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5/18/26, 2:00 PMFlow, wetting, and transport phenomenaOral
Solvent evaporation of a complex fluid, such as a colloidal dispersion, is a fundamental step to many industrial processes, including, for example, coating and printing. However, predictive control of the final structure requires an improved understanding of the physical mechanisms governing evaporation-driven flows, particle transport, and consolidation. Confined unidirectional drying offers...
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5/18/26, 2:20 PMFlow, wetting, and transport phenomenaOral
On small length scales, temperature gradients at fluid interfaces give rise to Marangoni stresses, a phenomenon caused by the temperature dependence of the surface tension. In a Stokes flow regime, where viscous forces dominate inertial forces, these stresses can induce fluid flow. This mechanism has previously been examined to propel micron-sized particles and to drive flow in microfluidic...
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5/18/26, 2:40 PMFlow, wetting, and transport phenomenaOral
Superhydrophobicity is a remarkable surface property observed in nature and widely exploited in engineering applications such as anti-wetting, anti-fogging, and anti-fouling coatings [1]. Achieving robust superhydrophobicity typically relies on micro-/nanostructure, among which doubly re-entrant architectures have emerged as particularly effective due to their re-entrant curvature that...
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5/18/26, 3:00 PMFlow, wetting, and transport phenomenaOral
We report a contactless, gas-actuated interfacial instability that turns a quiescent, surfactant-laden water surface into a robust, low-mode recirculating flow above a sharp gas-flow threshold. The platform is a simple circular well (Petri-dish geometry) capped by a plate with a central orifice of radius rc: an impinging gas jet spreads radially and applies a tangential shear stress that...
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5/18/26, 4:40 PMHigh-energy spectroscopy and advanced imaging methods coupled with microfluidicsOral
Micro-nanotechnology has blurred the borders between material science, chemistry and biology. The miniaturization of chemical and biological assays, promoted by micro-nanofluidics, requires both a careful selection of the fabrication methods and the development of tailored materials for the specific applications. As a consequence, interdisciplinarity is becoming fundamental in the combination...
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5/18/26, 5:00 PMHigh-energy spectroscopy and advanced imaging methods coupled with microfluidicsOral
Detection of active species in (photo)catalysts is a crucial step towards understanding and optimization of reaction mechanisms. X-ray absorption spectroscopy (XAS) is an extremely powerful tool to selectively probe local atomic and electronic structure around element of interest. Its sensitivity towards active species can be further enhanced by a modulation-excitation (ME) approach, using...
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5/18/26, 5:20 PMHigh-energy spectroscopy and advanced imaging methods coupled with microfluidicsOral
Microfluidic devices are ideally suited for the study of complex fluids undergoing large deformation rates in the absence of inertial complications, providing access to well-defined extensional and shear flows that are difficult to achieve in conventional rheometric geometries. Previous studies employing narrow-width microfluidic channels, however, have faced challenges in accurately...
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