Billions of years ago, the molecular building blocks of life emerged from a complex web of chemical and geological processes.

Chemically, an amino acid is a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the α carbon. Each of the 20 amino acids has a specific ...

Diagram showing the functionalization of a metal oxide nanoparticle with various organic molecules, including trimethoxysilane, amine, phosphonic acid, carboxylic acid, dopamine, and cysteine. This ...