Sentence examples for plasma samples were frozen from inspiring English sources

The plasma was obtained by centrifugations at 900 × g for 10 min. Plasma samples were frozen and maintained at -20°C before analysis.

First, the CGRP has a very short half life, barely 7 min, hence we made sure that plasma samples were frozen to −70°C within 5 min of drawing the blood [10, 11].

Plasma samples were frozen at −70°C.

Plasma samples were frozen in liquid nitrogen and stored at −80°C.

Plasma samples were frozen, thawed, and analyzed simultaneously by the Cytokine Analysis Facility at the FHCRC for IL-7, IL-15, and in selected cases IL-2 by sandwich ELISA.

The plasma samples were frozen at −20 °C until testing.

At registration and at every follow-up visit, plasma samples are frozen for further analysis.

After centrifugation at room temperature for 20 minutes (1500 × g), aliquots of serum and EDTA-plasma samples were frozen consecutively and stored at -80°C until analyzed.

Subsequently the plasma sample was frozen in liquid nitrogen and stored at −80 °C until analysis.

Each plasma sample was frozen and thawed only once.

After centrifugation, the plasma sample was frozen at -80°C until further analysis.