Di-O-methylhonokiol (Honokiol dimethyl ether), a phenolic component of Magnolia grandiflora L, exhibits antimicrobial activity and significant antioxidant activity against Gram-positive and acid-resistant bacteria and fungi.

Gastrin I (human) (sulfated) is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development.

Gadopentetic acid (Gd-DTPA) is an paramagnetic contrast agent commonly implemented by a bolus intravenous injection (i.v.) in Dynamic contrast-enhanced MRI (DCE-MRI) studies.