Polycyclic

For decades, NASA scientists had tried to match the infrared emissions from carbon chemicals called Polycyclic aromatic hydrocarbons (PAH) to a mysterious infrared glow released by certain stars.

Livescience.com 2010

"Polycyclic" means that these molecules are collections of rings of carbon atoms, and

ScienceBlogs Channel : Life Science Jason G. Goldman none@example.com 2010

"Polycyclic" means that these molecules are collections of rings of carbon atoms, and

ScienceBlogs Channel : Life Science Jason G. Goldman none@example.com 2010

The data that we collected also lead us to believe that Polycyclic Aromatic Hydrocar­bon PAH contamination in some seafood species may be increasing over time.

Rocky Kistner: Disaster in the Gulf: So What Are We Doing About It? Rocky Kistner 2011

Polycyclic aromatic hydrocarbons (PAHs) are a class of chemicals which have been linked toDNA damageand cancer.

Gina Solomon: The Gulf Oil Spill and Seafood Safety 2010

In Polycyclic Hydrocarbons, edited by E. Clar, vol. 1, 133 – 160.

Regina Schoental. 2009

Once our relaxing experience in the shower is complete, we reach for our towels to dry our bodies and unknowingly start spreading around a layer of Contaminant Polycyclic Aromatic Hydrocarbons (PHAS) on our skin.

Amy Swift: Ladies Who Launch: Moms - Beware! Is It Beauty Or Cancer That Is In Our Bathrooms 2008

“Polycyclic-musk” is the common name for a group of synthetic musks whose chemical structure has many rings.

Synthetic musks 2008

Components of smoke haze, including Polycyclic Aromatic Hydrocarbons (PAH), are known carcinogens, the effects of which may not be apparent for years.

Air quality in megacities 2008

Polycyclic Aromatic Hydrocarbons PAHs are created when nearly any organic material, including wood and fat, is heated to the point that it begins to burn p.

On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004