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TOWARD NEXT GENERATION SOLAR CORONAGRAPH: DEVELOPMENT OF COMPACT DIAGNOSTIC CORONAGRAPH ON ISS
Kyungsuk Cho,Suchan Bong,Seonghwan Choi,Heesu Yang,Jihun Kim,Jihye Baek,Jongyeob Park,Eun-Kyung Lim,Rok-Soon Kim,Sujin Kim,Yeon-Han, Kim,Young-Deuk Park,S.W. Clarke,J.M. Davila,N. Gopalswamy,V. M. Nak 한국천문학회 2017 天文學會報 Vol.42 No.2
혐오적 상황에 따른 쥐의 초음파 발성에 관한 문헌적 고찰
김다혜 ( Da Hye Kim ),장수찬 ( Suchan Chang ),이봉효 ( Bong-hyo Lee ),김희영 ( Hee Young Kim ) 대구한의대학교 제한동의학술원 2016 東西醫學 Vol.41 No.3
Objectives:Ultrasonic vocalizations (USVs) may present the emotional states in rats. Especially, 22kHz USVs have been elicited in negative emotion and aversive state. In this paper reviews previous studies concerned about the correlation between 22kHz Ultrasonic vocalization and various aversive states. Methods:We searched several previous literatures, research and review articles including keywords of ‘ultrasonic vocalization’ , ‘drug’ , ‘withdrawal’ or ‘pain’ in Pubmed and reviewed. Results and Conclusions: 1. In the 8 papers reviewed in this paper, recognized experimental rat produced 22-kHz USV calls in the followed 3 different aversive condition. 2. Rats produced 22-kHz USV calls in the withdrawal of drug, fear conditioning and chronic pain. The 22-kHz USV calls divided two different patterns which short and long 22-kHz USVs in the withdrawal of drug. Moreover rats appeared 22-kHz USV calls with the anxiety and depressive like behavior in the aversive condition.
Chromospheric Transient Brightenings associated with Canceling Magnetic Features
박소영,채종철,박성홍,봉수찬,Park, Soyoung,Chae, Jongchul,Park, Sunghong,Bong, Suchan 한국천문학회 2012 天文學會報 Vol.37 No.2
Canceling magnetic features (CMFs) are likely to be a result of magnetic reconnection in the lower atmosphere of the Sun. CMFs are related with chromospheric phenomena such as brightening or jets. In order to observe the fine-scale and highly dynamical structures in the chromospheres, Fast Imaging Solar Spectrograph (FISS) was developed and installed at 1.6 m New Solar Telescope at Big Bear Solar Observatory. Using this FISS data we have studied chromospheric brightenings associated with CMFs. As a result, the chromospheric brightenings related with CMFs have stronger shock waves than one of other regions such as internetwork regions or unipolar magnetic elements
Neuropeptides SP and CGRP Underlie the Electrical Properties of Acupoints
Fan, Yu,Kim, Do-Hee,Ryu, Yeonhee,Chang, Suchan,Lee, Bong Hyo,Yang, Chae Ha,Kim, Hee Young Frontiers Media S.A. 2018 Frontiers in neuroscience Vol.12 No.-
<P>Electrical skin measurements at acupuncture points (acupoints) have been utilized as a diagnostic and therapeutic aid for more than 50 years. Although acupoints are described as having distinct electrical properties, such as high conductance and low impedance, the underlying mechanisms are currently unknown. The present study investigated in a rat model of hypertension whether the high conductance at acupoints is a result of the release of the neuropeptides substance P (SP) and calcitonin gene-related peptide (CGRP) during neurogenic inflammation in the referred pain area. When plasma extravasation from neurogenic inflammation was examined by exploring the leakage of intravenously injected Evans blue dye (EBD) to the skin, extravasated EBD was found most frequently in acupoints on the wrist. The increased conductance and temperature at these acupoints occurred during the development of hypertension. The increase in conductance and plasma extravasation at acupoints in hypertensive rats was ablated by cutting median and ulnar nerves, blocking small diameter afferent fibers with resiniferatoxin (RTX) injection into median and ulnar nerves, or antagonizing SP or CGRP receptors in acupoints. In turn, intradermal injection of SP or CGRP resulted in increased conductance and plasma extravasation in naïve rats. Elevated levels of SP and CGRP were found in the acupoints of hypertensive rats. These findings suggest that the high conductance at acupoints is due to vascular leakage following local release of SP and CGRP during neurogenic inflammation.</P>