▎ 摘　　要

NOVELTY - Graphene oxide-silver nanocomposite material comprises cysteine-coated silver nanoparticles immobilized on graphene oxide. USE - The nanocomposite material is useful for providing antibacterial activity (claimed). ADVANTAGE - The nanocomposite material has small size, narrow distribution, high loading efficiency, tight binding with a substrate and excellent dispersibility in water.