Autor: Henry J. Ulrich

A macrocycle is, as defined by IUPAC, "a cyclic macromolecule or a macromolecular cyclic portion of a molecule. In the chemical literature, organic chemists may consider any molecule containing …

Biometrics refers to methods for uniquely recognizing humans based upon one or more intrinsic physical or behavioral traits. In information technology in particular, biometrics is used as a form of i …