Basic Science The esterase method of detecting leukocytes in a urine sample relies on the fact that esterases are released from lysed urine granulocytes (neutrophils). In the dipstick method ...

One hour post-dose, urine samples assayed with the Syva RapidTest and Genix RapidTech were positive. Confirmatory GC–MS was negative for opiate use. Both of these immunoassays are one-step ...

That’s because there’s nothing to trap these substances underneath the skin. Sweat and urine contain high levels of sodium. The sodium left behind on your skin after sweat or urine dries can ...

Previous studies have found viral RNA in the urine of people with COVID-19, although this does not always correlate to symptoms. It may be that the virus directly infects the urinary tract ...

Acceptable levels may vary depending on the lab that processes your sample. Refer to your lab for the most precise information. Once collected, ammonia levels in the blood can increase quickly.

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Jake & Jordan break down the drama from the wild mid-week Mets vs. Red Sox series. Plus, the guys check-in on who is in the lead for the end of season awards as we near the one-third mark of the year ...