Sentences with phrase «detect pahs»
Until now, the instruments used to monitor the water around the spill have not been able to adequately detect PAHs and related long - lasting toxic molecules, he says.
https://www.scientificamerican.com/ Not exact matches
Several PAH compounds that may be more toxic than those regulated by the authorities, have been detected in tunnel wash water.
PAHs and other aromatic molecules are even more difficult to detect because they typically form with very symmetrical structures.
Even though, as a group, PAHs seemed to be the answer to this mystery, none of the hundreds of PAH molecules known to exist had ever been conclusively detected in interstellar space.
It's part of a new initiative to develop faster ways of detecting polycyclic aromatic hydrocarbons (PAHs) in shrimp, mussels, and oysters.
The goal of the Uppsala University team is to create bacteria capable of detecting and degrading polycyclic aromatic hydrocarbons (PAH's).
We detect MIR and FIR emission in the regions far away from the disk of the galaxy, reflecting the presence of dust and PAHs in the halo of M82.
We have significantly detected polycyclic aromatic hydrocarbon (PAH) features from 14 out of the 18 galaxies, and thus found that the presence of PAHs is not rare but rather common in dusty elliptical galaxies.
Bond - stretching motions in the molecules» infrared spectra are too similar to parse, and many PAHs lack strong polarity, making signatures in their rotational spectra — typically collected with radio telescopes — difficult to detect.
During and following the DWH oil spill, significantly elevated PAH levels were detected in the coastal GoM waters, including Louisiana, Mississippi, and Alabama [53].