Results 61 to 70 of about 25,566 (154)

Development and validation of cost-effective multi-sample hypoxia chambers for proton ultra-high dose rate organoid irradiations

Clinical and Translational Radiation Oncology
The tissue sparing of ultra-high dose rate irradiation has been partially observed in vitro while controlling oxygen levels. Here, we developed a hypoxia system for high-throughput irradiations that accommodates embedded 3D cultures, such as organoids ...
Rutger Jan Cornelis de Koster, Jeremy Putra Gunawan, Hans Peters, Johan Bussink, Lara Barazzuol, Marc-Jan van Goethem, Alexander Gerbershagen, Robert Paul Coppes, Stefan Both   +8 more
doaj   +1 more source

Effects of ionizing radiation on CCD's [PDF]

The effects of 1.2 MeV gamma radiation and 20 MeV electrons on the operational characteristics of CCDs are studied. The effects of ionizing radiation on the charge transfer efficiency, dark current, and input/output circuitry are described.
Collins, D. R., Hartsell, G. A., Robinson, D. A.   +2 more
core   +1 more source

埼玉医科大学病院における前立腺癌に対する高線量率組織内照射の経験 [PDF]

, 2006
　We started radical radiotherapy for prostatic carcinoma since October 2003 besides surgical prostatectomy. The modality of radiotherapy was high dose rate brachytherapy(HDR) with external beam radiation therapy(EBRT).
上野 宗久, 中平 洋子, 内野 三菜子, 出口 修宏, 吉村 一良, 土器屋 卓志, 塚本 拓司, 矢内原 仁, 関根 広, 黒田 功   +9 more
core  

Low-dose-rate induces more severe cognitive impairment than high-dose-rate in rats exposed to chronic low-dose γ-radiation

Frontiers in Public Health
BackgroundOwing to the long penetration depth of gamma (γ)-rays, individuals working in ionizing radiation environments are chronically exposed to low-dose γ-radiation, resulting in cognitive changes.
Tianbao Ma, Tianbao Ma, Kexian Li, Wenjuan Sang, Xingyu Liu, Qun Luo, Ye Peng, Mingxing Wang, Xiu Luo, Jingjing Fang, Haijun Wang, Tao Wang, Changjing Zuo, Changjing Zuo   +13 more
doaj   +1 more source

Unexpected lower biochemical control of high-dose-rate brachytherapy boost than low-dose-rate brachytherapy boost for clinically localized prostate cancer

Clinical and Translational Radiation Oncology, 2020
Hideya Yamazaki, Koji Masui, Gen Suzuki, Ken Yoshida   +3 more
doaj   +1 more source

Monte Carlo modeling of ⁶⁰ Co HDR brachytherapy source in water and in different solid water phantom materials

Journal of Medical Physics, 2010
The reference medium for brachytherapy dose measurements is water. Accuracy of dose measurements of brachytherapy sources is critically dependent on precise measurement of the source-detector distance.
Sahoo S, Selvam T, Vishwakarma R, Chourasiya G   +3 more
doaj  

Evaluation of Low Dose Rate Sensitivity in Discrete Bipolar Junction Transistors [PDF]

We evaluate the low dose rate sensitivity in several families of discrete bipolar transistors across device parameter, quality assurance level, and irradiation bias configuration.
Chen, Dakai, Forney, James, Kazmakites, Tony, LaBel, Kenneth, Ladbury, Raymond, Pease, Ronald, Topper, Alyson, Triggs, Brian   +7 more
core   +1 more source

Adjuvant high dose rate brachytherapy for soft tissue sarcomas: initial experience report

Journal of Contemporary Brachytherapy, 2011
Purpose: Adjuvant high-dose-rate brachytherapy (HDRBT) offers advantages over low dose rate brachytherapy (LDRBT), although there are little data on local tumor control and treatment related toxicity. We report outcome in patients with primary, recurrent,
Robert Whitfield, Dian Wang, Donald Hackbarth, David King, Sara H. Kleinman, Jason Rownd, Julie A. Bradley   +6 more
doaj  

Effects of ultra-high dose rate radiotherapy with different fractions and dose rate on acute and chronic lung injury in mice

Heliyon
Ultra-high dose rate radiotherapy (FLASH radiation) can naturally render normal tissues around the tumor tissue resistant to radiotherapy. In contrast, the tumor tissue remains sensitive to radiation under the same conditions.
Feng Gao, Binwei Lin, Yiwei Yang, Dexin Xiao, Zheng Zhou, Yu Zhang, Gang Feng, Jie Li, Dai Wu, Xiaobo Du, Qiuling Shi   +10 more
doaj   +1 more source

Use of Gold Markers for Setup in Image-Guided Fractionated High-Dose-Rate Brachytherapy as a Monotherapy for Prostate Cancer [PDF]

, 2018
Background and Purpose: : In order to use a single implant with one treatment plan in fractionated high-dose-rate brachytherapy (HDR-B), applicator position shifts must be corrected prior to each fraction. The authors investigated the use of gold markers
Aebersold, Daniel, Behrensmeier, Frank, Ghadjar, Pirus, Gwerder, Nicole, Madlung, Axel, Mini, Roberto, Thalmann, George   +6 more
core