Bioassay

What is not poisonous:

everything is a poison

and nothing is inert.

The dose alone decides whether a thing is a poison or not

Paracelsus (1494-1541)

Modern society produces countless biological active compounds. We need to make sure they are working as intended without unintentionally site effects that are harming the environment.

Nonlinear dose-response curves are the rule when dose-ranges are wide