Sentence examples for withdraw a sample from inspiring English sources

The loss of fluid was a rare complication from a medical procedure, amniocentesis, in which a needle is inserted through the woman's abdomen to withdraw a sample of amniotic fluid for genetic tests.

Considering participants' compliance, none response and withdraw, a sample size of 100 per arm is needed.

For each subsample, we homogenized the sediment with a ladle or small spoon, withdrew a sample, estimated its volume, and placed it in an enamel pan.

The course of the reaction and the products were monitored by periodically withdrawing a small sample (20 μl) of the reaction mixture, which was analyzed by liquid chromatography.

At 2.5, 5, 10, 20, 30, 40 and 60 min after tracer injection, continuous blood sampling was interrupted briefly to withdraw a 10-mL manual blood sample, followed by flushing of the arterial line with a heparinised saline solution.

At preset time intervals (2 to 10 min depending on the rate of reaction) the cumulative amount of base added is recorded and periodically 5 mL aliquots were withdrawn through a sample port fitted with a filter.

Then, the CLEAs were centrifuged off (20,000×g, 15 min), and the supernatant containing only free enzyme was withdrawn as a sample (B).

Mixture quality is often assessed by withdrawing a number of samples of proscribed size and calculating the variance of the compositions.

After withdrawing an arterial blood sample, the ratio of alveolar dead space (VDA) to VT was calculated as: VDA/VT = 1 – (PETCO2/PaCO2) where PETCO2 is end-tidal CO2 measured at the plateau of the expired CO2 curve.

While an anonymonised sample is the best means of ensuring privacy this limits the potential for a donor to withdraw their sample.

Donor whether could withdraw his sample data was disclosed.