Sentence examples for blood samples were left from inspiring English sources
The rest of blood samples were left under 4 °C overnight, then centrifuged at 6000 r.p.m. for 8 min.
Blood samples were left to clot for 45 to 60 minutes and then centrifuged (at 1000 × g for 10 minutes at room temperature) to harvest serum.
Blood samples were left to clot at room temperature and then centrifuged at 3000 rpm for 15 min to separate serum.
Fresh blood samples were left to clot at room temperature for 2 to 6 hours.
Blood samples were left in ice for 45 minutes, and then centrifuged at 1700 g at 4°C for 15 minutes.
The blood samples were left at room temperature for 30 min to coagulate.
In addition, methodologic work, with use of the same assay used in the current study, has shown that most metabolites (72% and 93%) are stable after noncentrifuged blood samples are left at room temperature for 24 h and after 2 freeze-thaw cycles, respectively (36).
Short-term use of wireless telephones and serum concentrations of TTR were examined by comparing use on the day the blood sample was left; long-term use by comparing cumulative use and years since start of use, as well as fractions of total duration for the different telephone types.
Total RNA was isolated from 5 ml of whole blood samples with the PAXGene Blood RNA system (QIAGEN) and samples were left at room temperature for 24 hours before processing according to manufacturer's instructions.
Fresh venous blood samples were drawn, left to clot for 30 minutes before centrifugation at 1,500 g for 15 minutes, and serum was collected and stored in aliquots at -80°C until used.
