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4,074 results on '"Peeters M."'

1. Fluoropyrimidine type, patient age, tumour sidedness and mutation status as determinants of benefit in patients with metastatic colorectal cancer treated with EGFR monoclonal antibodies: individual patient data pooled analysis of randomised trials from the ARCAD database

Author

Karapetis, C. S., Liu, H., Sorich, M. J., Pederson, L. D., Van Cutsem, E., Maughan, T., Douillard, J. Y., O’Callaghan, C. J., Jonker, D., Bokemeyer, C., Sobrero, A., Cremolini, C., Chibaudel, B., Zalcberg, J., Adams, R., Buyse, M., Peeters, M., Yoshino, T., de Gramont, A., and Shi, Q.

Published
2024
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2. Optical spin-wave detection beyond the diffraction limit

Author

Lucassen, J., Peeters, M. J. G., Schippers, C. F., Duine, R. A., Swagten, H. J. M., Koopmans, B., and Lavrijsen, R.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Spin waves are proposed as information carriers for next-generation computing devices because of their low power consumption. Moreover, their wave-like nature allows for novel computing paradigms. Conventional methods to detect spin waves are based either on electrical induction, limiting the downscaling and efficiency complicating eventual implementation, or on light scattering, where the minimum detectable spin-wave wavelength is set by the wavelength of the laser. In this Article we demonstrate magneto-optical detection of spin waves beyond the diffraction limit using a metallic grating that selectively absorbs laser light. Specifically, we demonstrate the detection of propagating spin waves with a wavelength of 700 nm using a diffraction-limited laser spot with a size of 10 $\mu$m in 20 nm thick Py strips. Additionally, we show that this grating is selective to the wavelength of the spin wave, providing wavevector-selective spin-wave detection. This should open up new avenues towards the integration of the burgeoning fields of photonics and magnonics, and aid in the optical detection of spin waves in the short-wavelength exchange regime for fundamental research., Comment: Includes supplementary

Published
2022
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4. Influence of magnetic fields on ultrafast laser-induced switching dynamics in Co/Gd bilayers

Author

Peeters, M. J. G., van Ballegooie, Y. M., and Koopmans, B.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Recently it has been shown that not only GdFeCo alloys exhibit single-pulse helicity-independent all-optical switching (HI-AOS), but that this effect is also seen in Co/Gd bilayers. However, there have been no reports on the explicit time dynamics of the switching process in these bilayers as of yet. Furthermore, time-resolved measurements of switching of other materials are typically done with a constant applied field to reset the magnetization between consecutive pulses and thus ensure repeatable behavior. In this paper we experimentally resolve the explicit dynamics of the switching process in Co/Gd, and the influence of applied magnetic fields on the switching process. We observe that after a switch within several picoseconds, the magnetization switches back at a timescale of hundreds of picoseconds. This backswitch includes a strong dependence on the magnetic field strength even at sub-tesla fields, significantly smaller than the exchange fields that govern the switching dynamics. This surprising behaviour is explained by a combination of longitudinal switching (on a picosecond timescale), precessional switching (on a nanosecond timescale) and domain-wall motion (on a timescale of 10 ns and beyond). We discuss these different switching regimes and their relative importance using simple model calculations.

Published
2021
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5. Understanding breast cancer complexity to improve patient outcomes: The St Gallen International Consensus Conference for the Primary Therapy of Individuals with Early Breast Cancer 2023

Author

Aebi, S., Al-Foheidi, M., André, F., Anikusko, M., Badwe, R., Barrio, A.V., Barrios, C., Bergh, J., Bonnefoi, H., Bretel Morales, D., Brucker, S., Burstein, H.J., Caldas, C., Cameron, D., Cardoso, F., Cardoso, M.J., Carey, L., Chia, S., Coles, C., Cortes, J., Curigliano, G., de Boniface, J., Delaloge, S., DeMichele, A., Denkert, C., Fastner, G., Fitzal, F., Francis, P., Gamal, H., Gentilini, O., Gnant, M., Gradishar, W., Gulluoglu, B., Harbeck, N., Heil, J., Huang, C.-S.H., Huober, J., Jiang, Z., Kaidar-Person, O., Kok, M., Lee, E.-S., Loi, S., Loibl, S., Martin, M., Meattini, I., Morrow, M., Partridge, A., Penault-Llorca, F., Piccart, M., Pierce, L., Poortmans, P., Regan, M., Reis-Filho, J., Rubio, I., Rugo, H., Rutgers, E., Saura, C., Senkus, E., Shao, Z., Singer, C., Spanic, T., Thuerlimann, B., Toi, M., Tolaney, S., Turner, N., Tutt, A., Vrancken Peeters, M.-J., Watanabe, T., Weber, W., Wildiers, H., Xu, B., Regan, M.M., Weber, W.P., and Thürlimann, B.

Published
2023
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6. Pluggable Social Artificial Intelligence for Enabling Human-Agent Teaming

Author

van Diggelen, J., Barnhoorn, J. S., Peeters, M. M. M., van Staal, W., Stolk, M. L., van der Vecht, B., van der Waa, J., and Schraagen, J. M.

Subjects
Computer Science - Artificial Intelligence, Computer Science - Human-Computer Interaction
Abstract

As intelligent systems are increasingly capable of performing their tasks without the need for continuous human input, direction, or supervision, new human-machine interaction concepts are needed. A promising approach to this end is human-agent teaming, which envisions a novel interaction form where humans and machines behave as equal team partners. This paper presents an overview of the current state of the art in human-agent teaming, including the analysis of human-agent teams on five dimensions; a framework describing important teaming functionalities; a technical architecture, called SAIL, supporting social human-agent teaming through the modular implementation of the human-agent teaming functionalities; a technical implementation of the architecture; and a proof-of-concept prototype created with the framework and architecture. We conclude this paper with a reflection on where we stand and a glance into the future showing the way forward., Comment: presented at NATO HFM symposium on Human Autonomy Teaming, Portsmouth, October 2018

Published
2019

10. 6 Specifieke bestralingsapparatuur

Author

Althof, V. G. M., Dries, W. J. F., Petoukhova, A. L., Peeters, M. H. W., van den Elzen-Peeters, M. Y. G., Troost, E. G. C., van Asselen, B., Bohoudi, O., Philippens, M. E. P., Wittkamper, F. W., Milder, M. T. W., Huge, M., Smit, A. E., Dam, Tom, Series Editor, Froma, Age, Series Editor, Hakkert, Marcel, Series Editor, Hensen, Jacques, Series Editor, Scheurleer, Jelle, Series Editor, Sutherland, Iris, Series Editor, Tempelman, Gert, Series Editor, Zuurbier, Ria, Series Editor, Mast, Mirjam, editor, and Welleweerd, Hans, editor

Published
2020
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12. PRECISION: the Belgian molecular profiling program of metastatic cancer for clinical decision and treatment assignment

Author

Thouvenin, J., Van Marcke, C., Decoster, L., Raicevic, G., Punie, K., Vandenbulcke, M., Salgado, R., Van Valckenborgh, E., Maes, B., Joris, S., Steichel, D. Vander, Vranken, K., Jacobs, S., Dedeurwaerdere, F., Martens, G., Devos, H., Duhoux, F.P., Rasschaert, M., Pauwels, P., Geboes, K., Collignon, J., Tejpar, S., Canon, J.-L., Peeters, M., Rutten, A., Van de Mooter, T., Vermeij, J., Schrijvers, D., Demey, W., Lybaert, W., Van Huysse, J., Mebis, J., Awada, A., Claes, K.B.M., Hebrant, A., Van der Meulen, J., Delafontaine, B., Bempt, I. Vanden, Maetens, J., de Hemptinne, M., Rottey, S., Aftimos, P., and De Grève, J.

Published
2022
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17. Reduced humoral immune response after BNT162b2 coronavirus disease 2019 messenger RNA vaccination in cancer patients under antineoplastic treatment

Author

Peeters, M., Verbruggen, L., Teuwen, L., Vanhoutte, G., Vande Kerckhove, S., Peeters, B., Raats, S., Van der Massen, I., De Keersmaecker, S., Debie, Y., Huizing, M., Pannus, P., Neven, K., Ariën, K.K., Martens, G.A., Van Den Bulcke, M., Roelant, E., Desombere, I., Anguille, S., Goossens, M., Vandamme, T., and van Dam, P.

Published
2021
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19. Precession-torque-driven domain-wall motion in out-of-plane materials

Author

Peeters, M. J. G., Ummelen, F. C., Lalieu, M. L. M., Kim, J. -S., Swagten, H. J. M., and Koopmans, B.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Domain-wall (DW) motion in magnetic nanostrips is intensively studied, in particular because of the possible applications in data storage. In this work, we will investigate a novel method of DW motion using magnetic field pulses, with the precession torque as the driving mechanism. We use a one dimensional (1D) model to show that it is possible to drive DWs in out-of-plane materials using the precession torque, and we identify the key parameters that influence this motion. Because the DW moves back to its initial position at the end of the field pulse, thereby severely complicating direct detection of the DW motion, depinning experiments are used to indirectly observe the effect of the precession torque. The 1D model is extended to include an energy landscape in order to predict the influence of the precession torque in the depinning experiments. Although preliminary experiments did not yet show an effect of the precession torque, our calculations indicate that depinning experiments can be used to demonstrate this novel method of DW motion in out-of-plane materials, which even allows for coherent motion of multiple domains when the Dzyaloshinskii-Moriya interaction is taken into account.

Published
2016
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21. The role of social cognitions in the social gradient in adolescent mental health:A longitudinal mediation model

Author

Weinberg, Dominic, Stevens, Gonneke W. J. M., Peeters, M, Visser, Kirsten, Frankenhuis, Willem, Finkenauer, Catrin, Weinberg, Dominic, Stevens, Gonneke W. J. M., Peeters, M, Visser, Kirsten, Frankenhuis, Willem, and Finkenauer, Catrin

Abstract

The social gradient in adolescent mental health is well established: adolescents' socioeconomic status is negatively associated with their mental health. However, despite changes in social cognition during adolescence, little is known about whether social cognitions mediate this gradient. Therefore, this study tested this proposed mediational path using three data waves, each 6 months apart, from a socioeconomically diverse sample of 1,429 adolescents (M-age = 17.9) in the Netherlands. Longitudinal modeling examined whether three social cognitions (self-esteem, sense of control, and optimism) mediated associations between perceived family wealth and four indicators of adolescent mental health problems (emotional symptoms, conduct problems, hyperactivity, and peer problems). There was evidence of a social gradient: adolescents with lower perceived family wealth reported more concurrent emotional symptoms and peer problems and an increase in peer problems 6 months later. Results also showed evidence of mediation through social cognitions, specifically sense of control: adolescents with lower perceived family wealth reported a decrease in sense of control (though not self-esteem nor optimism) 6 months later, and lower sense of control predicted increases in emotional symptoms and hyperactivity 6 months later. We found concurrent positive associations between perceived family wealth and all three social cognitions, and concurrent negative associations between social cognitions and mental health problems. The findings indicate that social cognitions, especially sense of control, may be an overlooked mediator of the social gradient in adolescent mental health.

Published
2024

22. Human papillomavirus negative high grade cervical lesions and cancers: Suggested guidance for HPV testing quality assurance

Author

Pretet, JL, Muhr, LSA, Cuschieri, K, Fellner, MD, Correa, RM, Picconi, MA, Garland, SM, Murray, GL, Molano, M, Peeters, M, Van Gucht, S, Lambrecht, C, Vanden Broeck, D, Padalko, E, Arbyn, M, Lepiller, Q, Brunier, A, Silling, S, Soreng, K, Christiansen, IK, Poljak, M, Lagheden, C, Yilmaz, E, Eklund, C, Thapa, HR, Querec, TD, Unger, ER, Dillner, J, Pretet, JL, Muhr, LSA, Cuschieri, K, Fellner, MD, Correa, RM, Picconi, MA, Garland, SM, Murray, GL, Molano, M, Peeters, M, Van Gucht, S, Lambrecht, C, Vanden Broeck, D, Padalko, E, Arbyn, M, Lepiller, Q, Brunier, A, Silling, S, Soreng, K, Christiansen, IK, Poljak, M, Lagheden, C, Yilmaz, E, Eklund, C, Thapa, HR, Querec, TD, Unger, ER, and Dillner, J

Abstract

BACKGROUND: Some high-grade cervical lesions and cervical cancers (HSIL+) test negative for human papillomavirus (HPV). The HPV-negative fraction varies between 0.03 % and 15 % between different laboratories. Monitoring and extended re-analysis of HPV-negative HSIL+ could thus be helpful to monitor performance of HPV testing services. We aimed to a) provide a real-life example of a quality assurance (QA) program based on re-analysis of HPV-negative HSIL+ and b) develop international guidance for QA of HPV testing services based on standardized identification of apparently HPV-negative HSIL+ and extended re-analysis, either by the primary laboratory or by a national HPV reference laboratory (NRL). METHODS: There were 116 initially HPV-negative cervical specimens (31 histopathology specimens and 85 liquid-based cytology samples) sent to the Swedish HPV Reference Laboratory for re-testing. Based on the results, an international QA guidance was developed through an iterative consensus process. RESULT: Standard PCR testing detected HPV in 55.2 % (64/116) of initially "HPV-negative" samples. Whole genome sequencing of PCR-negative samples identified HPV in an additional 7 samples (overall 61.2 % HPV positivity). Reasons for failure to detect HPV in an HSIL+ lesion are listed and guidance to identify cases for extended re-testing, including which information should be included when referring samples to an NRL are presented. CONCLUSION: Monitoring the proportion of and reasons for failure to detect HPV in HSIL+ will help support high performance and quality improvement of HPV testing services. We encourage implementation of QA strategies based on re-analysis of "HPV negative" HSIL+ samples.

Published
2024

25. Stop Plastic van Stad naar Wad 2021-2024 : eindrapportage

Author

Vaart, A. van der, Wijk, J. van, Peeters, M., Vaart, A. van der, Wijk, J. van, and Peeters, M.

Abstract

Dit document is het eindrapport van het project ‘Stop plastic van Stad naar Wad’ dat is uitgevoerd in de periode maart 2021 tot en met februari 2024. Tijdens dit project zijn onder andere camera’s met AI-detectie, GPS-sensoren en afvangsystemen ingezet om inzicht te krijgen in het gedrag van zwerfafval in het water en via welke weg deze zich richting de Waddenzee bewegen. Zwerfafval bereikt het water voornamelijk vanuit de dichtbevolkte stadskern Groningen en het industriële havengebied in Delfzijl. Vangsystemen bij de Borgbrug in het Eemskanaal kunnen 88% van het daar aanwezige drijvende zwerfvuil afvangen. Met de kennis die voortkomt uit dit project is een stevige basis gelegd om gezamenlijk verdere stappen te zetten in de aanpak van het probleem. Het uitgevoerde werk van de afgelopen drie jaar biedt concrete mogelijkheden voor acties op zowel korte als lange termijn. Betrokken instanties bij dit project zijn: Gemeente Groningen, Waterschap Noorderzijlvest, Rijkswaterstaat (Noord-Nederland), Groningen Seaports en Waddenfonds.

Published
2024

28. Dolutegravir-based and low-dose efavirenz-based regimen for the initial treatment of HIV-1 infection (NAMSAL): week 96 results from a two-group, multicentre, randomised, open label, phase 3 non-inferiority trial in Cameroon

Author

Calmy, A, Tovar Sanchez, T, Kouanfack, C, Mpoudi-Etame, M, Leroy, S, Perrineau, S, Lantche-Wandji, M, Tetsa-Tata, D, Omgba-Bassega, P, Abong-Bwenda, T, Varloteaux, M, Tongo, M, Mpoudi-Ngolé, E, Montoyo, A, Mercier, N, LeMoing, V, Peeters, M, Reynes, J, Delaporte, E, Ayouba, A, Agholeng, A, Butel, C, Cournil, A, Eymard-Duvernay, S, Granouillac, B, Izard, S, Lacroix, A, Serrano, L, Vidal, N, Fouda, PJ, Mougnoutou, R, Olinga, J, Omgba, V, Tchokonte-Ngandé, SC, Ymele, B, Epoupa-Mpacko, CD, Fotso, M, Moukoko, R, Nké, T, Akamba, A, Lekelem, S, Tongo-Fotack, SB, Ngono, S, Tanga, M, Ebong, E, Edoul-Mbesse, G, Ciaffi, L, Koulla-Shiro, S, Manirakiza, G, Mimbé, ED, Boyer, S, Bousmah, M, Maradan, G, Nishimwe, ML, Spire, B, Lê, MP, Peytavin, G, Diallo, A, Fournier, I, Rekacewicz, C, Perez Casas, C, Calmy, Alexandra, Tovar Sanchez, Tamara, Kouanfack, Charles, Mpoudi-Etame, Mireille, Leroy, Sandrine, Perrineau, Ségolène, Lantche Wandji, Martial, Tetsa Tata, Darius, Omgba Bassega, Pierette, Abong Bwenda, Thérèse, Varloteaux, Marie, Tongo, Marcel, Mpoudi-Ngolé, Eitel, Montoyo, Alice, Mercier, Noémie, LeMoing, Vincent, Peeters, Martine, Reynes, Jacques, and Delaporte, Eric

Published
2020
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31. 112P Close cardiovascular monitoring during the early stages of treatment for patients receiving immune checkpoint inhibitors

Author

Delombaerde, D.L., primary, Vulsteke, C., additional, Van de Veire, N., additional, Vervloet, D., additional, Moerman, V., additional, van Calster, L., additional, Croes, L., additional, Gremonprez, F., additional, De Meulenaere, A.M., additional, Kraemer, X. Elzo, additional, Wouters, K., additional, Peeters, M., additional, Prenen, H., additional, and De Sutter, J., additional

Published
2023
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38. 6 Specifieke bestralingsapparatuur

Author

Althof, V. G. M., primary, Dries, W. J. F., additional, Petoukhova, A. L., additional, Peeters, M. H. W., additional, van den Elzen-Peeters, M. Y. G., additional, Troost, E. G. C., additional, van Asselen, B., additional, Bohoudi, O., additional, Philippens, M. E. P., additional, Wittkamper, F. W., additional, Milder, M. T. W., additional, Huge, M., additional, and Smit, A. E., additional

Published
2019
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44. Boosted protease inhibitor monotherapy versus boosted protease inhibitor plus lamivudine dual therapy as second-line maintenance treatment for HIV-1-infected patients in sub-Saharan Africa (ANRS12 286/MOBIDIP): a multicentre, randomised, parallel, open-label, superiority trial

Author

Reynes, J, Delaporte, E, Koulla-Shiro, S, Ndour, CT, Sawadogo, AB, Seidy, M, Le Moing, V, Calmy, A, Ciaffi, L, Gueye, NF Ngom, Girard, PM, Eholie, S, Guiard-Schmid, JB, Chaix, ML, Kouanfack, C, Tita, I, Bazin, B, Garcia, P, Izard, S, Eymard-Duvernay, S, Peeters, M, Serrano, L, Cournil, A, Mbouyap, PR, Toby, R, Manga, N, Ayangma, L, Mpoudi, M, Zoungrana, Ngole J, Diallo, M, Aghokeng, AF, Guichet, E, Bell, O, Abessolo, H Abessolo, Djoubgang, MR, Manirakiza, G, Lamarre, G, Mbarga, T, Epanda, S, Bikie, A, Nke, T, Massaha, N, Nke, E, Bikobo, D, Olinga, J, Elat, O, Diop, A, Diouf, B, Bara, N, Fall, MB Koita, Kane, C Toure, Seck, FB, Ba, S, Njantou, P, Ndyaye, A, Fao, P, Traore, R, Sanou, Y, Bado, G, Coulibaly, M, Some, E, Some, J, Kambou, A, Tapsoba, A, Sombie, D, Sanou, S, Traore, B, Flandre, P, Michon, C, Drabo, J, Simon, F, Ciaffi, Laura, Koulla-Shiro, Sinata, Sawadogo, Adrien Bruno, Ndour, Cheik Tidiane, Eymard-Duvernay, Sabrina, Mbouyap, Pretty Rosereine, Ayangma, Liliane, Zoungrana, Jacques, Gueye, Ndeye Fatou Ngom, Diallo, Mohamadou, Izard, Suzanne, Bado, Guillaume, Kane, Coumba Toure, Aghokeng, Avelin Fobang, Peeters, Martine, Girard, Pierre Marie, Le Moing, Vincent, Reynes, Jacques, and Delaporte, Eric

Published
2017
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