Cell death was evaluated by measuring the levels of lactate dehydrogenase (LDH) within culture supernatants (n = 4).
Lipid peroxidation was assessed by measuring the levels of malondialdehyde with the OxiSelect TBARS Assay Kit (Cell Biolabs).
Endogenous lipid peroxidation was assessed by measuring the levels of malondialdehyde (MDA) in heart homogenates.
E06 is a natural antibody that recognizes specific components of Ox-PAPC, and provides a well validated means of measuring the levels of these oxidized phospholipids20.
He and colleague Jimmy T. Keeton have what they think is a better idea: Detect the germs indirectly by measuring the levels of specific meat proteins after cooking.
Measuring the levels of the stress hormone cortisol in infants found that poverty, and the amount of time spent in poverty, can hamper the mental development of children.
Therefore, by measuring the levels of those 300 genes in similar cells, scientists should be able to estimate the ages of those cells.
Yet measuring the levels of nitrous oxide in a field is difficult because today's sensors are the size of refrigerators and consume large amounts of power.
The progress of bioremediation was monitored by measuring the levels of atrazine and its intermediate, cyanuric acid.
In parallel, we used five psychological tests, approved and standardized measuring the levels of attention in laboratory settings.
The researchers looked at more than 300 households where there were smokers living with infants, asking parents what they did to limit their children's exposure and measuring the levels of cotinine in the babies' urine.
