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 ...

Well before a human receives the first dose of an experimental drug, it’s evaluated in an animal to test for toxicity. Monkeys are often chosen for their genetic similarities to humans, and safe ...

Genetic tests for Alzheimer’s can detect specific genes linked to the disease. In most cases, they can’t definitively confirm or predict a diagnosis, but they can provide insight into your relative ...

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, ...