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Effect of Surface Freezing on Stability of Oil-in-Water Emulsions (2018)
Journal Article
Tokiwa, Y., Sakamoto, H., Takiue, T., Aratono, M., Matsubara, H., & Bain, C. D. (2018). Effect of Surface Freezing on Stability of Oil-in-Water Emulsions. Langmuir, 34(21), 6205-6209. https://doi.org/10.1021/acs.langmuir.8b01088

Penetration of alkane molecules into the adsorbed film of a cationic surfactant gives rise to a surface freezing transition at the alkane–water interface upon cooling. In this paper, we show that surface freezing of hexadecyltrimethylammonium chlorid... Read More about Effect of Surface Freezing on Stability of Oil-in-Water Emulsions.

Drop-on-demand satellite-free drop formation for precision fluid delivery (2018)
Journal Article
Yang, L., Kapur, N., Wang, Y., Fiesser, F., Bierbrauer, F., Wilson, M. C., Sabey, T., & Bain, C. D. (2018). Drop-on-demand satellite-free drop formation for precision fluid delivery. Chemical Engineering Science, 186, 102-115. https://doi.org/10.1016/j.ces.2018.04.014

A drop-on-demand liquid dispensing system, based on a rotary piston pump, for delivering microlitre droplets at ∼ 10 Hz is analysed. Five types of drop formation are observed under different pump operation schemes, characterised by the breakup behavi... Read More about Drop-on-demand satellite-free drop formation for precision fluid delivery.

Combining Inkjet Printing with Emulsion Solvent Evaporation to Pattern Polymeric Particles (2018)
Journal Article
Deng, R., Yang, L., & Bain, C. D. (2018). Combining Inkjet Printing with Emulsion Solvent Evaporation to Pattern Polymeric Particles. ACS Applied Materials and Interfaces, 10(15), 12317-12322. https://doi.org/10.1021/acsami.8b02017

We demonstrate a concept to produce deposits of polymer in the form of particles by inkjet printing an emulsion in which the discrete phase evaporates preferentially. An oil/water emulsion with polymer contained inside the oil phase is used as ink fo... Read More about Combining Inkjet Printing with Emulsion Solvent Evaporation to Pattern Polymeric Particles.

Ink-Jet Printing of High-Molecular-Weight Polymers in Oil-in-Water Emulsions (2017)
Journal Article
Johns, A. S., & Bain, C. D. (2017). Ink-Jet Printing of High-Molecular-Weight Polymers in Oil-in-Water Emulsions. ACS Applied Materials and Interfaces, 9(27), 22918-22926. https://doi.org/10.1021/acsami.7b04454

Ink-jet printing of high-molecular-weight polymers is inhibited by the extensional elasticity of the polymer chains. This article describes how emulsions can be used to print high-molecular-weight polymers at much higher concentrations than is possib... Read More about Ink-Jet Printing of High-Molecular-Weight Polymers in Oil-in-Water Emulsions.

Time-resolved phase-sensitive second harmonic generation spectroscopy (2015)
Journal Article
Nowakowski, P. J., Woods, D. A., Bain, C. D., & Verlet, J. R. (2015). Time-resolved phase-sensitive second harmonic generation spectroscopy. The Journal of Chemical Physics, 142(8), https://doi.org/10.1063/1.4909522

A methodology based on time-resolved, phase-sensitive second harmonic generation (SHG) for probing the excited state dynamics of species at interfaces is presented. It is based on an interference measurement between the SHG from the sample and a loca... Read More about Time-resolved phase-sensitive second harmonic generation spectroscopy.

Printing Small Dots from Large Drops (2015)
Journal Article
Talbot, E. L., Yow, H. N., Yang, L., Berson, A., Biggs, S. R., & Bain, C. D. (2015). Printing Small Dots from Large Drops. ACS Applied Materials and Interfaces, 7(6), 3782-3790. https://doi.org/10.1021/am5087177

Printing of droplets of pure solvents containing suspended solids typically leads to a ring stain due to convective transport of the particles toward the contact line during evaporation of the solvent. In mixtures of volatile solvents, recirculating... Read More about Printing Small Dots from Large Drops.

Determination of dynamic surface tension and viscosity of non-Newtonian fluids from drop oscillations (2014)
Journal Article
Yang, L., Kazmierski, B. K., Hoath, S. D., Jung, S., Hsiao, W.-K., Wang, Y., Berson, A., Harlen, O., Kapur, N., & Bain, C. D. (2014). Determination of dynamic surface tension and viscosity of non-Newtonian fluids from drop oscillations. Physics of Fluids, 26(11), Article 113103. https://doi.org/10.1063/1.4901823

The oscillations of free-falling drops with size range from pl to μl have been used to measure the transient shear viscosity and the dynamic surface tension of shear-thinning fluids on the timescale of 10−5–10−2 s. The method is first validated with... Read More about Determination of dynamic surface tension and viscosity of non-Newtonian fluids from drop oscillations.

Control of the Particle Distribution in Inkjet Printing through an Evaporation-Driven Sol-Gel Transition (2014)
Journal Article
Talbot, E., Yang, L., Berson, A., & Bain, C. (2014). Control of the Particle Distribution in Inkjet Printing through an Evaporation-Driven Sol-Gel Transition. ACS Applied Materials and Interfaces, 6(12), 9572-9583. https://doi.org/10.1021/am501966n

A ring stain is often an undesirable consequence of droplet drying. Particles inside evaporating droplets with a pinned contact line are transported toward the periphery by radial flow. In this paper, we demonstrate how suspensions of laponite can be... Read More about Control of the Particle Distribution in Inkjet Printing through an Evaporation-Driven Sol-Gel Transition.