Sentence examples for spiking of samples from inspiring English sources

Metabolites were identified by spiking of samples with appropriate standards.

Spiking of samples drawn before the addition of POX had been started, thus without any POX or PenV content, showed that the appropriate bands appeared and were proportional to POX concentration (Fig. 2(a)).

Matrix spikes of samples were also used and Hg recoveries ranged from 93to122%2 %.

Spiking of serum samples by this antigen revealed a recovery of 96 102% with results being in excellent agreement when compared to ELISA.

Included in the ICPMS analytical runs were the following quality control samples: calibration verification (every 10 samples), reagent blanks (every 10 samples), method blanks (one per batch), matrix spikes (10% of samples), sample duplicates (10% of samples), and NIST SRM 2709 (one per batch).

The CAS panel ruled out deliberate spiking of the sample but said "environmental contamination" was possible.

We validated the well-known approach of standard addition by consecutive spiking of the sample spot with known peptide amounts.

In addition, spiking of ileal mucosal samples of the present study with the reference material showed good recovery of TBARS.

The identification of seven peaks succeeded, again by comparison with migration times of aqueous calibrators and spiking of the serum samples.

The soil sample itself releases about 1%% of the present Cd, this percentage is slightly increased to 1.35 % after spiking of the soil sample.

Another way is the spiking of the respective sample material with a range of NP concentrations as presented by Judy et al. [ 20] for tobacco plant leaves.