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Kim, Eugene (author), Barth, R. (author), Dekker, C. (author)SMC (structural maintenance of chromosomes) protein complexes are an evolutionarily conserved family of motor proteins that hold sister chromatids together and fold genomes throughout the cell cycle by DNA loop extrusion. These complexes play a key role in a variety of functions in the packaging and regulation of chromosomes, and they have...review 2023
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Diameter Dependence of Transport through Nuclear Pore Complex Mimics Studied Using Optical NanoporesKlughammer, 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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De Franceschi, N. (author), Barth, R. (author), Meindlhumer, S. (author), Fragasso, A. (author), Dekker, C. (author)Membrane abscission, the final cut of the last connection between emerging daughter cells, is an indispensable event in the last stage of cell division and in other cellular processes such as endocytosis, virus release or bacterial sporulation. However, its mechanism remains poorly understood, impeding its application as a cell-division...journal article 2023
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Shi, X. (author), Pumm, Anna Katharina (author), Maffeo, Christopher (author), Kohler, Fabian (author), Feigl, Elija (author), Zhao, W. (author), Verschueren, D.V. (author), Golestanian, Ramin (author), Aksimentiev, Aleksei (author), Dietz, Hendrik (author), Dekker, C. (author)Rotary motors play key roles in energy transduction, from macroscale windmills to nanoscale turbines such as ATP synthase in cells. Despite our abilities to construct engines at many scales, developing functional synthetic turbines at the nanoscale has remained challenging. Here, we experimentally demonstrate rationally designed nanoscale DNA...journal article 2023
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Dekker, H.N.J. (author), Baars, W.J. (author), Scarano, F. (author), Tuinstra, Marthijn (author), Ragni, D. (author)The unsteady flow behaviour of two side-by-side rotors in ground proximity is experimentally investigated. The rotors induce a velocity distribution interacting with the ground causing the radial expansion of the rotor wakes. In between the rotors, an interaction of the two wakes takes place, resulting in an upward flow similar to a fountain....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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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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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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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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Whitley, K.D. (author), Middlemiss, Stuart (author), Jukes, Calum (author), Dekker, C. (author), Holden, Séamus (author)Light microscopy is indispensable for analysis of bacterial spatial organization, yet the sizes and shapes of bacterial cells pose unique challenges to imaging. Bacterial cells are not much larger than the diffraction limit of visible light, and many species have cylindrical shapes and so lie flat on microscope coverslips, yielding low...review 2022
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Blanch Jover, A. (author), De Franceschi, N. (author), Fenel, Daphna (author), Weissenhorn, Winfried (author), Dekker, C. (author)The Cdv proteins constitute the cell division system of the Crenarchaea, a machinery closely related to the ESCRT system of eukaryotes. Using a combination of TEM imaging and biochemical assays, we here present an in vitro study of Metallosphaera sedula CdvB1, the Cdv protein that is believed to play a major role in the constricting ring that...journal article 2022
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Roslon, I.E. (author), Japaridze, A. (author), Steeneken, P.G. (author), Dekker, C. (author), Alijani, F. (author)Motion is a key characteristic of every form of life<sup>1</sup>. Even at the microscale, it has been reported that colonies of bacteria can generate nanomotion on mechanical cantilevers<sup>2</sup>, but the origin of these nanoscale vibrations has remained unresolved<sup>3,4</sup>. Here, we present a new technique using drums made of...journal article 2022
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Dekker, J.J. (author), van Dongen, Jacques J.M. (author), Reinders, M.J.T. (author), Khatri, Indu (author)The IMGT database profiles the TR germline alleles for all four TR loci (TRA, TRB, TRG and TRD), however, it does not comprise of the information regarding population specificity and allelic frequencies of these germline alleles. The specificity of allelic variants to different human populations can, however, be a rich source of information...journal article 2022