Effects of radiation damage on astrometric CCDs: comparison of STA700 and e2v Model 43 detectors

Author(s):  
Bryan N. Dorland ◽  
Scott D. Johnson ◽  
Augustyn Waczynski
Author(s):  
O. Sukhina ◽  
◽  
K. Nemaltsova ◽  
O. Panov ◽  
◽  
...  

Radiation therapy for malignant tumors of the female genital area, even with the use of modern radiotherapy equipment and dosimetric planning, causes the development of local radiation changes. An approach involving methods of general and local exposure is used in their treatment. One of the most promising directions is the creation of optimal combinations of medicines (in the form of ointments, gels, aerosols, suppositories, etc.), which have a therapeutic effect on the inflammatory process. The article reflects the clinical course and stage of occurrence of late radiation reactions of the skin, vaginal/cervix mucosa, bladder, and intestines, as well as the features of their treatment. Literary data and own practical experience in the treatment of radiation complications are presented. When reviewing the topic under study, it could be concluded that the leading cause of the development of local radiation damage is the errors in the planning and implementation of radiation therapy, when high absorbed doses that exceed the tolerance of healthy tissues are used. Another reason for this is the poor accounting for dose distribution of ionizing radiation in tissues, the presence of concomitant diseases in patients, and the underestimation of the long-term effects of radiation. Key words: female genital organs, radiation damage, radiodermatitis, radioepitheliitis, radiation rectitis, radiation cystitis.


1981 ◽  
Vol 11 ◽  
Author(s):  
J.W. Wald ◽  
P. Offemann

Radiation effects studies in both glass and glass ceramic nuclear waste forms have identified a rare-earth titanate phase of the general formula (RE) 2Ti207 which is capable of acting as a host phase for actinides.1,2 Ringwood and co-workers3 have also proposed a structurally similar phase, zirconolite (CaZrTi2 07), as one of the primary host phases in the SYNROC waste form. Data from these and other previous studies, as well as mineralogical information available on these titanate phases, have not provided an unambiguous interpretation of the effects of radiation damage relative to nuclear waste forms. This paper reports new laboratory data concerning radiation damage effects in both of these phases.


2015 ◽  
Vol 22 (2) ◽  
pp. 273-279 ◽  
Author(s):  
Cy M. Jeffries ◽  
Melissa A. Graewert ◽  
Dmitri I. Svergun ◽  
Clément E. Blanchet

Radiation damage is the general curse of structural biologists who use synchrotron small-angle X-ray scattering (SAXS) to investigate biological macromolecules in solution. The EMBL-P12 biological SAXS beamline located at the PETRAIII storage ring (DESY, Hamburg, Germany) caters to an extensive user community who integrate SAXS into their diverse structural biology programs. The high brilliance of the beamline [5.1 × 1012 photons s−1, 10 keV, 500 (H) µm × 250 (V) µm beam size at the sample position], combined with automated sample handling and data acquisition protocols, enable the high-throughput structural characterization of macromolecules in solution. However, considering the often-significant resources users invest to prepare samples, it is crucial that simple and effective protocols are in place to limit the effects of radiation damage once it has been detected. Here various practical approaches are evaluated that users can implement to limit radiation damage at the P12 beamline to maximize the chances of collecting quality data from radiation sensitive samples.


1965 ◽  
Vol 12 (3) ◽  
pp. 705-707 ◽  
Author(s):  
R. R. Fullwood ◽  
E. R. Gaerttner ◽  
R. Krasse

Author(s):  
D. Acosta ◽  
R. DeSalvo ◽  
F.G. Hartjes ◽  
A. Henriques ◽  
L. Linssen ◽  
...  

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