that some parts of the bacterial colony can take ‘for the greater good’ to a whole…
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Mosaic subsidies for highly talented ethnic minority researchers
Four of Leiden's young, talented ethnic minority graduates are to receive an award as part of the Mosiac programme of the Netherlands Organisation for Scientific Research (NWO). The award will allow these budding researchers to fund a four-year research period leading to a doctorate.
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Different medication dosage for morbidly obese patients
PhD research recently completed by pharmacologist Margreke Brill shows that morbidly obese patients should be given a different dosage of the drugs Cefazolin and Midazolam. This could also apply to other drugs such as anti-cancer drugs as well as antibiotics and Margreke Brill is advocating a change…
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Marcellus Ubbink receives grant for research into evolution of enzymes
The Dutch organisation for scientific research NWO has announced that it will award an ENW-Klein grant to Marcellus Ubbink (LIC) for his research into the role of temperature in the evolution of enzymes. Sixteen grants have been awarded in total.
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Professor Lars Jeuken wants to use bacteria for sustainable fuel
On 1 August, Lars Jeuken started work as Professor of Biophysical Chemistry at the Leiden Institute of Chemistry (LIC). His research is at the intersection of biology and chemistry, but also involves physics and nanotechnology. Jeuken: ‘By linking nanoparticles to proteins and bacteria, we want to convert…
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Awards and Grants 2018
An overview of awards and prizes granted to our staff and students in 2018, as well as special appointments and royal distinctions.
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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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Awards and Grants 2023
On this page you will find an overview of awards and prizes granted to our staff and students in 2023, as well as special appointments at Leiden University and other institutions.
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Vidi grants for 12 researchers from Leiden University
An impressive 12 researchers from Leiden University have been awarded an 800,000-euro grant by the Dutch Research Council (NWO). This will enable them to develop their own line of research over the next five years.
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Snake venom glands grown in lab
For the first time, researchers were able to grow organoids from snake venom glands. The lab-grown 3-D structures can produce snake venom molecules. This is a major step in finding treatments to tackle snakebite, which causes over 100,000 deaths each year. Publication in top journal Cell.
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Focus Honours Community on internationals and The Hague
The study association of honours education SLHC established an international commission concerned with the closer involvement of international students in the Honours Community. The language of communication will become English where possible, and more upcoming activities will be organised in The Hague…
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Layers of dental tartar
Bacteria in the teeth tell us a lot about nutrition and disease in our ancestors. It also tells us more about the immune system. This provides clues for treating modern diseases and allergies. For a long time archaeologists were irritated by tartar on the teeth of excavated skulls. They thought that…
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Biomolecular analyses of skeletal remains in the circum-Caribbean across the historical divide (A.D. 1000-1800)
As part of the NEXUS1492 project, this project will use ancient DNA techniques to shed new light on the demographic and health history of the Caribbean and the impact of European colonization on indigenous communities in the region.
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Discovering and developing drugs
Improving healthcare with our scientific discoveries: that is the goal of pharmaceutical research at Leiden University. And there’s a lot involved in that. Our research starts with the discovery of the effect achieved by a particular substance, and sometimes continues all the way through to the development…
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Chemical Probe Facility
The Chemical Probe Facility is part of the Leiden Early Drug Discovery & Development (LED3) center. Activity-based protein profiling (ABPP) is one of the pillars of chemical biology. ABPP determines the activity of entire protein families in living cells and tissues under physiological conditions, such…
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Hit and Lead Optimization
The goal of hit and lead optimization is to optimize suitable chemical starting points that can modulate a drug target. The methods and technologies used are similar to those in Hit Discovery, but once the compound has shown activity in an animal model, it moves from 'hit' to 'lead.'
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Alexander van Oudenhoven Discoverer of the year 2016
Environmental scientist Alexander van Oudenhoven has been chosen as Discoverer of the year of the Faculty of Science. Vice Rector Magnificus Hester Bijl announced this during the faculty’s New Year’s Reception on 10 January. Biologist Changsheng Wu won the prize for best dissertation of 2016. Computer…
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Discoverer of the Year, Best Dissertation and Education prize 2015
During the Faculty of Science New Year's reception, Daniël Rozen was named Discoverer of the year 2015. Nienke van der Marel and Koen van der Maaden both won the prize for the best dissertation and Jeroen van Smeden was named Best Teacher of 2015.
- Publication highlights
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Natalia Ortiz awarded for the KNMP Student Prize
Natalia Ortiz, a current PhD student in our department, was awarded the KNMP Student Prize during the last autumn Congress 2014 of the Royal Dutch Pharmacists Association (Koninklijke Nederlandse Maatschappij ter bevordering der Pharmacie, KNMP), held in Utrecht at the beginning of October.
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Inaugural lecture Annemarie Meijer
On Monday 21 September Annemarie Meijer, Professor of Immunobiology, presented her inaugural lecture on immunobiology and infectious disease.
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Academic Pharma submits application to National Growth Fund
Knowledge institutions in the Netherlands are to work together with the pharma and biotech industries to accelerate drug discovery and development. To bridge the ‘lab-to-life’ gap, Leiden University and the LUMC have, as coordinators of Academic Pharma, submitted an application to the National Growth…
- Program in English
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Cancer pathogenesis and therapy
With cancer, a person’s body cells grow uncontrollably. Putting together a detailed picture of how this comes about makes it possible to develop efficient therapies. Researchers at the Leiden University Medical Centre (LUMC) and Leiden University are working together to gain a better understanding…
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Macrophages as drivers of an opportunistic infection
The opportunistic bacterium Burkholderia cenocepacia is feared by cystic fibrosis patients and is emerging in hospital-acquired infections. An international study sheds new light on the infection mechanism of this opportunistic pathogen that may have large implications for treatment strategies.
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Professor Ben Lugtenberg received ‘The Arima Award for Applied Microbiology’
Emeritus Professor Ben Lugtenberg received ‘The Arima Award for Applied Microbiology’ from the IUMS (International Union of Microbial Societies) for his life-time contributions to this field.
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“Principles of Plant-Microbe Interactions”
Emeritus Professor Ben Lugtenberg edited a book on “Principles of Plant-Microbe Interactions” together with Paul Hooykaas, Eddy van der Meijden and Jos Raaijmakers, all from the IBL.
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Annemarie Meijer appointed full Professor of Immunobiology
Annemarie Meijer is appointed full Professor of Immunobiology. Meijer’s research focuses on immunobiology and infectious disease. She uses the zebrafish as a model for understanding mechanisms of host immune defense against intracellular bacterial pathogens.
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‘We shouldn’t lump all microorganisms together’
Hermelijn Smits is Professor of Host-commensal Interactions and Immune Modulation. In this role she is increasing our current understanding of the way in which microbes and parasites shape our immune system to protect us from respiratory infections and chronic inflammatory diseases. In her inaugural…
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Researchers discover hitchhiking bacteria
Imagine that you need to travel, but you don’t have a car and you’re dead broke. What do you do? Hitchhiking, of course! Leiden biologists found that certain bacteria use this very same tactic: their spores hop on motile bacteria and use them as a taxi, ensuring they reach the right environment to f…
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National Meat Free Week: the main reasons to switch to a plant-based diet
National Meat Free Week (Nationale Week Zonder Vlees, 7–13 March) is an initiative to reduce meat consumption. Assistant professor Paul Behrens is studying what impact a change in our food consumption would have on the world. What, according to him, are the main reasons to switch to a (mainly) plant-based…
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A synthetic vaccine against meningococcus
Leiden chemists recreated the bacterial capsule of meningococcus in the lab. With a few modifications, these capsules can serve as an extra safe and effective vaccine against these notorious bacteria, which can cause, for example, meningitis. PhD candidate Jacopo Enotarpi and his team published the…
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A clear picture of bacteria
Freezing bacteria super fast to gain a true-to-nature image of the internal and external structure. Ariane Briegel Professor of Ultrastructural Biology came to Leiden specially to carry out this research. Leiden University is one of the few institutes in the world to have the necessary equipment. Inaugural…
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App helps doctors find the right dose of corona medication
Leiden researchers have developed an app that doctors can use to more easily determine the right dosage of medication for corona patients. At the moment, doctors are prescribing many existing kinds of medication to patients. Using the app, they can determine a safe and effective dosage.
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New tenure track: understanding and engineering microbial metabolism for health and sustainability
On 1 March, Lennart Schada von Borzyskowski will start on a tenure track position at the Institute of Biology Leiden (IBL). With a focus on the natural and synthetic biochemistry of environmental bacteria, he wants to apply their features to health and sustainability issues.
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Four Leiden University researchers receive Rubicon Grants
Four Leiden researchers, who have recently obtained their PhDs, will receive a Rubicon Grant from NWO to conduct research abroad. A total of 22 scientists have received Rubicon Grants. This grant aims to provide young, promising scientists with international research experience.
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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 fundamental insight into the battle against bacteria
The intestinal bacterium E. coli can adapt to changes in its surroundings. Leiden scientists have discovered how the H-NS protein makes this possible. This new knowledge can be an important starting point in combatting bacteria and diseases such as peritonitis. Publication 2 October in the journal e…
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“You cannot predict the future, but you can think about it!” Master’s Vitality and Ageing visits Vilans!
As part of the career orientation of the Master’s Vitality and Ageing, students visit various healthcare, policy and research organisations throughout the year. Students get introduced to relevant organisations where they have the possibility for a graduation internship and career opportunities. This…