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aryl

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.05 sec.
ar·yl (rl)
n.
An organic radical derived from an aromatic compound by the removal of one hydrogen atom.


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Using aryl hydrocarbon receptor (AHR)-based and estrogen receptor (ER)-based cell bioassay systems, we assessed the dioxin-like and estrogenic activities of gas-phase organic ambient air contaminants compared with those of particulate-phase contaminants using samples collected between seasons over 2 years from an urban and a rural location in the Greater Toronto Area, Canada.
The conformation of the isopropyl groups is such that the isopropyl C-H bonds all lie approximately parallel to the plane of the aryl ring, with the methyl substituents indicative of repulsive interactions between the isopropyl groups and the sulfonamido group.
Products include a range of aryl, alkylaryl and alkyl esters.
 
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