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Tianxi Yang, Xiaoyu Guo, Hui Wang, Shuyue Fu, Jie Yu, Ying Wen and Haifeng Yang Au Dotted Magnetic Network Nanostructure and Its Application for On-Site Monitoring Femtomolar Level Pesticide Small 10

Article first published online: 16 OCT 2013 | DOI: 10.1002/smll.201302604

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A nanocomposite is prepared by Au nanoparticles dotted onto the surface of Fe3O4 magnetic network nanostructure with the help of an environmentally friendly reagent of inositol hexakisphosphate. The nanocomposite shows sufficient enrichment of chemical species, separation, and Raman analysis of femtomolar level pesticide residues by an external magnetic collection with a portable Raman system.

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