UCLA Health announced Monday it has initiated COVID-19 testing for all patients coming to its hospitals and some outpatient clinics for scheduled surgeries, procedures and emergency department ...

The Izod impact test fixes one end of a notched specimen in a cantilever position by means of a vice. A striker on the arm of a pendulum or similar energy carrier then strikes the specimen. The energy ...

The Hughson-Westlake method is based on the principle that short-tone burst are better heard against a silent background than a continuous tone separated by a short interval when the level is changing ...

Quantitative fit testing is the preferred testing method. The ambient aerosol condensation nuclei counting (CNC) method, using a Portacount® Plus instrument, has been selected as the quantitative fit ...

Chiron Corp. said yesterday it has received U.S. Food & Drug Administration approval to commercialize a new and more sensitive test to screen donated blood for HIV and hepatitis C. Chiron shares rose ...

A platelet aggregation test checks how well your platelets clump together to form blood clots. Platelets are a type of blood cell. They help form blood clots by sticking together. A clot is what stops ...

A urine 24-hour volume test measures how much urine you produce in a day. It can be a helpful way to evaluate kidney function. The urine 24-hour volume test measures the amount of urine your body ...