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Tromp, Willem O. (author), Benschop, Tjerk (author), Ge, Jian Feng (author), Battisti, Irene (author), Bastiaans, K.M. (author), Chatzopoulos, Damianos (author), Vervloet, Amber H.M. (author), Smit, Steef (author), Yin, Yi (author)The cuprate high-temperature superconductors exhibit many unexplained electronic phases, but the superconductivity at high doping is often believed to be governed by conventional mean-field Bardeen–Cooper–Schrieffer theory<sup>1</sup>. However, it was shown that the superfluid density vanishes when the transition temperature goes to zero<sup...journal article 2023
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O’Brien, Lisa (author), Montesano, Elena (author), Chadwell, Alix (author), Kenney, Laurence (author), Smit, G. (author)(1) Background: This study investigated the feasibility of conducting a two-week “real-world” trial of the Self Grasping Hand (SGH), a novel 3D printed passive adjustable prosthesis for hand absence; (2) Methods: Single-group pilot study of nine adults with trans-radial limb absence; five used body-powered split-hooks, and four had passive...journal article 2022
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Culmone, C. (author), van Starkenburg, R.I.B. (author), Smit, G. (author), Breedveld, P. (author)In laparoscopy, a small incision size improves the surgical outcome but increases at the same time the rigidity of the instrument, with consequent impairment of the surgeon’s maneuverability. Such reduction introduces new challenges, such as the loss of wrist articulation or the impossibility of overcoming obstacles. A possible approach is using...journal article 2022
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van Wees, Mark (author), Revilla, Beatriz Pineda (author), Fitzgerald, Helena (author), Ahlers, Dirk (author), Romero Herrera, N.A. (author), Alpagut, Beril (author), Kort, Joke (author), Tjahja, Cyril (author), Smit, Sander (author)It is commonly assumed by the projects demonstrating concepts for positive energy districts in cities across Europe that citizens want and need to be involved in the development of these concepts as an essential condition for positive energy districts to be deployed successfully and to achieve the expected societal goals. Six different...journal article 2022
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Smit, J.M. (author), Krijthe, J.H. (author), Gommers, D.A.M.P.J. (author), Kamps, M. J.A. (author), Cornet, A.J. (author), Arbous, M. S. (author), De Bruin, D. P. (author), Van Bommel, J. (author), Reinders, M.J.T. (author)Background: The COVID-19 pandemic continues to overwhelm intensive care units (ICUs) worldwide, and improved prediction of mortality among COVID-19 patients could assist decision making in the ICU setting. In this work, we report on the development and validation of a dynamic mortality model specifically for critically ill COVID-19 patients...journal article 2022
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Rijnsdorp, D.P. (author), Smit, Pieter B. (author), Guza, R. T. (author)A fully nonlinear non-dispersive energy balance for surfzone waves is derived based on the nonlinear shallow water equations to study the nearshore dynamics of infragravity (IG) waves. Based on simulations of waves on a relatively moderate and mild beach slope with a non-hydrostatic wave-flow model (SWASH), the new theory shows that spatial...journal article 2022
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Smit, J.M. (author), Krijthe, J.H. (author), Tintu, Andrei N. (author), Endeman, Henrik (author), Ludikhuize, Jeroen (author), van Genderen, Michel E. (author), Gommers, D.A.M.P.J. (author), Arbous, M.S. (author), Reinders, M.J.T. (author)Background: Timely identification of deteriorating COVID-19 patients is needed to guide changes in clinical management and admission to intensive care units (ICUs). There is significant concern that widely used Early warning scores (EWSs) underestimate illness severity in COVID-19 patients and therefore, we developed an early warning model...journal article 2022
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Abunada, M.B.M. (author), Dhakal, N. (author), Andyar, William Z. (author), Ajok, Pamela (author), Smit, Herman (author), Ghaffour, Noreddine (author), Schippers, Jan C. (author), Kennedy, M.D. (author)This study aimed to quantify the effect of membrane surface porosity on particulate fouling predicted by the MFI-UF method at constant flux. Firstly, the surface porosity of polyethersulfone UF membranes (5–100 kDa) was determined using ultra-high resolution SEM. Thereafter, the MFI-UF was measured using suspensions of polystyrene particles ...journal article 2022
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van Dobben de Bruyn, J. (author), Smit, Harry (author), van der Wegen, Marieke (author)This paper compares the divisorial gonality of a finite graph G to the divisorial gonality of the associated metric graph Γ(G,1) with unit lengths. We show that dgon(Γ(G,1)) is equal to the minimal divisorial gonality of all regular subdivisions of G, and we provide a class of graphs for which this number is strictly smaller than the...journal article 2022
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- Smit, J. M. (author), van Genderen, M. E. (author), Reinders, M.J.T. (author), Gommers, D. A.M.P.J. (author), Krijthe, J.H. (author), Van Bommel, J. (author) journal article 2021
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The Stumblemeter: Design and Validation of a System That Detects and Classifies Stumbles during Gaitden Hartog, D.D.G. (author), Harlaar, J. (author), Smit, G. (author)Stumbling during gait is commonly encountered in patients who suffer from mild to serious walking problems, e.g., after stroke, in osteoarthritis, or amputees using a lower leg prosthesis. Instead of self-reporting, an objective assessment of the number of stumbles in daily life would inform clinicians more accurately and enable the evaluation...journal article 2021
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Valentine, David Callisto (author), Smit, I.R. (author), Kim, E.D.H. (author)Trust is an important factor in building acceptance of autonomous vehicles within our society, but the complex nature of trust makes it challenging to design for an appropriate level of trust. This can lead to instances of mistrust and/or distrust between users and AV’s. Designing for calibrated trust is a possible option to address this...journal article 2021
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Creating 3d indoor first responder situation awareness in real-time through a head-mounted ar deviceSmit, Bart Peter (author), Voûte, R.L. (author), Verbree, E. (author)Emergency operations are a key example for the need of digital twins in the way it is complex, urgent and uncertain. First, the process is complex, as many organizations are involved. Second, it is urgent, as most damage is done in the first moments of an emergency. Third, it is uncertain, as situational conditions tend to change quickly. For...journal article 2021
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Culmone, C. (author), Lussenburg, K.M. (author), Alkemade, J.P.E. (author), Smit, G. (author), Sakes, A. (author), Breedveld, P. (author)In the field of medical instruments, additive manufacturing allows for a drastic reduction in the number of components while improving the functionalities of the final design. In addition, modifications for users’ needs or specific procedures become possible by enabling the production of single customized items. In this work, we present the...journal article 2021
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Chadwell, Alix (author), Chinn, Natalie (author), Kenney, Laurence (author), Karthaus, Zoë J. (author), Mos, Daniek (author), Smit, G. (author)The Delft Self-Grasping Hand is an adjustable passive prosthesis operated using the concept of tenodesis (where opening and closing of the hand is mechanically linked to the flexion and extension of the wrist). As a purely mechanical device that does not require harnessing, the Self-Grasping Hand offers a promising alternative to current...journal article 2021
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Cuellar Lopez, J.S. (author), Plettenburg, D.H. (author), Zadpoor, A.A. (author), Breedveld, P. (author), Smit, G. (author)Various upper-limb prostheses have been designed for 3D printing but only a few of them are based on bio-inspired design principles and many anatomical details are not typically incorporated even though 3D printing offers advantages that facilitate the application of such design principles. We therefore aimed to apply a bio-inspired approach...journal article 2021
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Bodlaender, Hans L. (author), van Dobben de Bruyn, J. (author), Gijswijt, Dion (author), Smit, Harry (author)In this paper, we give a constructive proof of the fact that the treewidth of a graph is at most its divisorial gonality. The proof gives a polynomial time algorithm to construct a tree decomposition of width at most k, when an effective divisor of degree k that reaches all vertices is given. We also give a similar result for two related...journal article 2021
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Lumban-Gaol, Y. A. (author), Chen, Z. (author), Smit, M. (author), Li, X. (author), Erbaşu, M. A. (author), Verbree, E. (author), Balado Frías, J. (author), Meijers, B.M. (author), van der Vaart, C.G. (author)Point cloud data have rich semantic representations and can benefit various applications towards a digital twin. However, they are unordered and anisotropically distributed, thus being unsuitable for a typical Convolutional Neural Networks (CNN) to handle. With the advance of deep learning, several neural networks claim to have solved the...journal article 2021
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Dittli, Jan (author), Hofmann, Urs A.T. (author), Bützer, Tobias (author), Smit, G. (author), Lambercy, Olivier (author), Gassert, Roger (author)Wearable robots assist individuals with sensorimotor impairment in daily life, or support industrial workers in physically demanding tasks. In such scenarios, low mass and compact design are crucial factors for device acceptance. Remote actuation systems (RAS) have emerged as a popular approach in wearable robots to reduce perceived weight...journal article 2021
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de Ridder, M.P. (author), Smit, Pieter B. (author), van Dongeren, Ap R. (author), McCall, Robert T. (author), Nederhoff, Kees (author), Reniers, A.J.H.M. (author)A 2-layer non-hydrostatic model with improved dispersive behaviour is presented. Due to the assumption of a constant non-hydrostatic pressure distribution in the lower layer, the dispersive behaviour is improved without much additional computational time. A comparison with linear wave theory showed that this 2-layer model gives a better...journal article 2021