ultrafine

Another 2005 study by researchers at the University of Texas found that when an ozone machine was turned on in the presence of a pine-oil cleaner, it produced "significant increases" in so-called ultrafine particles, a pollutant that is of concern to health experts because of the particles 'ability to penetrate deeply into the lungs.

Air Purifiers Sylvia Pagán Westphal 2008

They found that emissions of so-called ultrafine particles, which are less than 1/500th width of a human hair, were significantly elevated when compared to background pollution levels.

PhysOrg.com - latest science and technology news stories 2009

The study, published today in the journal Environmental Science and Technology, found that emissions of so-called ultrafine particles were 10 times higher than background levels about

unknown title William Nottingham 2009

The same combination can create ultrafine particles that hang in the air before settling and can be easily inhaled.

Trying to make scents of the chemicals in household cleaners 2010

The same combination can create ultrafine particles that hang in the air before settling and can be easily inhaled.

Trying to make scents of the chemicals in household cleaners 2010

BP fails to mention the threat from dispersed oil, ultrafine particles (PAHs), and chemical dispersants, which include industrial solvents and proprietary compounds, many hazardous to humans.

Riki Ott: BP, Governments Downplay Public Health Risk From Oil and Dispersants (PHOTOS) 2010

BP fails to mention the threat from dispersed oil, ultrafine particles (PAHs), and chemical dispersants, which include industrial solvents and proprietary compounds, many hazardous to humans.

Riki Ott: BP, Governments Downplay Public Health Risk From Oil and Dispersants (PHOTOS) 2010

The ultrafine clay particles squashed the spider without breaking up the animals 'delicate cuticle as more coarse sediment would, Selden said.

Blah, Blah! Technology 2010

Gillette, meanwhile, is touting seven technological advances, including ultrafine cutting edges, a "snow-plow guard" that prevents hydroplaning and a new ergonomic grip that improves traction.

New Schick Razor Will Counter Gillette Ellen Byron 2010

Gillette touts its Fusion ProGlide's ergonomic grips, its ultrafine cutting edge and a "snow-plow guard" that moves around the shaving cream.

Razor Burn: A Flood of Fancy Shavers Leaves Some Men Feeling Nicked 2010