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Uniform coating of self-assembled non-iridescent colloidal nanostructures using Marangoni effects and polymers
Seung Yeol Lee, Hyoungsoo Kim, Shin-Hyun Kim +1
Colloidal crystals exhibit structural color without any color pigment due to the crystals' periodic nanostructure, which can interfere with visible light. This crystal structure is…
A reciprocal theorem for the prediction of the normal force induced on a particle translating parallel to an elastic membrane
Abdallah Daddi-Moussa-Ider, Bhargav Rallabandi, Stephan Gekle +1
When an elastic object is dragged through a viscous fluid tangent to a rigid boundary, it experiences a lift force perpendicular to its direction of motion. An analogous lift mecha…
Surfing its own wave: hydroelasticity of a particle near a membrane
Bhargav Rallabandi, Naomi Oppenheimer, Matan Yah Ben Zion +1
We show using theory and experiments that a small particle moving along an elastic membrane through a viscous fluid is repelled from the membrane due to hydro-elastic forces. The v…
Verticalization of bacterial biofilms
Farzan Beroz, Jing Yan, Yigal Meir +4
Biofilms are communities of bacteria adhered to surfaces. Recently, biofilms of rod-shaped bacteria were observed at single-cell resolution and shown to develop from a disordered,…
Flow rate--pressure drop relation for deformable shallow microfluidic channels
Ivan C. Christov, Vincent Cognet, Tanmay C. Shidhore +1
Laminar flow in devices fabricated from soft materials causes deformation of the passage geometry, which affects the flow rate--pressure drop relation. For a given pressure drop, i…