MnO2-Modified Carboxylated Graphene Oxide Nanocomposite for the Effective Extraction of Organochlorine Pesticides from Environmental Water SamplesMnO2修饰的羧基化氧化石墨烯纳米复合材料用于从环境水样中有效提取有机氯农药Nanomaterials 2025, Vol. 15, Page 1757IF4.32025-11-230OAAI