The enzyme-linked immunosorbent assay (ELISA) is a sensitive method to quantify or test for the presence of antigen or ligand. Enzyme-linked antibodies (or ligand binding proteins) are used to ...

Explaining the power of the play, she told the 200 women in attendance, sitting at tables decorated with chrysanthemums and autumn flowers, “In every human heart, acknowledged or unacknowledged, one ...