نتایج جستجو برای: rf radiation

تعداد نتایج: 269852  

2016
Jong-Sun Lee Jeong-Yub Kim Hee-Jin Kim Jeong Cheol Kim Jae-Seon Lee Nam Kim Myung-Jin Park

Alzheimer's disease (AD) is the most common progressive and irreversible neurodegenerative disease and it is caused by neuronal death in the brain. Recent studies have shown that non-ionizing radiofrequency (RF) radiation has some beneficial cognitive effects in animal models of AD. In this study, we examined the effect of combined RF radiation on amyloid-beta (Aβ)-induced cytotoxicity in HT22 ...

2017
Safoora Nikzad Golshan Mahmoudi Payam Amini Milad Baradaran-Ghahfarokhi Akbar Vahdat-Moaddab Seyedeh Maryam Sharafi Leila Hojaji-Najafabadi Ali Hosseinzadeh

Introduction: The most common type of kidney cancer is renal cell carcinoma (RCC), which accounts for more than 80% of all kidney cancers. Objectives: The aim of this study was to evaluate the effects of radiofrequency (RF) radiation in the presence of gold nanoparticles (GNPs) for the treatment of RCC. Materials and Methods: Human embryonic kidney (HEK) cancer cells were divided into 6 groups....

2009

In this study, the mutagenic effects of low power radiofrequency radiation on Zea mays root tip were studied. Cells in different division phases and chromosomal aberration assay were used to determine the mitotic index and chromosomal aberration frequency of Zea mays root tip cells induced by 900MHz radiofrequency radiation. Zea mays seeds, having a uniform genophond, have been exposed to RF fi...

2013
R. M. Isa N. Fuad

The effects of mobile phone usage on human health are now becoming the subject of recent interest and study. Analysis and observations of the electroencephalogram (EEG) signals can provide valuable insight and thus improves the understanding of the radiofrequency (RF) radiation influence towards human brain. This paper evaluates the selected classifiers for the classification of brainwave datas...

2014
Konstantin P. Tamarov Liubov A. Osminkina Sergey V. Zinovyev Ksenia A. Maximova Julia V. Kargina Maxim B. Gongalsky Yury Ryabchikov Ahmed Al-Kattan Andrey P. Sviridov Marc Sentis Andrey V. Ivanov Vladimir N. Nikiforov Andrei V. Kabashin Victor Yu Timoshenko

Offering mild, non-invasive and deep cancer therapy modality, radio frequency (RF) radiation-induced hyperthermia lacks for efficient biodegradable RF sensitizers to selectively target cancer cells and thus avoid side effects. Here, we assess crystalline silicon (Si) based nanomaterials as sensitizers for the RF-induced therapy. Using nanoparticles produced by mechanical grinding of porous sili...

2010
Yang Xu Meena Mahmood Ashley Fejleh Zhongrui Li Fumiya Watanabe Steve Trigwell Reginald B Little Vasyl P Kunets Enkeleda Dervishi Alexandru R Biris Gregory J Salamo Alexandru S Biris

Three types of graphitic shelled-magnetic core (Fe, Fe/Co, and Co) nanoparticles (named as C-Fe, C-Fe/Co, and C-Co NPs) were synthesized by radio frequency-catalytic chemical vapor deposition (RF-cCVD). X-ray diffraction and X-ray photoelectron spectroscopy analysis revealed that the cores inside the carbon shells of these NPs were preserved in their metallic states. Fluorescence microscopy ima...

Journal: :Archives of Industrial Hygiene and Toxicology 2020

1999
H. S. Kang J.-Y. Choi S. H. Nam S. S. Chang

The 100-MeV Test Linac was constructed for the high brightness applications such as free electron lasers and coherent radiation generation experiments at PAL. The linac consists of a thermionic RF-gun, an alpha magnet, two accelerating structures, and a beam analysing magnet. The RF-gun is a one-cell cavity with a tungsten dispenser cathode of 3-mm diameter, and the longitudinal matching from t...

Journal: :Journal of Geophysical Research: Atmospheres 1999

2009
Geoffry N. De Iuliis Rhiannon J. Newey Bruce V. King R. John Aitken

BACKGROUND In recent times there has been some controversy over the impact of electromagnetic radiation on human health. The significance of mobile phone radiation on male reproduction is a key element of this debate since several studies have suggested a relationship between mobile phone use and semen quality. The potential mechanisms involved have not been established, however, human spermato...

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