Sentence examples for compound standard from inspiring English sources

A TCh (as thiol compound) standard stock solution was prepared in the phosphate buffer (0.1 M and pH 7.4).

The exact mass to charge ratio (m/ z) of the molecules was extracted from the raw data or total ion chromatogram generating an EIC; and the retention time and accurate mass of each compound (standard and internal standard) were obtained.

The detection and integration of the cannabidiol peak was performed at 230 nm in comparison to the compound standard (Sigma-Aldrich, 98.5% purity). 1 mL of extract was reextracted twice with 10 mL of hexane by vortexing vigorously for 15 min.

72 available phenolic compound standards from diverse families present in fruits have been studied in order to analyze their fragmentation pattern.

Using these compound standards and published fragmentation data we analyzed total urine of BALB/cJ, C57BL/6J and CD-1 strains by LC- and GCMS for these previously identified pheromones.

See Table  2 for the breakdown seen from compound standards.

Phenolic compound standards were purchased from Sigma Aldrich (Milan, Italy).

This resulted in three sample groups with spiked-in compound standards.

The concentration of compound standards in each of the spiked-in sample groups was 10, 25, and 40 μg/mL, respectively.

Since that time, continuing advances in the analytical technologies for metabolomics (including improvements to instrumentation sensitivity, enhanced separation capacity, better software and more compound standards) have occurred.

Phenolic compound standards (catechin, gallic acid, isorhamnetin 3- O-glucoside, kaempferol 3- O-glucoside, kaempferol 3- O-rutinoside, myricetin, quercetin 3- O-glucoside and quercetin 3- O-rutinoside) were purchased from Extrasynthese (Genay, France).