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Extend Plastron Longevity on Superhydrophobic Surface Using Gas Soluble and Gas Permeable Polydimethylsiloxane (PDMS).
Biomimetics (Basel)
January 2025
Department of Mechanical Engineering, University of Massachusetts Dartmouth, Dartmouth, MA 02747, USA.
The gas (or plastron) trapped between micro/nano-scale surface textures, such as that on superhydrophobic surfaces, is crucial for many engineering applications, including drag reduction, heat and mass transfer enhancement, anti-biofouling, anti-icing, and self-cleaning. However, the longevity of the plastron is significantly affected by gas diffusion, a process where gas molecules slowly diffuse into the ambient liquid. In this work, we demonstrated that plastron longevity could be extended using a gas-soluble and gas-permeable polydimethylsiloxane (PDMS) surface.
View Article and Find Full Text PDFImpact of polysaccharide addition on the technological aspects of low lactose milk powders.
Food Res Int
February 2025
Dairy Technology Division, ICAR-National Dairy Research Institute, Karnal, Haryana, India.
The research aimed to assess the effect of polysaccharides (maltodextrin and β-cyclodextrin) on technological properties of low-lactose milk powder obtained by spray drying of β-galactosidase hydrolysed milk. Low-lactose milk powders i.e.
View Article and Find Full Text PDFUnravelling the cleavage-rate relationship from both the experimental and theoretical standpoint: The instance of fluorite dissolution.
J Colloid Interface Sci
January 2025
University of Zagreb, Faculty of Science, Department of Chemistry, Zagreb, HR-10000, Croatia.
The phenomenon of solid dissolution into a solution constitutes a fundamental aspect in both natural and industrial contexts. Nevertheless, its intricate nature at the microscale poses a significant challenge for precise quantitative characterization at a foundational level. In this work, the influence across three specific cleavage planes, namely (100), (111), and (110) on the dissolution kinetics of fluorite in aqueous environments was examined from both experimental and theoretical standpoints.
View Article and Find Full Text PDFSuperhydrophobic Nanocoatings Fabricated by Materials with Low Young's Contact Angle.
Langmuir
January 2025
State Key Laboratory for Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, China.
To achieve superhydrophobicity with an apparent contact angle (θ*) greater than 150° on rough surfaces, materials with a high Young's contact angle (θ > 90°) are commonly utilized. However, achieving superhydrophobicity with θ < 90° materials without specific auxiliary designs faces unknown challenges. Here, we develop a novel superhydrophobic nanocoating with θ* of ∼155° sprayed by an ethanol suspension only composed of bisphenol A epoxy resin (EPA) with a low θ of ∼70° and hydrophilic SiO nanoparticles.
View Article and Find Full Text PDFAre the Imidazole Ionic Liquids Suitable Lubricants for Slippery Coatings?
Langmuir
January 2025
A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia.
The results of an investigation of an impact of the structure of recently synthesized bis(trifluoromethylsulfonyl)imide mono- and dicationic ionic liquids on their properties and behavior as lubricants for slippery liquid infused superhydrophobic coatings are presented for a wide temperature range. In this study, a new approach based on monitoring the surface tension of a liquid sessile droplet on top of a coating was exploited for the analysis of the evolution of the coating properties in prolonged contact with the liquid. It was found that the continuous contact with water flow results in slippery property degradation according to two different scenarios.
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