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ORGANIZER;CN=Natalie Leung:MAILTO:[log in to unmask]
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE;CN="SOCAAR-l:
Southern Ontario Centre for Atmospheric Aerosol Research":MAILTO:SOCAAR-L@l
istserv.utoronto.ca
ATTACH:CID:[log in to unmask]
DESCRIPTION;LANGUAGE=en-US:\nHi\,\n\nSOCAAR is pleased to announce the next
SOCAAR Seminar:\n Wednesday\, March 18\, 2015\, 3 – 4 PM\n200 College
Street – WB407\n\n\n\n\nProbing Aerosol Particle Mimics with Droplet Mic
rofluidics\nAndrew R. Metcalf\, Ph.D.\nNSF-AGS Postdoctoral Fellow\nDepart
ment of Mechanical Engineering\nUniversity of Minnesota\n\n\nAtmospheric a
erosols are an important contributor to Earth’s climate\, and yet remain
the largest source of uncertainty in modeling of future climate change. T
his uncertainty arises due to the intricate nature of aerosol particles
— specifically how multiple phases within an aerosol particle interact w
ith each other. Many factors play a role in determining a particle’s int
ernal structure\, resulting in many possible particle configurations. For
example\, the aqueous and organic phases in a single aerosol particle may
align in side-by-side nodule morphology\, or the organic phase may form a
film that completely surrounds the aqueous phase. In order to fully predic
t a particle’s internal structure at a given temperature\, relative humi
dity\, and chemical composition\, fundamental studies of interfaces observ
ed in atmospheric aerosol particles are essential.\nIn this seminar\, I wi
ll discuss our recent developments to harness droplet microfluidics to pro
be the fundamental properties of aerosol particle interfaces. By using thi
s microscale platform\, important rheological\, thermodynamic\, and kineti
c properties of atmospheric aerosol mimics can be explored\, yielding insi
ght into multiphase aerosol particle dynamics. Specifically\, I will highl
ight recent results from our lab in which we studied the time-dependent in
terfacial tension of a reacting methylglyoxal—aqueous ammonium sulfate m
ixture\, its evolution with time\, and the relevance of these results to t
he atmosphere.\n\n\n\n\nIf you are unable to join us for the seminar in pe
rson\, we will be broadcasting the presentations live during the seminar u
sing GoToMeeting software. Please feel free to join us online using a web-
browser or by calling in and using the webviewing software. If you do deci
de to join us\, please remember to mute your microphone. If you have any
questions during the meeting you are welcome to contact me by email\, or b
y using the GoToMeeting chat.\n\nInstructions on how to connect:\nUsing yo
ur web-browser or smartphone\nhttps://global.gotomeeting.com/join/49370108
5\nBy telephone.\n\nDial +1 (647) 497-9379\nAccess Code: 493-701-085\n\nAu
dio PIN: Shown after joining the meeting\n\nMeeting ID: 493-701-085\n\n\n\
n\n
SUMMARY;LANGUAGE=en-US:SOCAAR Seminar - Andrew R. Metcalf
DTSTART;TZID=Eastern Standard Time:20150318T150000
DTEND;TZID=Eastern Standard Time:20150318T160000
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0100000000F04DC4B0ADB1F41812B437AFE83BF78
CLASS:PUBLIC
PRIORITY:5
DTSTAMP:20150309T132445Z
TRANSP:OPAQUE
STATUS:CONFIRMED
SEQUENCE:0
LOCATION;LANGUAGE=en-US:WB407 - 200 College St
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