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Koenderink lab

Prof.Dr.Gijsje Koenderink Our Mission The Koenderink lab is an experimental research group centered around the soft matter physics of living matter. Our central aim is to understand the physical mechanisms that enable living matter (cells and tissues) to combine mechanical strength with the ability to actively generate forces and change shape. To this end, we combine concepts and methods from soft matter physics, biophysics, synthetic biology, and mechanobiology. Through collaborations, the research also extends to food and biomedical materials and research into implications of abnormal cell/tissue mechanics for cancer metastasis, fibrosis, osteoarthritis and thrombosis. Research News People Join Us Publications Find Us Key publications From mechanical resilience to active material properties in biopolymer networks Shaping up synthetic cells Cytoskeletal crosstalk: when three different personalities team up Prof.Dr.Gijsje Koenderink

House rules TU Delft Library

TU Delft Library wants to offer its visitors optimal facilities to study and consult information sources. In addition, the library also functions as a meeting place. In order to combine these two functions, we have drawn up house rules. If you come to the TU Library, the following house rules apply: Treat the study places and all facilities with respect. Show respect to your fellow visitors You are permitted to eat and drink in the Central Hall, the Kegel (the Cone), the Blue Room and the projectrooms of TU Delft Library. You are also permitted -outside the examination periods - to talk and make telephone calls on a normal sound level. The Glass Hall (the large computer room), the Orange Room, the Trésor reading room and the Red Room are for silent study only. Talking, making phone calls, eating and drinking (with the exception of water) are not permitted. Rules for use of computers and digital resources There are rules and regulations regarding the use of compputers at the TU Delft Library. Make sure to read the education regulations of the TU Delft (Student Charter Annex 10) and the digital resources . Group visits It is possible to visit the Library in groups. However, these must always take place outside exam periods. Liability TU Delft Library is not liable for any damages and/or theft of any personal belongings of visitors of the TU Delft Library. Visitors can be asked at any time by a security officer to show a campus card and/or proof of identity for verification. Animals Only service dogs are permitted in the Library. Abuse and theft Did you cause any damages during your visit to the Library? We reserve the right to hold you accountable for any damages. So please, treat our facilities with respect. In the case of extreme abuse of our facilities, we can and will deny you access to our facilities, services and/or building. In the case of extreme abuse, theft, disorderly conduct or general misbehavior, we have the right to deny you access to our facilities, services and/or building for a specified period of time. Also read the TU Delft Regulations for the Use of Buildings , Premises and Facilities by Students and Visitors . Smoking Since 1 August 2020, almost the entire TU Delft campus is smoke-free. This means smoking is not allowed (inside and outside of buildings) on campus. Read more about this in the additional information about smoking policy . Filming and photography rules Photographing and/or filming in our building is permitted. However, there are a number of rules applicable. Flyers & Posters Flyers can be given to the front desk. They will then be placed in the flyer board in the Living Room (room with the vending machines). Flyers are not allowed to be distributed elsewhere in the Library without prior permission. Posters can be given to the front desk. They will be displayed on the bulletin board in the Living Room. Max. 1 poster A3 format, will be displayed for 3 weeks. Permission granted by events-library to conduct promotional campaigns are only permitted at the front stairs of the Library. Freezone B is never included. At the main entrance of the Library it’s not allowed to conduct actions involving food. Lost and found Have you lost an item? Or found something that did not belong to you? Items are kept at our service desk. However, TU Delft Library is not liable for any lost items or damages on the found items. Relaxation and contemplation At Sports & Culture Center X at TU Delft there is a central Contemplation Room where you can come to yourself. You can go there for reflection, meditation, prayer or just for a moment of silence, away from the daily worries. All employees, students and invited guests are welcome, but the room is intented for individual use only. An X subscription isn't neccesary for this, but the TU Delft X houserules are applicable. Sporting activities on the roof Using the roof for activities such as skiing, sledging and cycling activities are not permitted on the roof, due to the risk of personal injuries and the possibility of damaging the roof. More info? Read the TU Delft house rules

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Tracing ancient settlements in Colombia with remote sensing

A team of the LDE alliance (Leiden University, TU Delft, and Erasmus University Rotterdam) asked whether it might be possible to search for signs of ancient settlements in the jungle with affordable remote sensing techniques. For an expedition in a Colombian dense forest, the team, including remote sensing expert Felix Dahle of TU Delft, joined forces with archaeologists and drone experts from Colombia. In mountainous forests, drones provide affordable access to areas that would otherwise be unreachable from the ground. A LiDAR laser scanner already proved its value in coastal observation . The big question was whether LiDAR could bypass the many treetops. Trees reflect the laser, so it was crucial to fly close so it found its way through the foliage. The team mounted a highly portable LiDAR laser scanner to a drone and went on expedition nearby ancient terraces of the Tairona culture in the Sierra Nevada of Santa Marta. “We had to find the sweet spot. Close to the archaeological sites and still secure above the canopy”, says Felix Dahle. And it passed the test. The LiDAR laser scanner create a point cloud and a detailed 3D model of the landscape. “We were able to detect ancient terraces in the jungle. We discovered that we can scan through the forest when it is not too dense, but some areas remained unfathomable. We could also distinguish several types of vegetation, which might be of great use too to find undiscovered archaeological sites.”

PRELIFE consortium receives NWA funding to investigate the origin of life

The interdisciplinary research consortium PRELIFE has been awarded an NWA grant by the Dutch Research Council (NWO) to investigate the origin of life on Earth and in the universe, one of science’s greatest unsolved puzzles. The consortium will receive €6.7 million to explore this question and comprises scientists from sixteen universities and research institutes across the Netherlands.

Kwartetspel maakt seksisme bij politie bespreekbaar

IO alumnus Noortje Kwakernaak bezocht twee politiekantoren om er de rol van vrouwelijke agenten te onderzoeken. Ze merkte dat er wel eens sprake was van grove en seksistische humor. Om spelers over deze grappen te laten reflecteren, en misschien gedrag te veranderen, ontwikkelde ze een kwartetspel.

What trees teach us about sustainable production of materials

Trees are excellent teachers when it comes to making materials for load-bearing structures with as little resources and energy as possible. One of their secrets? When a tree grows, the direction of the wood grain adapts itself to fit the load that part of the tree is going to bear.

Exhale Sluitingsweek: A week of free events to say goodbye to Exhale and cosy up for Winter

De allerlaatste Exhale Week vindt plaats van 25 november tot 1 december en staat volledig in het teken van afscheid nemen van Exhale en het omarmen van de winter.

TIL student Laura Drechsel wins Q-Park thesis award

TIL student Laura Drechsel wins the 2024 Q-Park Student Award with her thesis called: Stories of Aging and Access - Exploring capabilities and challenges of accessibility for urban elderly through microstories. Her award-winning thesis can be found here .

TU Delft jointly wins in XPRIZE Rainforest competition in Brazil

TU Delft jointly wins in the XPRIZE Rainforest competition in the Amazon, Brazil Imagine using rapid and autonomous robot technology for research into the green and humid lungs of our planet; our global rainforests. Drones that autonomously deploy eDNA samplers and canopy rafts uncover the rich biodiversity of these complex ecosystems while revealing the effects of human activity on nature and climate change. On November 15, 2024, after five years of intensive research and competition, the ETHBiodivX team, which included TU Delft Aerospace researchers Salua Hamaza and Georg Strunck, achieved an outstanding milestone: winning the XPRIZE Rainforest Bonus Prize for outstanding effort in co-developing inclusive technology for nature conservation. The goal: create automated technology and methods to gain near real-time insights about biodiversity – providing necessary data that can inform conservation action and policy, support sustainable bioeconomies, and empower Indigenous Peoples and local communities who are the primary protectors and knowledge holders of the planet’s tropical rainforests. The ETHBiodivX team, made of experts in Robotics, eDNA, and Data Insights, is tackling the massive challenge of automating and streamlining the way we monitor ecosystems. Leading the Robotics division, a collaboration between TU Delft’s Prof. Salua Hamaza, ETH Zurich’s Prof. Stefano Mintchev and Aarhus University’s Profs. Claus Melvad and Toke Thomas Høye, is developing cutting-edge robotic solutions to gather ecology and biology data autonomously. “We faced the immense challenge of deploying robots in the wild -- and not just any outdoor environment but one of the most demanding and uncharted: the wet rainforests. This required extraordinary efforts to ensure robustness and reliability, pushing the boundaries of what the hardware could achieve for autonomous data collection of images, sounds, and eDNA, in the Amazon” says prof. Hamaza. “Ultimately, this technology will be available to Indigenous communities as a tool to better understand the forest's ongoing changes in biodiversity, which provide essential resources as food and shelter to the locals.” . . . .

Moving the Closet

You simply cannot miss it, it is big and magenta: the Pink Closet . On 12 November 2024 the Pink Closet will head to the Main Hall of the TU Delft Library for the first time! The Pink Closet will take its place at the Nook, where it will feature as part of the Studium Generale programme on loneliness. More information on events that coincide with and incorporate the Pink Closet at TU Delft Library will soon be available on the website of Studium Generale .

Green ammonia remains a challenge, but researchers make significant progress

The production of ammonia, essential for fertiliser production, is responsible for almost 1.5% of global carbon emissions. This needs to be greener, which is why researchers have been looking for sustainable alternatives for years.

"Measuring brain activity through the skull with ultrasound opens new doors"

PhD Candidate Rick Waasdorp is looking for ways to correct the distortion caused by the skull when using Ultrasound technology. ‘’My goal is to develop an adaptive method for skull corrections that automatically measures the skull of new patients.’’

NWO funding for flexible power demand in electrically driven industry

NWO is funding two projects to explore ways to make the power demand of industry more flexible, allowing it to better align with future energy supplies. One of these projects, “DEFLAME,” is led by Machteld van den Broek from TU Delft.

Students Amos Yusuf, Mick Dam & Bas Brouwer winners of Mekel Prize 2024

Master students Amos Yusuf, from the ME faculty, Mick Dam, from the EEMCS faculty, and graduate Bas Brouwer have won the Mekel Prize 2024 for the best extra scientific activity at TU Delft: the development of an initiative that brings master students into the classroom teaching sciences to the younger generations. The prize was ceremonially awarded by prof Tim van den Hagen on 13 November after the Van Hasselt Lecture at the Prinsenhof, Delft. They received a statue of Professor Jan Mekel and 1.500,- to spend on their project. Insights into climate change are being openly doubted. Funding for important educational efforts and research are being withdrawn. Short clips – so called “reels” – on Youtube and TikTok threaten to simplify complex political and social problems. AI fakes befuddle what is true and what is not. The voices of science that contribute to those discussion with modesty, careful argument and scepticism, are drowned in noise. This poses a threat for universities like TU Delft, who strive to increase student numbers, who benefit from diverse student populations and aim to pass on their knowledge and scientific virtues to the next generation. It is, therefore, alarming that student enrolments to Bachelor and Master Programs at TU Delft have declined in the past year. Students in front of the class The project is aimed to make the sciences more appealing to the next generation. They have identified the problem that students tend miss out on the opportunity of entering a higher education trajectory in the Beta sciences – because they have a wrong picture of such education. In their mind, they depict it as boring and dry. In his pilot lecture at the Stanislas VMBO in Delft, Amos Yusuf has successfully challenged this image. He shared his enthusiasm for the field of robotics and presented himself as a positive role model to the pupils. And in return the excitement of the high school students is palpable in the videos and pictures from the day. The spark of science fills their eyes. Bas Brouwer Mick Dam are the founders of NUVO – the platform that facilitates the engagement of Master Students in high school education in Delft Their efforts offer TU Delft Master Students a valuable learning moment: By sharing insights from their fields with pupils at high school in an educational setting, our students can find identify their own misunderstandings of their subject, learn to speak in front of non-scientific audiences and peak into education as a work field they themselves might not have considered. An extraordinary commitment According to the Mekel jury, the project scored well on all the criteria (risk mitigation, inclusiveness, transparency and societal relevance). However, it was the extraordinary commitment of Amos who was fully immersed during his Master Project and the efforts of Brouwer and Dam that brought together teaching and research which is integral to academic culture that made the project stand out. About the Mekel Prize The Mekel Prize will be awarded to the most socially responsible research project or extra-scientific activity (e.g. founding of an NGO or organization, an initiative or realization of an event or other impactful project) by an employee or group of employees of TU Delft – projects that showcase in an outstanding fashion that they have been committed from the beginning to relevant moral and societal values and have been aware of and tried to mitigate as much as possible in innovative ways the risks involved in their research. The award recognizes such efforts and wants to encourage the responsible development of science and technology at TU Delft in the future. For furthermore information About the project: https://www.de-nuvo.nl/video-robotica-pilot/ About the Mekel Prize: https://www.tudelft.nl/en/tpm/our-faculty/departments/values-technology-and-innovation/sections/ethics-philosophy-of-technology/mekel-prize

The ENHANCE Diversity Seed Fund

Are you a student at TU Delft or another ENHANCE university with a passion for promoting diversity and inclusion? The ENHANCE Diversity Seed Fund is your chance to turn that passion into action. ENHANCE provides funding to support innovative, student-led projects that address key challenges related to inclusion and diversity within our academic communities. Key Details: Funding Available: Up to 1500 Euros per project in the 1st round! Eligibility: Students from ENHANCE member universities. Staff can also join student-led initiatives. Application Deadline: 8 January 2025. More information: Join the online Information Event on the 26 November 2024 16:00-17:00 CET on Zoom . More information: enhanceuniversity.eu/diversity/diversityseedfund/

New catheter technology promises safer and more efficient treatment of blood vessels

Each year, more than 200 million catheters are used worldwide to treat vascular diseases, including heart disease and artery stenosis. When navigating into blood vessels, friction between the catheter and the vessel wall can cause major complications. With a new innovative catheter technology, Mostafa Atalla and colleagues can change the friction from having grip to completely slippery with the flick of a switch. Their design improves the safety and efficiency of endovascular procedures. The findings have been published in IEEE. Catheter with variable friction The prototype of the new catheter features advanced friction control modules to precisely control the friction between the catheter and the vessel wall. The friction is modulated via ultrasonic vibrations, which overpressure the thin fluid layer. This innovative variable friction technology makes it possible to switch between low friction for smooth navigation through the vessel and high friction for optimal stability during the procedure. In a proof-of-concept, Atalla and his team show that the prototype significantly reduces friction, averaging 60% on rigid surfaces and 11% on soft surfaces. Experiments on animal aortic tissue confirm the promising results of this technology and its potential for medical applications. Fully assembled catheters The researchers tested the prototype during friction experiments on different tissue types. They are also investigating how the technology can be applied to other procedures, such as bowel interventions. More information Publicatie DOI : 10.1109/TMRB.2024.3464672 Toward Variable-Friction Catheters Using Ultrasonic Lubrication | IEEE Journals & Magazine | IEEE Xplore Mostafa Atalla: m.a.a.atalla@tudelft.nl Aimee Sakes: a.sakes@tudelft.nl Michaël Wiertlewski: m.wiertlewski@tudelft.nl Would you like to know more and/or attend a demonstration of the prototype please contact me: Fien Bosman, press officer Health TU Delft: f.j.bosman@tudelft.nl/ 0624953733

Design and imagination as essential tools during the climate crisis

In Nature Partner Journals, ten researchers advocate the use of imagination in tackling the climate crisis. They focus specifically on urbanising river deltas, which are of great social and economic importance and highly vulnerable to climate change. "We scientists should not merely outline doomsday scenarios," says Professor Chris Zevenbergen. "Create a vision for people to believe in and work towards.”

How comfortable are cargo bikes actually for children?

It’s impossible to imagine the Dutch street scene without the cargo bike. It’s ideal for transporting goods and especially popular for shuttling children from A to B. Surprisingly, however, no real research has been done on the comfort of children during cargo bike rides. Mechanical engineering students Jelmer, Renate, Dirk-Jan, Santo and Alexander set out to change this. The final project for their bachelor’s degree is the first step in this unexplored area of research.

Inaugural address: machine optimisation key to more efficient logistics system

The processing and transport of materials can be made much more efficient, says TU Delft professor Dingena Schott in her inaugural address, ‘Advancing Transport and Processing: from Model to Impact’. She will deliver her address on 15 November. Her research focuses on the interaction between machines and materials, with a special emphasis on granular materials.

FAST University Fund invites all TU Delft students

FAST University Fund invites all TU Delft students to apply for the Ambitious Project Grant or the Event Grant of up to €15.000!

Education demonstration in Utrecht cancelled

Safety cannot be guaranteed In our post of 22 October , we announced that students and staff of TU Delft will have the opportunity to take part in protests against the cabinet's plans to cut higher education. Today it has been announced that the demonstration against the cuts to higher education and science on 14 November in Utrecht has been cancelled because the safety of the demonstrators cannot be guaranteed. Read the reaction of Universiteiten van Nederland to the cancellation of the education demonstration in Utrecht (Dutch only).

Young Investigator Award for Gabrielle Laloy-Borgna

Gabrielle has won the technical Young Investigator Award at Euroson 2024 (congress of the European Federation of Ultrasound Societies in Medicine and Biology) with her presentation entitled: “Ultrasound imaging in bones: tissue characterization, anatomical images
and blood flow measurements”.