Oil foams stabilized by crystallizing agents exhibit outstanding stability and show {promise|guarantee} for applications in {consumer|customer} {products|goods|items|merchandise|solutions}. The stability and mechanics imparted by the interfacial layer of crystals underpin {product|item|solution} shelf-life, {as well|also|too|at the same time} as optimal processing {conditions|circumstances|situations} and {performance|overall performance|efficiency|functionality} in applications. Shelf-life is {affected|impacted} by the stability against bubble dissolution {over|more than} a {long|lengthy|extended} time scale, which {leads to|results in} slow compression {of the|from the|in the|on the|with the|of your} interfacial layer. In processing flow {conditions|circumstances|situations}, the imposed deformation is characterized by {much|a lot|significantly|considerably|substantially|a great deal} shorter time scales. In {practical|sensible} {situations|circumstances|scenarios|conditions}, the crystal layer is {therefore|consequently|as a result|for that reason|thus|hence} subjected to deformation on {extremely|very|incredibly|really|particularly|exceptionally} {different|various|distinct|diverse|unique|distinctive} time scales. {Despite|Regardless of|In spite of} its {importance|significance|value}, our understanding {of the|from the|in the|on the|with the|of your} behavior of such interfacial layers at {different|various|distinct|diverse|unique|distinctive} time scales remains {limited|restricted}. To address this gap, {here|right here} we investigate the dynamics of single, crystal-coated bubbles isolated from an oleofoam, at two {extreme|intense} timescales: the diffusion-limited timescale characteristic of bubble dissolution {10|ten},000 s, {and a|along with a|as well as a|plus a|and also a|in addition to a} {fast|quick|quickly|rapidly|rapid|speedy} time scale characteristic of processing flow {conditions|circumstances|situations}, 0.001 s. In our experiments, slow deformation is obtained by bubble dissolution, and {fast|quick|quickly|rapidly|rapid|speedy} deformation in controlled {conditions|circumstances|situations} with real-time imaging is obtained {using|utilizing|making use of|employing|working with|applying} ultrasound-induced bubble oscillations. The experiments reveal that the fate {of the|from the|in the|on the|with the|of your} interfacial layer is {dramatically|significantly|drastically|substantially|considerably} {affected|impacted} by the dynamics of deformation: {after|following|right after|soon after|immediately after|just after} {complete|total|full|comprehensive} bubble dissolution, a continuous {solid|strong} layer remains; {while|whilst|although|even though|when|though} {after|following|right after|soon after|immediately after|just after} {fast|quick|quickly|rapidly|rapid|speedy}, oscillatory deformation {of the|from the|in the|on the|with the|of your} layer, {small|little|tiny|modest|smaller|compact} crystals are expelled {from the|in the} layer. This observation shows {promise|guarantee} towards {developing|creating|building|establishing} stimuli-responsive systems, with sensitivity to deformation {rate|price}, {in addition to|along with|as well as} the {already|currently} {known|recognized|identified} thermo- and photo-responsiveness of oleofoams. 1250999-79-1 supplier Buy86208-18-6 PMID:24238102
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