The phrase 'single chemicals' is correct and usable in written English.
You can use it when you are referring to a particular chemical or group of chemicals. For example: "The scientists isolated a variety of single chemicals from the sample."
Single chemicals, however, offer limited enhancements of skin permeability.
The vast majority of toxicity studies and risk evaluations deal with single chemicals.
Researchers also note that pollinators in real environments are continually exposed to cocktails of many pesticides, rather than single chemicals for relatively short periods as in regulatory tests.
Concentration-response relationships for single chemicals were modeled and used to design the mixture experiments following a ray design.
This translational capability can increase the capacity and efficiency of safety assessments both for single chemicals and chemical mixtures.
Additivity, or the lack of it, is largely based on extrapolation of existing knowledge for single chemicals in this context.
Moreover, our zebrafish specific assays are valuable tools that could be used in risk assessment for both single chemicals and their mixtures.
Despite this, few in vivo mixture studies have been conducted to date to understand the health impact of chemical mixtures compared to single chemicals.
However, few in vivo mixture studies have been conducted to understand the health effects of chemical mixtures compared with single chemicals.
The assumption of concentration addition is commonly tested statistically based on results of toxicity experiments with the two single chemicals and their binary mixture.
An in vitro assay has been developed to screen for estrogenic activity of single chemicals or complex mixtures.
