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DTSTAMP:20260914T212433Z
LAST-MODIFIED:20130906T123245Z
DTSTART:20130913T160000Z
DTEND:20130913T170000Z
UID:event1077@bu.edu
URL:http://physics.bu.edu/internal/events/show/1077
SUMMARY: Pickering Emulsions and Beyond 
DESCRIPTION:Featuring Lenore L. Dai\, Arizona State University\nHosted by: 
	Ophelia Tsui\n\nPart of the Biophysics/Condensed Matter Seminar Series.\n\n
	Abstract \n\n \n\n            Emulsions are ubiquitous in natural and indus
	trial processes.  Conventional emulsions use organic surfactants or polymer
	s as stabilizers. Although solid particle stabilized emulsions (Pickering e
	mulsions) are often encountered in crude oil recovery\, oil separation\, co
	smetic preparation\, and wastewater treatment\, the phenomenon is not well-
	understood.  There is limited existing technology of using solid particulat
	es as commercial stabilizers\, although they open a new paradigm of emulsio
	n stabilization and provide various opportunities for practical application
	s. \n\nHere we investigate the fundamentals and applications of Pickering e
	mulsions. Using laser scanning confocal microscopy\, we have studied the se
	lf-assembly of solid particles at oil-water and ionic liquid based interfac
	es.  In addition\, we have employed molecular dynamics (MD) simulations to 
	understand the self-assembly of nanoparticles at these interfaces. We have 
	also employed Pickering emulsions as a new\, convenient\, and unique experi
	mental model system to investigate the dynamics of microparticles at liquid
	-liquid interfaces and validated interfacial microrheology.   Finally\, we 
	have developed novel one-step Pickering emulsion polymerization to synthesi
	ze "smart" composite nanoparticles.
LOCATION:SCI 352\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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