10.6084/m9.figshare.5697688.v1 Gabriel Ortega Gabriel Ortega Visualization 1.mp4 Optica Publishing Group 2018 microbubbles Marangoni effect thermocapillary effects nanoparticle concentrations 2018-03-05 18:44:38 Media https://opticapublishing.figshare.com/articles/media/Visualization_1_mp4/5697688 Manipulation of a microbubble between two horizontally opposed optical fibers due to the switching of the temperature gradients