Sentence examples for grouping of substances from inspiring English sources

The grouping of substances serves to streamline testing for regulatory purposes.

Furthermore, the grouping of substances and read-across approaches were developed for filling data gaps in registrations of chemicals.

According to REACH Annex XI 1.5 (grouping of substances and read-across approach), the aim of a read-across is to avoid testing of every substance for every endpoint using data known for one substance for other, similar substances.

Thus, Green Toxicology, which utilizes and considers all available information about a test substance through, for example, (Q SAR, read-across and grouping of substances approaches may lead to reductions in the amount of chemicals and animals required for testing and development of new substances.

Another group of substances, called growth factors, possess hormonelike activity.

Amphetamine-type stimulants - including ecstasy - remain the second-most widely consumed group of substances, it says.

Astringent, any of a group of substances that cause the contraction or shrinkage of tissues and that dry up secretions.

Butadiene (Figure 3) is used to produce plastics and elastomers, a group of substances related to plastics.

It examined levels of epicatechin, the antioxidant compound, one of a group of substances found in food known as flavonoids that have been linked to better cardiac health.

An enzyme will interact with only one type of substance or group of substances, called the substrate, to catalyze a certain kind of reaction.

Organometallic compounds constitute a very large group of substances that have played a major role in the development of the science of chemistry.