Academic literature on the topic 'Excess lifetime cancer risk and effective dose'

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Journal articles on the topic "Excess lifetime cancer risk and effective dose"

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Василенко, E. Vasilenko, Ефимов, et al. "Lifetime Risk of Lung Cancer Death for Inhalation 239Pu." Medical Radiology and radiation safety 62, no. 1 (2017): 27–31. http://dx.doi.org/10.12737/25046.

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Aim of the study: Assessment of reliability of radiation safety standards after inhalation intake of Pu-239. Material and methods: Using results of epidemiological study of lung cancer mortality in Mayak workers cohort and statistical data on all causes and lung cancer mortality in Russia the excess lifetime risk of lung cancer death was calculated. Results: Current radiation safety standards restrict annual intake of Pu-239 class “S” at 1300 Bq/year level. The annual limit of intake is calculated in a way that the level of committed effective dose in 50 years after intake should not exceed 20
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Muhammad, Nuruddeen Abdulkareem, Abiodun Ibrahim Olanrewaju, Mudassir Usman Muhammad, Isiaka Onaolapo Raheem, and Yakubu Ibrahim. "Assessment and evaluation of residents' excess lifetime cancer risk of federal university of Kashere, Gombe State, Nigeria." World Journal of Advanced Research and Reviews 19, no. 1 (2023): 1499–510. https://doi.org/10.5281/zenodo.10335802.

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A Study of indoor and outdoor radiation dose rate level measurements for male and female hostels at the Federal University of Kashere Hostels, Gombe State, Nigeria, has been carried out with the radiation alert smart 4 to ascertain the radiation level. The measured radiation dose rates were used to calculate the excess lifetime cancer risk and assess radiological health risks. The mean annual outdoor and indoor equivalent doses were 0.025 mSv/y. and 0.370 mSv/y. were recorded, with less than 1 mSv/y. maximum recommended limit for the general public. The mean annua
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Damla, Nevzat, Ayhan Kara, Eyüp Tel, and Cafer M. Yesilkanat. "Mapping of indoor radon survey and dose estimations in health centres in Turkey." Indoor and Built Environment 26, no. 3 (2016): 327–36. http://dx.doi.org/10.1177/1420326x15606508.

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Radon and its short-lived daughter products, leading to lung cancer, are the most significant contribution to the exposure of man to ionizing radiation from natural sources. Therefore, the present study aimed to assess indoor radon measurements in 39 rooms of 15 health centres in Osmaniye city, Turkey using CR-39 solid-state nuclear track detectors based on radon dosimeters. Indoor radon concentrations were found to change from 8 to 108 Bq·m−3. The associated radiological parameters such as the annual effective dose and excess lifetime cancer risk were computed for staff/patient in the rooms s
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Otansev, Pelin, and Nesli Bingöldağ. "INDOOR RADON CONCENTRATION AND EXCESS LIFETIME CANCER RISK." Radiation Protection Dosimetry 198, no. 1-2 (2022): 53–61. http://dx.doi.org/10.1093/rpd/ncab191.

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Abstract In this study, the indoor radon ( 222Rn) levels in summer and winter seasons were measured by using a total of 537 CR-39 detectors. The arithmetic mean values (ranges) of radon activity concentrations (RACs) in summer and winter seasons were found to be 71 Bq m −3 (27–313 Bq m−3) and 241 (89–1047 Bq m−3), respectively. In 20 houses, the RAC was higher than 400-Bq m−3 critical value declared by the Turkish Atomic Energy Authority (TAEK). The mean radon concentrations in summer and winter seasons were below the critical value declared by TAEK. According to normality test, the radon dist
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Oktamuliani, Sri, and Nurul Khaira Sabila. "Estimation of the excess of lifetime cancer risk in Solok Selatan." E3S Web of Conferences 464 (2023): 11003. http://dx.doi.org/10.1051/e3sconf/202346411003.

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This study aimed to minimize radiation risk in Solok Selatan by analyzing active concentrations of 226Ra, 232Th, and 40K, calculating excess lifetime cancer risk (ELCR) from annual effective dose equivalent (AEDE). Soil samples from seven sites in the Solok Selatan, 0 – 5 cm deep, were tested with a high-purity germanium (HPGe) detector. 232Th concentrations exceeded the established global standard of 30 Bq/kg. In addition, the study included the determination of Radium Equivalent (Raeq), absorbed gamma dose rate (D), AEDE, and ELCR. Annual effective dose ranged from 68.33 to 19.92 μSv/y, belo
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GOSHU, B. S. "Estimation of annual effective radiation dose and cancer risk due to tea consumption." Romanian Journal of Biophysics 34, no. 2 (2024): 73–85. http://dx.doi.org/10.59277/rjb.2024.2.02.

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The current study aims to assess the radioactive health risks and their levels due to tea consumption. Fresh tea leaves were plucked from different locations in the Gumero tea farmland in Ilubabour zone, Ethiopia. High-resolution gamma-ray spectroscopy was used to measure the activity concentrations of artificial and natural radionuclides (e.g., 40K, 232Th, and 238U) in the samples. Radiological indicators such as committed dose rate (DR) and excess lifetime cancer risk, LCR (i.e., the cancer death risk due to lifetime exposure to carcinogens, ignoring the contribution of natural background ri
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Hashemi, Marjan, Leila Akhoondi, Mohammad Hossien Saghi, and Akbar Eslami. "ASSESSMENT OF INDOOR GAMMA RADIATION AND DETERMINATION OF EXCESS LIFETIME CANCER RISK IN TEHRAN IN WINTER AND SPRING 2017." Radiation Protection Dosimetry 184, no. 2 (2018): 148–54. http://dx.doi.org/10.1093/rpd/ncy193.

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Abstract Natural radiation is a feature of the environment in which we live. One of the contributions of human exposure to ionizing radiation due to natural sources arises from gamma radiation. Therefore, present study was aimed to evaluate and map indoor gamma dose rate in Tehran. The corresponding annual effective dose (AED) and excess lifetime cancer risk (ELCR) were also calculated. All measurements were performed by a Geiger Muller detector in 43 dwellings in Tehran. The average indoor gamma dose rate in Tehran was appointed as 343.2 nGy/h. AED and ELCR were calculated as 2.4 mSv and 10.3
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Abiodun, Ibrahim Olanrewaju, Nuruddeen Abdulkareem Muhammad, and Onaolapo Raheem Isiaka. "Evaluation of outdoor background ionizing radiation level around radiological sections in Federal Teaching Hospital Gombe, Gombe State Nigeria." World Journal of Advanced Research and Reviews 19, no. 2 (2023): 196–203. https://doi.org/10.5281/zenodo.10830182.

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This study presents the results of ambient radioactive radiation, radiation health hazard indices and excess lifetime cancer risk estimation around radiological sections in Federal Teaching Hospital Gombe, Gombe State, Nigeria using a well calibrated Rados-200 meters and a Global Positioning System (Garmin 765). The mean annual outdoor equivalent dose of 0.078 mSv/y. was measured. Mean annual outdoor effective doses of 0.1358 mSv/y. and 0.0950 mSv/y. were computed respectively, that were less than 1 mSv/y. maximum recommended limit for general public. The mean outdoor ELCR values of 0.3330 x10
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Biere, Peter E, Aluko, Tolulope O., and Emumejaye, Kugbere. "Estimation of Excess Lifetime Cancer Risks at the Niger Delta University Sculpture Garden, Wilberforce Island, Bayelsa State, Nigeria." International Journal of Latest Technology in Engineering Management & Applied Science 14, no. 1 (2025): 216–21. https://doi.org/10.51583/ijltemas.2025.1401023.

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The exposure rates at the Niger Delta University sculpture gardens have been measured and excess lifetime cancer risk has also been determined. Measurement of exposure rate was carried out in a total of twenty points around the garden using a portable hand-held radiation detector, radalert 100X. Results show averages of exposure rate, absorbed dose, annual effective dose and excess lifetime cancer risk as 0.012 mRh-1, 107.9 nGyh-1, 0.132 mSvy-1 and 0.162 x 10-3 respectively. All averages, except for absorbed dose rate, were below world average. The results show low radiation level in the mater
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Addison, E. C. D. K., R. A. Opoku, C. E. B. N. Addison, and W. I. Aniagyei. "ASSESSMENT OF RADIATION DOSE RATE LEVELS AND RADIATION RISK AT THE COBALT -60 UNIT, KOMFO ANOKYE RADIOTHERAPY CENTER, GHANA." European Journal of Technology 5, no. 1 (2021): 34–51. http://dx.doi.org/10.47672/ejt.877.

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Purpose: A study was conducted to estimate the Annual Effective Dose Equivalent (AEDE) and Excess Lifetime Cancer Risk (ELCR) caused by the presence of an artificial cobalt-60 radioactive source producing ionizing radiation levels within the radiotherapy facility at Komfo Anokye Teaching Hospital (KATH) in Ghana. This study validated the safety of cobalt-60 radioactive sources, as well as the notion of calculating the Annual Effective Dose Equivalent (AEDE) and Excess Lifetime Cancer Risk (ELCR), which contributed to reducing occupational and public exposures inside the facility.
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Book chapters on the topic "Excess lifetime cancer risk and effective dose"

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Kumar, Pankaj, Manpreet Kaur, and Mukesh Kumar. "ASSESSMENT OF AMBIENT GAMMA DOSE RATE AROUND THE ATOMIC POWER STATION AND ITS HEALTH EFFECTS IN WEST UP, INDIA." In Futuristic Trends in Physical Sciences Volume 3 Book 2. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bkps2p2ch6.

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In this study an attempt has been made to estimate the exposure of natural radiation due to ambient gamma dose by using RedEye-G gamma survey meter measured at 1m height from the ground surface at 150 locations in the 18 villages situated within 5 km radius around the Narora Atomic Power Station, Bulandshahr, (U. P.) India. The average outdoor gamma dose rate varied from 1.31 to 2.72 mSv/y with an average value of 1.94 ± 0.25 mSv/y. The total annual effective dose ranged 0.93 to 1.79 mSv/y with an average value of 1.32 ± 0.16 mSv/y. The estimated mean of AED values is higher than the values pr
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Conference papers on the topic "Excess lifetime cancer risk and effective dose"

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Delipovici, Irina, and Inga Deleu. "The importance of the vitamin d and its effects on the human organism." In The International Scientific Congress "Sports. Olimpysm. Health". SOH 2023. 8th Edition. The State University of Physical Education and Sport, 2025. https://doi.org/10.52449/soh23.16.

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The human body needs a variety of nutrients, for a normal fucntionality, and a major one of them is the fat-soluble Vitamin D. This vitamin can be found in several forms, but the most important for human body is Vitamin D2 and D3. The D2 form, named ergocalciferol, is produced by plants and mushrooms. It is also spread in different types of grains - rye, oat, wheat, barley. The Vitamin D3 ("The vitamin of the sun"), also named - cholecalciferol, of animal origin, is synthesized by the organism in 80-90% proportions. It is due to the contact of the B ultraviolet rays and the specific receptors
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