Sentence examples similar to two fold use from inspiring English sources

Concentration of 1.0 mg/mL of MST was dissolved in DMSO then 1 mL of this solution was diluted ten fold using mobile phase to prepare working standard 1 (WS100100 µg/mL).

The ability to achieve expansion for ∼20 passages (million fold) using human AB serum supplemented medium also suggests that it may be possible to expand EPCs using patients' own serum.

Each sample was diluted by ten folds using ultrapure water.

The whole dataset (dataset I) was randomly split into five folds, with four folds used for training and the other fold for testing.

The cross-validation process is then repeated ten times, with each of the ten folds used exactly once as the validation data.

Accuracy and bias were averaged across the four folds used in cross-validation in order to have a single measure per model.

For each of the methods, first, the summaries were obtained for the ten models discovered in each of the ten folds, using the patients in the left-out validation subset.

The supernatant obtained was filtered by using 0.22 μm filter (Millipore), diluted by two fold and used to test the activity as mentioned earlier (Singh et al. 2012).

Then two fold dilutions using distilled water were made to prepare concentrations of 500, 250 and 125 mg/L.

Using the presence call of the MAS5 algorithm identified 124 A-S genes, 76 of which had at least two fold difference; using expression level of 50 as threshold identified 172 A-S genes, 146 of which had at least two fold difference (those with two fold differences are marked with "*" in the second column in Additional file 5).

The risk of worsening was increased two fold by the use of antiplatelet drugs (106, 19.7% treated versus 95, 9.3% untreated; relative risk (RR) 2.09, 95% CI 1.63 to 2.71).