Several stars at the low-metallicity extreme of the Galactic halo show large spreads of [Pb/hs]. Theoretically, a s-process pattern should be obtained from an AGB star with fixed metallicity and initial mass. For the third dredge-up and the s-process model, several important properties depend primarily on the core mass of AGB stars. Zijlstra (2004) reported that the initial-finalmass relation s...

Instrumental neutron activation analysis as carried out at the National Institute of Standards and Technology (NIST) is inadequate for determining Al, Ni, and V at the levels found in the newly prepared Standard Reference Material (SRM) 1577c Bovine Liver. To overcome shortcomings in the value assignment, the authors initiated a cooperative approach using NAA with previously established chemica...

Gallium Nitride (GaN) is a radiation hard material that has unexplored potentials to be used as a neutron detector in harsh radiation environment. In this study, we will investigate the effects of radiation on semi-insulating (SI) and undoped GaN using depth-resolved cathodoluminescence spectroscopy (DRCLS) to measure the lattice defects due to neutron irradiation. The relationship between two ...

Background Radiotheragnostics makes use of the same molecular targeting vectors, labeled either with a diagnostic or therapeutic radionuclide, ideally of the same chemical element. The matched pair of scandium radionuclides, 44Sc and 47Sc, satisfies the desired physical aspects for PET imaging and radionuclide therapy, respectively. While the production and application of 44Sc was extensively s...

The BD-100 is a neutron bubble detector which is available commercially from Chalk River Nuclear Laboratories, Canada. The detector consists of tiny superheated liquid droplets that are dispersed throughout a firm elastic polymer. The polymer is contained in a small capped and sealed glass (glass detector) or plastic (plastic detector) test tube. A low boiling point liquid floating above the po...

Iron-based amorphous metallic alloys (AMAs) of several compositions were exposed to neutron irradiation with fluences up 1019 n/cm2. These materials exhibit excellent magnetic properties which predetermine them for use in electronic devices operated also radiation-exposed environments. Response the studied AMAs is followed by Mössbauer spectrometry probes local microstructure. Neutron leads rea...

Bystander effects have been observed repeatedly in mammalian cells following photon and alpha particle irradiation. However, few studies have been performed to investigate bystander effects arising from neutron irradiation. Here we asked whether neutrons also induce a bystander effect in two normal human lymphoblastoid cell lines. These cells were exposed to fast neutrons produced by targeting ...