These results suggest that either the spectrum of miRNAs that respond to chemical treatment is unique for specific groups of chemicals or that there are methodologic differences in detection of chemically responsive miRNAs.
The vast majority of modern insecticides fall into one of two large groups of chemicals.
Humans have around 200 TAS2R genes, each sensitive to different groups of chemicals.
Most of the above-mentioned groups of chemicals that can be used either as plastics or elastomers can also be made into the form of coherent films.
Layers of the sediment were tested for deposits of polycyclic aromatic hydrocarbons, or PAHs, groups of chemicals associated with oil that in many cases have been found to cause cancer in humans after long-term exposure.
The World Health Organization calls mercury "one of the top ten chemicals or groups of chemicals of major public health concern", and states that human activity, including gold-mining and coal-fired power stations, is the "main cause of mercury releases".
Strategies for bioaccumulation assessment still need to be harmonised for different regulations and groups of chemicals.
In this step, the assessor focuses on the chemicals and groups of chemicals that drive toxicity.
Even groups of chemicals that have been tested can be steeped in controversy.
Pharmaceuticals represent one of the few groups of chemicals specifically designed to act on living cells.
Another dictionary was used to match common prefixes and postfixes that appear in specific groups of chemicals like organic chemistry.
