An efficient and selective drug delivery vehicle for cancer cells can remarkably improve therapeutic approaches. In this study, we focused on the synthesis and characterization of magnetic Ni1−xCoxFe2O4 nanoparticles (NPs) coated with two layers of methionine and polyethylene glycol to increase the loading capacity and lower toxicity to serve as an efficient drug carrier. Ni1−xCoxFe2O4@Methionine@PEG NPs were synthesized by a reflux method then characterized by FTIR, XRD, FESEM, TEM, and VSM. Naproxen was used as a model drug and its loading and release in the vehicles were evaluated. The results for loading efficiency showed 1 mg of Ni1−xCoxFe2O4@Methionine@PEG NPs could load 0.51 mg of the naproxen. Interestingly, Ni1−xCoxFe2O4@Methionine@PEG showed a gradual release of the drug, achieving a time-release up to 5 days, and demonstrated that a pH 5 release of the drug was about 20% higher than Ni1−xCoxFe2O4@Methionine NPs, which could enhance the intracellular drug release following endocytosis. At pH 7.4, the release of the drug was slower than Ni1−xCoxFe2O4@Methionine NPs; demonstrating the potential to minimize the adverse effects of anticancer drugs on normal tissues. Moreover, naproxen loaded onto the Ni1−xCoxFe2O4@Methionine@PEG NPs for breast cancer cell lines MDA-MB-231 and MCF-7 showed more significant cell death than the free drug, which was measured by an MTT assay. When comparing both cancer cells, we demonstrated that naproxen loaded onto the Ni1−xCoxFe2O4@Methionine@PEG NPs exhibited greater cell death effects on the MCF-7 cells compared with the MDA-MB-231 cells. The results of the hemolysis test also showed good hemocompatibility. The results indicated that the prepared magnetic nanocarrier could be suitable for controlled anticancer drug delivery.
A novel and speci c Drug delivery for in vitro cancer-targeted are developed successfully by a simple onestep method. A CoFe 2 O 4 @Methionine core-shell nanoparticle was prepared by the re ux assay which amino acid in the surface makes ferrite biocompatible, enhances its chemical stability, and improves the drug loading capacity. The synthesized nanoparticles were characterized using FTIR, TGA, XRD, SEM, TEM, and VSM which coating amino acid on the surface of CoFe 2 O 4 was con rmed by XRD and TGA.The appearance of a new peak for C≡N con rms the formation of Letrozole loaded carrier in the FTIR.The vibrating sample magnetometer of both bare CoFe 2 O 4 and Methionine-coated CoFe 2 O 4 nanoparticles exhibited room-temperature superparamagnetic behavior with a saturation value of 46emu/g and 16.8emu/g, respectively. The morphology and size of samples were characterized by SEM and TEM that the average size of the particle was around 28-29 nm. The loading of Letrozole and the effect of pH (5, 7.4) on the release behavior of the carrier was studied. The result of the drug release in pH equals 5 was about 88% which higher than pH equals 7.4. Also, the preparation had been evaluated for determining its cytotoxicity using MCF-7, MDA-MB-231, and MCF10A cells as an in vitro model, and the result vitro experiments showed that CoFe 2 O 4 @Methionine could signi cantly reduce cancer in cells model. These results demonstrate that core-shell nanoparticle was prepared is biocompatible and have potential use as drug delivery.
In the present study, nickel ferrite (NiFe2O4)-based smart magnetic nanoparticles were fabricated and coated with methionine. Physiochemical characterization of the obtained Met-NiFe2O4 nanoparticles revealed the presence of methionine coating over the nanoparticle surface. Drug release study indicated that Tet-Met-NiFe2O4 nanoparticles possess pH-responsive controlled drug release behavior for tetracycline (Tet). The drug loading content for Tet was found to be 0.27 mg/L of nanoparticles. In vitro cytotoxicity test showed that the Met-NiFe2O4 nanoparticles is biocompatible. Moreover, this magnetic nanostructured material shown strong anticancer property as these nanomaterials significantly reduced the viability of A375 cells when compared to free Tet solution. In addition, Tet-Met-NiFe2O4 nanoparticles also showed strong antibacterial activity against different bacterial pathogens.
An innovative and customized drug delivery system for in vitro cancer treatment has been developed successfully by a simple one-step method. A CoFe2O4@Methionine core-shell nanoparticle was prepared by the reflux assay, in which amino acid on the surface makes the ferrite biocompatible, enhances the chemical stability of the compound, and increases the drug loading capacity. The synthesized nanoparticles were evaluated using SEM, TEM, FTIR, and VSM, while XRD and TGA analysis verified the presence of a coating amino acid on the surface of CoFe2O4. The appearance of a new peak for C≡N in the FTIR spectrum validates the synthesis of a letrozole-loaded carrier. Both uncoated CoFe2O4 and methionine-coated CoFe2O4 nanoparticles behave super-paramagnetically at room temperature, with saturation values of 46 emu/g and 16.8 emu/g, respectively. SEM and TEM were used to characterize the morphology and size of samples, revealing that the average particle size was around 28–29 nm. The loading of Letrozole and the effect of pH (5, 7.4) on the release behavior of the carrier were studied. The result of the drug release in pH (5) was about 88% higher than pH (7.4). Also, the preparation has been evaluated for determining its cytotoxicity using MCF-7, MDA-MB-231, and MCF10A cell lines as an in vitro model, and the results of in vitro experiments showed that CoFe2O4@Methionine could significantly reduce cancer in the cell model. These results demonstrate that core-shell nanoparticles were prepared that are biocompatible and have potential use as drug delivery.
An innovative and customized drug delivery system for in vitro cancer treatment has been developed successfully by a simple one-step method. A CoFe2O4@Methionine core-shell nanoparticle was prepared by the reflux assay, in which amino acid on the surface makes the ferrite biocompatible, enhances the chemical stability of the compound, and increases the drug loading capacity. The synthesized nanoparticles were evaluated using SEM, TEM, FTIR, and VSM, while XRD and TGA analysis verified the presence of a coating amino acid on the surface of CoFe2O4. The appearance of a new peak for C≡N in the FTIR spectrum validates the synthesis of a letrozole-loaded carrier. Both uncoated CoFe2O4 and methionine-coated CoFe2O4 nanoparticles behave super-paramagnetically at room temperature, with saturation values of 46 emu/g and 16.8 emu/g, respectively. SEM and TEM were used to characterize the morphology and size of samples, revealing that the average particle size was around 28–29 nm. The loading of Letrozole and the effect of pH (5, 7.4) on the release behavior of the carrier were studied. The result of the drug release in pH (5) was about 88% higher than pH (7.4). Also, the preparation has been evaluated for determining its cytotoxicity using MCF-7, MDA-MB-231, and MCF10A cell lines as an in vitro model, and the results of in vitro experiments showed that CoFe2O4@Methionine could significantly reduce cancer in the cell model. These results demonstrate that core-shell nanoparticles were prepared that are biocompatible and have potential use as drug delivery.
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