Search Results - "Do Choi, Hyung"

Factors Affecting Risk Perception of Electromagnetic Waves From 5G Network Base Stations by Koh, Tae Hwan, Choi, Jae Wook, Seo, Myungsoon, Choi, Hyung‐Do, Kim, KyungHee

“…The coverage of the fifth‐generation network has increased steadily since the network was introduced in 2019. However, public protests around the globe against…”
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Activation of matrix metalloproteinases and FoxO3a in HaCaT keratinocytes by radiofrequency electromagnetic field exposure by Kim, Ju Hwan, Kang, Dong-Jun, Bae, Jun-Sang, Lee, Jai Hyuen, Jeon, Sangbong, Choi, Hyung-Do, Kim, Nam, Kim, Hyung-Gun, Kim, Hak Rim

“…As the skin is the largest body organ and critically serves as a barrier, it is frequently exposed and could be physiologically affected by radiofrequency…”
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Inhibition of Colony-Stimulating Factor 1 Receptor by PLX3397 Prevents Amyloid Beta Pathology and Rescues Dopaminergic Signaling in Aging 5xFAD Mice by Son, Yeonghoon, Jeong, Ye Ji, Shin, Na-Rae, Oh, Se Jong, Nam, Kyung Rok, Choi, Hyung-Do, Choi, Jae Yong, Lee, Hae-June

“…Alzheimer's disease (AD) is a progressive neurodegenerative disease. In this study, to investigate the effect of microglial elimination on AD progression, we…”
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EMF Levels in 5G New Radio Environment in Seoul, Korea by Lee, Ae-Kyoung, Jeon, Sang-Bong, Choi, Hyung-Do

“…This paper reports the electromagnetic field (EMF) exposure levels from fifth generation (5G) services. Three mobile operators in South Korea launched the…”
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Proposed Safety Guidelines for Patient Assistants in an Open MRI Environment by Oh, Sukhoon, Hong, Seon-Eui, Choi, Hyung-Do

“…The wide-open side of an open magnetic resonance imaging (MRI) system allows a patient to easily contact the patient assistant during MRI scans. A…”
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Biological Effects of Exposure to a Radiofrequency Electromagnetic Field on the Placental Barrier in Pregnant Rats by Kim, Hye Sun, Choi, Hyung‐Do, Pack, Jeong‐Ki, Kim, Nam, Ahn, Young Hwan

“…The placenta protects the fetus against excessive stress‐associated maternal cortisol during pregnancy. We studied whether exposure to radiofrequency…”
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An Out-of-Phase Wireless Power Transfer System for Implantable Medical Devices to Reduce Human Exposure to Electromagnetic Field and Increase Power Transfer Efficiency by Ahn, Jangyong, Woo, Seongho, Kim, Haerim, Song, Kyunghwan, Huh, Sungryul, Hong, Seon-Eui, Kim, Jedok, Choi, Hyung-Do, Ahn, Seungyoung

“…For the wireless power transfer (WPT) system in implantable medical devices (IMDs), human tissue is positioned between the transmitting and receiving coils…”
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Impact of Long-Term RF-EMF on Oxidative Stress and Neuroinflammation in Aging Brains of C57BL/6 Mice by Jeong, Ye Ji, Son, Yeonghoon, Han, Na-Kyung, Choi, Hyung-Do, Pack, Jeong-Ki, Kim, Nam, Lee, Yun-Sil, Lee, Hae-June

“…The expansion of mobile phone use has raised questions regarding the possible biological effects of radiofrequency electromagnetic field (RF-EMF) exposure on…”
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Improved Calculation Method of Coupling Factors for Low-Frequency Wireless Power Transfer Systems by Ahn, Jangyong, Hong, Seon-Eui, Kim, Haerim, Song, Kyunghwan, Choi, Hyung-Do, Ahn, Seungyoung

“…The concept of a coupling factor was introduced in International Electrotechnical Commission (IEC) 62311 and 62233 to provide a product safety assessment that…”
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Effects of intermediate frequency electromagnetic fields: a review of animal studies by Lee, Hae-June, Jin, Hee, Ahn, Young Hwan, Kim, Nam, Pack, Jeong Ki, Choi, Hyung-Do, Lee, Yun-Sil

“…Many novel devices such as induction cookers or wireless power transfer produce electromagnetic fields (EMFs) in the intermediate frequency (IF) range (300 Hz…”
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Classification of Research Papers on Radio Frequency Electromagnetic Field (RF-EMF) Using Graph Neural Networks (GNN) by Jang, Youngsun, Won, Kwanghee, Choi, Hyung-do, Shin, Sung Y.

“…This study compares the performance of graph convolutional neural network (GCN) models with conventional natural language processing (NLP) models for…”
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Mobile Phone Use and Time Trend of Brain Cancer Incidence Rate in Korea by Choi, Kyung‐Hwa, Ha, Johyun, Bae, Sanghyuk, Lee, Ae‐Kyoung, Choi, Hyung‐Do, Ahn, Young Hwan, Ha, Mina, Joo, Hyunjoo, Kwon, Ho‐Jang, Jung, Kyu‐Won

“…This study evaluated the time trends in mobile phone subscriber number by mobile network generation (G) and brain cancer incidence by type in Korea. We…”
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Estimation of Power Density Radiated From Radio Base Station for Telecommunication Services by Kwon, DukSoo, Lee, Young Seung, Lee, Ae-Kyoung, Choi, Hyung-Do

“…In this article, a simple formula for estimating the power density from a base station for a compliance assessment is proposed. One of the most popular methods…”
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Effect of Exposure to a Radiofrequency Electromagnetic Field on Body Temperature in Anesthetized and Non‐Anesthetized Rats by Kim, Hye Sun, Lee, Yu Hee, Choi, Hyung‐Do, Lee, Ae‐Kyoung, Jeon, Sang Bong, Pack, Jeong‐Ki, Kim, Nam, Ahn, Young Hwan

“…Exposure to a radiofrequency (RF) signal at a specific absorption rate (SAR) of 4 W/kg can increase the body temperature by more than 1 °C. In this study, we…”
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Estimation of RF and ELF dose by anatomical location in the brain from wireless phones in the MOBI-Kids study by Calderón, Carolina, Castaño-Vinyals, Gemma, Maslanyj, Myron, Wiart, Joe, Lee, Ae-Kyoung, Taki, Masao, Wake, Kanako, Abert, Alex, Badia, Francesc, Hadjem, Abdelhamid, Kromhout, Hans, de Llobet, Patricia, Varsier, Nadège, Conil, Emmanuelle, Choi, Hyung-Do, Sim, Malcolm R., Cardis, Elisabeth

“…[Display omitted] •Epidemiological studies on mobile phone radiation typically rely on phone use history.•MOBI-Kids is the first study to estimate RF and ELF…”
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Brain SAR of average male Korean child to adult models for mobile phone exposure assessment by Lee, Ae-Kyoung, Park, Jin Seo, Hong, Seon-Eui, Taki, Masao, Wake, Kanako, Wiart, Joe, Choi, Hyung-Do

“…This paper aims to implement average head models of Korean males and investigate age-related differences in the brain for exposure from radiation from mobile…”
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Brain EM Exposure for Voice Calls of Mobile Phones in Wireless Communication Environment of Seoul, Korea by Lee, Ae-Kyoung, Choi, Hyung-Do

“…The aim of this paper is to present the measurement results of the transmitted (Tx) power levels of mobile phones in currently operating wireless communication…”
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An In Vitro Experimental System for 5G 3.5 GHz Exposures by Lee, Young Seung, Jeon, Sang Bong, Pack, Jeong-Ki, Kim, Nam, Choi, Hyung-Do

“…In this study, an in vitro experimental system is developed for fifth-generation (5G) 3.5 GHz exposures. A radial transmission line (RTL) housed in an…”
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RF Exposure Assessment for Various Poses of Patient Assistant in Open MRI Environment by Hong, Seon-Eui, Oh, Sukhoon, Choi, Hyung-Do

“…In this study, the radio-frequency (RF) energy exposure of patient assistants was assessed for an open magnetic resonance imaging (MRI) system based on…”
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Effects of Electromagnetic Waves with LTE and 5G Bandwidth on the Skin Pigmentation In Vitro by Kim, Kyuri, Lee, Young Seung, Kim, Nam, Choi, Hyung-Do, Kang, Dong-Jun, Kim, Hak Rim, Lim, Kyung-Min

“…With the rapid growth of wireless communication devices, the influences of electromagnetic fields (EMF) on human health are gathering increasing attention…”
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