Many useful chemicals and chemical processes involve hydroxides or hydroxide ions.

I can make a few useful chemicals.

In biotechnology, living organisms are used to make useful chemicals and products or to perform an industrial task.

In a human pharmaceutical factory the synthesis of a useful chemical needs a production line.

Cell walls perhaps arose as a device to keep useful chemicals together and stop them leaking away.

In 1982, he led a team that found a relatively cheap, natural process to increase the output of useful chemicals produced by gene-splicing.

The technology has been crucial to the development of new drugs, pesticides and other useful chemicals.

An example is the designing of an organism to produce a useful chemical.

Bleach is a very useful chemical both around the house and for large-scale use.

These methods are used today to manufacture a wide variety of useful chemicals such as pharmaceuticals or commercial polymers.