Tritium concentration in unpolished rice.

abstract：:The aim of this study was to compare the dosimetric parameters of whole-pelvic radiotherapy (WPRT) for cervical cancer among plans involving 3D conformal radiotherapy (3D-CRT), intensity-modulated radiotherapy (IMRT), or spot-scanning proton therapy (SSPT). The dose distributions of 3D-CRT-, IMRT-, and SSPT-based WPRT...

journal_title：Journal of radiation research

authors： Hashimoto S,Shibamoto Y,Iwata H,Ogino H,Shibata H,Toshito T,Sugie C,Mizoe JE

更新日期：2016-09-01 00:00:00

abstract：:A number of agents are now available for use in protecting against ionizing radiation. These radiation-protective agents, however, have many adverse effects. Efforts have been made to develop new radiation-protective agents for medical application. Here, we investigated whether a compound, polyethylenimine (PEI), whic...

journal_title：Journal of radiation research

authors： Hu Z,Xing Y,Qian Y,Chen X,Tu J,Ren L,Wang K,Chen Z

更新日期：2013-03-01 00:00:00

abstract：:Immunohistochemical examinations were performed on rat pulmonary tumors induced by inhalation exposures to 239PuO2 aerosols, or by X-ray-irradiation to identify and compare cellular origins or, in turn, target cells at risk for radiation carcinogenesis. Both plutonium-induced and X-ray-induced pulmonary tumors appeare...

journal_title：Journal of radiation research

authors： Oghiso Y,Yamada Y

更新日期：2002-09-01 00:00:00

abstract：:The biokinetics of radon in the body has previously been studied with the assumption that its absorption through the skin is negligibly small. This assumption would be acceptable except in specific situations, such as bathing in a radon hot spring where the radon concentration in thermal water is far higher than that ...

journal_title：Journal of radiation research

authors： Sakoda A,Ishimori Y,Tschiersch J

更新日期：2016-07-01 00:00:00

abstract：:Whole brain irradiation (WBI) has become an indispensible tool in the treatment of head and neck cancer, and it has greatly improved patient survival rate and total survival time. In addition, prophylactic cranial irradiation (PCI) has dramatically decreased the incidence of brain metastatic carcinoma. However, WBI ma...

journal_title：Journal of radiation research

authors： Xu M,Fan Q,Zhang J,Chen Y,Xu R,Chen L,Zhao P,Tian Y

更新日期：2017-11-01 00:00:00

abstract：:This study aimed to evaluate the relationship between cardiac toxicity after definitive chemoradiotherapy (CRT) for esophageal cancer and the dose-volume histogram (DVH) of organs at risk (OARs) [using biological effective dose (BED)]. We analyzed the data of 83 patients with esophageal cancer treated using definitive...

journal_title：Journal of radiation research

authors： Takeuchi Y,Murakami Y,Kameoka T,Ochi M,Imano N,Takahashi I,Nishibuchi I,Kimura T,Kawahara D,Saito A,Nagata Y

更新日期：2020-03-23 00:00:00

abstract：:Brain metastasis from esophageal carcinoma has been considered rare and survival following esophageal carcinoma with distant metastasis is poor. The purpose of this report was to clarify cumulative incidence and risk factors for brain metastasis after chemoradiotherapy for esophageal carcinoma, and to consider recomme...

journal_title：Journal of radiation research

authors： Kanemoto A,Hashimoto T,Harada H,Asakura H,Ogawa H,Furutani K,Boku N,Nakasu Y,Nishimura T

更新日期：2011-01-01 00:00:00

abstract：:The direct biological effects of radiation, particularly accelerated heavy particle ions, on neurons are not fully known. Hence, the direct effect of carbon-ion beams on immature neurons was investigated by comparing to the effect of X-rays in vitro using primary hippocampal neurons. Primary neurons were prepared from...

journal_title：Journal of radiation research

authors： Kaminuma T,Suzuki Y,Shirai K,Mizui T,Noda SE,Yoshida Y,Funayama T,Takahashi T,Kobayashi Y,Shirao T,Nakano T

更新日期：2010-01-01 00:00:00

abstract：:Female C3H strain mice, which do not spontaneously exhibit frequent bone tumors and myeloid leukemias, were injected intraperitoneally with various doses of 10 to 12,000 Bq/animal of monomeric 239Pu citrate to clarify lifetime carcinogenesis caused by alpha-particles distributed mainly in the skeleton. Survival time w...

journal_title：Journal of radiation research

authors： Oghiso Y,Yamada Y,Iida H

更新日期：1997-06-01 00:00:00

abstract：:Thyroid cells were given 5.5 Gy X-rays in situ and transplanted after 1 day or after 6 weeks to form colonies in fat pads. The colony-forming efficiency unexpectedly decreased by a factor of about 2 with this increase in delay time before transplantation. In addition, there was a concomitant marked increase above the ...

journal_title：Journal of radiation research

authors： Watanabe H,Hendry JH

更新日期：1994-06-01 00:00:00

abstract：:Chromosome painting by fluorescence in situ hybridization (FISH) with a whole chromosome-specific DNA probe was used to detect chromosomal aberrations in lymphocytes from cancer patients given partial-body fractionated X-ray therapy. Six male patients with cancer of the stomach, prostate, lung, or hepatocellular carci...

journal_title：Journal of radiation research

authors： Matsuoka A,Yamada K,Hayashi M,Sofuni T

更新日期：1996-12-01 00:00:00

abstract：:Immediately after X-irradiation, monocytic cells can express the gene for interleukin (IL)-1beta, which enhances inflammation and contributes to radioprotection in mice. In order to analyze the mechanism(s) for the immediate-early induction of IL-1beta after X-irradiation at 20 Gy in cultured murine macrophages, we ex...

journal_title：Journal of radiation research

authors： Ishihara H,Tanaka I,Wan H,Cheeramakara C

更新日期：2003-06-01 00:00:00

abstract：:Reassessment of gamma-ray doses from the atomic bombs in Hiroshima and Nagasaki has been carried out with the thermoluminescent measurements of bricks and decorative tiles which were collected from the buildings that remain as they were at the time of the explosions. The thermoluminescent measurements were performed u...

journal_title：Journal of radiation research

authors： Maruyama T,Kumamoto Y,Noda Y

更新日期：1991-03-01 00:00:00

abstract：:A conceptual design of a mobile isocenter carbon ion gantry was carried out in the framework of the Particle Training Network for European Radiotherapy (PARTNER) and Union of Light Ion Centres in Europe (ULICE) projects. To validate the magnets used in this gantry, Finite Element Method (FEM) simulations were performe...

journal_title：Journal of radiation research

authors： Moreno JO,Pullia MG,Priano C,Lante V,Necchi MM,Savazzi S

更新日期：2013-07-01 00:00:00

abstract：:The aim of this study was to carry out geometric and dosimetric evaluation of the usefulness of a deformable image registration algorithm utilized for adaptive head-and-neck intensity-modulated radiotherapy. Data consisted of seven patients, each with a planning CT (pCT), a rescanning CT (ReCT) and a cone beam CT (CBC...

journal_title：Journal of radiation research

authors： Eiland RB,Maare C,Sjöström D,Samsøe E,Behrens CF

更新日期：2014-09-01 00:00:00

abstract：:In this paper, we compare two radiation effect models: the average surviving fraction (ASF) model and the integral biologically effective dose (IBED) model for deriving the optimal irradiation scheme and show the superiority of ASF. Minimizing the effect on an organ at risk (OAR) is important in radiotherapy. The biol...

journal_title：Journal of radiation research

authors： Takagi R,Komiya Y,Sutherland KL,Shirato H,Date H,Mizuta M

更新日期：2018-03-01 00:00:00

abstract：:The purpose of this study is to evaluate the dose-volume metrics under different heterogeneity corrections and the factors associated with local recurrence (LR) after stereotactic body radiation therapy (SBRT) for non-small-cell lung cancer (NSCLC). Eighty-three patients who underwent SBRT for pathologically proven st...

journal_title：Journal of radiation research

authors： Ueki N,Matsuo Y,Shibuya K,Nakamura M,Narabayashi M,Sakanaka K,Norihisa Y,Mizowaki T,Hiraoka M

更新日期：2013-03-01 00:00:00

abstract：:Medical diagnostic X-ray workers are one occupational group that has exposure to continuous low doses of external radiation over their working lifetimes. Current ICRP recommendations [ICRP. Recommendations of the International Commission on Radiological Protection. ICRP Publication 60. Ann ICRP 1991;21 (1-3)] state th...

journal_title：Journal of radiation research

authors： Xu XS,Zhang LA,Sun QF,Qin YC,Yu NL

更新日期：2018-03-01 00:00:00

abstract：:An interest in the possible cancer causing ability of neutrons began soon after their discovery. Early use of neutrons from radioactive sources and from cyclotrons led to a need to define risk for such exposures. This need was soon followed by a more tangible need to define risk to the general population of high LET r...

journal_title：Journal of radiation research

authors： Hill CK,Williams-Hill D

更新日期：1999-12-01 00:00:00

abstract：:Although radon inhalation increases superoxide dismutase (SOD) activities in mouse organs, the mechanisms and pathways have not yet been fully clarified. The aim of this study was to determine the details of SOD activation in mouse brain tissue following the inhalation of radon at concentrations of 500 or 2000 Bq/m3 f...

journal_title：Journal of radiation research

authors： Kataoka T,Etani R,Kanzaki N,Kobashi Y,Yunoki Y,Ishida T,Sakoda A,Ishimori Y,Yamaoka K

更新日期：2017-11-01 00:00:00

abstract：:The purpose of this study was to analyze the dosimetry and investigate the clinical outcomes of radiation-induced rib fractures (RIRFs) after stereotactic body radiotherapy (SBRT). A total of 126 patients with Stage I primary lung cancer treated with SBRT, who had undergone follow-up computed tomography (CT) at least ...

journal_title：Journal of radiation research

authors： Miura H,Inoue T,Shiomi H,Oh RJ

更新日期：2015-03-01 00:00:00

abstract：:Reactions of edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one) with deoxyguanosine monophosphate (dGMP) hydroxyl radical adducts were investigated by pulse radiolysis technique. Edaravone was found to reduce the dGMP hydroxyl radical adducts through electron transfer reactions. The rate constants of the reactions were g...

journal_title：Journal of radiation research

authors： Hata K,Urushibara A,Yamashita S,Lin M,Muroya Y,Shikazono N,Yokoya A,Fu H,Katsumura Y

更新日期：2015-01-01 00:00:00

abstract：:In our previous studies, we found that low-dose radiation inhibits oxidative stress-induced diseases due to increased antioxidants. Although these effects of low-dose radiation were demonstrated, further research was needed to clarify the effects. However, the analysis of oxidative stress is challenging, especially th...

journal_title：Journal of radiation research

authors： Kanzaki N,Kataoka T,Etani R,Sasaoka K,Kanagawa A,Yamaoka K

更新日期：2017-01-01 00:00:00

abstract：:Microbeams have undergone a renaissance since their introduction and early use in the mid 60s. Recent advances in imaging, software and beam delivery have allowed rapid technological developments in microbeams for use in a range of experimental studies. The resurgence in the use of microbeams since the mid 90s has coi...

journal_title：Journal of radiation research

authors： Prise KM,Schettino G,Vojnovic B,Belyakov O,Shao C

更新日期：2009-03-01 00:00:00

abstract：:To gain an insight into the relationship between UVB-carcinogenesis and natural killer activity, we examined ultraviolet light-induced carcinogenesis in mice with high natural killer, activity (KSN) and mice with natural killer deficiency (KSN-bg). We exposed mice six times a week to three levels of daily ultraviolet ...

journal_title：Journal of radiation research

authors： Ishigaki Y,Yasuda K,Hashimoto N,Hayakawa J,Hiai H,Nikaido O

更新日期：1998-06-01 00:00:00

abstract：:Chronic irradiation with low-dose-rate 137Cs-γ rays inhibits the differentiation of human neural progenitor cells and influences the expression of proteins associated with several cellular functions. We aimed to determine whether such chronic irradiation influences the expression of proteins associated with PC12 cells...

journal_title：Journal of radiation research

authors： Shinsuke K,Junya K,Tomonobu U,Yoshiko K,Izumo N,Takahiko S

更新日期：2017-11-01 00:00:00

abstract：:The radiation killing of tumor cells by ionizing radiation is best described by the linear-quadratic (LQ) model. Research into the underlying mechanisms of α- and β-inactivation has suggested that different molecular targets (DNA in different forms) and different microdosimetric energy deposits (spurs versus electron ...

journal_title：Journal of radiation research

authors： Chapman JD

更新日期：2014-01-01 00:00:00

abstract：:Massive release of radioactive materials into the atmosphere occurred due to the Fukushima Daiichi Nuclear Power Station (FDNPS) accident in March 2011. The World Health Organization (WHO) and the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) reported the results of dose estimation t...

journal_title：Journal of radiation research

authors： Miyatake H,Kawai M,Yoshizawa N,Suzuki G

更新日期：2020-03-23 00:00:00

abstract：:We evaluated the radiological response and clinical outcome in patients with femoral bone metastases after radiotherapy. 102 consecutive patients with femoral metastases without pathological fracture were treated by surgery or radiotherapy between 2002 and 2005. Twelve of them initially treated with surgery were exclu...

journal_title：Journal of radiation research

authors： Harada H,Katagiri H,Kamata M,Yoshioka Y,Asakura H,Hashimoto T,Furutani K,Takahashi M,Sakahara H,Nishimura T

更新日期：2010-01-01 00:00:00

abstract：:New precision radiotherapy (RT) techniques reduce the uncertainties in localizing soft and moving tumors. However, there are still many uncontrollable internal organ movements. In our study, patients who underwent neoadjuvant chemoradiotherapy (NA-CRT) for rectal cancer were evaluated to determine inter-fraction mesor...

journal_title：Journal of radiation research

authors： Alickikus ZA,Kuru A,Aydin B,Akcay D,Gorken IB

更新日期：2020-03-23 00:00:00