A simple approach for the synthesis of bi-functional Fe3O4@WO3−x core–shell nanoparticles with magnetic-microwave to heat responsive properties

Peng, Hongxia; Ouyang, Jianyong; Peng, Yangxi

doi:10.1016/j.inoche.2017.08.004

Cited by 8 publications

(2 citation statements)

References 27 publications

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“…An example of coating is tungsten trioxide (WO 3− x ). Peng et al use WO 3− x as coating agent of iron oxide NPs, demonstrating the improved MW responding properties of these NPs, that are also susceptible to a magnetic stimulation, because of their iron oxide core, enlarging their application as anticancer therapeutics in combination with one of these stimulations or both [ 97 ].…”

Section: Microwave Responding Npsmentioning

confidence: 99%

Remotely Activated Nanoparticles for Anticancer Therapy

Racca

Cauda

2020

Nano-Micro Lett.

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Cancer has nowadays become one of the leading causes of death worldwide. Conventional anticancer approaches are associated with different limitations. Therefore, innovative methodologies are being investigated, and several researchers propose the use of remotely activated nanoparticles to trigger cancer cell death. The idea is to conjugate two different components, i.e., an external physical input and nanoparticles. Both are given in a harmless dose that once combined together act synergistically to therapeutically treat the cell or tissue of interest, thus also limiting the negative outcomes for the surrounding tissues. Tuning both the properties of the nanomaterial and the involved triggering stimulus, it is possible furthermore to achieve not only a therapeutic effect, but also a powerful platform for imaging at the same time, obtaining a nano-theranostic application. In the present review, we highlight the role of nanoparticles as therapeutic or theranostic tools, thus excluding the cases where a molecular drug is activated. We thus present many examples where the highly cytotoxic power only derives from the active interaction between different physical inputs and nanoparticles. We perform a special focus on mechanical waves responding nanoparticles, in which remotely activated nanoparticles directly become therapeutic agents without the need of the administration of chemotherapeutics or sonosensitizing drugs.

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Section: Microwave Responding Npsmentioning

confidence: 99%

Remotely Activated Nanoparticles for Anticancer Therapy

Racca

Cauda

2020

Nano-Micro Lett.

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“…Moreover, thanks to offering a photocatalytic activity under visible light, WO 3 nanoparticles have been appealing for further research [ 13 , 17 ]. Despite such merits, recovery and separation of the WO 3 nanoparticles from the reaction medium are challenging [ 18 ], and they also suffer from a relatively low specific surface area (2.7 m 2 /g) [ 19 ]. To overcome these bottlenecks, magnetic nanocomposites have been coupled with WO 3 as a core–shell structure.…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic and Antibacterial Properties of Ag-CuFe2O4@WO3 Magnetic Nanocomposite

2021

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This study aimed to synthesize a new magnetic photocatalytic nanosystem composed of Ag-CuFe2O4@WO3 and to investigate its photodegradation efficiency for two drug pollutants of Gemfibrozil (GEM) and Tamoxifen (TAM) under Ultraviolet (UV) light irradiation. In this regard, the effect of pH, catalyst dosage, and drug concentration was thoroughly determined. The largest photodegradation level for GEM (81%) and TAM (83%) was achieved at pH 5, a photocatalyst dosage of 0.2 g/L, drug concentration of 5 mg/L, and contact time of 150 min. The drug photodegradation process followed the pseudo first-order kinetic model. In addition to the photodegradation effect, the nanocomposites were proved to be efficient in terms of antibacterial activity, proportional to the Ag doping level. The Ag-CuFe2O4@WO3 nanocomposite exhibited a stable, efficient performance without an obvious catalytic loss after five successive cycles. Taken together, the developed magnetic photocatalyst is able to simultaneously disinfect wastewater streams and to degrade pharmaceutical contaminants and thus shows a promising potential for purification of multi-contaminant water systems.

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