Sentence examples for use of standard reference from inspiring English sources

The lack of clear answers may be attributable partly to different interpretation of the existing data, which can be related to many of the overarching research needs described above (rigorous attention to use of standardized terminology, sampling characterization/measurement methods, use of standard reference materials, and use of appropriate dose metrics).

Quality assurance comprised the use of standard reference materials and comparative inter-laboratory studies.

The limit of quantification (LOQ) depended on initial weight as well as on the measurement system (listed in Table 6. Quality assurance was performed by the use of standard reference materials (TM-15.2 water (33.9 ± 4.6 µg/L), rice flour (4.21 ± 0.34 mg/kg), apple leaves (286 ± 9 mg/kg), and blanks, which were also digested and treated the same as the samples.

Modern instruments together with the use of standard reference materials have improved the accuracy and long-term reproducibility of the analysis of nutrients (ammonium, nitrate, nitrite, phosphate and silicate) in sea water using segmented-flow analysis, so that errors arising from matrix effects become more significant.

One of the limitations of the study is the lack of use of standard reference drug.

Concerning fish collections used for THg analysis, typical internal QC checks included replicate measurements/samples, internal test samples, method validation, blanks, and use of standard reference materials.

For diseases and disorders, we included examples important to the health of children for which there was also published research that showed an established or suggested link to one or more environmental contaminants, based on previous analysis, consultation with experts, survey of the scientific literature, and use of standard references and existing reviews (Woodruff et al. 2004).

For quality control, instrument performance was validated using repeated measurements of standard reference water (PlasmaCAL Multi-Element QC Standard 1; SCP Science, Canada) with an average percent recovery of 95%.

Calibrators and reference controls were assigned concentration values with the use of International Federation of Clinical Chemistry standard reference materials SP1 for apoA-I and SP3-07 for apoB.

Measurement of SBA titers was performed at the Health Protection Agency (now Public Health England), Manchester, United Kingdom; and the ELISA was performed at the Centers for Disease Control and Prevention CDCC), Atlanta, Georgia, with the use of the standard reference serum CDC1992 [ 18].

The samples were loaded without pressing into an open 6 mm diameter and 3 mm high platinum crucible, without using of a standard reference material.