Design of CNT-based electron microbeam cell irradiation system for low-dose radiobiology research

Hanna Lee; Jinho Choi; Amar Prasad Gupta; Jaeik Jung; Jaekyu Jang; Moonkyoo Kong; Yeong Heum Yeon; Moon Shik Chae; Byeong-No Lee; Shalini Rajpoot; Kyung-Sik Yoon; Jehwang Ryu

doi:10.1117/12.2613347

4 April 2022 Design of CNT-based electron microbeam cell irradiation system for low-dose radiobiology research

Hanna Lee, Jinho Choi, Amar Prasad Gupta, Jaeik Jung, Jaekyu Jang, Moonkyoo Kong, Yeong Heum Yeon, Moon Shik Chae, Byeong-No Lee, Shalini Rajpoot, Kyung-Sik Yoon, Jehwang Ryu

Author Affiliations +

Proceedings Volume 12031, Medical Imaging 2022: Physics of Medical Imaging; 120314I (2022) https://doi.org/10.1117/12.2613347
Event: SPIE Medical Imaging, 2022, San Diego, California, United States

Conference Poster

Abstract

Radiation research primarily aims to improve radiation therapy and the use of radiation on soft materials. There are many reports available on the effects of high-dose radiation on cells, but the effects of low-dose radiation still require much scientific evidence. Therefore, we intend to study the effects of low-dose irradiation on cell internal structures by cold cathode field emission carbon nanotube (CNT)-based cell irradiator. Hence, we designed a CNT-based microbeam system to irradiate cells. CNT emitter was fabricated by synthesizing CNTs on point shaped substrate. The growth of CNTs was confirmed by scanning electron microscope (SEM). The aging process was carried out to improve the performance of the CNT emitter and the I-V characteristic was measured. We also conducted the simulation study in order to confirm the electric field change and the electron beam trajectory.

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Hanna Lee, Jinho Choi, Amar Prasad Gupta, Jaeik Jung, Jaekyu Jang, Moonkyoo Kong, Yeong Heum Yeon, Moon Shik Chae, Byeong-No Lee, Shalini Rajpoot, Kyung-Sik Yoon, and Jehwang Ryu "Design of CNT-based electron microbeam cell irradiation system for low-dose radiobiology research", Proc. SPIE 12031, Medical Imaging 2022: Physics of Medical Imaging, 120314I (4 April 2022); https://doi.org/10.1117/12.2613347

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