The separation of whole or fragmented molecules, such as nucleic acids, through an electrically charged gel. The smaller the molecule,...

A chemical electrode whose cell potential remains fixed and against which an indicator electrode is compared. The most common reference...

In chemistry, a chemical sensor that uses a glass membrane, as opposed to one that uses an organic or solid-state...

An electrode in which a gas-permeable membrane separates the test solution from an aqueous electrode solution in contact with an...

Electricity generated by chemical action.  

The chronic accumulation of a viscous exudate in the middle ear, occurring principally in children who are 5 to 8...

Dyspepsia caused by faulty function of the stomach and intestines.  

Dyspepsia caused by faulty stomach function (e.g., delayed gastric emptying in patients with diabetes mellitus).  

A congenital endocrine disorder caused by failure of the ovaries to respond to pituitary hormone (gonadotropin) stimulation. Clinically there is...

In politics, sociology, and psychology, the study of the interactions of people who are members of a common class or...