Receptor: 1. In cell biology, a structure on the surface of a cell (or inside a cell) that selectively receives and binds a specific substance. There are many receptors.
The most common is EPNS (Electro Plated Nickel Silver) but many other symbols are used: 1  EPBM (Electro Plated Britannia Metal). 2  EPCA (Electro Plated Copper Alloy). 3  ESM (Electro Plated Silver Mounts).he most common is EPNS (Electro Plated Nickel Silver) but many other symbols are used: 1  EPBM (Electro Plated Britannia Metal). 2  EPCA (Electro Plated Copper Alloy). 3  ESM (Electro Plated Silver Mounts).
Hi, Varun. EPNS means electroplated nickel-silver. Nickel silver is also sometimes called german silver. It has nickel and copper in it, and sometimes zinc (although that might be inappropriate for food service) but no silver in it.But there is no one single formulation for nickel silver.i, Varun. EPNS means electroplated nickel-silver. Nickel silver is also sometimes called german silver. It has nickel and copper in it, and sometimes zinc (although that might be inappropriate for food service) but no silver in it. But there is no one single formulation for nickel silver.