These core samples were removed from four Midwestern sites.
Probes with >70% absent points among all samples were removed from downstream analysis.
The samples were removed from the water and dried at 105 ± 5 °C.
(The samples were removed from previously healthy, dead individuals. The humans had died mainly in accidents).
Samples were removed from culture at 0, 1, 2, 3 and 4 weeks and snap frozen in liquid N2.
Samples were removed from the immersion tank after specific failures and analyzed for chloride content and failure modes.
Tube samples were removed from water, cut in half longitudinally using a razor blade, and flattened immediately before loading into the apparatus.
Samples were removed from the mixed cultures at regular intervals and analyzed for the presence of phage and V. cholerae using standard plating techniques.
The liquid samples were removed from the vials with a syringe and injected into a UV absorption cell (UV spectrophotometer) to determine the nitrate values in absorption units.
Micro-samples were removed from artefacts using acetone swabs.
