Magnetic nanoparticles fabricated/integrated with microfluidics for biological applications: A review

Toudeshkchouei, Mahtab Ghasemi; Abdoos, Hassan

doi:10.1007/s10544-023-00693-9

Biomed Microdevices

2024

DOI: 10.1007/s10544-023-00693-9

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Magnetic nanoparticles fabricated/integrated with microfluidics for biological applications: A review

Mahtab Ghasemi Toudeshkchouei,

Hassan Abdoos

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Effect of divalent ion of strontium substitution on the structural, optical, magnetic and blood compatibility studies in cobalt ferrite

Ergin,

Özçelik,

İçin

et al. 2024

Phys. Scr.

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This study investigates the effects of Sr2+ substitution on the structural, morphological, and magnetic properties of magnetic cobalt ferrite (CoFe2O4). Through sol-gel auto-combustion synthesis, Sr2+ was substituted into Co-spinel ferrites (Co1 xSrxFe2O4, where x=0.0, 0.25, 0.5, 0.75, 1.0). SEM analysis revealed spherical grains with an average size of 54.4 nm. XRD analysis indicated systematic changes in crystallographic parameters and the formation of secondary phases with Sr-substitution. While the crystal size for CoFe2O4 was calculated as 262 nm, this value was determined as 18 nm for Co0.25Sr0.75Fe2O4. FT-IR results suggested increased force constants of octahedral and tetrahedral bonds with higher Sr content, with main vibration bands at 423.6 and 606 cm-1. M-H curves exhibited S-shaped behavior, indicating drastic magnetic property changes with Sr2+ substitution. Coercivity field (Hc), saturation magnetization (MS), and remanent magnetization (Mr) values ranged from 1447.8-545.4 Oe, 58.8-14 emu/g, and 36.8-7.6 emu/g, respectively. Blood compatibility experiments highlighted Co0.75Sr0.25Fe2O4 nanoparticles with significantly low hemolysis rates compared to other concentrations.

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Effect of divalent ion of strontium substitution on the structural, optical, magnetic and blood compatibility studies in cobalt ferrite

Ergin,

Özçelik,

İçin

et al. 2024

Phys. Scr.

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show abstract

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Magnetic nanoparticles fabricated/integrated with microfluidics for biological applications: A review

Cited by 1 publication

References 92 publications

Effect of divalent ion of strontium substitution on the structural, optical, magnetic and blood compatibility studies in cobalt ferrite

Effect of divalent ion of strontium substitution on the structural, optical, magnetic and blood compatibility studies in cobalt ferrite

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