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Attention Score in Context
| Title |
Measurements of Submicron Particle Adsorption and Particle Film Elasticity at Oil–Water Interfaces
|
|---|---|
| Published in |
Langmuir, April 2016
|
| DOI | 10.1021/acs.langmuir.5b04586 |
| Pubmed ID | |
| Authors |
Mohamed S. Manga, Timothy N. Hunter, Olivier J. Cayre, David W. York, Matthew D. Reichert, Shelly L. Anna, Lynn M. Walker, Richard A. Williams, Simon R. Biggs |
| Abstract |
The influence of particle adsorption on liquid/liquid interfacial tension is not well understood, and much previous research has suggested conflicting behaviors. In this paper we investigate the surface activity and adsorption kinetics of charge stabilised and pH-responsive polymer stabilised colloids at oil/water interfaces using two tensiometry techniques; i) pendant drop and ii) microtensiometer. We found, using both techniques, that charge stabilised particles had little or no influence on the (dynamic) interfacial tension; although, dense silica particles affected the 'apparent' measured tension in the pendent drop, due to gravity driven elongation of the droplet profile. Nevertheless, this apparent change additionally allowed the study of adsorption kinetics, which was related qualitatively between particle systems by estimated diffusion coefficients. Significant and real interfacial tension responses were measured using ~53 nm core-shell latex particles with a pH-responsive polymer stabilizer of poly(methylmethacrylate) -b- poly(2-(dimethylamino)ethylmethacrylate) (pMMA-b-pDMAEMA) diblock copolymer. At pH 2, where the polymer is strongly charged, behavior was similar to that of the bare charge-stabilised particles, showing little change in the interfacial tension. At pH 10, where the polymer is discharged and poorly soluble in water, a significant decrease in the measured interfacial tension commensurate with strong adsorption at the oil-water interface was seen, which was similar in magnitude to the surface activity of the free polymer. These results were both confirmed through droplet profile and microtensiometry experiments. Dilational elasticity measurements were also performed by oscillation of the droplet; again, changes in interfacial tension with droplet oscillation were only seen with the responsive particles at pH 10. Frequency sweeps were performed to ascertain the dilational elasticity modulus, with measured values being significantly higher than previously reported for nanoparticle and surfactant systems, and similar in magnitude to protein stabilized droplets. |
X Demographics
The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 89 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United Kingdom | 1 | 1% |
| United States | 1 | 1% |
| Unknown | 87 | 98% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 28 | 31% |
| Researcher | 14 | 16% |
| Professor | 11 | 12% |
| Student > Master | 6 | 7% |
| Student > Bachelor | 5 | 6% |
| Other | 10 | 11% |
| Unknown | 15 | 17% |
| Readers by discipline | Count | As % |
|---|---|---|
| Chemistry | 19 | 21% |
| Engineering | 15 | 17% |
| Chemical Engineering | 12 | 13% |
| Physics and Astronomy | 8 | 9% |
| Materials Science | 3 | 3% |
| Other | 7 | 8% |
| Unknown | 25 | 28% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 June 2016.
All research outputs
#18,450,346
of 22,860,626 outputs
Outputs from Langmuir
#11,687
of 13,970 outputs
Outputs of similar age
#218,961
of 298,966 outputs
Outputs of similar age from Langmuir
#95
of 165 outputs
Altmetric has tracked 22,860,626 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 13,970 research outputs from this source. They receive a mean Attention Score of 3.8. This one is in the 9th percentile – i.e., 9% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 298,966 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 15th percentile – i.e., 15% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 165 others from the same source and published within six weeks on either side of this one. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.