{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12(30)"],"submitter":["Asgharinezhad AA"],"pubmed_abstract":["In this study, the application of Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@polypyrrole-polyaniline magnetic nanocomposite was studied for Ni(ii), Cd(ii), and Pb(ii) ions preconcentration extraction. In this regard, the silica layer prevents the Fe<sub>3</sub>O<sub>4</sub> nanoparticles (NPs) from aggregating over a broad pH range value and simultaneously improves chemical stability and hydrophilicity. By using a Box-Behnken design, the effect of various parameters affecting the preconcentration was studied. FAAS was employed to quantify the eluted analytes. The detection limits are 0.09, 1.1, and 0.3 ng mL<sup>-1</sup> for Ni(ii), Cd(ii) and Pb(ii), ions, respectively. The relative standard deviations (RSDs%) were calculated for determining the method's precision, lower than 7.5%. The capacities of sorption are 75, 84, and 98 mg g<sup>-1</sup>, respectively. With the usage of a certified reference material, the developed method was validated. After that, the validated method was employed to rapidly extract trace target ions from food samples and gave satisfactory results."],"journal":["RSC advances"],"pagination":["19108-19114"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9244641"],"repository":["biostudies-literature"],"pubmed_title":["Extraction and preconcentration of Ni(ii), Pb(ii), and Cd(ii) ions using a nanocomposite of the type Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@polypyrrole-polyaniline."],"pmcid":["PMC9244641"],"pubmed_authors":["Asgharinezhad AA","Siavoshani AY","Esmaeilpour M"],"additional_accession":[]},"is_claimable":false,"name":"Extraction and preconcentration of Ni(ii), Pb(ii), and Cd(ii) ions using a nanocomposite of the type Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@polypyrrole-polyaniline.","description":"In this study, the application of Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@polypyrrole-polyaniline magnetic nanocomposite was studied for Ni(ii), Cd(ii), and Pb(ii) ions preconcentration extraction. In this regard, the silica layer prevents the Fe<sub>3</sub>O<sub>4</sub> nanoparticles (NPs) from aggregating over a broad pH range value and simultaneously improves chemical stability and hydrophilicity. By using a Box-Behnken design, the effect of various parameters affecting the preconcentration was studied. FAAS was employed to quantify the eluted analytes. The detection limits are 0.09, 1.1, and 0.3 ng mL<sup>-1</sup> for Ni(ii), Cd(ii) and Pb(ii), ions, respectively. The relative standard deviations (RSDs%) were calculated for determining the method's precision, lower than 7.5%. The capacities of sorption are 75, 84, and 98 mg g<sup>-1</sup>, respectively. With the usage of a certified reference material, the developed method was validated. After that, the validated method was employed to rapidly extract trace target ions from food samples and gave satisfactory results.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Jun","modification":"2025-04-05T14:26:08.683Z","creation":"2025-04-05T14:26:08.683Z"},"accession":"S-EPMC9244641","cross_references":{"pubmed":["35865601"],"doi":["10.1039/d2ra03077b"]}}