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ECB-ART-42888
Nanoscale 2013 Jul 07;513:5887-95. doi: 10.1039/c3nr01273e.
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Sea-urchin-like Fe3O4@C@Ag particles: an efficient SERS substrate for detection of organic pollutants.

Ye Y , Chen J , Ding Q , Lin D , Dong R , Yang L , Liu J .


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Ag-coated sea-urchin-like Fe3O4@C core-shell particles can be synthesized by a facile one-step solvothermal method, followed by deposition of high-density Ag nanoparticles onto the carbon surface through an in situ growth process, respectively. The as-synthesized Ag-coated Fe3O4@C particles can be used as a surface-enhanced Raman scattering (SERS) substrate holding reproducible properties under an external magnetic force. The magnetic function of the particles allows concentrating the composite particles into small spatial regions, which can be exploited to decrease the amount of material per analysis while improving its SERS detection limit. In contrast to the traditional SERS substrates, the present Fe3O4@C@Ag particles hold the advantages of enrichment of organic pollutants for improving SERS detection limit and recycled utilization.

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Genes referenced: LOC100887844