Sentence examples for in unknown concentrations from inspiring English sources

Fentanyl and other drugs are widely available in unknown concentrations and purities.

4 5 7 25 26 Users are inadvertently being exposed to unidentified drugs in unknown concentrations, which increase the risk of toxicity and overdose.

The average peak area vs. concentration of LOS (in μg mL−1) was plotted to obtain the standard curve for determining the unknown concentrations of the analyte.

In our model the target DNA consists of one or more DNA "segments" which have unknown concentrations.

Note: if the reaction between the solution in the burette and the solute of unknown concentration in the flask doesn't show any visual signs of reaction, you'll need to add an indicator to your flask.

(d) Indirect deconvolution techniques show favorable efficiency in the screening of thousands of candidate ligands of unknown concentration in a mixture, but rely on synthetic reactions of rigorous yields and accurate assays of activities of ligand mixtures[ 18- 21].

The proposed technique is an absolute methodology, based on the comparison of the fluorescence of the accurately known standard with a sample of similar but unknown concentration in the low operational range of the instrument (on same sample-dilution basis), by the use of H3PO4 NH4H2PO4 as a fluorescence-enhancing reagent.

The unknown concentration in samples can be determined by extrapolation to the standard curve.

The unknown concentration in samples can be determined by extrapolation to this standard curve.

Hence, new methods are needed to screen multiple candidate ligands of unknown concentration in mixture samples.

(b) The size-exclusion-chromatography affinity-selection mass-spectrometry technique measures the affinities of multiple candidate ligands in a mixture, but requires special instrumentation and is inapplicable to multiple candidate ligands of unknown concentration in a mixture[ 11- 15].