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Journal articles on the topic 'THERMO LUMINESCENCE DOSIMETER'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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1

Hsieh, Chi Wen, and Yi Hong Lin. "Non-Uniform Dose Measurement Based on Two-Stage Bleaching Integrated with Thermo-Luminescence and Optically Stimulated Luminescence Dosimeter." Advanced Materials Research 744 (August 2013): 474–77. http://dx.doi.org/10.4028/www.scientific.net/amr.744.474.

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Thermo luminescence dosimeter and optically stimulated luminescence dosimeter are the most popular dosimeters for personal and environmental radiation monitoring. Basically, these dosimeters are both accumulated dosimeters so that they cannot precisely measure dynamic doses, i.e. there is no any information of time resolving. We developed an algorithm to solve the problem that can depress the uncertain measurement by using partially bleaching techniques; the two-stage bleaching method under the fixed bleaching intensity condition. To analyze and compare the difference of ionizing radiation dos

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2

Sohan, N. A., M. J. Dewan, A. K. M. M. Rahman, M. Al-Mamun, and M. I. Hosan. "Thermo-luminescence Response of Carbon Nanotubes and Some Other Familiar TL Materials Using Medical LINAC." Journal of Scientific Research 12, no. 4 (2020): 455–62. http://dx.doi.org/10.3329/jsr.v12i4.45336.

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Strain and impurity defects in carbon nanotubes (CNTs) particularly their potentiality as a new TL material has been studied over the years. In this research, our main objective is to explore the suitability of using CNTs and its composites in the area of TL dosimeter. For this purpose, a study was carried out between the TL responses of the dosimeters TLD-100, TLD-7000 and NaI-LiF pellets. To carry out this research, equivalent irradiations were performed with these pellets using clinical linear accelerator (LINAC) under 6 MV X-ray photon beam. The dose range was from 0.5 to 5 Gy. During irra

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Elsharkawi, Adel Shaaban Awad, Huda A. Alazab, Mahmoud Sayed, et al. "A Fiber-Optical Dosimetry Sensor for Gamma-Ray Irradiation Measurement in Biological Applications." Biosensors 13, no. 12 (2023): 1010. http://dx.doi.org/10.3390/bios13121010.

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In this paper, we propose a novel fiber-optical dosimetry sensor for radiation measurement in biological applications. A two-dimensional (2D) fiber-optical dosimeter (FOD) for radiation measurement is considered. The sensors are arranged as a 2D array in a tailored holder. This FOD targets accurate industrial and medical applications which seek more tolerant radiation dosimeters. In this paper, the FOD sensors are subjected to gamma-ray radiation facilities from the 137Cs gamma-ray irradiator type for low doses and 60Co gamma-ray irradiator for high doses. For better evaluation of radiation ef

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Omer, Mohammed A. Ali, Abdulrahman A. Alsayyari, Jumaa Y. Tamboul, Rowida B. Ali, Amira A. Ahmed, and Ahmed Abukonna. "Studying of Common Factors Affecting Reading of Lithium Fluoride Thermo-Luminescence Dosimeter Crystal." Open Journal of Biophysics 07, no. 01 (2017): 14–24. http://dx.doi.org/10.4236/ojbiphy.2017.71002.

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Noble, Brooklyn, Dong-Ok Choe, and Tatjana Jevremovic. "Experimental and MCNP5 based evaluation of neutron and gamma flux in the irradiation ports of the University of Utah research reactor." Nuclear Technology and Radiation Protection 27, no. 3 (2012): 222–28. http://dx.doi.org/10.2298/ntrp1203222n.

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Neutron and gamma flux environment of various irradiation ports in the University of Utah training, research, isotope production, general atomics reactor were experimentally assessed and fully modeled using the MCNP5 code. The experimental measurements were based on the cadmium ratio in the irradiation ports of the reactor, flux profiling using nickel wire, and gamma dose measurements using thermo luminescence dosimeter. Full 3-D MCNP5 reactor model was developed to obtain the neutron flux distributions of the entire reactor core and to compare it with the measured flux focusing at the irradia

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6

Nurdin, W. B., Aswad, and K. Bariah. "Effect of SSD and absorbing filter in calibration process of Thermo Luminescence Dosimeter TLD-700." Journal of Physics: Conference Series 1341 (October 2019): 082029. http://dx.doi.org/10.1088/1742-6596/1341/8/082029.

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Hegazy, Ehab A. "Comparison Between Thermo Luminescence Dosimeter and Planning System Dose Calculation in The Brain and Spinal Cord Tumour." JOURNAL OF ADVANCES IN PHYSICS 16, no. 1 (2019): 272–79. http://dx.doi.org/10.24297/jap.v16i1.8375.

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Radiotherapy of Spinal cord and brain tumor requires High care due to considerable changes in the white matter of the brain, which consequently lead to a reduction of patient learning and mental skills. It is considered a very critical tumor due to high sensitivity of gross volume location and normal tissues surrounding it, including eye, heart, plate thyroid, and testis. XiO planning systems, TLD dosimeter found in Mansoura university oncology department, CMS XIO USA TPS were compared using electron and photon beams with different energies at a different site in target volume and organs at ri

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Sneha, C., SureshM Pradhan, Kshama Srivastava, and Ratna Pradeep. "Response of CaSO4:Dy based thermo luminescence dosimeter badge to137Cs and60Co radiations and its implications on estimation of personal dose equivalent." Radiation Protection and Environment 39, no. 2 (2016): 91. http://dx.doi.org/10.4103/0972-0464.190392.

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Kurrey, Manmohan Singh, and Bhoopendra Dhar Diwan. "Synthesis and Characterization of Novel ZnO Nanophosphors." Advanced Materials Research 938 (June 2014): 145–48. http://dx.doi.org/10.4028/www.scientific.net/amr.938.145.

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In this paper, the novel ZnO nanophosphors is synthesized by solgel method. The study exposed ZnO nanophosphors samples in Gamma (y) radiation to investigate their thermo-luminescence (TL) intensity as a function of temperature. The thermo-luminescence response has been studied in the dose range 0.291.16 kGy and it is observed that the thermo-luminescence response increases with increase in the dose. Moreover, the TL intensity increases with temperature and attains its maximum value near 200 Cand decreases after this temperature. Keywords: Dosimetry; Thermo-luminescence; Zinc oxide; Nanophosph

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Ceberg, S., A. Mannerberg, E. Konradsson, et al. "FLASH radiotherapy and the associated dosimetric challenges." Journal of Physics: Conference Series 2630, no. 1 (2023): 012010. http://dx.doi.org/10.1088/1742-6596/2630/1/012010.

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Abstract At Lund University and Skåne University Hospital in Lund, Sweden, we have, as the first clinic, modified a clinical Elekta Precise linear accelerator for convertible delivery of ultra-high dose rate (FLASH) irradiation. Whereas recently published reviews highlighted the need for standardised protocols for ultra-high dose rate beam dosimetry to be able to determine the true potential of FLASH irradiation, several dosimetry studies as well as in-vitro and in-vivo experiments have been carried out at our unit. Dosimetric procedures for verification of accurate dose delivery of FLASH irra

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Kurrey, Manmohan Singh, and Bhoopendra Dhar Diwan. "Photo-Luminescence Properties of Novel ZnO Nano-Phosphors." Advanced Materials Research 938 (June 2014): 311–15. http://dx.doi.org/10.4028/www.scientific.net/amr.938.311.

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In this paper we have reported excellent luminescence properties of novel nanophosphors synthesized through solgel method with narrow size distribution. The size and morphology of the prepared ZnO nanophosphors has been confirmed through XRD and SEM. We have investigated their photo-luminescence (PL) intensity as a function of wavelength. We have prepared ZnO nanophosphor of size 6 nm. It is observed two different emission peaks near 375 nm in the ultraviolet (UV) and near 525 nm in the visible region. The prepared ZnO nanophosphor has enough potential for optoelectronic applications. Keywords

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12

Saroja, R. Ragel Mabel. "ASSESSMENT OF INDOOR RADIATION DOSE RECEIVED BY THE RESIDENTS OF NATURAL HIGH BACKGROUND RADIATION AREAS OF COASTAL VILLAGES OF KANYAKUMARI DISTRICT, TAMIL NADU, INDIA." Green Chemistry & Technology Letters 1, no. 01 (2015): 01–05. http://dx.doi.org/10.18510/gctl.2015.111.

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Radiation exposure and effective dose received through two routes of exposure, viz. external and internal, via inhalation, by residents of coastal villages belonging to Natural High Background Radiation Areas (NHBRA) of Kanyakumari District and Tamil Nadu inIndiawere studied. While the indoor gamma radiation levels were monitored using Thermo Luminescent Dosimeters (TLDs), the indoor radon and thoron gas concentrations were measured using twin chamber dosimeters employing Solid State Nuclear Track Detectors (SSNTDs, LR-115-II). The average total annual effective dose was estimated and found to

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Tahr Ali, Runak. "X-ray examination to measurement radiation doses of patients in three Erbil hospitals." AL-QADISIYAH MEDICAL JOURNAL 3, no. 4 (2017): 28–40. http://dx.doi.org/10.28922/qmj.2007.3.4.28-40.

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Thermo luminescent dosimeters (TLDs) have been used to measure the entrance surface doses (ESDs) of patients undergoing pelvis, abdomen and lumbar spine diagnostic X-ray examinations in Erbil. A total of three public hospitals and 171 patients were included in this investigation. The ages of the patients involved were from 40 years to 85 years, while their weights ranged from 64 kg to 73 kg. Mean, of ESDs are reported. The results showed that in most cases, for each of the examinations, the individual ESD values are found to be comparable with, and higher than, those from Ghana and Tanzania, r

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Tahr Ali, Runak. "The risk of conventional X-RAY for abdominal examination at different Erbil hospitals." AL-QADISIYAH MEDICAL JOURNAL 9, no. 16 (2017): 40–50. http://dx.doi.org/10.28922/qmj.2013.9.16.40-50.

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Thermo luminescent dosimeters (TLDs) have been used to measure the entrance surface doses (ESDs) of patients undergoing abdomen diagnostic X-ray examinations in Erbil. A total of three public hospitals and 286 patients were included in this investigation. The ages of the patients involved were from 40 years to 85 years, while their weights ranged from 64 kg to 71 kg. Mean, of ESDs are reported. The results showed that in most cases of the examinations, the individual ESD values are found to be comparable with, and higher than, those from Ghana and Tanzania, respectively. The ranges found in th

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Zacharias, N., M. Stuhec, Z. Knezevic, E. Fountoukidis, C. T. Michael, and Y. Bassiakos. "Low-dose environmental dosimetry using Thermo- and Optically Stimulated Luminescence." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 580, no. 1 (2007): 698–701. http://dx.doi.org/10.1016/j.nima.2007.05.125.

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16

S., N. Upadhyay. "Detection methodologies for radiation hormesis and radioadaptive response." Journal of Indian Chemical Society Vol. 89, Sep 2012 (2012): 1241–52. https://doi.org/10.5281/zenodo.5769627.

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Formerly Institute of Nuclear Medicine & Allied Sciences, Brig. S. K. Mazumdar Marg, Delhi-110 054, India <em>E-mail</em> : saurin_upadhyay@yahoo.com <em>Manuscript received 30 June 2011, accepted 29 December 2011</em> Both radiation hormesis (RH) and radio-adaptive response occur at a very low dose (10<sup>-4</sup> Gy to 10<sup>-2</sup> Gy). For detection of such a low dose there are physical, chemical, biochemical, biopolymeric, cellular and genetic radiation-induced radiobiological end points. The present article represents quite a large number of such techniques and methodologies such

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Petukhov, A. D., V. V. Bogacheva, V. F. Stepanenko, et al. "Use the phenomenon of thermo stimulated luminescence in sea salt microcrystals for intracavitary «in vivo» dosimetry at Ir-192 brachytherapy for prostate cancer: an assessment of the potential." "Radiation and Risk" Bulletin of the National Radiation and Epidemiological Registry 33, no. 3 (2024): 46–54. http://dx.doi.org/10.21870/0131-3878-2024-33-3-46-54.

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Aim of the study – use of the phenomenon of thermo stimulated luminescence in natural microcrystals of sea salt (NaCl) in the range of therapeutic doses in order to develop a method for off line intracavitary «in vivo» dosimetry of patients at high dose-rate brachytherapy of prostate cancer with a 192Ir source. Samples of aliquots with natural microcrystals (a fraction with a size of about 100 m) of sea salt were used in the study. Measurements were carried out using a Harshaw 3500 device, which is a thermoluminescent reader. Irradiation of samples to construct the calibration dependences was

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18

Wang, Fengdie, Zhonghai Wang, Yuchi Wu, et al. "An active dose-measuring device for X-rays generated by ultra-short, ultra-intense laser pulses." Journal of Instrumentation 18, no. 03 (2023): P03005. http://dx.doi.org/10.1088/1748-0221/18/03/p03005.

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Abstract Ultra-short, ultra-intense laser pulses can create extreme physical conditions for a wide range of applications in atomic and molecular physics, materials chemistry, and inertial-confinement fusion. However, laser-matter interactions can be accompanied by significant X-ray emission that introduces radiation risks to the nearby environment and personnel. It is usually to monitor the radiation dose during in high-intensity laser-target interactions with optically stimulated luminescence and thermo-luminescence devices. However, these passive methods cannot measure the radiation dose in

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Soliman, C., and M. A. Hussein. "Some thermo-stimulated luminescence parameters of quartz arenite relevant to gamma dosimetry." Radiation Effects and Defects in Solids 165, no. 3 (2010): 245–51. http://dx.doi.org/10.1080/10420150903449704.

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Yuen, P., L. J. Brewster Mallalieu, and R. Sharma. "Comparison of Optically Stimulated Luminescence Detectors with Thermo Luminescence Detectors for In Vivo Dosimetry of Pediatric Total Body Irradiation Patients." International Journal of Radiation Oncology*Biology*Physics 81, no. 2 (2011): S664—S665. http://dx.doi.org/10.1016/j.ijrobp.2011.06.1947.

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21

Fuller, C. D., C. R. Thomas, A. Wong, L. Voeltz, B. J. Salter, and M. Fuss. "Thermo-luminescent dosimeter evaluation of extra-target dose in intensity modulated sequential tomotherapy for pancreatic cancer." Journal of Radiotherapy in Practice 5, no. 3 (2006): 173–76. http://dx.doi.org/10.1017/s1460396906000239.

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The proximity of abdominal tumors to non-target organs has motivated exploration of intensity modulated radiation therapy (IMRT), with its demonstrated capability to create conformal dose gradients, in abdominal tumors. However, substantial extra-target dose may be observed to radiosensitive organs remote from the treatment field.We present dosimetric data from two patients receiving abdominal IMRT using a sequential tomotherapy technique, demonstrating substantial dose to extra-target organs.

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22

Sadeghi, Nahid, and Rohollah Ahangari. "Radiological Assessment of Atmospheric Release from Tehran Research Reactor during Normal Operation by Using Pc-Cream Code." International Letters of Natural Sciences 54 (May 2016): 17–26. http://dx.doi.org/10.18052/www.scipress.com/ilns.54.17.

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In this work, radiological assessment of atmospheric release from Tehran’s Research Reactor (TRR) stack and assessment of public exposures under normal operation has been studied. To perform tasks mentioned above, Pc-Cream computer code which simulates Gaussian Dispersion air transport plume model as well as laboratory analysis of the soil and leaves samples and TLD (Thermo Luminescent Dosimeter) monitoring around the TRR site was used. Results of the Pc-Cream code showed that the annual committed and external dose received by the individual in the vicinity of the reactor is below the regulato

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Sadeghi, Nahid, and Rohollah Ahangari. "Radiological Assessment of Atmospheric Release from Tehran Research Reactor during Normal Operation by Using Pc-Cream Code." International Letters of Natural Sciences 54 (May 11, 2016): 17–26. http://dx.doi.org/10.56431/p-n778vb.

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In this work, radiological assessment of atmospheric release from Tehran’s Research Reactor (TRR) stack and assessment of public exposures under normal operation has been studied. To perform tasks mentioned above, Pc-Cream computer code which simulates Gaussian Dispersion air transport plume model as well as laboratory analysis of the soil and leaves samples and TLD (Thermo Luminescent Dosimeter) monitoring around the TRR site was used. Results of the Pc-Cream code showed that the annual committed and external dose received by the individual in the vicinity of the reactor is below the regulato

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Acharya, Prabhash, Gita Chalise, Bipin Rijal, Hari Prasad Lamichhane, and Buddha Ram Shah. "Study on Occupational Radiation Exposure at Different Hospitals in Nepal using ThermoluminescenceDosimetry." Nepal Journal of Science and Technology 19, no. 1 (2020): 180–85. http://dx.doi.org/10.3126/njst.v19i1.29799.

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The clinical efficacy of using ionizing radiation in diagnosis and treatment of diseases has been revolutionized, benefitting humankind and, at the same time, imposing deleterious health effects, if not handled carefully. Personnel dosimetry has emerged as an essential tool to monitor occupational radiation exposure. The present study intends to reveal and describe the scenario of occupationally exposed staff by assessing an individual’s dose in radiological facilities at different hospitals in Nepal. Thermo luminescent Dosimetry (TLD) has been used for assessing individual doses. Altogether

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Roberge, David, William Parker, Tamim M. Niazi, and Marina Olivares. "Treating the Contents and Not the Container: Dosimetric Study of Hair-sparing Whole Brain Intensity Modulated Radiation Therapy." Technology in Cancer Research & Treatment 4, no. 5 (2005): 567–70. http://dx.doi.org/10.1177/153303460500400510.

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Hematogenous metastatases are the most common adult central nervous system malignancies. The standard treatment of these patients continues to include whole brain radiation. An unavoidable toxicity of this treatment is acute iatrogenic alopecia. This alopecia is a significant cause of patient distress. Our purpose was to quantify the sparing of the hair bearing skin that could be achieved by using a complex hair-sparing approach. To achieve this goal, we treat an anthropomorphic phantom with both conventional and inverse-planned intensity-modulated portals. The skin dose was evaluated through

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Khanal, Suraj, Zoubir Ouhib, Rashmi Benda, and Theodora Leventouri. "Evaluation of surface dose outside the treatment area for five breast cancer irradiation modalities using thermo-luminescent dosimeters." International Journal of Cancer Therapy and Oncology 3, no. 1 (2015): 030117. http://dx.doi.org/10.14319/ijcto.0301.17.

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Gruel, A., K. Ambrožič, C. Destouches, V. Radulović, A. Sardet, and L. Snoj. "Gamma-heating and gamma flux measurements in the JSI TRIGA reactor, results and prospects." EPJ Web of Conferences 225 (2020): 04029. http://dx.doi.org/10.1051/epjconf/202022504029.

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The neutron field of various irradiation positions of the TRIGA Mark II reactor of the Jožef Stefan Institute has been thoroughly characterized by neutron activation dosimetry and miniature fission chambers techniques. In order to have a fully validated calculation scheme to analyze and plan experiments, the gamma field also has to be experimentally validated. The 10-year long collaboration between CEA and JSI is a perfect framework to carry out such a study, and measurements of the gamma field started in late 2016. Several measurement techniques were investigated in in-core and ex-core positi

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Shoshtary, Akram, Jalil Pirayesh Islamian, Mohsen Asadinezhad, and Alireza Sadremomtaz. "An Evaluation of the Organ Dose Received by Cardiologists Arising From Angiography Examinations in Educational Hospital in Rasht." Global Journal of Health Science 8, no. 7 (2015): 185. http://dx.doi.org/10.5539/gjhs.v8n7p185.

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<p>Interventional procedures, cine acquisitions and operation of fluoroscopic equipment in high-dose fluoroscopic modes, involve long fluoroscopic times which can lead to high staff doses. Also, Coronary angiography (CA) procedures require the cardiologist and assisting personnel to remain close to the patient, which is the main source of scattered radiation. Thus, radiation exposure is a significant concern for radiation workers and it is important to measure the radiation doses received by personnel and evaluate the parameters concerning total radiation burden. In this research, we inv

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Etemadinezhad, Siavash, and Seyed Ali Rahimi. "Patient exposure dose for chest and skull radiographies in Mazandaran hospitals." Journal of X-Ray Science and Technology: Clinical Applications of Diagnosis and Therapeutics 18, no. 1 (2010): 87–91. http://dx.doi.org/10.3233/xst-2010-024400244.

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Background and purpose: Radiographic techniques are essential methods of diagnosis, and their use has been increased, especially with the development of the new technologies. Inappropriate administration of these techniques may put both the patients and personnel at unnecessary risks. The objective of this research was to measure the skin dose of chest and skull radiographies used in Mazandaran hospitals and to compare these doses with national and international standards. Materials and methods: In this cross-sectional study, six X-ray generators at six hospitals affiliated to Mazandaran Unive

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Usman Sani, Bashir Gide Muhammad, Dimas Skam Joseph, and D. Z. Joseph. "EVALUATION OF OCCUPATIONAL RADIATION EXPOSURE IN A RADIO-DIAGNOSTIC FACILITY IN KATSINA- NIGERIA." FUDMA JOURNAL OF SCIENCES 4, no. 2 (2020): 722–29. http://dx.doi.org/10.33003/fjs-2020-0402-406.

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Poor implementation of quality assurance programs in the radiation industry has been a major setback in our locality. Several studies revealed that occupational workers are exposed to many potential hazards of ionizing radiation during radio-diagnostic procedures, yet radiation workers are often not monitored. This study aims to evaluate the occupational exposure of the radiation workers in Federal Medical Centre Katsina, and to compare the exposure with recommended occupational radiation dose limits. The quarterly readings of 20 thermo-luminescent dosimeters (TLDs') used by the radiation work

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Chukhray, Nataliya, and Oleksandra Mrykhina. "Technology assessment to transfer them from an engineering university to a business environment." Problems and Perspectives in Management 17, no. 4 (2020): 504–16. http://dx.doi.org/10.21511/ppm.17(4).2019.41.

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Technology transfer from universities to the business environment plays a key role in use of the open innovation concept. Meanwhile, in Ukraine which has a sufficiently high level of scientific and technological capacity, universities do not fully respond to market demands and do not receive the proper commercial results. One of the reasons for this is that current methods and models do not allow justifying the level of techno&amp;shy;logy transferability. This article aims to present a methodological approach to assessing the transferability of technologies from universities to the busine

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Nouet, P., G. Dipasquale, A. Dubouloz, and M. Rouzaud. "Planning, treatment and in vivo thermo-luminescent dosimetry in patients with breast cancer treated with a VMAT technique: Geneva experience." Physica Medica 29 (June 2013): e32. http://dx.doi.org/10.1016/j.ejmp.2013.08.101.

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Khakimova, Nodira U., Elena Yu Malysheva, Shoira G. Shosafarova, and Ulmas M. Mirsaidov. "Comparative analysis of the external exposure of different professional groups of medical staff of Dushanbe city of the Republic of Tajikistan." Radiatsionnaya Gygiena = Radiation Hygiene 12, no. 4 (2020): 78–81. http://dx.doi.org/10.21514/1998-426x-2019-12-4-78-81.

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The work provides a comparative analysis of average annual individual radiation doses based on the obtained values of individual dose equivalent Hp (10), which had been obtained during 5 years of investigations (2014-2018) by using the thermo-luminescent dosimetry method of 70 employees working computed tomography, radioscopy, fluorography and radiography from 15 medical institutions in Dushanbe city. The ratio of medical personnel of the different professional groups showed that 63% of them were engaged in radiography, 19% x-ray, 10% computed tomography and 8% radioscopy. Analysis of the aver

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Votyakov, S. L., Yu V. Shchapova, E. A. Pankrushina, et al. "Features of the structure and properties of minerals and synthetic materials with mineral structure according to microanalytical methods." Trudy Instituta geologii i geohimii, no. 168 (2024): 112–30. https://doi.org/10.24930/0371-7291-2024-168-112-130.

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The article presents a generalization and review of the studies carried out at the “Geoanalitik” shared research facilities of the IGG UB RAS for the period 2019–2024 years in the field of spectroscopy of minerals and synthetic materials with mineral structure – zircon, apatite, spinel, scheelite, lamprophyllite, frankamenite, gypsum, cubanite and garnet. Results. (1) X-ray photoelectron spectroscopy was used to study the radiationinduced short-range order destruction of metamictised zircons; (3) low-temperature boson peak Raman spectroscopy was used to study the structure and stresses in the

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Nair, Sajeesh S., Saral Kumar Gupta, N. S. Shine, et al. "Evaluating the Cumulative Effects of Fundamental Radiation Safety Measures on Health Professionals in Cath Lab." Indian Journal Of Science And Technology 17, no. 19 (2024): 1961–67. http://dx.doi.org/10.17485/ijst/v17i19.881.

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Objectives: The significant rise in modern cath lab units has led to a proportionate increase in cath lab procedures and subsequent radiation environment may elevate the occupational radiation exposure to staff. This study aimed to assess the collective impact of fundamental radiation safety devices in the cath lab on decreasing occupational radiation exposure to staff. Methods: This study was conducted in our cath lab room, equipped with a Siemens Artis cath lab unit. Measurements were performed using RaySafe X2 detectors and Thermo Luminescent Dosimeters (TLDs). Dose assessments were conduct

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Haq, M. Mohib-ul, Ghulam Mohammad Mir, Nazir Ahmad Khan, et al. "Study of Radiation Safety Concerns in Departments of Diagnostic Radiology of various Hospitals of Kashmir valley." JMS SKIMS 13, no. 2 (2010): 51–55. http://dx.doi.org/10.33883/jms.v13i2.48.

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BACKGROUND: A primary consideration in any radiographic procedure is to reduce the dose to the patient and the operator while still achieving the diagnostic goals. OBJECTIVE: To study the radiation exposure and protective measures in different units of various hospitals in Kashmir valley in compliance to recommendations from regulatory authorities. METHODS: Twenty-eight stationary X-ray units of various major hospitals of the Kashmir Valley were surveyed by the radiation safety group of SKIMS. Panoramic survey meter, Thyac-V survey meter-470A, Prima-7 digital survey meters were use

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Sajeesh, S. Nair, Kumar Gupta Saral, S. Shine N, et al. "Evaluating the Cumulative Effects of Fundamental Radiation Safety Measures on Health Professionals in Cath Lab." Indian Journal of Science and Technology 17, no. 19 (2024): 1961–67. https://doi.org/10.17485/IJST/v17i19.881.

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Abstract <strong>Objectives:</strong> The significant rise in modern cath lab units has led to a proportionate increase in cath lab procedures and subsequent radiation environment may elevate the occupational radiation exposure to staff. This study aimed to assess the collective impact of fundamental radiation safety devices in the cath lab on decreasing occupational radiation exposure to staff. <strong>Methods:</strong> This study was conducted in our cath lab room, equipped with a Siemens Artis cath lab unit. Measurements were performed using RaySafe X2 detectors and Thermo Lu

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Kennedy, Patrick J., Lei Wang, Michael J. Burke, Glenn Sullivan, Jose M. Hernandez, and William T. Tse. "Irradiation Conditions Necessary for Murine Bone Marrow Ablation Utilizing an X-Ray-Based Irradiator." Blood 104, no. 11 (2004): 4959. http://dx.doi.org/10.1182/blood.v104.11.4959.4959.

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Abstract In mouse models of bone marrow transplantation, irradiation of recipient animals to ablate endogenous hematopoietic tissues is conventionally given by radioisotope-based irradiators. Recently, cabinet-size, X-ray-based irradiators have been advertised as a safe and cost-effective alternative source of radiation. Whereas 137Cesium-generated gamma-rays have an energy of 662 kV, X-rays generated from cabinet irradiators typically have a peak energy of only 130 kV, thus potentially limiting their ability to penetrate tissues. In this study, we performed dosimetry studies of a Faxitron RX6

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Ghninou, H., A. Gruel, A. Lyoussi, et al. "Absolute neutron and photon flux characterization in the CNESTEN’s TRIGA Mark II research reactor." EPJ Web of Conferences 288 (2023): 04002. http://dx.doi.org/10.1051/epjconf/202328804002.

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The National Center for Nuclear Energy, Sciences and Technology (CNESTEN) located in Rabat, Morocco, operates a 2 MW TRIGA Mark II research reactor. This type of reactor is specially designed to effectively implement the various fields of nuclear research such as neutron activation analysis, neutron radiography, detectors testing, radioisotopes production as well as education and training. In the last few years, a collaboration between the French Atomic Energy and Alternative Energies Commission (CEA) and the CNESTEN was established to expand the utilization of the TRIGA computational model by

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Gruel, A., D. Fourmentel, C. El Younoussi, et al. "Characterization of the gamma flux in a tangential channel of the CENM TRIGA MARK II research reactor." EPJ Web of Conferences 225 (2020): 04030. http://dx.doi.org/10.1051/epjconf/202022504030.

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The CNESTEN (National Center for Energy Sciences and Nuclear Technology, Morocco) operates a TRIGA Mark II reactor, which can reach a thermal maximum power at steady state of 2 MW. In reactors devoted to research and experiments, it is mandatory to characterize the neutron and photon fields in the irradiation positions. Together with a computational model of the core, it ensures the ability to reach the requested uncertainties when performing experiments, such as detectors testing, irradiation for hardening or nuclear data measurements. The neutron field of different irradiation positions has

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Hui, Susanta, Yutaka Takahashi, Shernan G. Holtan, et al. "Comparison of Oxidant Stress and Damage-Related Responses after Total Body Irradiation Versus Total Marrow Irradiation in Rodents." Blood 124, no. 21 (2014): 3804. http://dx.doi.org/10.1182/blood.v124.21.3804.3804.

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Abstract Background: Total body irradiation (TBI) is an important component of many hematopoietic cell transplantation (HCT) preparative regimens because of its efficacy in immune suppression and leukemia eradication. However, TBI is also associated with risk of damage to vital organs, especially the gastrointestinal tract and lungs, which can lead to several early and late complications. We hypothesized that total marrow irradiation (TMI) would induce fewer damaging side effects, especially in aging mice, but similar marrow response compared to TBI. To test this hypothesis, we developed a mou

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Asiamah, SD, C. Schandorf, and S. Anim-Sampong. "Performance of Harshaw 6600 thermo-luminescence dosimeter (TLD) system for personal monitoring." Journal of Applied Science and Technology 7, no. 1 (2004). http://dx.doi.org/10.4314/jast.v7i1.17423.

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Gazy, Talaat. "Measurements of Entrance Skin Dose in Egyptian Pediatric During Diagnostic X-Rays using Thermo Luminescence Dosimeter (TLD -100)." Arab Journal of Nuclear Sciences and Applications, November 22, 2018, 0. http://dx.doi.org/10.21608/ajnsa.2018.2643.1056.

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Malekzadeh, Reza, Ali Tarighatnia, Parinaz Mehnati, and Nader D. Nader. "Reduction of Radiation Risk to Cardiologists and Patients during Coronary Angiography: Effect of Exposure Angulation and Composite Shields." Frontiers in Biomedical Technologies, December 26, 2023. http://dx.doi.org/10.18502/fbt.v11i1.14515.

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Purpose: This study aimed to design an improved form of a composite shield with different materials and shapes and simultaneously reduce the radiation dose to both the patient and operator. Materials and Methods: A female phantom study was performed with and without bismuth belt-shaped composite shields on the breast region at different beam projections used in coronary angiography. Dose measurements were conducted using GR-200 thermo-luminescence dosimeters, dose area product (DAP), and air kerma (AK) over regular and large breast locations, with and without using bismuth shields. An el

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Pomatsalyuk, R., S. Romanovskyi, V. Shevchenko, and V. Uvarov. "REAL TIME LUMINESCENT DOSIMETRY SYSTEM FOR PRODUCT PROCESSING AT AN ELECTRON ACCELERATOR." Problems of Atomic Science and Technology, October 25, 2024, 131–35. http://dx.doi.org/10.46813/2024-153-131.

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Quality control in industrial product processing at an electron accelerator requires continuous monitoring of critical parameters of the irradiation regime, first of all, of absorbed dose. The method of contact-free on-line measuring the surface distribution of absorbed dose in a processed object is described. The novel technique is based on the use of optical radiation induced in the object with the electron beam (cathodoluminescence, CL). It is shown, that the intensity of CL is proportional to the absorbed dose rate. An automated system for online measurement of the CL signal and determinat

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Mehdizadeh, Mehrzad, Nasir Babakhan Kondori, Vahid Changizi, and Zahra Sadeghi. "Radiation Safety in Children in Children’s Medical Center Hospital." Iranian Journal of Pediatrics 30, no. 5 (2020). http://dx.doi.org/10.5812/ijp.99887.

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Background: Diagnostic radiology studies in children harbor more radiation hazards than in adults due to their small size and higher cellular proliferation rate. Therefore, reducing the radiation burden to children should be top priority. Measurement of radiation dose is the first step to this goal. Nevertheless, we do not know whether the radiation of portable radiographs at our hospital meets the standards or not. Objectives: This study aims at measuring the primary and scattered radiation at different distances from patients. This eventually would help us to keep the radiation to minimum. M

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Oksana, G. Cherednichenko, L. Pilyugina Anastasia, N.Lukashenko Sergey, and G. Gubitskaya Elena. "Assessment of Occupational Exposure and Individual Radio-Sensitivity in People Subjected to Ionizing Radiation." June 2, 2017. https://doi.org/10.5281/zenodo.1131489.

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The estimation of accumulated radiation doses in people professionally exposed to ionizing radiation was performed using methods of biological (chromosomal aberrations frequency in lymphocytes) and physical (radionuclides analysis in urine, whole-body radiation meter, individual thermoluminescent dosimeters) dosimetry. A group of 84 "A" category employees after their work in the territory of former Semipalatinsk test site (Kazakhstan) was investigated. The dose rate in some funnels exceeds 40 μSv/h. After radionuclides determination in urine using radiochemical and WBC methods, it

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Mohamedy, Ebtesam M., Hassan Fathy, Wafaa M. Khalil, Nadia L. Helal, and Ehab M. Attalla. "Assessment the Photo-neutron Contamination of IMRT and 3D-Conformal Techniques Using Thermo-luminescent Dosimeter (TLD)." Journal of Pharmaceutical Research International, March 6, 2019, 1–10. http://dx.doi.org/10.9734/jpri/2018/v25i430107.

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The aim of the study is to evaluate the dependence of photo-neutron production on field size, depth in phantom and distance from isocenter and also to calculate the equivalent neutron doses for PTV and OARs of IMRT and 3DCRT techniques using TLD (600/700).The Linac Siemens Oncor installed at Nasser Institute, Cairo, Egypt. TLDs, Neutron Monitor, Ionization chamber were provided by NIS, the duration of the study was from November 2017 to July 2018. 5 prostate cancer cases were selected treated with high energy beam (15MV) Linear accelerator using 3DCRT and IMRT treatment plans. The OARs were bl

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Alalawi, Amani I., R. P. Hugtenburg, A. T. Abdul Rahman, et al. "WITHDRAWN: Measurement of dose enhancement close to high atomic number media using optical fibre thermo luminescence dosimeters." Radiation Physics and Chemistry, February 2013. http://dx.doi.org/10.1016/j.radphyschem.2013.02.007.

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Yazdi, Shiva Rahbar, Saman Dalvand, Mohammad Ali Broomand, Hamed Zamani, Mohammad Hossein Zare, and Hamidreza Masjedi. "Gonads Exposure to Scattered Radiation and Associated Second Cancer Risk from Pelvic Radiotherapy." Frontiers in Biomedical Technologies, September 29, 2023. http://dx.doi.org/10.18502/fbt.v10i4.13721.

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Purpose: The purpose of this study was to evaluate the risk of gonad cancer induction in adults with pelvic cancer (bladder, rectum, endometriosis) after radiation therapy. Materials and Methods: In two fractions of radiotherapy, Thermo Luminescence Dosimeters (TLDs) measured the peripheral dose to the testis and ovary. With 3D planning, all patients received a 45 Gy total dose in four fields in the prone position. Researchers investigated the doses produced by linear accelerators operating at 18 MeV. Results: The mean Excess Relative Risk (ERR) was measured based on the BEIR IIV m

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