1,507 search results for “plastic a break” in the Public website
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Mechanical Response of Foams: Elasticity, Plasticity, and Rearrangements
Promotor: M.L. van Hecke
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Leiden Advocacy Project on Plastic
The Leiden Advocacy Project on Plastic (LAPP) is a pro bono initiative concerning legal questions on plastics and is founded to address and research the legal issues related to plastic pollution.
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Temperature effects on genetic and physiological regulation of adaptive plasticity
Promotor: P.M. Brakefield
- Summer Break
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'One in five bacteria we tested were capable of breaking down plastic'
Leiden PhD candidate Jo-Anne Verschoor discovered that nearly twenty percent of the bacterial strains she studied could degrade plastic, though they needed some encouragement to do so. ‘Bacteria are just like people,’ says Verschoor. Her research was published in the journal Communications Biology,…
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The evolution and plasticity of life histories upon variation in nutrition: on aging focused integrative approach
Promotores: Prof.dr. P.M. Brakefield, Prof.dr. B.J. Zwaan (Wageningen Universiteit)
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Plastic Spotter: spot plastic in the canals of Leiden
Help us spot and clean up the plastic in the canals of Leiden! Leiden University is calling on the good folk of Leiden to help our researchers study the plastic in the city’s canals. And if you’d like our canals to be plastic-free, why not donate towards a fleet of canoes to clean them up?
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Plastic Health Summit in Amsterdam
The Plastic Soup Foundation and Parley for the Oceans hosted the very first Plastic Heath Summit in Amsterdam on 3 October, covering the most relevant and pressing health concerns surrounding plastics and human health. Beyond discussing the latest findings in the field we asked the urgent question:…
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Breaking of ensemble equivalence for complex networks
For many system in statistical physics the microcanonical and canonical ensemble are equivalent in the thermodynamic limit, but not for all.
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Plastic between your toes
The sand on European beaches may look pristine, but in every kilogram of sand there are on average 250 microplastics: fragments smaller than 5mm. These results are part of a study from Leiden researchers with the help of beach-goers throughout Europe.
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Breaking and making the ancestors
Piecing together the urnfield mortuary process in the Lower-Rhine-Basin, ca. 1300 - 400 BC
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LAPP participates at Plastic Avengers Conference
On Friday 8 February, the first Plastic Avengers Conference took place in Amsterdam. Initiator Merijn Tinga, the Plastic Soup Surfer from Leiden, brought together ‘independent plastic fighters' to arrive at a manifesto against plastic pollution. The Leiden Advocacy Project on Plastic was also invited…
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Translational Symmetry Breaking in Holographic Strange Metals
In this thesis, we have used numerical approaches to study the effects of translational symmetry breaking on strange metallic systems as realised by the holographic duality.
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Reducing daily-stress breaking a habit
With this thesis the PhD-candidate aims to enrich the body of evidence concerning the relation between stress and health, and the mediating role of (un)conscious perseverative cognitions, which is captured in the extended perseverative cognition hypothesis.
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Jo-Anne Verschoor
Science
j.verschoor@biology.leidenuniv.nl | +31 71 527 5072
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Spectral signatures of breaking of ensemble equivalence
This thesis explores Breaking of Ensemble Equivalence (BEE) in random graph models by examining the spectral properties of adjacency matrices. The goal is to identify spectral characteristics that differentiate random graph ensembles, enhancing the understanding of complex network structures and beh…
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Launch of Pick Up 10 by Plastic Soup Surfer
Merijn Tinga, the Plastic Soup Surfer, launched the Pick Up 10 campaign. This campaign, supported by Google and National Geographic, uses photo recognition to identify and monitor litter through an app.
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Exhibition at the KOG: 'Plastic Justice – A creative take on plastic and law'
From 3 to 13 December you can see the exhibition Plastic Justice at the Kamerlingh Onnes Building. Esther Kentin, coördinator of the Leiden Advocacy Project on Plastic, saw the exhibition at the Plastic Health Summit and initiated a collaboration with the Royal Academy of Art in The Hague.
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Mission successful: deposits on small plastic bottles
After years of lobbying by environmental activists, a deposit scheme for small plastic bottles is to be introduced on 1 July 2021. One of the leaders in the fight is alumnus Merijn Tinga. The university will have collection points for plastic bottles and is also supporting the Plastic Spotter citizen…
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CanalCups: getting to plastic-free canals
Two weeks after 3 October the Leiden canals were still full of plastic disposable cups. Auke-Florian Hiemstra and fellow students have fished thousands of these cups out of the canals and photographed them. Now they put a photo of one of these canal cups on Instagram every day.
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Projects
Current clients
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Kilotonnes of 'recycled' Dutch plastic waste end up in the sea
On paper it is recycled, but in reality enormous quantities of plastic waste from the Netherlands end up in Asian seas. Researchers from the Leiden Institute of Environmental Sciences charted the fate of plastic food packaging waste from the Netherlands. They published their results on July 8 in the…
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Paul Vriend
Science
p.vriend@cml.leidenuniv.nl | +31 71 527 2727
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'Our plastic use is going to change'
'We have to look for products that can replace ordinary disposable plastics, for example of organic material. Within 20 years, the average plastic use of a household will be largely reduced.' According to Thijs Bosker, Associate Professor at Leiden University College, in Edition NL of Tuesday, October…
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Breaking & Entering: PAH photodissociation and top-down chemistry
Laboratory, observation and modeling work on the dissociation of polycyclic aromatic hydrocarbons in interstellar environments and the formation of new molecular species through the fragmentation process.
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People
This is the team of LAPP:
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Leiden archaeologist investigates washed up plastics with National Geographic grant
Roberto Arciero is part of RESPIRE project (Research Educational and Storytelling Project in Italian Remote Ecosystem), an international and interdisciplinary research team led by Martina Capriotti (University of Camerino) that received the National Geographic Meridian grant. Among the different topics,…
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Plastic nanoparticles make larval zebrafish hyperactive
Nanoplastics influence the behaviour of larval zebrafish, says new research by the Institute of Biology Leiden (IBL) and the Institute of Environmental Sciences (CML). The researchers observed that a certain type of nanoparticles leads to stress reactions in the sugar balance, resulting in hyperactivity…
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Breaking the Ice: Constraining the volatile distribution in protoplanetary disks
PhD defence
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Construction of vast plastics plant by Shell: 'very painful'
Shell, our country's largest company, is constructing a vast plastics plant in the United States. And it is doing so at a time when the European Union, led by the Netherlands, is launching a major pact to combat use of plastic.
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Beyond plastic: why humanities scholars study waste
In a new series of articles, we explore how the humanities study topics related to sustainability. First up: waste. How and why study waste as a humanities scholar? We asked Elena Burgos Martinez, University Lecturer South and Southeast Asian Studies, and Katarzyna Cwiertka, Professor of Modern Japan…
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BAT: Breaking the Transmission of Anxiety in the Family
Parents may pass anxiety onto their offspring by exposing them to anxious behaviors in novel situations. Just as the parents’ anxious signals lead to anxiety, parents’ confident signals can ward off anxiety in the offspring. This project is seeking a new way to break anxiety transmission in the family…
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Students work on bacterium that makes sustainable plastic
A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.
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Make it and Break it: the cycle of pottery
A study of the technology, form, function, and use of pottery from the settlements Uitgeest-Groot Dorregeest and Schagen-Muggenburg 1, Roman Period, North-Holland, the Netherlands
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Saving the environment by banning plastic bags?
What is the influence of the 2016 ban on free plastic bags on the environment? Industrial ecologist Stefano Cucurachi received a LUF grant of €75.000 to answer this question.
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Workshop ‘Science Based Rules on Plastic: Regulating Plastic Pollution’ at Lorentz Center
From 27 to 31 January, a workshop on the regulation of plastic pollution based on scientific evidence will be held at the Lorentz Center in Leiden.
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Leiden Law Cast #5: Esther Kentin on PFAS, (micro)plastics & policy
Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.
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Lego Lost at Sea: an archaeological and environmental exhibition at the Van Steenis
At the entrance of the Van Steenis building you may now visit an exhibition on material culture. Unexpectedly, it does not display pottery or tools, but building materials. And recent ones at that! Check out the exhibition on Legos lost at sea, conceived and assembled by PhD candidate Maia Casna. ‘These…
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Specificity and side-effects of mutagenesis by CRISPR/Cas9 -induced breaks in plants
Do large deletions represent a risk during CRISP/CAS9-mediated genome editing in plants?
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Documentary Plastic Soup Surfer on National Geographic
Biologist, artist, activist and Leiden alumnus Merijn Tinga supped the river Rijn in 28 days, to gain attention for plastic waste. His journey of more than 1000 kilometers has been captured in the documentary ‘From Source to Sea’, that can be seen on 4 June at 20:50 on National Geographic Channel.
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LAPP participates at Plastic Avengers Conference
On Friday 8 February, the first Plastic Avengers Conference took place in Amsterdam. Initiator Merijn Tinga, the Plastic Soup Surfer from Leiden, brought together ‘independent plastic fighters' to arrive at a manifesto against plastic pollution. The Leiden Advocacy Project on Plastic was also invited…
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Smoothly breaking unitarity : studying spontaneous collapse using two entangled, tuneable, coherent amplifiers
The Copenhagen interpretation of quantum mechanics states that a measurement collapses a wavefunction onto an eigenstate of the corresponding measurement operator.
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Poor countries recycle far more of our plastic than we thought. But it's not enough.
Countries that import plastic waste recycle an average of at least 63 percent of it. This is surprising, as we previously believed that the vast majority was incinerated or ended up as litter. This was discovered by PhD candidate Kai Li and his colleagues from the Institute of Environmental Sciences in…
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waste gases (mixed CO/CO2 streams) into intermediates for polyurethane plastics for rigid foams/building insulation and coatings
What would be the environmental performance of the Carbon4PUR technology at industrial scale in the future?
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Presentation at the Plastic Soup Foundation
On 3 May2017 LAPP participated in a meeting on microplastics at the Plastic Soup Foundation.
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Working together on the plastic problem: how to keep citizens engaged?
What motivates citizens to participate in a citizen science project on plastic pollution? And does that motivation change over time? Liselotte Rambonnet tried to answer these and other questions with her research on the Clean Rivers (‘Schone Rivieren’) project. Rambonnet is a PhD student at the Institute…
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Tap water stations to reduce plastic waste
Leiden University will install over 30 tap water stations in the autumn of 2017 at the various University buildings. The first is already in use.
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Journal of the LUCAS Graduate Conference : Breaking the Rules: Textual Reflections on Transgression
The Journal of the LUCAS Graduate Conference was founded in 2013 to publish a selection of the best papers presented at the biennial LUCAS Graduate Conference, an international and interdisciplinary humanities conference organized by the Leiden University Centre for the Arts in Society (LUCAS). The…
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Bacteria that degrade plastic: Unilever Research Prize for master’s student Jo-Anne Verschoor
Jo-Anne Verschoor wins the Unilever Research Prize 2020. The master's student in Biology developed a method to test whether bacteria are capable of degrading plastic. Verschoor: 'Using specific enzymes from these bacteria, we may be able to efficiently recycle plastic in the future.
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Plastic surgeon Diederik Hofstede: ‘I like small scale'
After studying medicine in Leiden, Diederik Hofstede specialised in plastic surgery. 'I was attracted by its creativity and I enjoy working with my hands.' Cosmetic surgery is just 5% of the work.'