Capillary pressure-based measurement of dynamic interfacial tension in a spontaneous microfluidic sensor

Abstract

The size of droplets and bubbles, and the properties of emulsions and foams strongly depend on dynamic interfacial tension (γ_d) – a parameter that is often inaccessible due to the...

Capillary-driven microfluidics: impacts of 3D manufacturing on bioanalytical devices

“…51 Alternatively, 3D capillary-driven microfluidics were used for other applications like the measurement of dynamic interfacial tension, a difficult parameter to determine due to the instability of twophase interfaces. 62 The number of research works that performed bioanalysis through 3DP capillary-driven microfluidics is limited due to the restrictions for controlling surface energy and the difficulty of programming flow without peripheral equipment like pumps and valves. As capillary-driven microfluidics needs sophisticated controlled hydrophilicity on the surfaces of micron-size features, utilizing 3D printing technology for POC bioanalytical applications has been constrained by 3DP materials.…”

“…51 Alternatively, 3D capillary-driven microfluidics were used for other applications like the measurement of dynamic interfacial tension, a difficult parameter to determine due to the instability of two-phase interfaces. 62…”