A no template negative control was set up in all experiments.

To continue with the example of drug testing, a negative control is a group that has not been administered the drug.

A negative control is known to give a negative result.

And how far can negative controls succeed in raising public standards?

As a negative control, the primary antibody was omitted from the reaction.

Normal rabbit serum was used at 1:200 as a negative control.

There are three exceptions to this general definition of negative control.

Two experiments were carried out to serve as negative controls.

A construct lacking a promoter (-20bp) was used as negative control.

W303 cells treated in the same manner were used as a negative control.