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We show here that temperature influences single microbubble dynamics by changing lipid shell viscoelastic properties. A newly developed photoacoustic measurement technique drove individual microbubbles into small-amplitude oscillations through ultrasound waves generated by the absorption of an amplitude-modulated laser. Forward light scattering was used to detect bubble oscillations as the modulation...
We show here that the phospholipid composition of a microbubble shell can significantly affect microbubble dynamics by changing shell viscoelastic properties. We fabricate gold nanoparticle templated microbubbles with varying lipid shells (DPPC, DSPC, DAPC and DBPC). Individual microbubbles undergo nanometer scale radial oscillations that are photothermally activated using a short laser pulse and...
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