Zobrazeno 1 - 10
of 307
pro vyhledávání: '"Chan Hyeong Kim"'
Autor:
Sungho Moon, Haegin Han, Chansoo Choi, Bangho Shin, Gahee Son, Hyeonil Kim, Suhyeon Kim, Jaehyo Kim, In Gyu Yoon, Kyung Hwan Lee, Chan Hyeong Kim
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 12, Pp 5428-5436 (2024)
The exposure devices utilizing high-activity gamma radiation sources for industrial radiography frequently encounter issues such as stuck or disconnected sources, posing a substantial risk of radiation exposure to the workers executing emergency sour
Externí odkaz:
https://doaj.org/article/f3bacac2c1b54faaa80af4dbed2925cc
Autor:
Suhyeon Kim, Bangho Shin, Chansoo Choi, Hyeonil Kim, Sangseok Ha, Beom Sun Chung, Haegin Han, Sungho Moon, Gahee Son, Jaehyo Kim, Ji Won Choi, Chan Hyeong Kim, Yeon Soo Yeom
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 8, Pp 3210-3223 (2024)
International Commission on Radiological Protection (ICRP) recently developed the adult and pediatric mesh-type reference computational phantoms (MRCPs) in high-quality/fidelity mesh format, featuring high deformability into various body sizes and po
Externí odkaz:
https://doaj.org/article/1890d764d8e544259a702b5381b08e7a
Autor:
Bangho Shin, Chansoo Choi, Rui Qiu, Suhyeon Kim, Hyeonil Kim, Sungho Moon, Gahee Son, Jaehyo Kim, Haegin Han, Yeon Soo Yeom, Chan Hyeong Kim
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 6, Pp 2195-2207 (2024)
To enhance skeletal dosimetry in conjunction with the adult mesh-type reference Korean phantoms (MRKPs), Korean/Asian photon fluence-to-skeletal dose response functions (DRFs) were established utilizing an updated version of micro-CT-based detailed b
Externí odkaz:
https://doaj.org/article/c9a54b6c397c42a1b5b2424f3f37bfa0
Autor:
Soo Min Lee, Chansoo Choi, Ji Won Choi, Chul Hee Min, Seulki Ko, Bangho Shin, Chan Hyeong Kim, Yeon Soo Yeom
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 6, Pp 2247-2257 (2024)
To investigate the impact of the recently released pediatric reference voxel phantoms (0-, 1-, 5-, 10-, 15-year-old males and females) of the International Commission on Radiological Protection (ICRP) on organ dose estimates for radioactive iodine (R
Externí odkaz:
https://doaj.org/article/30610111915d4d6d83bdf6498f6138e1
Publikováno v:
Journal of Chest Surgery, Vol 56, Iss 6, Pp 445-448 (2023)
A 25-year-old man returned to Seoul National University Children’s Hospital with mild dyspnea on exertion. He had undergone an arterial switch operation at 1 month after birth to correct a complete transposition of the great arteries and a ventri
Externí odkaz:
https://doaj.org/article/cc42e0d4075c46c6a499e49eef448c1f
Autor:
Youngmo Ku, Sehoon Choi, Jaeho Cho, Sehyun Jang, Jong Hwi Jeong, Sung Hun Kim, Sungkoo Cho, Chan Hyeong Kim
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 9, Pp 3140-3149 (2023)
In theory, the sharp dose falloff at the distal end of a proton beam allows for high conformal dose to the target. However, conformity has not been fully achieved in practice, primarily due to beam range uncertainty, which is approximately 4% and var
Externí odkaz:
https://doaj.org/article/24d989e2f6884c76bbf0505d66c3d7b8
Autor:
Yeon Soo Yeom, Chansoo Choi, Bangho Shin, Suhyeon Kim, Haegin Han, Sungho Moon, Gahee Son, Hyeonil Kim, Thang Tat Nguyen, Beom Sun Chung, Se Hyung Lee, Chan Hyeong Kim
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 12, Pp 4698-4707 (2022)
As part of the ICRP Task Group 103 project, we developed ten thyroid models for the pediatric mesh-type reference computational phantoms (MRCPs). The thyroid is not only a radiosensitive target organ needed for effective dose calculation but an impor
Externí odkaz:
https://doaj.org/article/87140c99960b43078ac2cacf6ac03ba2
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 9, Pp 3422-3428 (2022)
The prompt gamma imaging (PGI) technique is considered as one of the most promising approaches to estimate the range of proton beam in the patient and unlock the full potential of proton therapy. In the PGI technique, a dedicated algorithm is require
Externí odkaz:
https://doaj.org/article/c1325f0ac8504d99bb62aabb4253d17e
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 6, Pp 2213-2220 (2022)
The maximum dose delivery at the end of the beam range provides the main advantage of using proton therapy. The range of the proton beam, however, is subject to uncertainties, which limit the clinical benefits of proton therapy and, therefore, accura
Externí odkaz:
https://doaj.org/article/8fecc400b64d405e8c734ba25172b018
Publikováno v:
Journal of Chest Surgery, Vol 55, Iss 3, Pp 189-196 (2022)
Background: This study investigated the predictive value of the frailty index calculated using laboratory data and vital signs (FI-L) in patients who underwent coronary artery bypass grafting (CABG). Methods: This study included 508 patients (age
Externí odkaz:
https://doaj.org/article/c0cd437f31c34ff1929529640dd50eb6