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Barth, R. (author), Pradhan, B. (author), Kim, E. (author), Davidson, Iain F. (author), van der Torre, J. (author), Peters, Jan Michael (author), Dekker, C. (author)
DNA loop extrusion by structural-maintenance-of-chromosome (SMC) complexes has emerged as a primary organizing principle for chromosomes. The mechanism by which SMC motor proteins extrude DNA loops is still unresolved and much debated. The ring-like structure of SMC complexes prompted multiple models where the extruded DNA is topologically or...
journal article 2023
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Nova, I.C. (author), Ritmejeris, J. (author), Brinkerhoff, H.D. (author), Koenig, T.J.R. (author), Gundlach, Jens H. (author), Dekker, C. (author)
Current methods to detect post-translational modifications of proteins, such as phosphate groups, cannot measure single molecules or differentiate between closely spaced phosphorylation sites. We detect post-translational modifications at the single-molecule level on immunopeptide sequences with cancer-associated phosphate variants by...
journal article 2023
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Klughammer, N. (author), Barth, A. (author), Dekker, Maurice (author), Fragasso, A. (author), Onck, Patrick R. (author)
The nuclear pore complex (NPC) regulates the selective transport of large biomolecules through the nuclear envelope. As a model system for nuclear transport, we construct NPC mimics by functionalizing the pore walls of freestanding palladium zero-mode waveguides with the FG-nucleoporin Nsp1. This approach enables the measurement of single...
journal article 2023
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Ördög, Balázs (author), De Coster, Tim (author), Dekker, Sven O. (author), Bart, Cindy I. (author), Zhang, Juan (author), Boink, Gerard J.J. (author), Bax, Wilhelmina H. (author), Deng, Shanliang (author), den Ouden, B.L. (author), de Vries, Antoine A.F. (author), Pijnappels, Daniël A. (author)
To unlock new research possibilities by acquiring control of action potential (AP) morphologies in excitable cells, we developed an opto-electronic feedback loop-based system integrating cellular electrophysiology, real-time computing, and optogenetic approaches and applied it to monolayers of heart muscle cells. This allowed accurate...
journal article 2023
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Dekker, M.C. (author)
Repetitive Strain Injuries (RSI), also known as Work-Related Upper Limb Disorders (WRULD), surged in the early years of this millennium due to computer work. In this thesis, the magnitude, causes and consequences of this phenomenon for the student population of the Faculty of Industrial Design Engineering (IDE) at the Delft University of...
doctoral thesis 2022
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Chakrabarty, Sanjiban (author), Quiros Solano, W.F. (author), Kuijten, Maayke M.P. (author), Haspels, Ben (author), Mallya, Sandeep (author), van de Stolpe, Anja (author), Odijk, Hanny (author), van Weerden, Wytske M. (author), Dekker, R. (author)
Optimal treatment of cancer requires diagnostic methods to facilitate therapy choice and prevent ineffective treatments. Direct assessment of therapy response in viable tumor specimens could fill this diagnostic gap. Therefore, we designed a microfluidic platform for assessment of patient treatment response using tumor tissue slices under...
journal article 2022
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Kawasaki, S. (author), Yeh, Jia-Jun (author), Saccher, M. (author), Li, Jian (author), Dekker, R. (author)
The main limitation of acoustic particle separation for microfluidic application is its low sorting efficiency. This is due to the weak coupling of surface acoustic waves (SAWs) into the microchannel. In this work, we demonstrate bulk acoustic wave (BAW) particle sorting using capacitive micromachined ultrasonic transducers (CMUTs) for the first...
conference paper 2022
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Ryu, J.K. (author), Rah, S.H. (author), Janissen, R. (author), Kerssemakers, J.W.J. (author), Bonato, Andrea (author), Michieletto, Davide (author), Dekker, C. (author)
The condensin SMC protein complex organizes chromosomal structure by extruding loops of DNA. Its ATP-dependent motor mechanism remains unclear but likely involves steps associated with large conformational changes within the ∼50 nm protein complex. Here, using high-resolution magnetic tweezers, we resolve single steps in the loop extrusion...
journal article 2022
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Saccher, M. (author), Kawasaki, S. (author), Proietti Onori, Martina (author), van Woerden, Geeske M. (author), Giagka, Vasiliki (author), Dekker, R. (author)
Background<br/>Microelectrode arrays (MEA) enable the measurement and stimulation of the electrical activity of cultured cells. The integration of other neuromodulation methods will significantly enhance the application range of MEAs to study their effects on neurons. A neuromodulation method that is recently gaining more attention is focused...
journal article 2022
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Dekker, W.J.C. (author), Jürgens, H. (author), Ortiz Merino, R.A. (author), Mooiman, C. (author), van den Berg, Remon (author), Kaljouw, Astrid (author), Mans, R. (author), Pronk, J.T. (author)
While thermotolerance is an attractive trait for yeasts used in industrial ethanol production, oxygen requirements of known thermotolerant species are incompatible with process requirements. Analysis of oxygen-sufficient and oxygen-limited chemostat cultures of the facultatively fermentative, thermotolerant species Ogataea parapolymorpha...
journal article 2022
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Boskeljon-Horst, Leonie (author), J. de Boer, Robert (author), Sillem, S. (author), Dekker, Sidney W. A. (author)
In this study we identify the differences in goal realisation when applying two conflicting paradigms regarding rule perception and management. We gathered more than 30 scenarios where goal conflicts were apparent in a military operational unit. We found that operators repetitively utilized certain routines in executing their tasks in an effort...
journal article 2022
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Tišma, M. (author), Panoukidou, Maria (author), Antar, Hammam (author), Soh, Young Min (author), Barth, R. (author), Pradhan, B. (author), Barth, A. (author), van der Torre, J. (author), Dekker, C. (author)
The ParABS system is essential for prokaryotic chromosome segregation. After loading at parS on the genome, ParB (partition protein B) proteins rapidly redistribute to distances of ~15 kilobases from the loading site. It has remained puzzling how this large-distance spreading can occur along DNA loaded with hundreds of proteins. Using in...
journal article 2022
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Würthner, Laeschkir (author), Brauns, Fridtjof (author), Pawlik, G. (author), Halatek, Jacob (author), Kerssemakers, J.W.J. (author), Dekker, C. (author), Frey, Erwin (author)
Self-organized pattern formation is vital for many biological processes. Reaction-diffusion models have advanced our understanding of how biological systems develop spatial structures, starting from homogeneity. However, biological processes inherently involve multiple spatial and temporal scales and transition from one pattern to another...
journal article 2022
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Satam, Anuja P. (author), van der Leeden, Marike (author), de Zwart, Arjan (author), Verberne, Simon (author), Schrijvers, Jim C. (author), Hall, Michelle (author), Dekker, Joost (author), Lems, Willem F. (author), Harlaar, J. (author), van der Esch, Martin (author)
Background: Muscle weakness is characteristic of knee osteoarthritis. Muscle steadiness may be an important adjunct to knee muscle strength in improving physical function in knee osteoarthritis. However, the role of muscle steadiness is uncertain. Aims: To determine the associations of knee extensor muscle steadiness with maximal voluntary...
journal article 2022
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Meindlhumer, S. (author), Kerssemakers, J.W.J. (author), Dekker, C. (author)
The Min protein system is arguably the best-studied model system for biological pattern formation. It exhibits pole-to-pole oscillations in E. coli bacteria as well as a variety of surface wave patterns in in vitro reconstitutions. Such Min surface wave patterns pose particular challenges to quantification as they are typically only semi...
journal article 2022
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Dekker, S.W.A. (author), Tooma, Michael (author)
The shortcomings of incident-based metrics for worker safety such as total recordable incident frequency rate (TRIFR) are well documented. In particular, a low TRIFR is no assurance against legal liability. There is considerable overlap between the literature on safety as the presence of capacities to make things go well, and jurisprudence in...
journal article 2022
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Boskeljon-Horst, L. (author), Sillem, S. (author), Dekker, S.W.A. (author)
There is little empirical evidence on the predictive value of safety culture assessments (SCAs) in relation to how accident-prone an organisation might be. Recently, Antonsen not just demonstrated how a quantitative SCA mispredicted future safety outcomes, but actually showed an inverse relationship between the assessment and subsequent critical...
journal article 2022
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Dekker, S.W.A. (author), Layson, Mark D. (author), Woods, David D. (author)
Following other contributions about the MAX accidents to this journal, this paper explores the role of betrayal and moral injury in safety engineering related to the U.S. federal regulator’s role in approving the Boeing 737MAX—a plane involved in two crashes that together killed 346 people. It discusses the tension between humility and hubris...
journal article 2022
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de Haas, K. (author), Berkhout, B (author), Dekker, H.R.E. (author), Broere, W. (author)
Determining the scope of (structural) renovation of aging tunnels is a complicated task and modular renovation is becoming increasingly necessary. The COB Tunnel Programme aims at developing the knowledge necessary to renovate these tunnels in a modular fashion, to reduce hindrance as much as possible. Part of this program is the development of...
conference paper 2022
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Li, J. (author), Li, Chenhui (author), Henneken, Vincent (author), Louwerse, Marcus (author), Van Rens, Jeannet (author), Dijkstra, Paul (author), Raz, Oded (author), Dekker, R. (author)
The digitization of smart catheters will dramatically increase the demand for reliable and high data transmission in the distal tips. Optical fiber is a good candidate to provide high-speed data transmission. However, the extremely small size of the smart catheter tip, with less than a few millimeters in diameter, hampers the integration of...
journal article 2022
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