Sentence examples for by freezing the sample from inspiring English sources
In theory, quantitative analysis of inter-spin distances must be carried out in the absence of dynamic effects, which is normally achieved by freezing the sample.
Reaction was stopped by freezing the sample in liquid nitrogen.
Acyl-carnitines were extracted from 250 mg of liver by freezing the sample in liquid nitrogen and grinding the sample into a powder.
To determine if RAMP results were affected by freezing the sample, samples from 13 corvids (10 positive, 3 negative) were retested by using swabs taken from frozen carcasses.
Digestion was quenched by freezing the samples at −30°C.
At the end of the treatment period (total 72 hours in culture) one set of cultures was collected for LDH assay by freezing the samples at -20°C.
After 10 min of preincubation at 30°C, with or without inhibitors, 1 mM Tris-ATP was added and after an incubation for 2 min at 30°C the reaction was stopped by freezing the samples in liquid nitrogen.
After 3.5 min of stimulation, the reaction was stopped by quickly freezing the sample in a dry ice-methanol bath.
In our studies, the lactate was measured in whole blood samples in which all processes were immediately halted by precipitating all the proteins and freezing the sample in liquid nitrogen.
Reactions were terminated by flash freezing the samples twice in liquid nitrogen [30].
A final lyophilisation was performed by snap freezing the samples in liquid nitrogen which were then placed into a Heto LyoPro 6000 freeze drier until a dry powder was formed.
