Can sonication enhance release from liquid-core capsules with a hydrogel membrane?

► Sonication leads to a mass release increase proportional to its duration and ultrasonic pressure. ► At high intensities and/or long durations, sonication can lead to the capsule rupture. ► Below the breakup threshold, sonication has no remnant effect on the capsules. ► The capsules recover their physical and mechanical properties after sonication.