国家/地区
IPC部 C（2）
IPC大类 C01（2） C12（2）
IPC小类 C01B（2）
IPC C01B033/12（2）
发明人
公开年 2017（2）
申请年
专利权人

Preparing graphene oxide modified magnetic bead involves sulfonating porous polystyrene-di-vinyl benzene beads to obtain sulfonated beads, which are adsorb and selected from ferrous salts, ferric salts or mixtures, and magnetizing.

JUN B H, KIM D E, BAEK A R, XUAN H P, KIM T H

Silica-based composite magnetic microspheres used for DNA extraction, are obtained by coating silica layer of specified thickness on surface of graphene-coated nano-magnetic particle composite material having graphene shells.

WANG M, LU T, WANG Q, LI Y, ZHENG D, ZHANG T, FENG T