The use of digital technology has grown rapidly during the last couple of decades. During use, mobile phones and cordless phones emit radiofrequency (RF) radiation. No previous generation has been exposed during childhood and adolescence to this kind of radiation. The brain is the main target organ for RF emissions from the handheld wireless phone. An evaluation of the scientific evidence on th...

We have succeeded in implementing ring-shaped light illumination ultrasound-modulated optical tomography (UOT) in reflection mode. The system used intense acoustic bursts and a charge-coupled device (CCD) camera-based speckle contrast detection method. In addition, the implementation allows placing the tissue sample below (not within) an acoustic coupling water tank and scanning the tissue with...

Two types of radiations are used for preservation. They are ionizing radiations such as cathode and gamma rays and nonionizing radiation such as infrared and UV rays. The latter two have poor penetration and bactericidal properties. Ionizing radiations act by disrupting progeny cycles of pathogenic microorganisms by destroying DNA/RNA cycles. Thus, it enhances shelf-life of food and reduces mic...

Ionizing and nonionizing radiation affect not only directly targeted cells but also surrounding "bystander" cells. The underlying mechanisms and therapeutic role of bystander responses remain incompletely defined. Here we show that photosentizer activation in a single cell triggers apoptosis in bystander cancer cells, which are electrically coupled by gap junction channels and support the propa...

OBJECTIVE Crohn's disease and ulcerative colitis are the two main forms of inflammatory bowel disease (IBD). Although the aetiology of IBD is not completely understood, an interaction between genetic and environmental factors has been proposed. In this context, however, environmental epidemiology lacks a comprehensive evaluation of the possible role of occupational exposures in IBD development ...

Cells exposed to DNA damaging agents, produce different types of structural changes in the chromosome. Repair of these lesions requires synthesis of new DNA molecules, catalysed by specific DNA polymerases. A putative DNA polymerase has been characterized, for its role in DNA damage repair and radiation resistance in D. radiodurans, a bacterium best known for its extraordinary resistance to  ...

(2005) Scope This Recommendation is intended to provide a basis for the derivation and estimation of the values of electromagnetic radiation from a broadcasting station that occurs at particular distances from the transmitter site. Using such information, responsible organizations can then develop appropriate standards that may be used to protect humans from undesirable exposure to harmful radi...

Alzheimer's disease, the most common type of dementia and a progressive neurodegenerative disease, occurs when the nerve cells in the brain die. Although there are medications that can help delay the development of Alzheimer's disease, there is currently no cure for this disease. Exposure to ionizing and non-ionizing radiation may cause adverse health effects such as cancer.  Looking at the oth...

OF1 mice were chronically exposed to a 50-Hz sinusoidal East–West magnetic field 15 mT (rms), in order to evaluate the blood coagulation variations related to the effect of this nonionizing radiation. Mating and pregnancy of ancestors (first generation), and birth, lactation, and development of second-generation female mice until adulthood took place in the experimental field. A global blood co...

Exposure of long duration to ionizing radiation causes a variety of neoplasms. The most common cases known to occur are malignant melanomas in skin, skin cancers, leukemias and breast carcinomas [1,2]. The Federal Aviation Administration (FAA) has recommended that aircrew members be exposed to no more than 20mSv per year for a 5 years average, with no more than 50mSv in a single year [3,4]. Rad...