Discover and read the best of Twitter Threads about #aaar19
Most recents (4)
#AAAR19 Justin Dingle U of Toronto finds elevated levels of Cu and Zn in home dust in Canada in bedrooms, basement, doormats. Appears that the sources are indoors...what are they?
#AAAR19 Du, Zn, Ni, Ag, Cd, Sb all cluster together in a principal components analysis, they are anthropogenic (human made)...
#AAAR19 hypothesizes abrasion from fan/motor components (think vacuum, ceiling fans...) and paint...
#AAAR19 Pradeep R with @etgall presents research on Green Roofs, which are expected on new buildings in Portland (and in Denver too). Does the green roof affect building HVAC filters? #micrbiome very interesting with >50% plant biomass DNA on green roof filter in winter
#AAAR19 talk by Sumit S @CUEngineering from @marinavance research group talking on @IndoorChem #HomeChem. Black/brown carbon aerosol much higher for breakfast compared to making stir fry or chili.
@CUEngineering @marinavance @IndoorChem #AAAR19 almost 60% of the brown carbon aerosol indoors was from the cooking, the rest actually from outdoors, since the penetration factor for outdoor brown carbon indoors was 0.7.
@CUEngineering @marinavance @IndoorChem #AAAR I am sure you are wondering what they cooked for breakfast? an English version of tomato, sausage, eggs, toast, coffee.
This is gonna be good...fine and ultra fine particles from marijuana use indoors #AAAR19
#AAAR19 Talk by Tongke Zhao working with Dr. Hildemann at Stanford U, plus Drs. Ott and Wallace. Tested joints, glass pipe, bong & vaping pens. had an "experienced smoker" doing the particle generation.
#AAAR19 joint smoking gave highest PM2.5 concentration, peaking at 800 ug/m3 (3 puffs in a college dorm room). The same 3 puffs on a cigarette in the same room only generated PM2.5 of 150 ug/m3...
