“…These values (see Table 3) confirm the superparamagnetic nature of Zn 0.5 Co 0.5-x Ag 2x Fe 2 O 4 (x = 0.10, 0.20, and 0.30) NPs samples [60,71]. Similar behavior was observed in many research [44,72]. M.K.…”
Magnetic spinel ferrite nanoparticles possess high scientific attention for the researchers attributed to its broad area for biomedicine purposes, comprising cancer magnetic hyperthermia and targeted drug delivery. Herein, we report the ultrasound irritation assisted the sol-gel method for the spinel Zn 0.5 Co 0.5x Ag 2x Fe 2 O 4 (x = 0.00, 0.10, 0.20, and 0.30) nanoparticles (NPs) synthesis. The Rietveld refinement patterns revealed the successful synthesis of the cubic structure Zn 0.5 Co 0.5-x Ag 2x Fe 2 O 4 and the crystallite size ranged from 14.1 nm to 18.4 nm. Also, the optical band gap decreased from 2.39 eV for Co-Zn ferrite to 2.20 eV for Zn 0.5 Co 0.2 Ag 0.6 Fe 2 O 4 sample. Electron paramagnetic resonance spectroscopy was used to study ferromagnetic resonance characteristics of the Zn 0.5 Co 0.5-x Ag 2x Fe 2 O 4 samples. The resonance field was increased from 2512.2 Gauss for Co-Zn ferrite sample to 2834.8 Gauss for Zn 0.5 Co 0.2 Ag 0.6 Fe 2 O 4 sample, while the line width decreased from 2401.3 to 1990.1 Gauss. Also, the saturation was reduced from 45.68 emu.g -1 for the pristine Zn 0.5 Co 0.5 Fe 2 O 4 sample to 22.20 emu.g -1 for Zn 0.5 Co 0.2 Ag 0.6 Fe 2 O 4 sample. Furthermore, cytotoxicity of Zn 0.5-Co 0.2 Ag 0.6 Fe 2 O 4 NPs against human breast cancer MCF-7, HepG2 liver cancer, and LoVo colorectal cancer cells was examined. The cytotoxicity of Zn 0.5 Co 0.2-Ag 0.6 Fe 2 O 4 on the previous cancer cell lines resulted in inhibition of cell growth estimated by MTT assay.
“…These values (see Table 3) confirm the superparamagnetic nature of Zn 0.5 Co 0.5-x Ag 2x Fe 2 O 4 (x = 0.10, 0.20, and 0.30) NPs samples [60,71]. Similar behavior was observed in many research [44,72]. M.K.…”
Magnetic spinel ferrite nanoparticles possess high scientific attention for the researchers attributed to its broad area for biomedicine purposes, comprising cancer magnetic hyperthermia and targeted drug delivery. Herein, we report the ultrasound irritation assisted the sol-gel method for the spinel Zn 0.5 Co 0.5x Ag 2x Fe 2 O 4 (x = 0.00, 0.10, 0.20, and 0.30) nanoparticles (NPs) synthesis. The Rietveld refinement patterns revealed the successful synthesis of the cubic structure Zn 0.5 Co 0.5-x Ag 2x Fe 2 O 4 and the crystallite size ranged from 14.1 nm to 18.4 nm. Also, the optical band gap decreased from 2.39 eV for Co-Zn ferrite to 2.20 eV for Zn 0.5 Co 0.2 Ag 0.6 Fe 2 O 4 sample. Electron paramagnetic resonance spectroscopy was used to study ferromagnetic resonance characteristics of the Zn 0.5 Co 0.5-x Ag 2x Fe 2 O 4 samples. The resonance field was increased from 2512.2 Gauss for Co-Zn ferrite sample to 2834.8 Gauss for Zn 0.5 Co 0.2 Ag 0.6 Fe 2 O 4 sample, while the line width decreased from 2401.3 to 1990.1 Gauss. Also, the saturation was reduced from 45.68 emu.g -1 for the pristine Zn 0.5 Co 0.5 Fe 2 O 4 sample to 22.20 emu.g -1 for Zn 0.5 Co 0.2 Ag 0.6 Fe 2 O 4 sample. Furthermore, cytotoxicity of Zn 0.5-Co 0.2 Ag 0.6 Fe 2 O 4 NPs against human breast cancer MCF-7, HepG2 liver cancer, and LoVo colorectal cancer cells was examined. The cytotoxicity of Zn 0.5 Co 0.2-Ag 0.6 Fe 2 O 4 on the previous cancer cell lines resulted in inhibition of cell growth estimated by MTT assay.
“…TGA and DTA evaluations of the NPs were performed under N 2 atmosphere at the heating rate of 10 °C/min within the temperature range 25–800 °C. Weight loss at about 200 °C was attributed to the decomposition of metal hydroxide and the crystallization of Zn-doped CuFe 2 O 4 NPs 112 . Figure 4 TGA curves of Zn-doped CuFe 2 O 4 NPs.…”
Zn-doped CuFe2O4 nanoparticles (NPs) were eco-friendly synthesized using plant extract. These nanoparticles were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy and thermal gravimetric analysis (TGA). SEM image showed spherical NPs with size range less than 30 nm. In the EDS diagram, the elements of zinc, copper, iron, and oxygen are shown. The cytotoxicity and anticancer properties of Zn-doped CuFe2O4 NPs were evaluated on macrophage normal cells and A549 lung cancer cells. The cytotoxic effects of Zn-doped CuFe2O4 and CuFe2O4 NPs on A549 cancer cell lines were analyzed. The Zn-doped CuFe2O4 and CuFe2O4 NPs demonstrated IC50 values 95.8 and 278.4 µg/mL on A549 cancer cell, respectively. Additionally, Zn-doped CuFe2O4 and CuFe2O4 NPs had IC80 values of 8.31 and 16.1 µg/mL on A549 cancer cell, respectively. Notably, doping Zn on CuFe2O4 NPs displayed better cytotoxic effects on A549 cancer cells compared with the CuFe2O4 NPs alone. Also spinel nanocrystals of Zn-doped CuFe2O4 (~ 13 nm) had a minimum toxicity (CC50 = 136.6 µg/mL) on macrophages J774 Cell Line.
“…In general, the influence of temperature can be used to observe a faster rate of weight loss in Mg 2+ -doped ZrO 2 NPs due to the breakdown and dehydration of water molecules. 23 Fig. 6a and b present the thermal stability investigations of the prepared MZNPs (5 mol%) under the influence of oxygen by varying the temperature range from 10 °C to 900 °C with the rate of heating at 20 °C min −1 .…”
We report the synthesis of magnesia co-stabilized zirconia (ZrO2:Mg2+) NPs by the green (Helianthus annuus plant leaves extract) combustion route and tailored characteristics for the thermal barrier coatings (TBCs) applications....
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