Sentence examples for verification of concentration from inspiring English sources
Total RNA was extraction, verification of concentration and integrity and synthesis of cDNA were performed as described before Primers for the RT-qPCR targets, genes nodD1, nodD3, nodD4, nodD5 and nodC, were designed using Primer3Plus (http://www.bioinformatics.nl/cgi-bin/primer3plus/primer3plus.cgi/), to obtain amplicons of 50 150 bp.
Verification of carbaryl concentrations were conducted by Prof. W.P. de Voogt (University of Amsterdam).
Interestingly, Dietrich himself coauthored a semistatic study on snails (Czech et al. 2001) with several shortcomings: they used no analytical verification of exposure concentrations, no replicates, and inconsistent group size.
Regulatory guidance for the validation of analytical procedures has been developed for drug product/formulation testing; however, verification of the formulation concentrations falls under the framework of GLP regulations (not GMP).
The 260/280 absorbance ratio was measured for verification of the purity and concentration of the RNA.
Verification of the test compound concentration took place twice a week over the 3-week period.
Among the several certification tests carried out at each station, the verification of the radionuclide activity concentrations is a crucial one and is based on an independent testing of the airflow rate measurement system and of the gamma detector system, as well as on the assessment of the samples collected during parallel sampling and measured at radionuclide laboratories.
Quality control steps included daily calibration with verification of a high and low concentration standard for each working range, a procedural blank, and Certified Reference material GBW 07601 (human hair; Institute of Geophysical and Geochemical Exploration, Langfang, Hebei Province, People's Republic of China).
The verification of the factory calibration shows that measured concentrations are between 27 and 106% of the nominal concentration of standards.
"Beware of concentration lapses".
A matter of concentration?
