Sentence examples for oldest samples from inspiring English sources

When they exposed existing biofilms of various ages to DNase I, all but the oldest samples (84 hours old) dissolved.

Updating a sample-based model is simple: a pixel classified as background is added to the sample set, and the oldest samples in the set are removed.

The oldest samples all seemed to have 18 columns of lenses just like the slightly older species, now found in Germany and northern Africa, that were probably the ancestors.

The myo-inositol content decreased from the oldest samples to the younger samples as follows: first style, about 5%; second style, about 1%; third style, about 0.3%; and fourth style, <0.1% (Additional file 1: Figure S3).

The oldest samples were from the Russian site and roughly 32,000 years old, Revedin and colleagues report online today in the Proceedings of the National Academy of Sciences.

Standard laboratory DNA isolation methods, such as sonication, ribonuclease (RNase) treatment, and ethanol precipitation may reduce the available pool of DNA enough to prevent recovering usable sequences from the oldest samples.

Carbon dating suggests that the oldest sample had sheathed a body interred around 4200 bc, and the most recent about 3150 bc.

Only two polymerases were able to amplify the ~620 bp fragment from the oldest sample (BioTaq Red, Mango-Taq).

If more than one prediagnostic serum sample was available, the first (oldest) sample was chosen.

The mother, father, and oldest sampled daughter were used for these analyses.

The oldest sample was embedded and stored 26 years before DNA extraction (lane L).