Sentence examples for single substances from inspiring English sources

Unlike most blood tests, which measure levels of single substances, the new test looks for patterns of proteins that set cancer patients apart.

Single substances were preferred to mixtures of natural substances for two reasons.

Hence regulating PAH as certain single substances is not appropriate to address the concerns.

In addition, 82 products listed allergenic fragrance ingredients as single substances in their ingredient lists.

There is increasing research activity regarding the transformation of single substances under laboratory conditions.

"The classification of single substances by various producers is not consistent.

However, a very limited number of studies report the results of laboratory exposures of roach to single substances [11, 13, 14, 70].

(Safety data sheets provide information about mixtures, the GIS Code is for building materials and the ECHA homepage provides information about single substances, but not about particular products).

Like other PAH of concern, anthracene and anthracene derivatives are not registered, because these substances are neither produced nor marketed as single substances.

One particular problem is that contaminants in sediments rarely cause effects as single substances, but rather in concert with numerous others that are present in complex mixtures [10].

It is important to selectively detect these toxic substances as either single substances or substance classes in the presence of other compounds.