Το λεξιλόγιο αποτελεί παραλλαγή του λεξιλογίου «Θεματικές Επιστημονικών Πεδίων ΕΚΤ», ειδικά διαμορφωμένη για την κατηγοριοποίηση των τεκμηρίων του OpenArchives.gr
isi - Biochemistry & Molecular Biology covers resources on general biochemistry and molecular biology topics such as carbohydrates, lipids, proteins, nucleic acids, genes, drugs, toxic substances, and other chemical or molecular constituents of cells, microbes, and higher plants and animals, including humans. Excluded are resources that are focus on biochemistry in cells, tissues or organs and those whose primary focus is the organism of study, e.g. plants, microbes, etc. Excluded, also, are resources that focus on methods in biochemistry or molecular biology.