{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Hong Y"],"funding":["Korea Basic Science Institute","National Research Foundation of Korea"],"pagination":["1089-1097"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9077014"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["8(2)"],"pubmed_abstract":["Highly stable and magnetically separable mesoporous silica nanospheres (MSNs) embedded with 4.6 ± 0.8 nm FeCo/graphitic carbon shell nanocrystals (FeCo/GC NCs@MSNs) were synthesized by thermal decomposition of metal precursors in MSNs and subsequent methane CVD. The FeCo/GC NCs@MSNs had a high specific surface area (442 m<sup>2</sup> g<sup>-1</sup>), large pore volume (0.65 cm<sup>3</sup> g<sup>-1</sup>), and tunable size (65 nm, 130 nm, and 270 nm). Despite the low magnetic metal content (8.35 wt%), the FeCo/GC NCs@MSNs had a sufficiently high saturation magnetization (17.1 emu g<sup>-1</sup>). This is due to the superior magnetic properties of the FeCo/GC NCs, which also enable fast magnetic separation of the nanospheres. The graphitic carbon shell on the FeCo NCs not only protects the alloy core against oxidation and acid etching in 35% HCl<sub>(aq)</sub>, but also facilitates non-covalent, hydrophobic interactions with the hydrocarbon chains of organic dyes such as methyl orange and methylene blue. Surface functionalization of the FeCo/GC NCs@MSNs with thiol groups provides efficient capacity for binding with Hg<sup>2+</sup> ions. We have shown that the thiol-functionalized FeCo/GC NCs@MSNs (FeCo/GC NCs@MSNs-SH) work as multifunctional adsorbents for organic dyes (target organic pollutants) and Hg<sup>2+</sup> ions (target inorganic pollutant). We also demonstrated that the FeCo/GC NCs@MSNs-SH are excellent recyclable adsorbents for methyl orange."],"journal":["RSC advances"],"pubmed_title":["Highly stable mesoporous silica nanospheres embedded with FeCo/graphitic shell nanocrystals as magnetically recyclable multifunctional adsorbents for wastewater treatment."],"pmcid":["PMC9077014"],"funding_grant_id":["D37614","NRF-2017R1D1A1B03031892","NRF-2017R1E1A1A01074224"],"pubmed_authors":["Kim DJ","Hong Y","Nam KM","Seo WS","Choi IA","Pal M","Lee G"],"additional_accession":[]},"is_claimable":false,"name":"Highly stable mesoporous silica nanospheres embedded with FeCo/graphitic shell nanocrystals as magnetically recyclable multifunctional adsorbents for wastewater treatment.","description":"Highly stable and magnetically separable mesoporous silica nanospheres (MSNs) embedded with 4.6 ± 0.8 nm FeCo/graphitic carbon shell nanocrystals (FeCo/GC NCs@MSNs) were synthesized by thermal decomposition of metal precursors in MSNs and subsequent methane CVD. The FeCo/GC NCs@MSNs had a high specific surface area (442 m<sup>2</sup> g<sup>-1</sup>), large pore volume (0.65 cm<sup>3</sup> g<sup>-1</sup>), and tunable size (65 nm, 130 nm, and 270 nm). Despite the low magnetic metal content (8.35 wt%), the FeCo/GC NCs@MSNs had a sufficiently high saturation magnetization (17.1 emu g<sup>-1</sup>). This is due to the superior magnetic properties of the FeCo/GC NCs, which also enable fast magnetic separation of the nanospheres. The graphitic carbon shell on the FeCo NCs not only protects the alloy core against oxidation and acid etching in 35% HCl<sub>(aq)</sub>, but also facilitates non-covalent, hydrophobic interactions with the hydrocarbon chains of organic dyes such as methyl orange and methylene blue. Surface functionalization of the FeCo/GC NCs@MSNs with thiol groups provides efficient capacity for binding with Hg<sup>2+</sup> ions. We have shown that the thiol-functionalized FeCo/GC NCs@MSNs (FeCo/GC NCs@MSNs-SH) work as multifunctional adsorbents for organic dyes (target organic pollutants) and Hg<sup>2+</sup> ions (target inorganic pollutant). We also demonstrated that the FeCo/GC NCs@MSNs-SH are excellent recyclable adsorbents for methyl orange.","dates":{"release":"2018-01-01T00:00:00Z","publication":"2018 Jan","modification":"2025-04-19T09:21:12.808Z","creation":"2025-02-19T03:25:47.382Z"},"accession":"S-EPMC9077014","cross_references":{"pubmed":["35538962"],"doi":["10.1039/c7ra12240c"]}}