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Beekers, D.I. (author), van Rooij, Tom (author), van der Steen, A.F.W. (author), de Jong, N. (author), Verweij, M.D. (author), Kooiman, Klazina (author)
Ultrasound contrast agents consist of gas-filled coated microbubbles that oscillate upon ultrasound insonification. Their characteristic oscillatory response provides contrast enhancement for imaging and has the potential to locally enhance drug delivery. Since microbubble response depends on the local acoustic pressure, an ultrasound...
journal article 2018
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Beekers, D.I. (author), Vegter, Merel (author), Lattwein, Kirby R. (author), Mastik, Frits (author), Beurskens, Robert (author), van der Steen, A.F.W. (author), de Jong, N. (author), Verweij, M.D. (author), Kooiman, Klazina (author)
Ultrasound insonification of microbubbles can locally increase vascular permeability to enhance drug delivery. To control and optimize the therapeutic potential, we need to better understand the underlying biological mechanisms of the drug delivery pathways. The aim of this in vitro study was to elucidate the microbubble-endothelial cell...
journal article 2020
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Beekers, D.I. (author), Mastik, Frits (author), Beurskens, Robert (author), Tang, Phoei Ying (author), Vegter, Merel (author), van der Steen, A.F.W. (author), de Jong, N. (author), Verweij, M.D. (author), Kooiman, Klazina (author)
Ultrasound insonification of microbubbles can locally enhance drug delivery, but the microbubble–cell interaction remains poorly understood. Because intracellular calcium (Ca<sub>i</sub> <sup>2+</sup>) is a key cellular regulator, unraveling the Ca<sub>i</sub> <sup>2+</sup> fluctuations caused by an oscillating microbubble provides crucial...
journal article 2020
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Beekers, D.I. (author), Lattwein, Kirby R. (author), Kouijzer, Joop J.P. (author), Langeveld, Simone A.G. (author), Vegter, M. (author), Beurskens, Robert (author), Mastik, F. (author), Verduyn Lunel, Rogier (author), van der Steen, A.F.W. (author), de Jong, N. (author)
Controlling microbubble-mediated drug delivery requires the underlying biological and physical mechanisms to be unraveled. To image both microbubble oscillation upon ultrasound insonification and the resulting cellular response, we developed an optical imaging system that can achieve the necessary nanosecond temporal and nanometer spatial...
journal article 2019
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Beekers, Inés (author), Langeveld, Simone A.G. (author), Meijlink, Bram (author), van der Steen, A.F.W. (author), de Jong, N. (author), Verweij, M.D. (author), Kooiman, Klazina (author)
Ultrasound insonification of microbubbles can locally enhance drug delivery by increasing the cell membrane permeability. To aid development of a safe and effective therapeutic microbubble, more insight into the microbubble-cell interaction is needed. In this in vitro study we aimed to investigate the initial 3D morphology of the endothelial...
journal article 2022
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