GO-Fe3O42121 Rhoden, C. R. B.; Bruckmann, F. S.; Salles, T. R.; Kaufmann Junior, C. G.; Mortari, S. R.; Journal of Water Process Engineering 2021, 43, 102262. [Crossref ] Crossref...
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Graphene oxide (GO) from graphite and decorated with nano-magnetite |
Hydrochlorothiazide with a 67.86% removal of the contaminant at pH 7.0 |
High specific area, hydrophilicity, thermal and chemical stability, high affinity by organic pollutants, easy to manipulate by external magnetic field |
Time-consuming synthesis, undesirable by-products as Mn species during GO synthesis |
Fe3O4@EUG2222 Bruckmann, F. S.; Viana, A. R.; Lopes, L. Q. S.; Santos, R. C. V. ; Muller, E. I.; Mortari, S. R.; Rhoden, C. R. B.; J. Inorg. Organomet. Polym. Mater. 2022, 32, 1459. [Crossref ] Crossref...
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Magnetite synthesis from a eugenol (EUG) aqueous solution |
Antibacterial:
S. aureus
P. aeruginosa
E. coli
E. faecalis
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Less toxicity than free eugenol in healthy cells; Biocompatibility |
Free eugenol showed better antimicrobial properties |
CT-Fe3O411 Bruckmann, F. S.; Viana, A. R.; Tonel, M. Z.; Fagan, S. B.; Garcia, W. J. S.; de Oliveira, A. H.; Dorneles, L. S.; Mortari, S. R.; da Silva, W. L.; da Silva, I. Z.; Rhoden, C. R. B.; Environ. Sci. Pollut. Res. 2022, 29, 70413. [Crossref ] Crossref...
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Chitosan (CT) decorated with MNPs |
Methotrexate (MTX) |
All the nanohybrids presented better MTX adsorption properties than magnetite or chitosan |
At pH 7 the CT-Fe3O4 1:1 was able to remove less than 30% of the MTX initial amount |
Fe3O4@OA2323 Masuku, M.; Ouma, L.; Pholosi, A.; Environ. Nanotechnol., Monit. Manage. 2021, 15, 100429. [Crossref ] Crossref...
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MNPs stabilized with oleic acid (OA) under microwave radiation |
Benzene |
Highest adsorption capacity at neutral pH (77.1 mg g−1); Improved adsorption properties than non-nanostructured OA |
It is necessary to use methanol to recover a significant part of the adsorbed benzene |
Fe3O4@PB2424 Mohammadzadeh, M.; Leiviskä, T.; Ind. Crops Prod. 2023, 195, 116491. [Crossref ] Crossref...
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MNPs stabilized with pine bark (PB) |
Levofloxacin
Trimethoprim
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Optimal adsorption of both pollutants at the 6.5-7.5 pH range;
The usage of pine bark is in favor of the circular economy
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Irregular size of MNPs from 1 nm to bulk;
A possible variation on the pine bark composition by chemical reaction prompted by MNPs
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HAP@CT@Fe3O42525 Nayak, A.; Bhushan, B.; Kotnala, S.; J. Hazard. Mater. Adv. 2023, 10, 100308. [Crossref ] Crossref...
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Hydroxyapatite (HAP) and chitosan (CT) as support of MNPs |
Deflazacort (DEF)
Ibuprofen (IBU)
Methylprednisolone (MET)
Norfloxacin (NOR)
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Adsorption is not pH dependent (except for NOR with the highest adsorption rate at pH 7) |
It is necessary to use a slightly acidic solution to achieve a high desorption rate;
Lack of material structure understanding as the magnetic behavior
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Fe3O4@PTh2626 Nematollahzadeh, A.; Babapoor, A.; Mousavi, S. M.; Nuri, A.; Mater. Chem. Phys. 2021, 262, 124266. [Crossref ] Crossref...
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Polythiophene (PTh) onto MNPs |
Nitrobenzene |
Higher adsorption capacity than other reported materials; The material showed stability after several recuse cycles (10) |
Some time-consuming previous synthesis steps of PTh |
Fe3O4@SiO2/PA(G1)-Mu
Fe3O4@SiO2/(G2)-Mu2727 Ekinci, S.; İlter, Z.; Ercan, S.; Çınar, E.; Çakmak, R.; Heliyon 2021, 7, e06600. [Crossref ] Crossref...
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The magnetite was modified with SiO2 and one and two generations (G) polyamidoamine (PA) dendrimers linked to murexide (Mu) |
Lead(II) |
Highest efficiency at pH 5 for both materials; Better performance than other reported materials |
Several steps synthesis leading to higher costs, time consuming and waste generation |
Fe3O4@HA2828 Ahmad, N.; Arsyad, F. S.; Royani, I.; Lesbani, A.; Results Chem. 2022, 4, 100629. [Crossref ] Crossref...
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Humic acid (HA) supported on MNPs |
Methylene blue |
High adsorption capacity of (161.290 mg g−1); The developed nanohybrids exhibited better adsorption performance than humic acid itself;
There were no significant structural changes on the material after the adsorption cycles
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No superparamagnetic material; Nano-size did not demonstrate |