Measurement and Analysis of Forces in Bubble and Droplet Systems Using AFM ⇑ Rico F
Journal of Colloid and Interface Science 371 (2012) 1–14 Contents lists available at SciVerse ScienceDirect Journal of Colloid and Interface Science www.elsevier.com/locate/jcis Feature Article (by invitation only) Measurement and analysis of forces in bubble and droplet systems using AFM ⇑ Rico F. Tabor a,b, , Franz Grieser b,c, Raymond R. Dagastine a,b,d, Derek Y.C. Chan b,e,f,1 a Department of Chemical and Biomolecular Engineering, University of Melbourne, Parkville 3010, Australia b Particulate Fluids Processing Centre, University of Melbourne, Parkville 3010, Australia c School of Chemistry, University of Melbourne, Parkville 3010, Australia d Melbourne Centre for Nanofabrication, 151 Wellington Road, Clayton, Victoria 3168, Australia e Department of Mathematics and Statistics, University of Melbourne, Parkville 3010, Australia f Faculty of Life and Social Sciences, Swinburne University of Technology, Hawthorn 3122, Australia article info abstract Article history: The use of atomic force microscopy to measure and understand the interactions between deformable col- Received 29 October 2011 loids – particularly bubbles and drops – has grown to prominence over the last decade. Insight into sur- Accepted 15 December 2011 face and structural forces, hydrodynamic drainage and coalescence events has been obtained, aiding in Available online 27 December 2011 the understanding of emulsions, foams and other soft matter systems. This article provides information on experimental techniques and considerations unique to performing such measurements. The theoret- Keywords: ical modelling frameworks which have proven crucial to quantitative analysis are presented briefly, along Atomic force microscope with a summary of the most significant results from drop and bubble AFM measurements.
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