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|Title:||Lateral hydrodynamic interactions between an emulsion droplet and a flat surface evaluated by frictional force microscopy|
|Source:||Vakarelski, I.U., Dagastine, R.R., Chan, D.Y.C., Stevens, G.W., Higashitani, K., Grieser, F. (2010-06-01). Lateral hydrodynamic interactions between an emulsion droplet and a flat surface evaluated by frictional force microscopy. Langmuir 26 (11) : 8002-8007. ScholarBank@NUS Repository. https://doi.org/10.1021/la904894n|
|Abstract:||We introduce a lateral atomic force microscopy (AFM.) method to measure the hydrodynamic drag force acting on a microscopic emulsion droplet moving parallel to a flat surface. A tetradecane oil droplet formed in an aqueous solution, of sodium dodecylsulfate was attached to a V-shaped atomic force microscopy cantilever, and lateral, hydrodynamic interactions between the droplet and a flat glass surface were measured using a range of scanning velocities. The droplet was positioned either far from the oscillating surface or was pressed to the surface under a constant applied load. These measurements demonstrate the feasibility of using AFM to study lateral hydrodynamic interactions and lubricity between soft matter materials relevant to a large number of applications in areas as diverse as flavor delivery in foods to the applications of emulsions or emollients in personal care products. © 2010 American Chemical Society.|
|Appears in Collections:||Staff Publications|
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