Sentences with phrase «form ultrafine»

Nicotine can react with ozone to form ultrafine particles, which can carry harmful chemicals and pass through human tissue.

Not exact matches

Ultrafine particles, which form from condensation of hot exhaust vapors, are of particular concern because they deposit deeply into the lungs and can enter the bloodstream.

In the second paper, physicist Dejan Vinković of the University of Split in Croatia developed a model that shows how a combination of stellar wind and infrared radiation from the inner disk can blow the ultrafine crystallized silicate particles billions of kilometers from the inner regions of a protoplanetary disk to its colder outer sections, where comets and other cold but rocky objects, such as Pluto, can form.

The Berkeley Lab team has done previous studies establishing the formation of harmful thirdhand smoke constituents by reaction of nicotine with indoor nitrous acid, showing that nicotine can react with ozone to form potentially harmful ultrafine particles, and finding that thirdhand smoke can cause genetic damage in human cells.

In the absence of photooxidation, ultrafine sulfate particles form from the small amounts of sulfuric acid that is often directly emitted from the power plant.

Additional aerosol mass composed of organosulfate and organonitrate chemicals can then form via nitrogen oxide - initiated oxidation of VOCs from natural vegetation (e.g., isoprene) in the presence of highly acidic ultrafine particles.

Next in line to further decrease CO2 form cars come downsized turbo GDI (gas direct injection) engines and they emit much more ultrafine particles and NOX than regular natural aspirated engines with PFI (port fuel injection) and even more than some Euro6 diesels with particle filter.