In a study published in Science Advances, Chinese researchers have demonstrated the dynamics of liquid entrainment on solid surfaces with millimeter structures.
from a confined space, common tools such as pipettes and spoons are limited. The pipette is limited by high viscosity and low vacuum level. It also easily generates annoying bubbles during suction or pressure release. The confined space limits the spoon's ability to pick up liquid from below.
Inspired by this phenomenon, researchers from the Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences, and the Suzhou Institute for Advanced Research of the University of Science and Technology of China integrated two key processes of liquid entrainment applied in industry, i.e.,"liquid uptake" and"liquid drainage" after uptake, and found that millimeter structures moderately improve the overall entrainment process.
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