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5/20/26, 10:00 AMFlow, wetting, and transport phenomenaOral
In nature, many biological fluids that host or block bacterial populations, such as mucus, exhibit non-Newtonian rheology. To investigate the spatial exploration of Escherichia coli, a model multiflagellated bacterium, in such environments, a tunable motility medium based on Carbopol was employed. Increasing the concentration of soft carbomer grains transitioned the medium from a Newtonian...
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5/20/26, 10:20 AMFlow, wetting, and transport phenomenaOral
Transport of microorganisms is an integral part of many natural and industrial processes, such as energy storage, bacterial infections, and soil remediation. With almost half of the living microorganisms living in porous media, the interplay between bacterial motility, and flow-induced transport identifies the niche selection and colonization. To do so, cells need to explore the widest space...
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5/20/26, 10:40 AMFlow, wetting, and transport phenomenaOral
Deep bed filtration is widely applied in bioprocessing, virus filtration, and water purification to remove small impurities, such as particles or virus fragments. However, more needs to be understood about the parameters that influence particle capture and deposition. Detailed simulations and microfluidic filtration experiments with straight pores have been widely investigated, yet realistic...
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5/20/26, 11:40 AMFlow, wetting, and transport phenomenaOral
A fundamental component of biological cells is their membrane which is constituted by lipidic bi-layer contributing to their mechanical properties and transfer processes. Similarly, Giant Unilamellar Vesicles (GUVs) are micrometer-sized (1-100 µm) droplets within a bi-layer of arranged lipids, making them an ideal candidate for quantitatively studying cell behavior, specifically ion transport...
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5/20/26, 12:00 PMFlow, wetting, and transport phenomenaOral
Flows of particles through constrictions occur in a broad range of situations, both in nature and in the industry. When the orifice is sufficiently small, clogging can occur, leading to an intermittent or permanent interruption of the discharge. Over the past two decades, extensive work has been conducted to understand the physics and statistics of clog formation. Most of these studies were...
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5/20/26, 12:20 PMFlow, wetting, and transport phenomenaOral
Evaporation remains a pervasive yet often underestimated source of error in microfluidic platforms, particularly as liquid volumes approach the nanoliter and sub-nanoliter scale. In life-science workflows such as sample preparation, biochemical assays, and thermal cycling, even modest evaporative losses can compromise volumetric accuracy, alter solute concentrations, and limit experiment...
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Amir Hillman (Tel Aviv University)5/20/26, 12:40 PMFlow, wetting, and transport phenomenaOral
Ion-exchange membranes enable selective ion transport by allowing counterions to pass through while blocking co-ions, giving rise to ion concentration polarization (ICP) under an applied electric field. This effect creates distinct regions of ion depletion and enrichment near the membrane-electrolyte interface. At the edge of the depletion zone, where sharp conductivity gradients form, a...
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