OBJECTIVES A mass casualty disaster drill involving the simulated explosion of a radiation dispersal device (dirty bomb) was performed with the participation of multiple hospitals, emergency responders, and governmental agencies. The exercise was designed to stress trauma service capacities, communications, safety, and logistic functions. We report our experience and critique of the planning, t...

The detection of gravitational radiation, emitted in the aftermath excitation neutron star quasi-normal modes, has potential to provide unprecedented access properties matter interior, and shed new light on dynamics nuclear interactions at microscopic level. Of great importance, this context, will be sensitivity themodelling three-nucleon interactions, which are known play a critical role high-...

World events over the past decade have highlighted the threat of nuclear terrorism as well as an urgent need to develop radiation countermeasures for acute radiation exposures and subsequent bodily injuries. An increased probability of radiological or nuclear incidents due to detonation of nuclear weapons by terrorists, sabotage of nuclear facilities, dispersal and exposure to radioactive mater...

When charged particles such as electrons travel through a dielectric medium with a speed greater than the phase velocity of the light in the medium, electromagnetic radiation is emitted that falls into a cone fanning out in the forward direction [Fig. 1, top left]. This phenomenon is called Čerenkov radiation, named after the Russian scientist who first characterized it rigorously and was award...

Wireless Sensor Networks (WSNs) have attracted the attention of many researchers. This has resulted in their rapid integration in very different areas such as precision agriculture, environmental monitoring, object and event detection and military surveillance. Due to the current WSN characteristics this technology is specifically useful in industrial areas where security, reliability and auton...

A new dynamic is identified between dark matter and nuclei. Nuclei accelerated to MeV energies by the internal potential of composite can undergo nuclear fusion. This effect arises in simple models made heavy fermions bound a light scalar field. Cosmologies detection prospects are explored for composites that catalyze reactions underground detectors stars, including bremsstrahlung radiation fro...

  Introduction: Ordered subset expectation maximization (OSEM), is an effective iterative method for SPECT image reconstruction. The aim of this study is the evaluation of the role of system matrix in OSEM image reconstruction method using four different physical beam radiation models with three detection configurations. Methods: SPECT was done with an arc of 180 deg...

OBJECTIVE The aim of this article is to provide a general method to help explain radiation exposure to patients presenting for nuclear medicine procedures. The concept is to convert the effective dose from any nuclear medicine procedure to the equivalent time in months or years to obtain the same effective dose from background radiation. METHODS The effective dose of each common diagnostic nu...

Introduction: Gamma radiations have used frequently at medical radiation centers for treatment of different cancers. This study aimed to consider possible alterations in level of serum zinc and selenium among nuclear medicine staff. Materials and Methods: This cross sectional study was carried out on 30 nuclear medicine staff and 10 individuals as control gr...