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Chronic Ionizing Radiation of Plants: An Evolutionary Factor from Direct Damage to Non-Target Effects Hasselt University
In present times, the levels of ionizing radiation (IR) on the surface of Earth are relatively low, posing no high challenges for the survival of contemporary life forms. IR derives from natural sources and naturally occurring radioactive materials (NORM), the nuclear industry, medical applications, and as a result of radiation disasters or nuclear tests. In the current review, we discuss modern sources of radioactivity, its direct and indirect ...
Combining paratransgenesis with SIT: impact of ionizing radiation on the DNA copy number of Sodalis glossinidius in tsetse flies Institute of Tropical Medicine
BackgroundTsetse flies (Diptera: Glossinidae) are the cyclical vectors of the causative agents of African Trypanosomosis, which has been identified as a neglected tropical disease in both humans and animals in many regions of sub-Saharan Africa. The sterile insect technique (SIT) has shown to be a powerful method to manage tsetse fly populations when used in the frame of an area-wide integrated pest management (AW-IPM) program. To date, the ...
Macrophage Resistance to Ionizing Radiation Exposure Is Accompanied by Decreased Cathepsin D and Increased Transferrin Receptor 1 Expression. Flanders Institute for Biotechnology Ghent University
Molecular spectroscopy study of human tooth tissues affected by high dose of external ionizing radiation (caused by the nuclear catastrophe of the Chernobyl plant) University of Antwerp
Effect of Ionizing Radiation on Defects and 1/f Noise in Ge pMOSFETs KU Leuven
The irradiation and annealing responses of Ge pMOSFETs have been investigated under transmission gate bias. Both the radiation-induced charge trapping and the low frequency (1/ f) noise increase with total ionizing dose and decrease with annealing time. The smallest increases in noise after irradiation are observed for Ge pMOSFETs with the lowest halo implantation doses. The smallest increases in oxide and interface trap charge densities are ...
Structural features of human tooth tissues affected by high dose of external ionizing radiation after nuclear catastrophe of Chernobyl plant University of Antwerp
The application of micro-Raman spectroscopy is discussed for the analysis of structural features of human tooth tissues affected by high doses of external ionizing radiation (0.51.7 Gy) after the nuclear plant catastrophe in Chernobyl in 1986. The results have shown significant changes in the mineral matrix of dental enamel that lead to the decrease of tooth enamel hardness. Destruction of the collagen chain of the organic matrix has been ...
Does ionizing radiation stimulate cancer invasion and metastasis? Ghent University
Radiotherapy (RT) is a form of local treatment used mainly for malignant tumors. Such tumors originate from mutated stein cells, During their development they do attract a variety of host cells, coined tumor-associated host cells. Malignant tumors are characterized by uncontrolled growth,. invasion and metastasis'. the latter being the major cause of death of patients, even when their primary tumor is under control. RT inhibits growth. There ...
Emission lines due to ionizing radiation from a compact object in the remnant of Supernova 1987A. KU Leuven
The nearby Supernova 1987A was accompanied by a burst of neutrino emission, which indicates that a compact object (a neutron star or black hole) was formed in the explosion. There has been no direct observation of this compact object. In this work, we observe the supernova remnant with JWST spectroscopy, finding narrow infrared emission lines of argon and sulfur. The line emission is spatially unresolved and blueshifted in velocity relative to ...
Effect of ionizing radiation on the performance of volume holographic elements Vrije Universiteit Brussel
We evaluated the radiation tolerance of volume holographic elements written in photo-thermo refractive glass. To do so these elements were exposed to Co-60 gamma-radiation and 60 MeV protons. At 10 kGy dose levels a high stability has been observed. Our results confirm that such components can operate in a space radiation environment.