CNRS-Ecole Centrale de Lyon 2 articles published in JoVE Engineering Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System Claude Inserra1, Gabriel Regnault2, Sarah Cleve2, Cyril Mauger2, Philippe Blanc-Benon2 1Univ Lyon, Université Claude Bernard Lyon 1, Centre Léon Bérard, INSERM, UMR 1032, LabTAU, France, 2Univ Lyon, Ecole Centrale de Lyon, INSA de Lyon, CNRS, LMFA UMR 5509, France A fast and reliable technique is proposed to control the shape oscillations of a single, trapped acoustic bubble that is based on coalescence technique between two bubbles. The steady-state, symmetry-controlled bubble shape oscillations allow analysis of the fluid flow generated in the vicinity of the bubble interface. Chemistry Preparation of Macroporous Epitaxial Quartz Films on Silicon by Chemical Solution Deposition Adrián Carretero-Genevrier1, Martí Gich2 1Institut des Nanotechnologies de Lyon, CNRS-École Centrale de Lyon, 2Institut de Ciència de Materials de Barcelona, Consejo Superior de Investigaciones Científicas A protocol is presented for the preparation of piezoelectric macroporous epitaxial films of quartz on silicon by solution chemistry using dip-coating and thermal treatments in air.
