Green synthesis of hypericin from Hypericum perforatum (St. John's Wort) for photodynamic Antibacterial treatment against Staphylococcus aureus and Escherichia coli. - Priyadarshini M; S K; P T; Murugesan S; S V; Nayak S; Roopan SM; Nambi Raj NA (Natural product research, 2026)