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Bijster, R.J.F. (author), van Keulen, F. (author)
Multilayer cantilever beams are used in the measurement of near-field radiative heat transfer. The materials and dimensions of the cantilever probe are chosen in order to improve system performance in terms of sensitivity and noise. This is done using an analytical model that describes the thermo-mechanical and mechanical behavior of the...
article 2021
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Hamdiui, N. (author), Marchena, E. (author), Stein, M.L. (author), van Steenbergen, J.E. (author), Crutzen, R. (author), van Keulen, H.M. (author), Reis, R. (author), van den Muijsenbergh, M.E.T.C. (author), Timen, A. (author)
Objectives: Whether the lower Dutch cervical cancer (CC) screening participation of Turkish- and Moroccan-Dutch women is based on informed decision-making is unknown. Our aim was to explore how and why Turkish- and Moroccan-Dutch women decide to participate or not in the current Dutch CC screening programme as well as to learn their perceptions...
article 2021
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Heijne, M. (author), Jelocnik, M. (author), Umanets, A. (author), Brouwer, M.S.M. (author), Dinkla, A. (author), Harders, F. (author), van Keulen, L.J.M. (author), Roest, H.J. (author), Schaafsma, F. (author), Velkers, F.C. (author), van der Goot, J.A. (author), Pannekoek, Y. (author), Koets, A.P. (author)
Chlamydia gallinacea is an obligate intracellular bacterium that has recently been added to the family of Chlamydiaceae. C. gallinacea is genetically diverse, widespread in poultry and a suspected cause of pneumonia in slaughterhouse workers. In poultry, C. gallinacea infections appear asymptomatic, but studies about the pathogenic potential are...
article 2021
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van Keulen, H.M. (author), van Breukelen, G. (author), de Vries, H. (author), Brug, J. (author), Mesters, I. (author)
Worldwide, adherence to national guidelines for physical activity (PA), and fruit and vegetable consumption is recommended to promote health and reduce the risk for (chronic) disease. This study reports on the effectiveness of various social-cognitive interventions to improve adherence to guidelines and the revealed adherence predictors....
article 2021
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van Keulen, R. (author), van Heide, M. (author)
De coronacrisis heeft veel bedrijven in zwaar weer gebracht. TNO merkt dat bedrijven in een aantal sectoren daardoor minder in R&D investeren. Tijdens de vorige (krediet)crisis was een significante terugval in R&D-investeringen van bedrijven waarneembaar. De Nederlandse economie heeft daar langjarig de negatieve gevolgen van ondervonden. Om...
other 2021
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van Keulen, D. (author), van Koeverden, I.D. (author), Boltjes, A. (author), Princen, H.M.G. (author), van Gool, A.J. (author), Asselbergs, F.W. (author), Tempel, D. (author), Pasterkamp, G. (author), van der Laan, S.W. (author)
Background and Aims: Oncostatin M (OSM) signaling is implicated in atherosclerosis, however the mechanism remains unclear. We investigated the impact of common genetic variants in OSM and its receptors, OSMR and LIFR, on overall plaque vulnerability, plaque phenotype, intraplaque OSMR and LIFR expression, coronary artery calcification burden and...
article 2021
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Keyvani Janbahan, A. (author), van der Veen, G. (author), Tamer, M.S. (author), Sadeghian Marnani, H. (author), Goosen, H. (author), van Keulen, F. (author)
The real-time and accurate measurement of tip-sample interaction forces in Tapping Mode Atomic Force Microscopy (TM-AFM) is a remaining challenge. This obstruction fundamentally stems from the causality of the physical systems. Since the input of the dynamic systems propagates to the output with some delay, and multiple different inputs can...
article 2020
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Anraad, C. (author), Lehmann, B.A. (author), Visser, O. (author), van Empelen, P. (author), Paulussen, T.G.W. (author), Ruiter, R.A.C. (author), Kamp, L. (author), van der Maas, N.A.T. (author), Barug, D. (author), Ruijs, W.L.M. (author), Melkler, H.E. (author), Mollema, L. (author), van Keulen, H.M. (author)
Background: Maternal Pertussis Vaccination (MPV) during pregnancy became part of the National Immunization Program in the Netherlands late 2019. This study aims to identify social-psychological factors associated with MPV acceptance among Dutch women to add to the current understanding of vaccine hesitancy worldwide, and to inform the...
article 2020
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van Keulen, R. (author), de Heide, M. (author)
Given that it appears that the ‘intelligent lockdown’ is gradually being eased, more and more attention is being paid to a ‘restart’, with the question being: how can the Dutch economy emerge from the coronavirus crisis stronger? Our neighbours to the east have actually been increasing investments in innovation since the banking crisis in 2008....
other 2020
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Anraad, C. (author), van Keulen, H. (author), Lehmann, B. (author), Mollema, L. (author), Ruiter, R. (author), van Empelen, P. (author)
Introduction. We studied the information and care need of pregnant women regarding maternal pertussis vaccination (MPV). Methods. We conducted a cross-sectional study using an online survey among 202 pregnant women. They were asked what kind of information they would want to receive about the vaccination, at which moment and from whom, as well...
article 2020
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Pot, M. (author), Paulussen, T.G. (author), Ruiter, R.A. (author), Eekhout, I. (author), de Melker, H.E. (author), Spoelstra, M.E. (author), van Keulen, H.M. (author)
article 2020
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Bakhuys Roozeboom, M.M.C. (author), Huijs, J. (author), van der Beek, D. (author), van Keulen, H. (author), Goede, H. (author), Bouwens, L. (author), van der Meer, L. (author), de Korte, E. (author), van Empelen, P. (author)
Veel gezondheids- en veiligheidsrisico’s op de werkvloer zijn te voorkomen. Dit zou niet alleen de ziektelast in Nederland fors terugdringen, maar tevens voor enorme besparingen zorgen. Bijna een kwart van het ziekteverzuim in Nederland heeft (deels) een werkgerelateerde oorzaak, dit kost vijf miljard euro aan loondoorbetaling per jaar1.
report 2020
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Pot, M. (author), Paulussen, T.G. (author), Ruiter, R.A. (author), Hofstra, M. (author), van Keulen, H.M. (author)
Background: In the Netherlands, human papillomavirus (HPV) vaccination uptake remains low. To improve informed decision making (IDM) and HPV vaccination acceptability, we systematically developed an interactive, web-based tailored intervention to which mothers of Dutch girls were invited to participate. Objective: The aim of this study was to...
article 2020
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van der Weijst, R. (author), van Keulen, T. (author), Willems, F.P.T. (author)
Exhaust gas recirculation (EGR) is an often applied mechanism to suppress the emission of NOx in Diesel engines. EGR however, induces a pumping-loss, which reduces the fuel efficiency of the engine. The corresponding control problem is to track a reference EGR fraction, while simultaneously using the available actuators to minimize pumping-loss....
conference paper 2019
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van der Weijst, R. (author), van Keulen, T. (author), Willems, F.P.T. (author)
This work presents a new method for online fuel-efficiency optimization of Diesel engines, using constrained extremum-seeking. A two-input optimization problem, which is suitable for extremum-seeking, is integrated into a tracking control system. As a result, both air-path and fuel-path actuators are used for tracking and extremum-seeking. A key...
article 2019
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Keyvani Janbahan, A. (author), Tamer, M.S. (author), van Wingerden, J.W. (author), Goosen, J.F.L. (author), van Keulen, F. (author)
Many investigations have focused on steady-state nonlinear dynamics of cantilevers in tapping mode atomic force microscopy (TM-AFM). However, a transient dynamic model?which is essential for a model-based control design?is still missing. In this paper, we derive a mathematical model which covers both the transient and steady-state behavior. The...
article 2019
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Otten, W. (author), de Hoogh, I.M. (author), van Keulen, H. (author), Krijger, J.M. (author), van Dijk, K. (author), Berbée, S. (author), van Empelen, P. (author)
Poster Wednesday Session 3 (Policy & Practice, Research and Teaching)’, inclusief poster abstract.
conference paper 2019
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van Keulen, H. (author), Aalhuizen, I. (author), Kamphues, C. (author)
public lecture 2019
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Pot, M. (author), van Keulen, H. (author), Paulussen, T. (author), Otten, W. (author), van Steenbergen, J. (author), Ruiter, R. (author)
Background: In order to promote HPV-vaccination acceptability among mothers of invited girls, we developed a web-based, tailored intervention. This study reports on an experimental pretest for the component of this intervention targeting mothers’ perceptions of their daughters’ susceptibility towards HPV-related risk factors. Statistical versus...
article 2019
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Jung, O. (author), Glachs, D. (author), Strohmeier, F. (author), Mulrenin, R. (author), Huisman, S. (author), Smith, I. (author), van Keulen, H. (author), Sont, J. (author), Ploessnig, M. (author)
The number of people with diabetes is increasing in every European country and like all chronic diseases it cannot be cured. However, patient empowerment is an acknowledged strategy for improving the patients' health situation. This paper describes the Action Plan Engine developed as a tool for diabetes patients in the POWER2DM project. The...
article 2019
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