Development of reflective type digital cell irradiation system based on carbon nanotube for biological research of low-dose radiation

Hanna Lee; Jinho Choi; Amar Prasad Gupta; Jaeik Jung; Jaekyu Jang; Kyung-Sik Yoon; Jehwang Ryu

doi:10.1117/12.2655840

7 April 2023 Development of reflective type digital cell irradiation system based on carbon nanotube for biological research of low-dose radiation

Hanna Lee, Jinho Choi, Amar Prasad Gupta, Jaeik Jung, Jaekyu Jang, Kyung-Sik Yoon, Jehwang Ryu

Author Affiliations +

Proceedings Volume 12463, Medical Imaging 2023: Physics of Medical Imaging; 124634M (2023) https://doi.org/10.1117/12.2655840
Event: SPIE Medical Imaging, 2023, San Diego, California, United States

Conference Poster

Abstract

We designed and developed a carbon nanotube (CNT)-based reflective digital cell irradiation system capable of irradiating cells. The chemical and physical properties of the CNT synthesized directly on the patterned substrate were confirmed, and the field emission characteristics with a maximum anode current of 10 mA were evaluated through the I-V curve. Also, electrostatic simulation was conducted to confirm the electric field distribution and the electron beam trajectory. According to the duty (27.3 mGy at anode on time 10 sec, duty 50 %), the anode voltage (25.2 mGy at anode on time 10 sec, duty 50 %, anode voltage 40 kV) and the distance between the window and the cell stage (anode on time 10 sec, duty 50%, anode voltage 40 kV, 19.4 mGy), the function of the system was verified by obtaining the dose emitted from the system. This study confirmed that it is suitable as the cell irradiation system for studying the radiobiological effects of low-dose radiation-irradiated cells.

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Hanna Lee, Jinho Choi, Amar Prasad Gupta, Jaeik Jung, Jaekyu Jang, Kyung-Sik Yoon, and Jehwang Ryu "Development of reflective type digital cell irradiation system based on carbon nanotube for biological research of low-dose radiation", Proc. SPIE 12463, Medical Imaging 2023: Physics of Medical Imaging, 124634M (7 April 2023); https://doi.org/10.1117/12.2655840

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