Johnson and Johnson (NYSE:JNJ) announced today that its Janssen subsidiary has started the process of applying to the U.S. Food and Drug Administration (FDA) to have daratumumab approved as a new treatment for relapsed multiple myeloma.
What m and M Mean in Chemistry. Both m and M are units of the concentration of a chemical solution. The lower case m indicates molality, which is calculated using moles of solute per kilograms of solvent. A solution using these units is called a molal solution (e.g., 0,1 m NaOH is a 0.1 molal solution of sodium hydroxide).
n, pl -tries. 1. (Chemistry) the branch of physical science concerned with the composition, properties, and reactions of substances. See also inorganic chemistry, organic chemistry, physical chemistry. 2. (Chemistry) the composition, properties, and reactions of a particular substance. 3. the nature and effects of any complex phenomenon: the chemistry of humour. 4. informal a reaction, taken to be instinctual, between two persons.