The involvement of radiofrequency electromagnetic fields (RF-EMF) in the neurodegenerative disease, especially Alzheimer's disease (AD), has received wide consideration, however, outcomes from several researches have not shown consistency. In this study, we determined whether RF-EMF influenced AD pathology vivo using Tg-5xFAD mice as a model AD-like amyloid β (Aβ) pathology. transgenic (Tg)-5xFAD and wild type (WT) were chronically exposed to for 8 months (1950 MHz, SAR 5W/kg, 2 hrs/day, 5...

Leukemia and brain cancer patients under age 15 years, along with controls respiratory illnesses who were matched to cases on age, sex, year of diagnosis (1993–1999), selected from 14 South Korean hospitals using the Medical Insurance Data System. Diagnoses confirmed through National Cancer Registry. Residential addresses obtained medical records. A newly developed prediction program incorporating a geographic information system that was modified by results actual measurements used estimate...

Abstract We examined the histological changes by radiofrequency (RF) fields on rat testis, specifically with respect to sensitive processes such as spermatogenesis. Male rats were exposed 848.5 MHz RF for 12 weeks. The exposure schedule consisted of two 45‐min periods, separated a 15‐min interval. whole‐body average specific absorption rate (SAR) was 2.0 W/kg. then investigated correlates testicular function sperm counts in cauda epididymis, malondialdehyde concentrations testes and...

Abstract Due to the rapid development of mobile phone technology, we are continuously exposed 1.7 GHz LTE radio frequency electromagnetic fields (RF-EMFs), but their biological effects have not been clarified. Here, investigated non-thermal cellular these RF-EMFs on human cells, including adipose tissue-derived stem cells (ASCs), Huh7 and Hep3B liver cancer (CSCs), HeLa SH-SY5Y normal fibroblast IMR-90 cells. When RF-EMF for 72 h at 1 2 SAR, cell proliferation was consistently decreased in...

Anabolic steroids (ABS) boldenone (BL; 1.1 mg/kg) and stanozolol (ST; 0.55 were administered i.m. to horses the plasma samples collected up 64 days. androgenic (ANS) in quantified using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The limit of detection all analytes was 25 pg/mL. median absorption (t1/2 partial differential) elimination (t1/2e) half-lives for BL 8.5 h 123.0 h, respectively, area under concentration-time curve (AUCho) 274.8 ng.h/mL. t1/2e ST 82.1 700.1 Peak mean...

Abstract Wireless mobile phones and other telecommunication devices are used extensively in daily life. We therefore examined the effects of combined exposure to radiofrequency electromagnetic fields (RF‐EMF) on rat testicular function, specifically with respect sensitive processes such as spermatogenesis. Male rats were exposed single code division multiple access (CDMA) wideband (WCDMA) RF signals for 12 weeks. The schedule comprised 45 min/day, 5 days/week a total whole‐body average...

The expansion of mobile phone use has raised questions regarding the possible biological effects radiofrequency electromagnetic field (RF-EMF) exposure on oxidative stress and brain inflammation. Despite accumulative humans to fields (RF-EMFs) from phones, their long-term neuroinflammation in aging have not been studied. In present study, middle-aged C57BL/6 mice (aged 14 months) were exposed 1950 MHz for 8 months (specific absorption rate (SAR) 5 W/kg, 2 h/day, d/week). Compared with those...

Concern about the possible adverse effects of radiofrequency (RF)-field exposure on public health has increased because extensive use wireless mobile phones and other telecommunication devices in daily life. The murine fetus is a very sensitive indicator stress or stimuli environment. Therefore, we investigated teratogenic multi-signal electromagnetic fields (RF EMFs) mouse fetuses. Pregnant mice were simultaneously exposed to two types RF signals, single code division multiple access (CDMA)...

Radiofrequency (RF) radiation does not transfer high energy to break the covalent bonds of macromolecules, but these low stimuli might be sufficient induce molecular responses in a specific manner. We monitored effect 1,763 MHz RF on cultured human dermal papilla cells (hDPCs) by evaluating changes expression cytokines related hair growth. The insulin-like growth factor-1 (IGF-1) mRNA hDPCs was significantly induced upon at absorption rate 10 W/kg, which resulted increased B-cell chronic...

The increased use of mobile phones has generated public concern about the impact radiofrequency electromagnetic fields (RF‐EMF) on health. In present study, we investigated whether RF‐EMFs induce molecular changes in amyloid precursor protein (APP) processing and beta (Aβ)‐related memory impairment 5xFAD mouse, which is a widely used animal model. mice at age 1.5 months were assigned to two groups (RF‐EMF‐ sham‐exposed groups, eight per group). RF‐EMF group was placed reverberation chamber...

Heat shock proteins (HSPs) are rapidly induced by a variety of stressors, including heat shock, ethanol, heavy metals, UV, and γ-radiation. Mitogen-activated protein kinases (MAPKs) also involved in the stress transduction pathways all eukaryotes. In this study, we attempted to determine whether radiofrequency (RF) radiation is able induce non-thermal response. Human T-lymphocyte Jurkat cells rat primary astrocytes were exposed 1763 MHz RF at an average specific absorption rate (SAR) either...

We developed whole-body exposure systems for in-vivo study at cellular (848.5 MHz) and Personal Communication System (PCS, 1,762.5 frequency, utilizing reverberation chamber. The field uniformities in the test area of designed chambers were verified by simulation measurement. In environment, Specific Absorption Rate (SAR) distributions inside mice calculated using Finite Difference Time Domain (FDTD) simulation. Key results are presented this article.

Despite more than a decade of research on the endocrine system, there have been no published studies about effects concurrent exposure radiofrequency electromagnetic fields (RF-EMF) this system.The present study investigated several parameters system including melatonin, thyroid stimulating hormone, stress hormone and sex after code division multiple access (CDMA, 849 MHz) wideband (WCDMA, 1.95 GHz) signals for simultaneous in rats.Sprague-Dawley rats were exposed to RF-EMF 45 min/day, 5...

Sprague–Dawley rats (10 each of male and female per group for sham magnetic field exposed) were exposed in a carrousel irradiator to 20 kHz intermediate frequency (IF) at 6.25 µT rms 8 h/day, 5 days/week 90 days. Urine analysis (pH, serum glucose, protein, ketone bodies, RBC, WBC, bilirubin, urobilinogen, specific gravity), blood [WBC, hemoglobin, hematocrit, mean corpuscular volume (MCV), hemoglobin (MCH), concentration (MCHC), thrombocyte count, leucocyte count], biochemistry (total urea...

Abstract The aim of this study was to determine whether the exposure either single or multiple radio‐frequency (RF) radiation frequencies could induce oxidative stress in cell cultures. Exposures human MCF10A mammary epithelial cells a frequency (837 MHz alone 1950 alone) and MHz) were conducted at specific absorption rate (SAR) values 4 W/kg for 2 h. During period, temperature chamber maintained isothermally. Intracellular levels reactive oxygen species (ROS), antioxidant enzyme activity...

Purpose: We investigated whether one-year, long-term, simultaneous exposure to code division multiple access (CDMA; 849 MHz) and wideband (WCDMA; 1.95 GHz) radiofrequencies (RF) would induce chronic illness in Sprague-Dawley (SD) rats.Materials methods: Two groups of 40 SD rats (50% males females sham exposed groups) were CDMA WCDMA RF simultaneously at 2.0 W/kg for 45 min/day (total 4.0 W/kg), 5 days per week a total one year. Body organ weight measurements, urinalysis, haematological blood...

Abstract The aim of this study was to investigate whether single or combined radio frequency (RF) radiation exposure has effects on the cell cycle and its regulatory proteins. Exposure MCF7 cells either (837 MHz) 1950 RF conducted at specific absorption rate values 4 W/kg for 1 h. During period, chamber made isothermal by circulating water through cavity. After exposure, DNA synthesis distribution were assessed. levels proteins, p53, p21, cyclins, cyclin‐dependent kinases also examined....

Although many in vitro studies have previously been conducted to elucidate the biological effects of radio frequency (RF) radiation over past decades, existence and nature any is still inconclusive. In an effort further this question, we monitored changes protein expression profiles RF-exposed MCF7 human breast cancer cells using two-dimensional gel electrophoresis. were exposed 849 MHz RF for 1 h per day three consecutive days at specific absorption rates (SARs) either 2 W/Kg or 10 W/kg....

Abstract As a part of an investigation on the potential risks radiofrequency identification (RFID) human health, we studied whether exposure to 915 MHz RFID in rats significantly affected secretory function thyroid system. A reverberation chamber was used as whole‐body Male Sprague–Dawley were exposed for 8 h per day, 5 days week, duration 2, 4, 8, or 16 weeks. The estimated average specific absorption rate (SAR) varied from 3.2 4.6 W/kg depending age/mass animals field reader. Plasma levels...

The segmentation of breast Magnetic Resonance Imaging (MRI) has been a long term challenge due to the fuzzy boundaries among objects, small spots, and irregular object shapes in MRI. Even though intensity-based clustering algorithms such as K-means Fuzzy C-means have used widely for basic image segmentation, they resulted complicated patterns computer aided MRI diagnosis.

Abstract There are public concerns regarding possible carcinogenic or cancer‐promoting effects of radiofrequency electromagnetic fields (RF‐EMFs) because the extensive use wireless mobile phones and other telecommunication devices in daily life. However, so far it is unclear if non‐thermal exposure single EMF animal studies has a direct influence on carcinogenesis. Here, combined signal RF‐EMFs AKR/J mice, which were used for lymphoma model, investigated. Six‐week‐old mice simultaneously...

In order to evaluate the importance of gestational age in possible effects due exposure a 20 kHz sawtooth magnetic field, pregnant ICR mice at 2.5-15.5 days post-coitus, which is most sensitive stage for induction major congenital malformations, were exposed carrousel irradiator. The intermediate frequency (IF) field had 6.5 microT peak intensity 8 h/day. animals sacrificed on 18th day gestation; and fetuses examined mortality, growth retardation, changes head size, other morphological...

In this paper, dielectric characteristics of female breast tissues were measured. Breast Tissues mainly composed fat, flbro-glandular and tumor. Measured directly extracted from mice a rat just before the measurements to maintain as fresh living ones degeneration. This makes measured results more accurate. Because very thin, they by two methods using HP probe newly designed two-port sample holder. Numerical for two- port holder obtained both forward inverse problems. Dielectric properties in...