Applied Radiation and Isotopes This is an RSS file. You can use it to subscribe to this data in your favourite RSS reader or to display this data on your own website or blog.

JUNO high purity nitrogen plant
Appl Radiat Isot. 2024 Mar 21;208:111305. doi: 10.1016/j.apradiso.2024.111305. Online ahead of print.ABSTRACTThe Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kt low level radioactivity liquid scintillator detector in a laboratory 650 m underground. An excellent energy resolution and a large volume offer exciting opportunities for addressing many important topics in neutrino physics. High purity nitrogen is an important factor to ensure the low background of the JUNO detector. High Purity Nitrogen (HPN) is used for detector purging, pipe cleaning, and scintillator purification, among other things in JUNO. Accord...
Source: Applied Radiation and Isotopes - March 27, 2024 Category: Radiology Authors: Xin Ling Boxiang Yu Zhilong Hou Tao Hu Li Zhou Yongjun Yan Zhihang Zhu Xiao Cai Yayun Ding Jian Fang Junyu Shao Lijun Sun Xilei Sun Yuguang Xie Xiaohui Qi Haodong Zhang Source Type: research

Evaluation of 188 Re- IBA as a novel radiopharmaceutical for bone marrow ablation
In this study, Ibandronate as a third generation of bisphosphonates was labeled with rhenium-188 radionuclide. Production and quality control of 188Re-IBA radiopharmaceutical was investigated. The radiation absorbed dose of this radiopharmaceutical was evaluated for adult male based on biodistribution data in mice using the RADAR and Sparks and Aydogan methodologies. The 188Re-IBA was produced with more than 96% radiochemical purity. The highest value of %ID/g was related to bone with 7.11% at 12 h post-injection. About 48% of injected activity was cumulated on the surface of bone tissue 48 h post-injection. The imaging st...
Source: Applied Radiation and Isotopes - March 26, 2024 Category: Radiology Authors: Hassan Ranjbar Reza Bagheri Seyed-Milad Miremad Source Type: research

A study on the treatment of brain tumors with BNCT using several moderators with different thicknesses
Appl Radiat Isot. 2024 Mar 22;208:111303. doi: 10.1016/j.apradiso.2024.111303. Online ahead of print.ABSTRACTBoron neutron capture therapy (BNCT) is an effective binary radiation therapy that depends on nuclear capture reactions. In recent years, BNCT can be performed without a reactor owing to the development of accelerator-based neutron sources. A new BNCT irradiation facility is proposed, which is based on a 15 mA 2.5 MeV proton accelerator with a 100 μm thickness natural lithium target as a neutron converter. A great quantity of studies has shown that neutron beams with different spectra have unique therapeutic effect...
Source: Applied Radiation and Isotopes - March 26, 2024 Category: Radiology Authors: Yinan Zhu Zuokang Lin Haiyan Yu Xiaohan Yu Source Type: research

Efficient uptake of 85 Sr and 60 Co using fabricated inorganic sorbent for reducing radiation doses of simulated low-level waste
Appl Radiat Isot. 2024 Feb 28;208:111264. doi: 10.1016/j.apradiso.2024.111264. Online ahead of print.ABSTRACTThe present study investigated the sorption behavior of 85Sr and 60Co radionuclides from aqueous solutions onto tin molybdate (SnMo) sorbent. SnMo has been synthesized using the precipitation method and was characterized using four analytical techniques including FT-IR, XRD, SEM, and XRF. The sorption studies applied on 85Sr and 60Co include the effect of shaking time, pH, concentration, and saturation capacity. The experimental data revealed that the sorption process was carried out after equilibrium time (180 min)...
Source: Applied Radiation and Isotopes - March 26, 2024 Category: Radiology Authors: R M Maree N A Kotb M R Abass Source Type: research

Beta irradiation-induced thermoluminescence: Glow curve analysis and kinetic parameters in combustion-synthesized undoped Ca 4 YO(BO 3 ) 3 
This study examines the thermoluminescent (TL) properties of undoped Ca4YO(BO3)3 phosphor, focusing on how it behaves under a variety of experimental conditions. The IRSL-TL 565 nm was chosen as the appropriate detection filter among various optical detection filter combinations. During the preheating trials conducted at a rate of 2 °C/s, the TL peak exhibited increased intensity, particularly around 200 °C. The experimental outcomes demonstrated a reliable linear relationship (R2 = 0.996 and b = 1.015) in the dose response of undoped preheated Ca4YO(BO3)3 within the range of 1-200 Gy. The investigation encompasses a ran...
Source: Applied Radiation and Isotopes - March 24, 2024 Category: Radiology Authors: A Y Madkhli D A Jabali G Souadi M Sonsuz U H Kaynar S Ak ça-Özalp M Ayvacikli O Madkhali M Topaksu N Can Source Type: research

Independent isomeric yield ratios of fission products in the epi-cadmium neutron induced fission of 233 U
Appl Radiat Isot. 2024 Mar 20;208:111304. doi: 10.1016/j.apradiso.2024.111304. Online ahead of print.ABSTRACTThe independent isomeric yield ratios (IR) of 128,130,132Sb, 131,133Te, 132,134,136I, 135Xe and 138Cs have been measured in the epi-cadmium neutron induced fission of 233U by using an off-line gamma-ray spectrometric technique. The average neutron energy of the epi-cadmium reactor neutron spectrum is 1.9 MeV. The root mean square fragment angular momenta (JRMS) were deduced from the IR values by using spin dependent statistical model analysis. The IR and JRMS values of considered fission products in the epi-cadmium ...
Source: Applied Radiation and Isotopes - March 24, 2024 Category: Radiology Authors: H Naik R J Singh S P Dange W Jang Source Type: research

Comparative study of the impact of interpad nominal length on the onset of the charge multiplication in standard segmented LGAD with 2 p-stops and bias ring as isolated structures
We present an investigation of the interpad region (IP) in the Ultra-Fast Silicon Detector (UFSD) Type 10, utilizing a femtosecond laser and the transient current technique (TCT). We elucidate the isolation structure and measure the IP distance between pads, comparing it to the nominal value provided by the vendor. A comparison of sensors with identical layouts but different nominal IP distances (49 μm vs. 61 μm) and different processing parameters revealed their significant different charge collection properties in the IP.PMID:38518502 | DOI:10.1016/j.apradiso.2024.111288 (Source: Applied Radiation and Isotopes)
Source: Applied Radiation and Isotopes - March 22, 2024 Category: Radiology Authors: Gordana La štovička-Medin Jovana Doknic Ivona Bozovic Gregor Kramberger Tom áš Laštovička Jakob Andreasson Mateusz Rebarz Source Type: research

Study on induced radioactivity and individual dose evaluation in Gantry room for Varian ProBeam Proton Therapy System
This study focuses on systematically investigating the induced radioactivity in the gantry room during pencil beam scanning, utilizing both experimental measurements and Monte Carlo simulations. Results indicate that patients are the primary source of induced radioactivity, predominantly producing radionuclides such as 11C, 13N, and 15O. Long-term irradiation primarily generates radionuclides like 22Na, 24Na, and 54Mn etc. Additionally, this study estimates the individual doses received by medical workers in the gantry room, the irradiation dose for patient escorts, and the additional dose to patients from residual radiati...
Source: Applied Radiation and Isotopes - March 21, 2024 Category: Radiology Authors: Changli Luo Wuyuan Li Yang Li Xilong Han Bo Yang Youwu Su Shakhboz Khasanov Xuebo Liu Wang Mao Weiwei Yan Source Type: research