Sentence examples for sample free of from inspiring English sources

And a contention that Dr. Ivins tried to mislead investigators by submitting an anthrax sample free of genetic markers looked questionable after the journalists found that he had submitted other samples that contained the markers.

For this, the standards were obtained performing the same extraction procedure used for the sample, using emulsions obtained with a gasoline sample free of analytes and the addition of inorganic standards.

At treatment admission 14 patients, most referred from strictly controlled environments, produced an admission urine sample free of unprescribed drugs; 12 of those also denied any substance use in the previous 30 days and continued producing substance-free urine samples.

Genomic DNA contamination was also monitored in every assay using a sample free of reverse transcribed cDNA (minus RT control).

Before DNA extraction, one faecal sample was autoclaved twice (121°C, 15 min) to obtain a sample free of DNA.

For the sample free of MetS at baseline, we excluded individuals with MetS and those without relevant follow-up covariates (Fig. 1).

He offers dried apricot pits and raisins, samples free of charge.

Dialyzed samples free of lower MW fractions were repeatedly freeze-dried for further analysis.

But Sachiko M. -- perversely and interestingly -- keeps her sampler free of memory, using only its sine-wave test tones.

In situ Raman monitoring was used to determine experimental conditions allowing the preparation of samples free of pyrolytic carbon and not altered by air exposure.

A suit of fifteen actual core samples free of fractures was extracted from three wells A, B and C of an actual shaly sandstone oil reservoir.