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- W4384929857 endingPage "2114" @default.
- W4384929857 startingPage "2114" @default.
- W4384929857 abstract "Silica nanoparticles find utility in different roles within the commercial domain. They are either employed in bulk within pharmaceutical formulations or at interfaces in anti-coalescing agents. Thus, studying the particle attributes contributing to the characteristics of silica particle-laden interfaces is of interest. The present work highlights the impact of particle size (i.e., 250 nm vs. 1000 nm) on the rheological properties of interfacial networks formed by hydrophobically modified silica nanoparticles at the air-water interface. The particle surface properties were examined using mobility measurements, Langmuir trough studies, and interfacial rheology techniques. Optical microscopy imaging along with Langmuir trough studies revealed the microstructure associated with various surface pressures and corresponding surface coverages (ϕ). The 1000 nm silica particle networks gave rise to a higher surface pressure at the same coverage compared to 250 nm particles on account of the stronger attractive capillary interactions. Interfacial rheological characterization revealed that networks with 1000 nm particles possess higher surface modulus and yield stress in comparison to the network obtained with 250 nm particles at the same surface pressure. These findings highlight the effect of particle size on the rheological characteristics of particle-laden interfaces, which is of importance in determining the stability and flow response of formulations comprising particle-stabilized emulsions and foams." @default.
- W4384929857 created "2023-07-22" @default.
- W4384929857 creator A5043419604 @default.
- W4384929857 creator A5067367533 @default.
- W4384929857 date "2023-07-20" @default.
- W4384929857 modified "2023-10-01" @default.
- W4384929857 title "Particle Size and Rheology of Silica Particle Networks at the Air–Water Interface" @default.
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- W4384929857 doi "https://doi.org/10.3390/nano13142114" @default.
- W4384929857 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37513125" @default.
- W4384929857 hasPublicationYear "2023" @default.
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