Contents
2022
Volume: 40 Issue 5
10 Article(s)

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Research Articles
Study on the degradation characteristics and pathway of torasemide in water via electron beam irradiation
Zhibo ZHANG, Haiyang SHAO, Lei CHEN, Chengkai MAO, Yingfei REN, and Gang XU
In this study, electron beam irradiation technology was used to degrade torasemide in an aqueous solution. By investigating the degradation effect, its influencing factors, and degradation products, the radiation degradation characteristics and possible degradation pathways of torasemide were systematically discussed.
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050201 (2022)
Short-term effects of high-concentration uranium pollution on soil enzyme activity and microbial metabolism in farmland soil
Sen HUANG, Xiaoming CHEN, Guyu ZHANG, Jiali HUANG, Lili ZHANG, and Yuxuan XU
To explore the short-term impact of uranium pollution on the microecology of farmland soil, this study investigated the activities of four enzymes involved in key soil processes (β-glucosidase, urease, phosphatase, and arylsulfatase) and analyzed the changes in microbial metabolic activity, carbon utilization capacity,
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050301 (2022)
Setup error and planning target volume boundary in foam-immobilized radiotherapy for breast cancer
Yuan CHENG, Zhenghuan LI, Youlin CHEN, and Suyu LI
Radiotherapy error in breast cancer mainly comprises setup error and respiratory breast motion. An accurate measurement of the setup error can provide a clinical reference for breast cancer planning target volume (PTV) expansion and improve treatment accuracy. Setup error rates were measured in 31 patients with breast
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050302 (2022)
Rectal and bladder dose prediction in volumetric modulated arc therapy for cervical cancer based on dose-volume histogram
Ping ZHENG, and Dong WANG
To predict rectal and bladder radiation doses during volumetric modulated arc therapy (VMAT) for cervical cancer, a relevant model was established to guide clinical practice. Forty-four cases of cervical cancer treated using VMAT radiotherapy were retrospectively analyzed. The positional relationships of the anatomical
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050303 (2022)
Dosimetric analysis of the Varian Edge accelerator for long-size tumor treatment
Weigui FENG, Yixiao GUO, Lijuan ZHANG, Hongyi CAI, and Wen DU
Among the cervical cancer treatments for patients with long-size tumors using the varian edge linear accelerator, we compared the newly designed plan (NewPlan) with the AutoPlan, which was automatically generated by the treatment planning system, and explored the dosimetric difference between the two plans for a more b
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050304 (2022)
Effect of electron beam irradiation treatment on the in vitro digestibility and structure of egg white protein powder
Mengling HUANG, and Yun LIU
This article reports the digestibility, antioxidant activity, and protein structure of treated egg white protein powder (EWP) after pretreatment with electron beam irradiation (EBI) at doses of 5-100 kGy. The results revealed that EWP exhibited excellent in vitro digestibility under the tested EBI dose conditions. Afte
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050401 (2022)
Effect of electron beam irradiation sterilization on the Tibetan medicine Bawei Chenxiang powder
Jizhuoga DE, Wei WANG, Jicuomu DE, Lei TIAN, Liqiong LAN, Hao CHEN, Qun SUN, and Peng GAO
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050402 (2022)
Safety assessment of electromagnetic exposure of walk-through metal detectors operating at 6.48 kHz
Weijiang BAI, and Mai LU
This study aims to evaluate the safety of electromagnetic exposure of passers-by (adults and children) in the electromagnetic environment of walk-through metal detectors operating at 6.48 kHz. The magnetic induction intensity and induced electric field intensity in a human model were calculated using COMSOL simulation
  • Publication Date: Oct. 20, 2022
  • Vol. 40 Issue 5 050601 (2022)