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   Articles with "surfactant concentration" as a keyword



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Oscillation dynamics of colloidal particles caused by surfactant in an evaporating droplet

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recommendations! Published in 2020 at "Journal of Mechanical Science and Technology"

DOI: 10.1007/s12206-020-0128-1

Abstract: Surfactant-induced Marangoni flows can alter the typical outward capillary flows in a drying droplet. Previous studies show that intricate time-dependent periodic motions of colloidal particles, such as Marangoni eddies and back-and-forth oscillatory motions, can be… read more here.

Keywords: periodic motions; dynamics colloidal; surfactant concentration; colloidal particles ... See more keywords
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Simultaneous separation of high-purity semiconducting and metallic single-walled carbon nanotubes by surfactant concentration-controlled gel chromatography

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recommendations! Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.145258

Abstract: Abstract Gel chromatography methods have successfully achieved separation of metallic (M-) and/or semiconducting (S-) single-walled carbon nanotubes (SWNTs) from their mixtures with high purity. However, the optimum surfactant concentrations for gel chromatography methods are different… read more here.

Keywords: gel chromatography; purity; separation; surfactant concentration ... See more keywords
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Surfactant concentration and pH effects on the zeta potential values of alumina nanofluids to inspect stability

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recommendations! Published in 2019 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2019.123960

Abstract: Abstract Nanofluids are complex fluids, mainly proposed to improve the efficiency of thermal systems. However, their poor stability, caused by the agglomeration and sedimentation of nanoparticles over time, has limited their practical application. A common… read more here.

Keywords: zeta potential; concentration effects; surfactant concentration; concentration ... See more keywords
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Optimization of cinnamon oil nanoemulsions using phase inversion temperature method: Impact of oil phase composition and surfactant concentration.

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recommendations! Published in 2018 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2017.11.084

Abstract: Essential oils, such as those isolated from cinnamon, are effective natural antimicrobial agents, but their utilization is limited by their low water-solubility. In this study, phase inversion temperature (PIT) was used to prepare cinnamon oil… read more here.

Keywords: phase; oil nanoemulsions; surfactant concentration; oil ... See more keywords
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Microdroplet Generation with Dilute Surfactant Concentration in a Modified T-Junction Device

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recommendations! Published in 2017 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.7b02588

Abstract: Emulsions with very low surfactant concentration or without surfactant are highly required in many fields. Microfluidics have proven to be a promising emulsion preparation method. However, for the fresh interface formation during microfluidic droplet generation,… read more here.

Keywords: generation; microdroplet generation; surfactant concentration; junction ... See more keywords