Light-induced destabilisation of oil-in-water emulsions using light-active bolaform surfactants

Abstract

External stimuli induced destabilisation of oil-in-water emulsions is of both fundamental and tech- nological importance. In this work we synthesize light-active bolaform-type surfactants (LABS) and show the preparation of decane-in-water...

Soft matter physics of the ground beneath our feet

“…A persistent random walk model along boundaries was found to capture the observed time-distributions to escape the dynamical traps posed by the pore-throats. 351 Active polymer models where simple steric interactions are emphasized have a significant role to play in determining general principles of transport in this limit. [352][353][354] The importance of body shape, stroke, and topology is receiving attention in determining the dynamics of bacteria as also discussed in the following Section 4.2.…”

The narrow escape problem of a chiral active particle (CAP): an optimal scheme

“…Likewise, a separate simulation investigation 42 of an active nanorod confined within a circular region with single and multiple escape openings highlighted the critical significance of the nanorod's activity and its persistence length in optimizing its escape time. Simultaneously, an experimental endeavor revealed that confined undulating worms 43 placed in interconnected circular chambers via a narrow channel escape a chamber by consistently traversing along the boundary of the chamber. So far in the above literature and to the best of our knowledge the effect of chiral activity on narrow escape kinetics and segregation of bi/multimotility mixtures has not been explored.…”

Demulsification of Pickering Emulsions by Chemical Dissolution of Stabilizers

“…We recently demonstrated demulsification of Pickering emulsion by a interfacial transport of mutually soluble cosolvent. 11 Recent developments have shown that Pickering emulsions can be demulsified using external stimuli such as light intensity, 12 pH, ionic strength, CO 2 , and magnetic field, either individually or in combinations. 13 In this study, we show the proof of concept of a demulsification mechanism that involves partial chemical dissolution of the stabilizing particle.…”