Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of Toxicity
In the present work, superparamagnetic adsorbents based on 3-aminopropyltrimethoxy silane (APTMS)-coated maghemite (γFe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>–NH<sub>2</sub>) and cobalt ferrite (CoFe<sub>2</sub>O<sub>4</sub>@S...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-06-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/24/12/10072 |
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| author | A. F. P. Allwin Mabes Raj Maja Bauman Nena Dimitrušev Lamiaa M. A. Ali Mélanie Onofre Magali Gary-Bobo Jean-Olivier Durand Aleksandra Lobnik Aljoša Košak |
| author_facet | A. F. P. Allwin Mabes Raj Maja Bauman Nena Dimitrušev Lamiaa M. A. Ali Mélanie Onofre Magali Gary-Bobo Jean-Olivier Durand Aleksandra Lobnik Aljoša Košak |
| author_sort | A. F. P. Allwin Mabes Raj |
| collection | DOAJ |
| description | In the present work, superparamagnetic adsorbents based on 3-aminopropyltrimethoxy silane (APTMS)-coated maghemite (γFe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>–NH<sub>2</sub>) and cobalt ferrite (CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub>–NH<sub>2</sub>) nanoparticles were prepared and characterized using transmission-electron microscopy (TEM/HRTEM/EDXS), Fourier-transform infrared spectroscopy (FTIR), specific surface-area measurements (BET), zeta potential (ζ) measurements, thermogravimetric analysis (TGA), and magnetometry (VSM). The adsorption of Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup> ions onto adsorbent surfaces in model salt solutions was tested. The adsorption was evaluated in terms of adsorption efficiency (%), adsorption capacity (mg/g), and desorption efficiency (%) based on the results of inductively coupled plasma optical emission spectrometry (ICP-OES). Both adsorbents, γFe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>–NH<sub>2</sub> and CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub>–NH<sub>2</sub>, showed high adsorption efficiency toward Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup> ions, ranging from 83% to 98%, while the adsorption capacity reached the following values of Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup>, in descending order: Tb (4.7 mg/g) > Dy (4.0 mg/g) > Hg (2.1 mg/g) for γFe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>–NH<sub>2</sub>; and Tb (6.2 mg/g) > Dy (4.7 mg/g) > Hg (1.2 mg/g) for CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub>–NH<sub>2</sub>. The results of the desorption with 100% of the desorbed Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup> ions in an acidic medium indicated the reusability of both adsorbents. A cytotoxicity assessment of the adsorbents on human-skeletal-muscle derived cells (SKMDCs), human fibroblasts, murine macrophage cells (RAW264.7), and human-umbilical-vein endothelial cells (HUVECs) was conducted. The survival, mortality, and hatching percentages of zebrafish embryos were monitored. All the nanoparticles showed no toxicity in the zebrafish embryos until 96 hpf, even at a high concentration of 500 mg/L. |
| first_indexed | 2024-03-11T02:21:57Z |
| format | Article |
| id | doaj.art-f02347041cd845b0921fbce808de653f |
| institution | Directory Open Access Journal |
| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-11T02:21:57Z |
| publishDate | 2023-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-f02347041cd845b0921fbce808de653f2023-11-18T10:48:11ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-06-0124121007210.3390/ijms241210072Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of ToxicityA. F. P. Allwin Mabes Raj0Maja Bauman1Nena Dimitrušev2Lamiaa M. A. Ali3Mélanie Onofre4Magali Gary-Bobo5Jean-Olivier Durand6Aleksandra Lobnik7Aljoša Košak8Jožef Stefan International Postgraduate School, Jamova 39, 1000 Ljubljana, SloveniaInstitute for Environmental Protection and Sensors (IOS) Ltd., Beloruska 7, 2000 Maribor, SloveniaInstitute for Environmental Protection and Sensors (IOS) Ltd., Beloruska 7, 2000 Maribor, SloveniaIBMM, Univ Montpellier, CNRS, ENSCM, 34293 Montpellier, FranceIBMM, Univ Montpellier, CNRS, ENSCM, 34293 Montpellier, FranceIBMM, Univ Montpellier, CNRS, ENSCM, 34293 Montpellier, FranceICGM, Univ Montpellier, CNRS, ENSCM, 34293 Montpellier, FranceInstitute for Environmental Protection and Sensors (IOS) Ltd., Beloruska 7, 2000 Maribor, SloveniaFaculty for Mechanical Engineering, University of Maribor, Smetanova 17, 2000 Maribor, SloveniaIn the present work, superparamagnetic adsorbents based on 3-aminopropyltrimethoxy silane (APTMS)-coated maghemite (γFe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>–NH<sub>2</sub>) and cobalt ferrite (CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub>–NH<sub>2</sub>) nanoparticles were prepared and characterized using transmission-electron microscopy (TEM/HRTEM/EDXS), Fourier-transform infrared spectroscopy (FTIR), specific surface-area measurements (BET), zeta potential (ζ) measurements, thermogravimetric analysis (TGA), and magnetometry (VSM). The adsorption of Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup> ions onto adsorbent surfaces in model salt solutions was tested. The adsorption was evaluated in terms of adsorption efficiency (%), adsorption capacity (mg/g), and desorption efficiency (%) based on the results of inductively coupled plasma optical emission spectrometry (ICP-OES). Both adsorbents, γFe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>–NH<sub>2</sub> and CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub>–NH<sub>2</sub>, showed high adsorption efficiency toward Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup> ions, ranging from 83% to 98%, while the adsorption capacity reached the following values of Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup>, in descending order: Tb (4.7 mg/g) > Dy (4.0 mg/g) > Hg (2.1 mg/g) for γFe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>–NH<sub>2</sub>; and Tb (6.2 mg/g) > Dy (4.7 mg/g) > Hg (1.2 mg/g) for CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub>–NH<sub>2</sub>. The results of the desorption with 100% of the desorbed Dy<sup>3+</sup>, Tb<sup>3+</sup>, and Hg<sup>2+</sup> ions in an acidic medium indicated the reusability of both adsorbents. A cytotoxicity assessment of the adsorbents on human-skeletal-muscle derived cells (SKMDCs), human fibroblasts, murine macrophage cells (RAW264.7), and human-umbilical-vein endothelial cells (HUVECs) was conducted. The survival, mortality, and hatching percentages of zebrafish embryos were monitored. All the nanoparticles showed no toxicity in the zebrafish embryos until 96 hpf, even at a high concentration of 500 mg/L.https://www.mdpi.com/1422-0067/24/12/10072nanomaterialsiron oxidesmaghemitecobalt ferriteadsorptiontransition metals |
| spellingShingle | A. F. P. Allwin Mabes Raj Maja Bauman Nena Dimitrušev Lamiaa M. A. Ali Mélanie Onofre Magali Gary-Bobo Jean-Olivier Durand Aleksandra Lobnik Aljoša Košak Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of Toxicity International Journal of Molecular Sciences nanomaterials iron oxides maghemite cobalt ferrite adsorption transition metals |
| title | Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of Toxicity |
| title_full | Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of Toxicity |
| title_fullStr | Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of Toxicity |
| title_full_unstemmed | Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of Toxicity |
| title_short | Superparamagnetic Spinel-Ferrite Nano-Adsorbents Adapted for Hg<sup>2+</sup>, Dy<sup>3+</sup>, Tb<sup>3+</sup> Removal/Recycling: Synthesis, Characterization, and Assessment of Toxicity |
| title_sort | superparamagnetic spinel ferrite nano adsorbents adapted for hg sup 2 sup dy sup 3 sup tb sup 3 sup removal recycling synthesis characterization and assessment of toxicity |
| topic | nanomaterials iron oxides maghemite cobalt ferrite adsorption transition metals |
| url | https://www.mdpi.com/1422-0067/24/12/10072 |
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