Preparation of congo red functionalized core@double-shell magnetic Fe3O4@SiO2@MBH microsphere for removal of methylene blue and Cu(II) from aqueous solution

Guo, Rui-Feng; Liu, Zhi-Hong; Dong, Xian-Shu; Fan, Yu-Ping

doi:10.1016/j.jallcom.2024.173904

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.173904

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Preparation of congo red functionalized core@double-shell magnetic Fe3O4@SiO2@MBH microsphere for removal of methylene blue and Cu(II) from aqueous solution

Rui-Feng Guo,

Zhi-Hong Liu,

Xian-Shu Dong

et al.

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Cited by 2 publications

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Highly selective and effective copper removal from wastewater by magnetic precipitation separation

Ren,

Shao,

et al. 2025

Journal of Water Process Engineering

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Highly selective and effective copper removal from wastewater by magnetic precipitation separation

Ren,

Shao,

et al. 2025

Journal of Water Process Engineering

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Vortex-Mixing Microfluidic Fabrication of Micafungin-Loaded Magnetite–Salicylic Acid–Silica Nanocomposite with Sustained-Release Capacity

Mercan,

Niculescu,

Bîrcă

et al. 2024

Materials

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Iron oxide nanoparticles were synthesized using a vortex microfluidic system and subsequently functionalized with a primary shell of salicylic acid, recognized for its ability to increase the stability and biocompatibility of coated materials. In the second stage, the vortex platform was placed in a magnetic field to facilitate the growth and development of a porous silica shell. The selected drug for this study was micafungin, an antifungal agent well regarded for its effectiveness in combating fungal infections and identified as a priority compound by the World Health Organization (WHO). The resulting nanocomposite system was characterized using various techniques, including Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), transmission electron microscopy (TEM), dynamic light scattering (DLS), Brunauer–Emmett–Teller (BET) analysis, UV-Vis spectroscopy, and Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). The synthesis method produced nanoparticles with dimensions of 5–7 nm, highlighting the advantages of the chosen approach. A desorption profile was established using a continuous-flow, UV-Vis analysis system, indicating that the bioactive compound was released slowly; after two hours, approximately 50% of the loaded micafungin was detected in the release medium. Furthermore, the results obtained from the FT-ICR MS analysis provided molecular-level confirmation, thereby supporting the release mechanism of micafungin from the nanosystem.

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Preparation of congo red functionalized core@double-shell magnetic Fe3O4@SiO2@MBH microsphere for removal of methylene blue and Cu(II) from aqueous solution

Cited by 2 publications

References 48 publications

Highly selective and effective copper removal from wastewater by magnetic precipitation separation

Highly selective and effective copper removal from wastewater by magnetic precipitation separation

Vortex-Mixing Microfluidic Fabrication of Micafungin-Loaded Magnetite–Salicylic Acid–Silica Nanocomposite with Sustained-Release Capacity

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