KNOXVILLE, Tenn. — The drug Xylazine — known as "tranq" on the street- ranks among the top five deadliest drugs in East ...

Studies have shown that low-cost test strips detect the presence of fentanyl with a high degree of accuracy.

Melanoma testing could one day be done at home with a skin patch and test strip with two lines, similar to COVID-19 home tests, according to University of Michigan researchers.

After taking a sample, a simple-to-use, COVID-like test strip shows two lines if it detects signs of a melanoma.

The pregnancy-test–like tool—which works in only 10 minutes—is 500 percent more sensitive than current laboratory tests, ...

Shaanxi University researchers embedded naphthylimide fluorescent particles into ordinary filter paper to create a ...