Enzyme-linked immunosorbent assays (ELISAs) are commonly used in diagnostic and quality-control laboratories. During an ELISA, an unknown amount of antigen is immobilized to the surface of a microplate well and an enzyme-linked antibody is subsequently bound.

A new study reveals that a group of ancient enzymes adapted to substantial changes in ocean temperature and acidity during the last four billion years, providing evidence that life on Early Earth evolved from a much hotter...

The most recently discovered amino acid, pyrrolysine, is produced by a series of just three chemical reactions with a single precursor – the amino acid lysine, according to new research

The same menace that spreads malaria — the mosquito bite — could help wipe out the deadly disease, according to researchers working on a new vaccine at Tulane University.