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조남주,김병건 대한신경과학회 2015 대한신경과학회지 Vol.33 No.4
Background: Several population- and clinic-based studies have investigated the clinical characteristics of migraine with aura in Western countries. However, migraine with aura has not been investigated in Korea or other Asian countries. The aim of this study was to determine the frequency and characteristics of migraine with aura in Korea. Methods: We consecutively recruited patients with migraine from 2010 to 2014 in the Eulji Headache Clinic. Migraines with and without aura were diagnosed according to the International Classification of Headache Disorders-II criteria based on a clinical interview and structured questionnaire. Results: In total, 97 (35% males and 65% females) and 649 (12% males and 88% females) patients were diagnosed as migraines with and without aura, respectively. Visual aura was the most common type of aura (94%) among patients with migraine with aura, followed by sensory aura (6%) and then speech aura, retinal aura, and brainstem aura (each 3%). The most frequently accompanying headache type was migraine (77%), followed by nonmigraine headache (17%), with no headache presenting in 6% of patients. Migraine without aura was the most common headache (61%) outside of migraine with aura, followed by nonmigraine headache (14%). Conclusions: Only 13% of migraineurs have aura symptoms. Nonvisual aura symptoms are rare in Korean patients with migraine with aura.
Water-Induced Surface Structure of Poly(dimethylsiloxane)-Containing Block Copolymers
조남주,천제환,임권택,장의섭,이원기 한국고분자학회 2013 Macromolecular Research Vol.21 No.7
Two triblock copolymers, polyester-b-poly(dimethylsiloxane) (PDMS)-b-polyester, were synthesized by the ring-opening polymerization with both hydrophobic and water-repellent hydroxyl-terminated PDMS and hydrolytically degradable ester monomers. The Tgs of the polyester blocks were controlled by ε-caprolactone/lactide mixture or lactide only. The surface composition of the triblock copolymers was measured by angle-dependent electron:X-ray photoelectron spectroscopy. The results showed that the PDMS block with a low surface energy in the copolymers was quite segregated in the surface region; the copolymer films showed significantly higher mole fractions of PDMS (0.78-0.86) at a low takeoff angle compared with their bulk mole fractions (0.015-0.02). When the films were exposed to water at 20 oC for 70 min, the mole fractions of surface PDMS were decreased to 0.3-0.5 because of the water-repellent hydrophobicity and the chain mobility of both blocks.
모듈요소(modular elements)와 가구의 구조적 특성에 관한 연구
조남주,Joh Nam-Joo 한국가구학회 2003 한국가구학회지 Vol.14 No.1
Today's aesthetics and design orientations seem to be: flexibility, mobility, multi-functionality required front user's new needs. Our spaces have changed increasingly contain the needs of constant mobility and ability to adapt to a wide variety of situations. For efficient use, a modular system in furnishing can manage the spaces with components which are easy to assemble and disassemble. The function comes from spacial technological structure that is an 'union' formed by units to joint each other. The repeated module is tailored to unchanging environmental conditions. On the other hand, the structure defined by change reacts flexibility to a dynamic environment. In decision-making, it is flexible and able to adapt. Their ability to be positioned freely anywhere in the room allows individual tasks to be carried out by different people, and their almost endless variety of uses create distinctive spaces for living.
조남주,한태경,우상구 한국스포츠학회 2015 한국스포츠학회지 Vol.13 No.4
This research aims to investigate the effects of a 12-week yoga exercise on the exerciser’s autonomic nervous system and lung capacity, and thereby providing a basic data on the psychologically and physically stabilizing effects of yoga exercise. In order to analyze the material characteristics of the collected data through technical statistics and to verify the research purpose and research hypothesis based on the research model, the statistical program SPSS Ver. 20 was used, and as for the data treatment method, T-test was conducted, which produced the following conclusion. First, as a result of investigation of the pre-and post-experiment effects on the autonomic nervous system, it was turned out that there were significant results in terms of autonomic nervous system stability (p =.049), HF(p =.19), and parasympathetic system activity (p=.016). Second, there were no significant results in the pre- and post- experiment of lung capacity (FVC, FEV, FVC/FEV1). Third, there were significant results in the pre- and post- experiment, in terms of body weight (p=.30), BMI (p=.38), body fat ratio (p=.31), and body fat amount (p=.13). Based on these results, it was concluded that the 12 week-yoga exercise has significant influence on the autonomic nervous system and body composition. This study verified that application of a yoga program not accompanied by breath technique or meditation but only comprised of physical movement brings positive change physically, as well as in terms of the psychological and mental stability. For people approaching yoga as an exercise, it also produces psychological stabilization effects, enabling the yoga exercisers to control stress and anxiety as well as improve their health, thereby contributing to a physically and mentally balanced and healthy life of modern people.