نتایج جستجو برای: magnetic hyperthermia mri
تعداد نتایج: 417438 فیلتر نتایج به سال:
In this study, we developed the cancer treatment through the combination of chemotherapy and thermotherapy using doxorubicin-loaded magnetic liposomes. The citric acid-coated magnetic nanoparticles (CAMNP, ca. 10 nm) and doxorubicin were encapsulated into the liposome (HSPC/DSPE/cholesterol = 12.5:1:8.25) by rotary evaporation and ultrasonication process. The resultant magnetic liposomes (ca. 9...
Background and purpose: Determining the severity and site of rotator cuff tear (RCT) is very important for choosing a treatment method. In this study, the diagnostic value of indirect magnetic resonance arthrography (I-MRA) and magnetic resonance imaging (MRI) were compared. Materials and methods: This cross-sectional study was performed in 36 patients attending an orthopedic clinic in 2020. P...
Nanostructured magnetic systems have many applications, including potential use in cancer therapy deriving from their ability to heat in alternating magnetic fields. In this work we explore the influence of particle chain formation on the normalized heating properties, or specific loss power (SLP) of both low- (spherical) and high- (parallelepiped) anisotropy ferrite-based magnetic fluids. Anal...
Current treatment modalities for melanoma do not offer satisfactory efficacy. We have developed a new, minimally invasive hyperthermia technology based on radio-frequency hyperthermia. Herein, we investigated the feasibility of using a nickel-copper thermoseed for inductive hyperthermia at a relatively high temperature (46-55 ˚C). In vitro, the thermoseed showed good thermal effects and effecti...
High intensity focused ultrasound (HIFU) has performed its non-invasive heating capability for tumour treatment. Magnetic resonance image (MRI) guided HIFU surgery has been initially proved for uterine fibroid. ExAblate MRgFUS system (Insightec, Israel) recently demonstrated hyperthermia application for malignant bone metastasis palliation and been certificated by US FDA. HIFU beam projects ult...
In the past decades, there is a growing interest in the design and synthesis of composite microspheres with a dielectric solid sphere (e.g., silica, polystyrene) covered by metallic and their corresponding metal oxides shell, such as copper[1], gold[2], silver[3,4], iron oxide[5], zinc oxide[6,7], titanium oxide[8,9] and zirconium dioxide[10]. Such materials may exhibit a few unique electrical,...
Magnetic hyperthermia is an adjuvant therapy for cancer where injected magnetic nanoparticles are used to transfer energy from the time-dependent applied field into surrounding medium. Its main importance be able increase temperature of human body locally. This localization can further increased by using a combination static and alternating external fields. For example, if inhomogeneous oscilla...
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