1xMicrotiter test plate; 1 vial x Enzyme conjugate; 1 vial x STANDARD A; 1 vial x STANDARD B; 1 vial x STANDARD C; 1 vial x STANDARD D; 1 vial x STANDARD E; 1 vial x STANDARD F; 1 vial x SUBSTRATE A; 1 vial x SUBSTRATE B; 1 vial x Stop solution; 1 vial x Wash solution (100x); 1 vial x Balance solution; 1 x protocol
The receptors are ligand binding factors of type 1, 2 or 3 and protein-molecules that receive chemical-signals from outside a cell. When such chemical-signals couple or bind to a receptor, they cause some form of cellular/tissue-response, e.g. a change in the electrical-activity of a cell. In this sense, am olfactory receptor is a protein-molecule that recognizes and responds to endogenous-chemical signals, chemokinesor cytokines e.g. an acetylcholine-receptor recognizes and responds to its endogenous-ligand, acetylcholine. However, sometimes in pharmacology, the term is also used to include other proteins that are drug-targets, such as enzymes, transporters and ion-channels.