Dosimetric study of GZP6 <sup>60</sup>Co high dose rate brachytherapy source

Qin, Lei; Xu, Anjian; Gou, Chengjun; Wen, Yumei; He, Dong; Wu, Junxiang; Hou, Qing; Wu, Zihao

doi:10.1002/acm2.12362

Cited by 3 publications

(2 citation statements)

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“…The GZP3 and GZP6 60 Co HDR afterloading systems, manufactured by the Nuclear Power Institute of China (NPIC), are widely used at home and abroad. Several studies have been performed on the GZP 60 Co source [7][8][9], including the GZP3 and GZP6 models. The dosimetric data for GZP6 60Co source number 3 were obtained by Lei et al [7] using Monte Carlo (MC)-based dosimetry.…”

Section: Introductionmentioning

confidence: 99%

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Monte Carlo dosimetry of the 60Co sources of a new GZP3 HDR afterloading system

Kang

Wang

et al. 2023

Radiat Oncol

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Background The purpose of this work was to obtain the dosimetric parameters of the new GZP3 60Co high-dose-rate afterloading system launched by the Nuclear Power Institute of China, which is comprised of two different 60Co sources. Methods The Monte Carlo software Geant4 and EGSnrc were employed to derive accurate calculations of the dosimetric parameters of the new GZP3 60Co brachytherapy source in the range of 0–10 cm, following the formalism proposed by American Association of Physicists in Medicine reports TG43 and TG43U1. Results of the two Monte Carlo codes were compared to verify the accuracy of the data. The source was located in the center of a 30-cm-radius theoretical sphere water phantom. Results For channels 1 and 2 of the new GZP3 60Co afterloading system, the results of the dose-rate constant (Λ) were 1.115 cGy h−1 U−1 and 1.112 cGy h−1 U−1, and for channel 3 they were 1.116 cGy h−1 U−1 and 1.113 cGy h−1 U−1 according to the Geant4 and EGSnrc, respectively. The radial dose function in the range of 0.25–10.0 cm in a longitudinal direction was calculated, and the fitting formulas for the function were obtained. The polynomial function for the radial dose function and the anisotropy function (1D and 2D) with a $$\uptheta$$ θ of 0°–175° and an r of 0.5–10.0 cm were obtained. The curves of the radial function and the anisotropy function fitted well compared with the two Monte Carlo software. Conclusion These dosimetric data sets can be used as input data for TPS calculations and quality control for the new GZP3 60Co afterloading system.

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Section: Introductionmentioning

confidence: 99%

“…Several studies have been performed on the GZP 60 Co source [7][8][9], including the GZP3 and GZP6 models. The dosimetric data for GZP6 60Co source number 3 were obtained by Lei et al [7] using Monte Carlo (MC)-based dosimetry. Wang et al [9] calculated the dosimetric data for the GZP3 60Co source using the MC simulation, EGSnrc.…”

Section: Introductionmentioning

confidence: 99%

Monte Carlo dosimetry of the 60Co sources of a new GZP3 HDR afterloading system

Kang

Wang

et al. 2023

Radiat Oncol

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Dosimetry procedure to verify dose in High Dose Rate (HDR) brachytherapy treatment of cancer patients: A systematic review

et al. 2022

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Improving Student Learning Outcomes Through Stem-Based Magic Box Medium in The Concept of Addition Theory

Twiningsih¹

2020

ijrse

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The objective of the study is to determine the improvement of student learning outcomes through the media Magic Box (Magic Box) Based on STEM (Science, Technology, Engineering, Mathematics) on the concept of addition. The subject of the research was class I students in one of the Public Elementary Schools in Surakarta City Semester I of 2018/2019 Academic Year as many as 24 students, consisting of 7 male students and 17 female students. The method of the study was Classroom Action Research (CAR) with patterns: planning, implementing, observing, reflecting, and revising. The data were collected by using discussion, observation, tests, field notes, and documentation. Based on the results of the study, it was found that student learning outcomes had increased from cycle I to cycle II. The cycle I was 70.83%, and cycle II was 91.66%. The conclusion of the study is by using instructional media teaching aids Magic Box (Magic Box) Based on STEM (Science, Technology, Engineering, Mathematics) on the concept of addition theory can improve student learning outcomes in first-grade elementary schools in Surakarta City Semester I in the Academic Year of 2018/2019.

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Dosimetric study of GZP6 ⁶⁰Co high dose rate brachytherapy source

Cited by 3 publications

References 19 publications

Monte Carlo dosimetry of the 60Co sources of a new GZP3 HDR afterloading system

Monte Carlo dosimetry of the 60Co sources of a new GZP3 HDR afterloading system

Dosimetry procedure to verify dose in High Dose Rate (HDR) brachytherapy treatment of cancer patients: A systematic review

Improving Student Learning Outcomes Through Stem-Based Magic Box Medium in The Concept of Addition Theory

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Dosimetric study of GZP6 60Co high dose rate brachytherapy source

Cited by 3 publications

References 19 publications

Monte Carlo dosimetry of the 60Co sources of a new GZP3 HDR afterloading system

Monte Carlo dosimetry of the 60Co sources of a new GZP3 HDR afterloading system

Dosimetry procedure to verify dose in High Dose Rate (HDR) brachytherapy treatment of cancer patients: A systematic review

Improving Student Learning Outcomes Through Stem-Based Magic Box Medium in The Concept of Addition Theory

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Dosimetric study of GZP6 ⁶⁰Co high dose rate brachytherapy source