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양창섭,김영은,김익태,송미영 한약정보연구회 2015 한약정보연구회지 Vol.3 No.2
This study aimed to provide current information on combined use of chinese patent medicines (CPM) and antihypertensive agents. Clinical articles were searched with China National Knowledge Infrastructure (CNKI). Primary keywords were 81 antihypertensive agents permitted in Korea. Secondary keywords were 59 chinese patent medicines which have effect on lowering blood pressure. Search queries made of combined keywords were processed. Searched articles were analyzed as study designs, diagnostic standards, blood pressure measurements, adverse events and interactions. Sixty-one articles of randomized trials (n=43), non-randomized trials (n=3) and case studies (n=15) were selected. Total 42 pairs among 15 antihypertensive agents and 17 chinese patent medicines were analyzed. Seven global or domestic guidelines were adopted to diagnose hypertension and 9 tools were used to assess effectiveness. Severe adverse events were reported from hydrochlorothiazide with zhenju jiangya-pian (珍菊降压片) or jiangya bifeng-pian (降压避風片), captopril with songling xuemaikang-jiaonang (松齡血脈康膠囊) and nifedipine with fubang danshen-diwan (复方丹参滴丸). Combined use of antihypertensive drugs and chinese patent medicines can cause various clinical conditions. Healthcare professionals also patients and caregivers should be informed of herb-drug interaction risk and safety.
마황복용이 정상성인의 체중 감소와 심박변이도에 미치는 영향에 관한 예비 연구: 무작위배정 이중맹검시험
양창섭,형례창,여진주,서의석,장인수,Yang, Chang-Sop,Hsing, Li-Chang,Yeo, Jin-Ju,Seo, Eui-Seok,Jang, In-Soo 대한한방내과학회 2006 大韓韓方內科學會誌 Vol.27 No.4
Background: Mahuang (Ephedra sinica STAPF) is well known as an herbal medicine and has been widely used to reduce body weight and increase athletic ability. However, as a result of reporting many cases of adverse effects on the cardiovascular system, use of dietary supplements containing ephedra was prohibited by the FDA. Objectives : The object of this study was to find the effectiveness of ephedra on weight loss without severe adverse effect. Methods : 16 healthy volunteers consisting of an ephedra group (N=8) and a placebo group (N=8) were investigated. Study form was a randomized, controlled, double-blind clinical trial. The ephedra group took 12g of ephedra while the placebo group took 12g of glutinous rice powder. Both groups were measured with BCA (body composition analysis) on weight loss and with HRV (heart rate variability) on its adverse effect before and after medication. Results : The following results were obtained after taking 12g of ephedra for 14 days. In the ephedra group, body weight reduced significantly. In the placebo group, there were no significant differences of body weight between before and after placebo treatment. There was a slight increase of heart beat rate and deactivation of cardiac activity. Parasympathetic nerves were deactivated, but balances of autonomic nervous system were well maintained. Conclusions : The results suggest that ephedra in healthy adults tends to reduce body weight and deactivation of autonomic nervous system and cardiac activity.
브랜드 충성도에 영향을 미치는 항공사 굿즈 마케팅 영향요인 연구
양창섭,이상학 한국항공운항학회 2023 한국항공운항학회지 Vol.31 No.4
This paper describes the significant effects of customer’s PAD emotional response according to consumption value of airline goods on brand charisma, brand attitude, and brand loyalty. The result shows that among the consumption values, epistemic value, emotional value, and self-expressive value have a positive effect on PAD emotional response. In addition it was found that the PAD emotional response had positive influence on brand charisma but had no effect on brand attitude. Brand charisma was found to have significant positive influence on brand attitude and both brand charisma and brand attitude had positive effect on brand loyalty. Through the results of this study, airline goods products are an effective means to increase brand loyalty. Further more, this study provides academic and business implications for effective airline goods marketing.
지구자기장 시뮬레이터를 이용한 모델 함정의 자기신호 분석 기법 연구
양창섭,정현주,전재진,Yang, Chang-Seob,Chung, Hyun-Ju,Jeon, Jae-Jin 한국군사과학기술학회 2013 한국군사과학기술학회지 Vol.16 No.4
Since 1990, Agency for Defense Development is operating the non-magnetic laboratory for the development of key technology for the underwater magnetic stealth part, the research of the magnetic application weapons and the technical support for Korean Navy. Recently, we installed the new three-axis earth magnetic field simulator and the measurement system in the non-magnetic laboratory which is replacing the existing outdated facility. In this paper, we deal with the detailed design result of the earth magnetic field simulator and the measurement system. Also, we describe the effective method to separate the permanent and the induced magnetic field from the measured data for a scaled model ship using the earth magnetic field simulator and the measurement system.
양창섭,정현주,신승제,Yang, Chang-Seob,Chung, Hyun-Ju,Shin, Seung-Je 한국군사과학기술학회 2006 한국군사과학기술학회지 Vol.9 No.2
The underwater electromagnetic signatures of a naval ship are mainly generated from three sources which are the permanent and induced magnetic field in the ship's hull and other ferrous components, the cathodic current electromagnetic field established by the Impressed Current Cathodic Protection(ICCP) system or the Sacrificial Anode and the stray electromagnetic fields generated by onboard equipment. These signatures can be minimized by certain design methods or installation of signature reduction equipment. In this paper, we represented the characteristic of the underwater electromagnetic signature and the signature reduction techniques for a naval ship. Also, we measured the electromagnetic field changes emitted from the real ship using the Electric and Magnetic field Measurement System(EMMS). We found that the underwater electromagnetic signature for a naval ship can be used as input or trigger signal in a surveillance system and an influence mine.