Chemistry

Spectroscopy is one of the most important tools that an astronomer has for studying the universe. Astronomical spectroscopy is the science of using spectroscopy to…

Time-domain spectroscopy is a type of spectroscopy that measures the power of electromagnetic radiation as a function of time. It is a tool for collecting…

Auger electron spectroscopy is a way of telling what chemical elements are at the surface of an object. It is based on the Auger effect—a…

Spectroscopy is the study of light as a function of the length of the wave that has been emitted, reflected or shone through a solid,…

The term “computational chemistry” is used to mean many different things. Computational chemistry is a branch of chemistry that uses computer science to help solve…

Electron configurations are a simple way of writing down the locations of all of the electrons in an atom. It is the arrangement of electrons…

ELISPOT stands for “Enzyme-Linked Immunosorbent Spot Assay”. It is a laboratory technique for detecting cells that make (or “secrete”) various substances. These substances include specific…

The ELISA method (Enzyme-Linked Immuno-Sorbent Assay) is a technique used in biochemistry to determine if a certain substance–such as a specific cytokine or antigen–is present…

A chemical element is a substance that contains only one type of atom. Elements are the fundamental materials of which all matter is composed. If…

Electroplating is the coating of an object with a metal. It is done by immersing the object and a bar of the metal in a…

Electrolysis is a scientific way of ‘splitting’ substances. It is a way of separating a compound by passing an electric current through it; the products are…

Electrophysiology is the study of the electrical properties of biological cells and tissues. It involves measurements of voltage change or electrical current flow on a…