Three different testing procedures which involve a minimum of modification of the usual single sample tests of the hypotheses considered are given here. Tests are made by taking samples at two stages ...

Clinical trials are often concerned with the comparison of two treatment groups with multiple endpoints. As alternatives to the commonly used methods, the T 2 test and the Bonferroni method, O'Brien ...

A stool test is a diagnostic procedure that involves analyzing fecal matter, or poop, to check for signs of infection, inflammation, or disease. The specific analysis depends on a person’s symptoms ...

Chorionic villus sampling (CVS) is a prenatal test used to detect birth defects, genetic diseases, and other problems during pregnancy. During the test, a small sample of cells (called chorionic villi ...

Figure 1: Schematic illustration of a TIS. Isopentane is harmful to health, highly flammable and hazardous to the environment. Work with gloves and do not inhale it. 4% (wt/vol) PFA solution Dissolve ...

There are a multitude of available test procedures and methods for water and wastewater treatment operators. They range from colorimetric, titrimetric, electrometric (meter & probe), turbimetric, ...

Saliva tests: Earlier this month, an alternative form of COVID-19 diagnostic testing was approved by the US’ Food and Drug Administration (FDA). This testing method processes saliva samples and the ...