693 search results for “acoustic signal” in the Public website
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Staff
The Cyber Security lecturers are scholars and lecturers of Leiden University, Delft University of Technology and The Hague University of Applied Sciences.
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Language socialization in deaf families in Africa
Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process. Deaf communities form…
- Digital Diplomacy (incl. TechPlomacy and Mediatisation)
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‘Visual art has been a form of communication since its inception’
Visual art played an important role in the development of cooperative human behaviour. This is the finding of Larissa Mendoza Straffon, a PhD candidate in archaeology, whose dissertation explores the biological and psychological foundations of visual art.
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Leiden physicists detect single nanoparticles in motion
It's pretty hard to spot a single 5 nanometer particle. Leiden physicists pulled it off by turning a 120 nm gold rod into a detector.
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Gold nano-antennas reveal single molecules’ electrochemical properties
Individual molecules are extremely hard to see through feeble fluorescence. Tiny gold nanorods serve as new antennas to intensify their signal 500 times. Publication on 24 February in Angewandte Chemie.
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Feodor-Lynen research fellowship for Bela Bode
Dr Bela Bode receives a Feodor Lynen research fellowship for postdoctoral researchers by the Alexander von Humboldt-Foundation for development of new methods for signal enhancement in solid state NMR. He aims to create a specific analytical tool for surface studies and research on membranes and membrane…
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eScience Grant for LION Neutrino Research
The Netherlands eScience Center has announced to fund a new Path-Finding Project led by Dr. Dorothea Samtleben from the Leiden Institute of Physics (LION). This project aims to make the processing of detection signals more efficient for the KM3NeT neutrino telescope, which is currently under construction…
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Inreisverbod voor twee Israëlische ministers is vooral symbolisch
Het demissionair kabinet zet een koerswijziging in ten opzichte van eerdere ‘stille diplomatie’ strategie. Deze koers bevat o.a. een inreisverbod voor twee extremistische ministers Smotrich en Ben-Guyir. Wim Voermans, hoogleraar Staatsrecht, zegt in de Volkskrant’ dat het kabinet hiermee een belangrijk…
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Orrit receives NWO-TTW Open Technology Programme grant
Michel Orrit has received an NWO-TTW Open Technology Programme grant. He will use it to image single molecules without the need for fluorescence.
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Seminars
LCN2 hosts seminars on the last Friday of each month.
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Larger pupils? You might just have gained someone’s trust
Synchrony in heart rate, skin conductance and pupil diameter plays a big role in human social interactions, such as gaining trust or being attracted toward each other. This is what Eliska Prochazkova found in several lab and field experiments. PhD defence on 4 March 2021.
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Exhibition 'The Drake Equation' - online
In Green Bank, Virginia are some giant radio telescopes which astronomers use to study objects deep in space. Because these telescopes are built to capture very faint redio signals, the area around the observatory is officially a 'radio-quiet' zone, without WiFi, radio or Cell signal. Photographers…
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Vidi Grant for Stefan Semrau: how does bioelectricity shape embryonic development?
Leiden biophysicist Stefan Semrau was granted an NWO Vidi earlier this month. He will use the grant to study the role of electricity in embryonic development and tissue regeneration.
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Joan van der Waals colloquium
The Joan van der Waals colloquium is an ongoing bi-weekly lecture series.
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Evolution of bacterial movement revealed
An international team with researchers from Leiden revealed how a bacterium repurposed an internal system to control its movements. Movement control is very important in host invasion, which can lead to disease. Publication on 27 April in Nature Communications.
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Surface Plasmons Measured for Faster Internet
Leiden physicists use a new method to measure so-called surface plasmons. Researching these particles could lead to new light-based technology, including faster internet.
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Nose of E. coli zips open and shut
PhD student Wen Yang discovered how certain cell receptors in E. coli bacteria signal 'smells'. With the use of ice-cold electron microscopy microbiologists from Leiden gain more insight into how bacteria respond to their environment. Publication in mBio.
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Auroras on nineteen stars hint at hidden exoplanets
An international team of scientists including Leiden's Joe Callingham has discovered nineteen red dwarf stars that unexpectedly emit radio waves. The outbursts possibly originate from interaction with exoplanets. The results of the research appear in two scientific publications.
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Single Molecule Detected for Use in Quantum Network
Leiden physicists have managed to detect a single molecule called dibenzoterrylene in a new crystal, and found that it is a candidate component for a quantum network. Future quantum computers will need such a network to work together while maintaining their advantages. Publication in ChemPhysChem jo…
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Disrupted movement makes macrophages more lethal to tuberculosis bacteria
Macrophages – the front line of our immune system – protect us from infections. But in the case of the tuberculosis bacteria, this often goes wrong. The group of Annemarie Meijer from the Leiden Institute of Biology has now discovered that macrophages in zebrafish are better able to eliminate tuberculosis…
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Substantial investment in Leiden centre for NMR spectroscopy
Paramagnetism. An obscure occult practice? No. It’s one of the newest scientific methods for mapping the behaviour of proteins with great precision. Marcellus Ubbink has been awarded 3 million euro by NWO and Leiden University to purchase a very powerful instrument. The goal: to acquire greater insight…
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Visualising the nanoworld
Visualising cell proteins without invasive techniques is possible with the help of fluorescence. During a lecture of the Natuurwetenschappelijk Gezelschap Leiden on 18 January, winner of the Spinoza Prize 2017 and founder of the field of single molecule optics Michel Orrit explained how this works.
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Rowie Stolk on NPO Radio 1 about passport alerts
In the Netherlands, anyone who loses their passport or ID card too often can be added to the Passport Alerts Register. As a result, a passport application may be denied or the passport must be surrendered. Rowie Stolk, PhD candidate at the Department of Constitutional and Administrative Law, spoke on…
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Sylvia van Beugen wins award for publication on psychodermatology
Sylvia van Beugen has won the Herman Musaph Literature award 2016 for the best publication about psychodermatology. Her publication describes the importance of body awareness in chronic skin conditions, such as psoriasis.
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Colliding magnetic fields reveal unknown planets
Northern lights, stellar winds and exoplanets. This is what astronomer's PhD research revolved around. PhD candidate astronomer Rob Kavanagh developed mathematical models to better understand the interactions between exoplanets and stellar winds and to define features of exoplanets. He will receive…
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Resonating Field
Multi-channel sound and video installation of the on-going project: Decomposing Landscape (2014 -).
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Share your RECORDINGS with the Journal of Sonic Studies
......documentation of the sonic impacts of COVID-19. Many of you have heard the sounds of Wuhan residents chanting “Keep it up, Wuhan!” or Italians singing “Viva la nostra Siena” from their balconies in the evening.
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Online ARC session Sound, Technology and Listening
On 14th April the ARC session Sound, Technology and Listening, dedicated to the presentation of work carried out at the Institute of Sonology at the Royal Conservatoire, took place through an online public platform. Four students from the second-year research master's at the Institute of Sonology did…
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free e-pub: The Field of Musical Improvisation.
Prof. dr. Marcel Cobussen has published a free e-pub: The Field of Musical Improvisation.
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Blog post: The nose of this wormy-shaped bacterium has a surprising symmetry
For the first time ever, Leiden biologists have found that the ‘nose’ of spirochetes – worm-shaped bacteria – have a two-fold symmetry. A remarkable discovery, as the ‘nose’ of every other bacterium has been found to have a six-fold symmetry. First author Alise Muok wrote a popular blog about the findings…
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WARN-D: developing an early warning system for depression in students
My ERC Starting Grant, funded with €1.5 million for 5 years as part of the Horizon 2020 research and innovation program, is focused on building the early warning system WARN-D to reliably forecast depression in young adults before it occurs. Why depression, and why prediction?
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What’s in a plant?
Tracking early human behaviour through plant processing and -exploitation.
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Vascular and Regenerative Medicine
Methods of treatment for chronic illnesses are limited. Doctors and researchers at Leiden University Medical Center (LUMC) and Leiden University are working on new therapies as an alternative for organ transplants. The goal is to cure the illnesses by restoring organs to their original function. Stem…
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Vision and Mission
The need for novel drugs as well as innovations in their development and application is as urgent as ever. Below we present our vision , mission, and our key research areas.
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Social decision making in humans and great apes
Efficiently responding to others’ emotions has great survival value, especially for social species, such as primates, who establish close, long-term bonds with group members. The closest living relatives to humans are the chimpanzee and the bonobo. Studying these species, and comparing them on the exact…
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Allosteric Modulation
Allosteric modulation has long been recognized as a general and widespread mechanism for the control of protein function. Modulators bind to regulatory sites distinct from the active site on the protein, resulting in conformational changes that may profoundly influence protein function. This concept…
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Structure and regulation in photosynthesis
Plants, algae and cyanobacteria have the amazing capacity to perform delicate photophysical and photochemical processes of light capture, excitation transfer, charge separation and catalysis in fluctuating living environments. As a consequence, photosynthetic proteins and membranes form dynamic architectures.…
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Traces of Intentionality: Balance, Complexity, and Organisation in Artworks by Humans and Apes
Have you ever stood in front of an abstract artwork and thought: “a monkey could have done that!”. As it turns out, you are wrong.
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Following in nature's footsteps
A neural network mimics how our brain works. Evolutionary algorithms use the principle of natural selection to solve complex problems. This kind of 'natural computing' is being used to improve the diagnosis of Parkinson's disease or the production of steel.
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Charlemagne's Workshops
An Investigation into the role of copper-alloy craft production in the early medieval economy of northwest Europe.
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Fundamental and translational medical biochemistry
Through metabolism, biochemical processes give rise to the complexity of life. Acquired and inborn errors in metabolism underlie many diseases occurring in man. The challenge for present day medical biochemistry is to find, and integrate, pieces of information at molecular, cell and organismal level…
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Neurobiological and Environmental Determinants of Parenting and Child Development
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- General Linguistics
- Week 4 – part 2: 29 January – 1 February 2025
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Volume 2 (2020)
Issue 1
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Immunity, Infection and Tolerance
Our immune system protects us against disease, but every now and then, something goes wrong: an enemy invades our bodies or our immune system attacks our own cells and we become ill. Doctors and researchers at the Leiden University Medical Center (LUMC) want to be able to manipulate the immune system…
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Research
Research at the Macromolecular Biochemistry group is comprised of the following research themes:
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Largest radio survey ever maps the Universe in unprecedented detail
The radio telescope LOFAR, with a major contribution from Leiden Observatory, has produced the most detailed radio map of the Universe ever made. Never before have so many cosmic radio sources been captured in a single survey: 13.7 million.
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Eduard Fosch-Villaronga receives visiting grant for cybersecurity aspects of healthcare robot technology
Dr. Eduard Fosch-Villaronga, Marie Skłodowska-Curie Postdoctoral Researcher at eLaw, received a personal visiting researcher grant from the Research Council of Norway to spend five weeks visiting the University of Oslo.