Results 31 to 40 of about 310,530 (266)
Nuclear Engineering and Technology, 2013 Thirty-eight radiation safety reports for brachytherapy equipment were evaluated to determine the current status of brachytherapy units in Korea and to assess how radiation oncology departments in Korea complete radiation safety reports.
MI HYUN KEUM +3 more
doaj +1 more source
Determination of half value layers of X-ray equipment using computed radiography imaging plates [PDF]
Physica Medica, 2012 A method for determining half value layers (HVLs) of inverter-type X-ray equipment using a computed radiography (CR) systems was developed. This method is similar to the traditional method, where the air kerma (K) is measured using an ionization based dosimeter and increasing aluminum (Al) absorber thickness, but utilized an imaging plate (IP) and the ...
Eiji, Ariga +4 more
openaire +2 more sources
The newfound relationship between extrachromosomal DNAs and excised signal circles
FEBS Letters, EarlyView.Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley +1 more source
Measurement and Research of Intrinsic Filtering of X-Ray Optical Machine
Journal of Isotopes, 2021 The thickness of the inherent filter layer is one of the important performance parameters of the X-ray reference radiation device, and it needs to be quantitatively measured. This research is based on the new version of ISO 4037-1 standard specification,
HANG Zhongbin;LIU Chuanfeng;LIU Yuntao;WEI Kexin;SONG Mingzhe;WANG Hongyu
doaj +1 more source
FEBS Letters, EarlyView.We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee +3 more
wiley +1 more source
HBRC Journal, 2017 In the present study, the effects of replacing sand by high percentages of basic-oxygen furnace slag on the compressive strength, bulk density and gamma ray radiation shielding properties of mortar have been investigated.
Ahmed S. Ouda, Hamdy A. Abdel-Gawwad
doaj +1 more source
FEBS Letters, EarlyView.We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley +1 more source
Nuclear Engineering and TechnologyThis study focuses on evaluating the PbO-SiO2-B2O3-Na2O glasses' radiation shielding ability against various previously tested materials to gain an in-depth understanding of the glass system's attenuation capabilities.
Albandari.W. Alrowaily +3 more
doaj +1 more source
HBRC Journal, 2015 The performance requirements of the concrete of containment structures are mainly radiological protection, structural integrity, durability, etc. For this purpose, high-performance heavy density concrete can be used. After extensive trials and errors, 15
Ahmed S. Ouda
doaj +1 more source
Enhanced radiation shielding with galena concrete [PDF]
Nuclear Technology and Radiation Protection, 2015 A new concrete, containing galena mineral, with enhanced shielding properties for gamma sources is developed. To achieve optimized shielding properties, ten types of galena concrete containing different mixing ratios and a reference normal ...
Hadad Kamal +2 more
doaj +1 more source