Biological activity refers to the measurable effect that a substance, most often a chemical compound or natural extract, exerts on a living system, tissue, cell, or biomolecule. In pharmacology, medicinal chemistry, and natural-product research it is the central property linking molecular structure to physiological …
Biological activity refers to the measurable effect that a substance, most often a chemical compound or natural extract, exerts on a living system, tissue, cell, or biomolecule. In pharmacology, medicinal chemistry, and natural-product research it is the central property linking molecular structure to physiological consequence, and it is quantified through assays of potency, efficacy, and selectivity. Common categories include cytotoxic activity against cancer cells, antioxidant capacity that neutralizes reactive species, antimicrobial and anti-inflammatory effects, and analgesic action, each evaluated with defined experimental endpoints. A compound's biological activity is governed by structure-activity relationships, whereby specific functional groups, electronic properties, and three-dimensional shape determine how a molecule binds and modulates its target; computational methods such as molecular docking and spectroscopic and quantum-chemical characterization help rationalize and predict these interactions. Investigation typically proceeds from the synthesis or extraction of candidate molecules, through in vitro assays of phenolic, flavonoid, and antioxidant content or selective cytotoxicity, toward design of agents for therapeutic development. Plant-derived and synthetic heterocyclic compounds are frequent subjects, screened for activities relevant to disease. Determining biological activity is essential to drug discovery, the assessment of dietary and natural antioxidants, and the rational design of bioactive materials.
11 peer-reviewed articles, ranked by relevance. Each links to its DOI.
The 11 articles above have been cited 84 times in the scholarly literature. Citation data via OpenAlex and Crossref, updated Jun 2026.
A sample of recent works citing this journal's research on Biological Activity, linking to each citing work.