Sentence examples for serum sample was placed from inspiring English sources
For virus isolation, 200 µL of the tissue homogenate or serum sample was placed on confluent MDCK cells in 24-well plates to incubate for 1 hr.
An aliquot of 25-μL diluted serum sample was placed on a coated well and incubated at 37°C for 30 minutes in a moist chamber.
Blood samples were kept in total darkness before being centrifuged, then serum samples were placed into −80 °C until MT measurement was performed.
The samples were centrifuged for 8 min. at 3000 rpm, then serum samples were placed into -80 °C in 500 µl test tubes dedicated for photosensitive material.
Serum samples were placed in designated microwells.
Serum samples were placed on dry ice and shipped to the London School of Hygiene & Tropical Medicine and lesion samples to the US Centers for Disease Control and Prevention.
Then aliquots of the serum samples were placed in 1.5-mL Eppendorf tubes and stored at −40°C for future use.
Dilutions of the test and control serum samples were placed into the PBS-milk and then incubated at room temperature for 2 h.
Serum samples were placed at 4°C for 2 hours, centrifuged at 1800 g rpm at 4°C for 10 minutes, aliquoted and stored at -80°C.
The serum samples were placed in a cryobox and frozen at –20°C, then shipped on dry ice to the CDC's NCEH laboratory.
In brief, all blood and serum samples were placed in plain polystyrene tubes, delivered on the same day at BRP and stored at −20°C.
