On the rigidity of four hundred Pickering-stabilised microbubbles
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Abstract This study explores the rigidity of Pickering-stabilised microbubbles subjected to low-amplitude ultrasound. Such microbubbles might be suitable ultrasound contrast agents. Using an adapted Rayleigh-Plesset equation, we modelled the dynamics of microbubbles with a 7.6-N m−1 shell stiffness under 1-MHz, 0.2-MPa sonication. Such dynamics were observed experimentally, too, using high-speed photography. The maximum expansions were agreeing with those predicted for Pickering-stabilised microbubbles. Subjecting microbubbles to multiple time- delayed pulses yielded the same result. We conclude that Pickering-stabilised microbubbles remain very stable at low acoustic amplitudes.
2008 ◽
Vol 123
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pp. 3215-3215
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2011 ◽
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pp. 1509-1517
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2013 ◽
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pp. 2-3
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Vol 19
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pp. 3342-3351
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pp. 1638
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Vol 46
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pp. 1071-1081
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2021 ◽
Vol 47
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pp. 1465-1474