gamma rays pose enough energy to remove electrons from atoms of absorbing material including human body and adversely affect human health. the external exposure of human beings to natural environmental gamma radiation normally exceeds that from all man-made sources combined. therefore, we monitored gamma dose rate in indoor environments and estimated corresponding annual effective dose in selec...

diabetes is one of the most common metabolic disorders and is interrelated to oxidative stress-induced diseases. according to the role of dietary antioxidants in control and prevention of diabetes, this study was aimed to evaluate the effect of green tea extract on serum glucose levels and serum and hepatic total antioxidant capacity (tac) and lipid (mda) in diabetic rats. experimental diabetes...

background: the number of interventional cardiology procedures performed has increased rapidly over the past years. while these procedures help physicians avoid using highly complicated invasive methods, it usually leads to high levels of exposure to ionizing radiation of both patients and cardiologist. the dose received by the cardiologist during interventional cardiology procedures is determi...

Involvement of membrane damage and reactive oxygen species (ROS) in mechanism of radiation induced apoptotic death were investigated in mouse thymocytes in presence of eugenol, a membrane specific antioxidant from plant sources. The membrane damage in thymocytes by γ-irradiation was determined by measurement of thiobarbituric acid reactive species (TBARS). Generation of reactive oxygen species ...

BACKGROUND There is widespread concern about radiation doses imparted to patients during cardiology procedures in the medical community. The current study intends to audit and optimize radiation dose to patients undergoing coronary angiography (CA) performed using two dedicated cardiovascular machines. MATERIALS AND METHODS One hundred and forty nine patients who underwent CA are reported in ...

In this study, we have examined the antioxidant activity and total phenolic content of different extracts (including water, methanol, water : methanol and acetone) of Nerium oleander L. grown in the north of Iran by employing various in-vitro assay, i.e. DPPH free radical scavenging, reducing power and total antioxidant capacity through the Mo (VI) reduction. The extracts showed different level...

The use of supra-dietary doses of chemical antioxidants has attracted increasing interest as a possible primary and secondary cancer prevention strategy. It is possible that some cancer patients have an inherently impaired capacity to contend with oxidative stress because of genetic or environmental factors. Specifically, higher levels of intracellular antioxidants may protect against chromosom...

In this study, we have examined the antioxidant activity and total phenolic content of different extracts (including water, methanol, water : methanol and acetone) of Nerium oleander L. grown in the north of Iran by employing various in-vitro assay, i.e. DPPH free radical scavenging, reducing power and total antioxidant capacity through the Mo (VI) reduction. The extracts showed different level...