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DTSTART;TZID="Pacific Time (US & Canada)":20200921T161000
DTEND;TZID="Pacific Time (US & Canada)":20200921T170000
SUMMARY:CHE 598 Seminar: Toward better understanding via correlations between scales in  colloidal dispersions
LOCATION:Online
DESCRIPTION:Presenter: Jaehun Chun, Senior Research Scientist, Pacific Northwest National Laboratory (PNNL)\n\nA colloidal dispersion has been of great interest in both fundamental science and practical applications. It inherently involves a wide range of length and time scales, represented by physicochemical characteristics such as solution structures near interfaces, particle interactions, aggregation, and rheological responses. This “multi-scale” nature has been posing a significant challenge to rigorous understanding. In this talk, we will talk about particle interactions, composed of colloidal, hydrodynamic, and mechanical interactions, and their correlations tophenomena at different scales. More importantly, we will see the importance of physicochemical details (e.g., solvent structure/ion specificity and particle shape/surface roughness) in colloidal dispersions via a combination of experiments, theories, and simulations. This talk will clearly illustrate connecting scales is necessary to obtain in-depth understanding of various phenomena involved in colloidal dispersions.\n\n \n\n 
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