19 research outputs found

    The relationship between subclinical hypothyroidism and cardiovascular disease risk factors

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    ์˜ํ•™๊ณผ/์„์‚ฌ์—ฐ๊ตฌ๋ฐฐ๊ฒฝ; ๋ฌด์ฆ์ƒ ๊ฐ‘์ƒ์„  ๊ธฐ๋Šฅ์ €ํ•˜์ฆ(SCH)๊ณผ ์‹ฌํ˜ˆ๊ด€์งˆํ™˜์˜ ๊ด€๋ จ์„ฑ์— ๊ด€ํ•œ ๋งŽ์€ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ๋“ค์ด ๋ฐœํ‘œ ๋˜์—ˆ์œผ๋‚˜ ์•„์ง๊นŒ์ง€ ๋…ผ๋ž€์˜ ์—ฌ์ง€๊ฐ€ ์žˆ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ๊ฑด๊ฐ•๊ฒ€์ง„์ˆ˜์ง„์ž๋ฅผ ๋Œ€์ƒ์œผ๋กœ SCH๊ฐ€ ์‹ฌํ˜ˆ๊ด€์งˆํ™˜ ์œ„ํ—˜์ธ์ž๋“ค๊ณผ ์–ด๋– ํ•œ ๊ด€๋ จ์„ฑ์ด ์žˆ๋Š”์ง€๋ฅผ ์กฐ์‚ฌํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ๋Œ€์ƒ ๋ฐ ๋ฐฉ๋ฒ•; 2008-2010๋…„๊นŒ์ง€ ์ผ์‚ฐ์˜ ๋ชจ ๋ณ‘์›์„ ๋‚ด์›ํ•œ ๊ฑด๊ฐ•๊ฒ€์ง„์ˆ˜๊ฒ€์ž (19-84์„ธ) ์ค‘ ๊ฐ‘์ƒ์„ ์งˆํ™˜, ๊ณ ์ง€ํ˜ˆ์ฆ, ๊ณ ํ˜ˆ์••, ๋‡Œ์กธ์ค‘, ์‹ฌ๊ทผ๊ฒฝ์ƒ‰ ๋“ฑ์˜ ์‹ฌํ˜ˆ๊ด€์งˆํ™˜, ๊ฐ„์งˆํ™˜, ์‹ ์žฅ์งˆํ™˜์˜ ๊ณผ๊ฑฐ๋ ฅ์ด ์žˆ๋Š” ๊ฒฝ์šฐ, ๊ฐ‘์ƒ์„ ์— ์˜ํ–ฅ์„ ์ค„ ์ˆ˜ ์žˆ๋Š” ์•ฝ๋ฌผ์„ ๋ณต์šฉํ•œ ๊ฒฝ์šฐ๋ฅผ ์ œ์™ธํ•˜๊ณ  ๊ฐ‘์ƒ์„ ์ž๊ทนํ˜ธ๋ฅด๋ชฌ(TSH)์ด 0.5-20 mIU/L์ด๋ฉด์„œ T4๊ฐ€ ์ •์ƒ์ธ 5,082๋ช…์„ ๋Œ€์ƒ์œผ๋กœ ๋ถ„์„์„ ์ง„ํ–‰ํ•˜์˜€๋‹ค. ์ด์ค‘ TSH๊ฐ€ 0.5-4.49 mIU/L์ธ ๊ฒฝ์šฐ๋ฅผ ์ •์ƒ๋Œ€์กฐ๊ตฐ์œผ๋กœ, TSH๊ฐ€ 4.5-20 mIU/L์ธ ๊ฒฝ์šฐ๋ฅผ SCH๋กค ๊ตฌ๋ถ„ํ•˜์—ฌ ์ง€์งˆ, ๋‹น ๊ฒ€์‚ฌ ๊ฒฐ๊ณผ๋ฅผ ๋น„๊ตํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ๊ฒฐ๊ณผ; 3.9% (196๋ช…)๊ฐ€ SCH์ด์—ˆ๊ณ , ๋Œ€์กฐ๊ตฐ์— ๋น„ํ•ด SCH๊ตฐ์—์„œ ์—ฌ์ž์˜ ๋น„์œจ์ด ๋” ๋†’์•˜๋‹ค. ๋‘ ๊ตฐ ๊ฐ„์— ์—ฐ๋ น, ์ฒด์งˆ๋Ÿ‰์ง€์ˆ˜(BMI), ํก์—ฐ, ์Œ์ฃผ์—ฌ๋ถ€๋Š” ์ฐจ์ด๊ฐ€ ์—†์—ˆ๊ณ , total cholesterol (TC), triglyceride (TG), LDL-C, HDL-C ์™€ ๊ณต๋ณตํ˜ˆ๋‹น์€ ์ฐจ์ด๊ฐ€ ์—†์—ˆ๋‹ค. Free T4๋Š” SCH๊ตฐ์—์„œ ์œ ์˜ํ•˜๊ฒŒ ๋‚ฎ์•˜๋‹ค. ๋‚จ, ์—ฌ๋ฅผ ๋”ฐ๋กœ ๋ถ„์„ํ•˜์—ฌ๋„, ์ง€์งˆ์ด๋‚˜ ๋‹น ๊ฒ€์‚ฌ์—์„œ ๋Œ€์กฐ๊ตฐ๊ณผ ์ฐจ์ด๋ฅผ ๋ณด์ด์ง€ ์•Š์•˜๋‹ค. ์ „์ฒด ์ˆ˜๊ฒ€์ž์—์„œ TSH์™€ ์ง€์งˆ๊ฒ€์‚ฌ์˜ ๊ด€๋ จ์„ฑ์„ ๋ณด๊ธฐ์œ„ํ•˜์—ฌ ๋‹ค๋ณ€๋Ÿ‰ํšŒ๊ท€๋ถ„์„์„ ์‹œํ–‰ํ•˜์˜€๋‹ค. ์—ฐ๋ น, ์„ฑ๋ณ„, ์Œ์ฃผ, ํก์—ฐ, BMI๋กœ ๋ณด์ •์„ ํ•˜์˜€์„ ๋•Œ TSH๋Š” TG์™€ ๊ด€๋ จ์ด ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๊ณ ํ˜ˆ์••, ๋Œ€์‚ฌ์ฆํ›„๊ตฐ, TGโ‰ฅ 150 mg/dL, LDL-Cโ‰ฅ 130 mg/dL, HDL-C ์ด์ƒ, TC> 240 mg/dL ์ธ ๊ฒฝ์šฐ๋ฅผ ์ข…์†๋ณ€์ˆ˜๋กœ ๋‘๊ณ  ๋กœ์ง€์Šคํ‹ฑ ํšŒ๊ท€๋ถ„์„์„ ํ•˜์˜€์„ ๋•Œ, SCH ์—ฌ๋ถ€๋Š” ์œ„ํ—˜์ธ์ž๊ฐ€ ์•„๋‹Œ ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋Œ€๋ถ€๋ถ„ ๊ณ ๋ น, ๋‚จ์ž, ๋น„๋งŒ์ด ์œ„ํ—˜์ธ์ž๋กœ ์ž‘์šฉํ•˜์˜€๋‹ค. ๊ฒฐ๋ก ; ์‹ฌํ˜ˆ๊ด€์งˆํ™˜์˜ ์œ„ํ—˜์ธ์ž์ธ ๊ณ ํ˜ˆ์••, ๋Œ€์‚ฌ์ฆํ›„๊ตฐ ๋ฐ ์ง€์งˆ์ด์ƒ, ๊ณต๋ณตํ˜ˆ๋‹น ์ด์ƒ์— SCH๋Š” ํฐ ์˜ํ–ฅ์„ ์ฃผ์ง€ ์•Š๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. SCH์™€ ์‹ฌํ˜ˆ๊ด€์งˆํ™˜ ์œ„ํ—˜์ธ์ž์˜ ๊ด€๋ จ์„ฑ์„ ๋ณด๋Š” ์—ฐ๊ตฌ์—๋Š” ์—ฐ๋ น, ์„ฑ๋ณ„ ๋“ฑ ๋‹ค์–‘ํ•œ ์š”์ธ๋“ค์ด ์—ฐ๊ตฌ๋Œ€์ƒ ์„ ํƒ ์‹œ๋ถ€ํ„ฐ ํ˜ผ๋ž€์„ ์ดˆ๋ž˜ํ•  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ํ–ฅํ›„ ๋” ๋งŽ์€ ๋Œ€์ƒ์ž๋ฅผ ์ด์šฉํ•˜์—ฌ SCH์™€ ์‹ฌํ˜ˆ๊ด€์งˆํ™˜ ๋ฐœ์ƒ์˜ ๊ด€๋ จ์„ฑ์„ ์‚ดํŽด๋ณผ ํ•„์š”๊ฐ€ ์žˆ๊ฒ ๋‹ค.ope

    ํ”Œ๋ผ์ฆˆ๋งˆ ์ „๊ธฐํ™”ํ•™๋ฒ•์„ ์‘์šฉํ•œ ํ˜•๊ด‘ ๊ธˆ์† ์‚ฐํ™”๋ง‰์˜ ๊ฐœ๋ฐœ ๋ฐ ํŠน์„ฑ์—ฐ๊ตฌ

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    ํ•™์œ„๋…ผ๋ฌธ (๋ฐ•์‚ฌ)-- ์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› : ์žฌ๋ฃŒ๊ณตํ•™๋ถ€, 2015. 8. ํ™์„ฑํ˜„.Electrochemical coating technologies of metal surface have been widely used for decades in various industries, because it provides the thick and anti-corrosive films with a simple and inexpensive process. Especially, plasma electrolytic oxidation (PEO), which is a high electrical power-induced technology, has much attention in recent years due to their excellent film property. The PEO produces adherent ceramic-like coatings, which are beneficial to enhance the corrosion, heat and wear resistance, so the oxidized film can be applied in many industrial fields such as aerospace, automobile and portable electric devices. During PEO process, a high?voltage discharge zone is generated as spark or arc, and the thick ceramic coating is directly formed on the surface of metals together with elements in the electrolyte. At the discharge zone, the oxide films are locally changed with high temperature and pressure atmosphere, and estimated temperature at this region is around 8000 K at a hot core and 1800 K at a cold circumferential area. Using this extraordinary phenomenon, we applied the plasma discharge in PEO process to generate the photo-luminescent oxide film by adding the rare-earth ions in the electrolytes, and the rare-earth doped phosphor film was successfully formed on the metal substrate. So far, the luminescent film was fabricated by screen printing technique, combustion CVD, spin coating, sol-gel soft lithography, and radio-frequency magnetron sputtering, but those kinds of phosphor films showed many problems such as poor uniformity of film thickness and low adhesion to the substrate. In case of PEO process, the rare-earth ions are directly incorporated during oxidation process, so well adhesive luminescent films can be obtained. In this thesis, we firstly studied the new approaches of plasma enhanced electrochemical process to develop a luminescent metal oxide film by doping rare-earth ions at the moment of plasma generation with one-step process. At the first section, white luminescent europium doped aluminum oxide film will be investigated in detail. The white luminescent oxidized film was mainly composed of ฮณ-Al2O3, and the photoluminescence spectrum consisted of two emission peaks centered at 405 nm and 488 nm with a broad FWHM (~197.6 nm). In order to figure out the origin of these emission peaks, the results of cathodoluminescence, elemental analysis, rietveld refinement, decay time of photoluminescence, TEM analysis and electronic structure calculation will be discussed in this thesis. In addition, blue light emitting cerium doped magnesium silicate films also will be introduced by comparing Mg2SiO4:Ce phosphor in the second chapter.Abstract Contents List of Tables List of Figures Chapter 1 General backgrounds 1.1 Luminescent Materials 1.1.1 Inorganic phosphor materials 1.1.1 White light phosphors 1.1.1 Phosphor film 1.2 Plasma Electrolytic Oxidation 1.2.1 Introductions and applications 1.2.2 Plasma generation mechanism Chapter 2 Experimental Procedure 2.1 Luminescent film formation by PEO 2.2 Characterization Chapter 3 Results and Discussions 3.1 White-light emitting Al2O3:Eu film on aluminum foil 3.1.1 Luminescent oxide film formation 3.1.2 Experimental variable effects 3.1.3 Oxygen vacancy and europium effects 3.1.4 Crystal structure of europium doped aluminum oxide film 3.2 Rare-earths doped magnesium oxide film on Mg foil 3.2.1 Ce-doped magnesium oxide film by PEO process 3.2.2 Ce-doped Mg2SiO4 phosphor powder Chapter 4 Conclusion References Abstract (Korean)Docto

    ์ดˆ๋“ฑํ•™์ƒ๋“ค์˜ ๊ณผํ•™ ์ •์ฒด์„ฑ๊ณผ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ ํฌ๋ถ€์˜ ๊ด€๊ณ„

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    ํ•™์œ„๋…ผ๋ฌธ (๋ฐ•์‚ฌ)-- ์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› : ๊ณผํ•™๊ต์œก๊ณผ(์ƒ๋ฌผ์ „๊ณต), 2015. 8. ๊น€ํฌ๋ฐฑ.์ง„๋กœ ํฌ๋ถ€๋Š” ํ•™์Šต๊ณผ ์ง„๋กœ ์„ ํƒ์—์„œ ์ค‘์š”ํ•œ ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š” ์š”์ธ์ด๋‹ค. ๊ณผํ•™ ๋ถ„์•ผ์—์„œ์˜ ์ง„๋กœ ํฌ๋ถ€์— ๊ด€ํ•œ ์—ฐ๊ตฌ๋“ค์— ๋”ฐ๋ฅด๋ฉด, ๊ณผํ•™์— ๋Œ€ํ•œ ํƒœ๋„ ๋ฐ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํ•™์ƒ๋“ค์˜ ํฌ๋ถ€๋Š” ์–ด๋ฆฐ ๋‚˜์ด์— ๊ธ‰๊ฒฉํžˆ ๊ฐ์†Œํ•˜๊ณ  ์žˆ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€๋ฅผ ํ˜•์„ฑํ•˜๋Š”๋ฐ ์žˆ์–ด ์ค‘์š”ํ•œ ์‹œ๊ธฐ์ธ ์ดˆ๋“ฑํ•™์ƒ๋“ค์˜ ์ง„๋กœ ํฌ๋ถ€๋ฅผ ํƒ์ƒ‰ํ•˜๊ณ ์ž ํ•œ๋‹ค. ํŠนํžˆ, ๋ณธ ์—ฐ๊ตฌ๋Š” ๊ณผํ•™์— ๋Œ€ํ•œ ํฅ๋ฏธ๋Š” ๋†’์ง€๋งŒ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€๊ฐ€ ๋‚ฎ์€ ์ดˆ๋“ฑํ•™์ƒ๋“ค์„ ๋Œ€์ƒ์œผ๋กœ ํ•˜๋ฉฐ, ์ด๋“ค์˜ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€์™€ ์‹œ๊ฐ„์— ๋”ฐ๋ฅธ ํฌ๋ถ€์˜ ๋ณ€ํ™”๋ฅผ ๊ณผํ•™ ์ •์ฒด์„ฑ ๊ฐœ๋…์„ ์‚ฌ์šฉํ•˜์—ฌ ์„ค๋ช…ํ•˜๊ณ ์ž ํ•œ๋‹ค. ๋”ฐ๋ผ์„œ ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ๋จผ์ € ๊ณผํ•™์— ๋Œ€ํ•œ ํฅ๋ฏธ๋Š” ๋†’์ง€๋งŒ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€๊ฐ€ ๋‚ฎ์€ ์ดˆ๋“ฑ 4ํ•™๋…„ ํ•™์ƒ๋“ค์˜ ๊ณผํ•™ ์ •์ฒด์„ฑ์„ ํƒ์ƒ‰ํ•˜๊ณ (์—ฐ๊ตฌ 1), 5ํ•™๋…„์ด ๋˜์—ˆ์„ ๋•Œ ์ด๋“ค์˜ ๊ณผํ•™ ์ •์ฒด์„ฑ๊ณผ ๊ด€๋ จ ์ง„๋กœ ํฌ๋ถ€์˜ ๋ณ€ํ™”๋ฅผ ํƒ์ƒ‰ํ•˜๊ณ ์ž ํ•œ๋‹ค(์—ฐ๊ตฌ 2). ๋ณธ ์—ฐ๊ตฌ๋ฅผ ์œ„ํ•ด 2013๋…„ 2์›” ์„œ์šธ์‹œ์— ์†Œ์žฌํ•œ ์ดˆ๋“ฑํ•™๊ต 3๊ฐœ๊ต์˜ 3ํ•™๋…„ ํ•™์ƒ 488๋ช…์„ ๋Œ€์ƒ์œผ๋กœ ์‹ค์‹œํ•œ ์„ค๋ฌธ์กฐ์‚ฌ ๊ฒฐ๊ณผ๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ์—ฐ๊ตฌ ๋ชฉ์ ์— ๋งž๋Š” 45๋ช…์˜ ํ•™์ƒ์„ ์„ ๋ณ„ํ•˜์˜€๋‹ค. ์ด ์ค‘ ์ฐธ์—ฌ์ž๋กœ ์„ ๋ณ„๋œ 19๋ช…์„ ๋Œ€์ƒ์œผ๋กœ 2013๋…„ 10-11์›”์— 1์ฐจ ์‹ฌ์ธต๋ฉด๋‹ด์„ ์‹ค์‹œํ•˜์˜€๊ณ , ์ด ๊ฐ€์šด๋ฐ 14๋ช…์„ ๋Œ€์ƒ์œผ๋กœ 2014๋…„ 6-7์›”์— 2์ฐจ ์‹ฌ์ธต๋ฉด๋‹ด์„ ์‹ค์‹œํ•˜์˜€๋‹ค. ๋ฉด๋‹ด ๋‚ด์šฉ์€ ๊ณผํ•™์— ๋Œ€ํ•œ ํฅ๋ฏธ, ๊ณผํ•™ ๋Šฅ๋ ฅ์— ๋Œ€ํ•œ ์ธ์‹, ๊ณผํ•™์—์„œ ๊ต์‚ฌ, ์นœ๊ตฌ, ๋ถ€๋ชจ์˜ ํ‰๊ฐ€์— ๋Œ€ํ•œ ์ธ์‹, ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์™€ ํ˜„์žฌ ํฌ๋ง ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€, ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ๋ฅผ ์›ํ•˜๋Š” ํ•™์ƒ์— ๋Œ€ํ•œ ์ธ์‹, ๊ทธ๋ฆฌ๊ณ  ์ผ์ƒ์˜ ๊ณผํ•™ ๊ด€๋ จ ํ™œ๋™์— ๋Œ€ํ•œ ์ธ์‹๊ณผ ๊ฒฝํ—˜์— ๊ด€ํ•œ ์งˆ๋ฌธ์„ ํฌํ•จํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ 1์—์„œ๋Š” 4ํ•™๋…„์ธ ์ฐธ์—ฌ์ž๋“ค์ด ๊ณผํ•™ ์ •์ฒด์„ฑ ์š”์†Œ(๊ณผํ•™์— ๋Œ€ํ•œ ํฅ๋ฏธ, ๊ณผํ•™ ๋Šฅ๋ ฅ์— ๋Œ€ํ•œ ์ธ์‹, ํƒ€์ธ์˜ ํ‰๊ฐ€์— ๋Œ€ํ•œ ์ธ์‹)์—์„œ ์–ด๋– ํ•œ ํŠน์ง•์„ ๋ณด์ด๋Š”์ง€ ํƒ์ƒ‰ํ•˜๊ณ , ์ด๋Ÿฌํ•œ ๊ณผํ•™ ์ •์ฒด์„ฑ ์š”์†Œ๊ฐ€ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ ํฌ๋ถ€์™€ ์–ด๋–ป๊ฒŒ ๊ด€๋ จ๋˜๋Š”์ง€ ๋ฐํžˆ๊ณ ์ž ํ•˜์˜€๋‹ค. 4ํ•™๋…„์— ์ด๋ฃจ์–ด์ง„ 1์ฐจ ์‹ฌ์ธต๋ฉด๋‹ด์—์„œ ์ฐธ์—ฌ์ž๋“ค์ด ๋ณด์ธ ๊ณผํ•™ ์ •์ฒด์„ฑ ์š”์†Œ์˜ ํŠน์ง•์„ ์ •๋ฆฌํ•˜๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. 19๋ช…์˜ ์ฐธ์—ฌ์ž ๊ฐ€์šด๋ฐ 15๋ช…์˜ ํ•™์ƒ๋“ค์€ ์ œํ•œ์ ์ด๊ฑฐ๋‚˜ ์ƒํ™ฉ์ ์œผ๋กœ ์œ ๋ฐœ๋˜๋Š” ๊ณผํ•™์— ๋Œ€ํ•œ ํฅ๋ฏธ๋ฅผ ๋ณด์˜€๊ณ , ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ๋ฅผ ์ถ”๊ตฌํ•˜๊ธฐ์— ์ž์‹ ์˜ ๊ณผํ•™ ๋Šฅ๋ ฅ์ด ๋ถ€์กฑํ•˜๋‹ค๋Š” ์ธ์‹์„ ๋“œ๋Ÿฌ๋‚ด์—ˆ์œผ๋ฉฐ, ๊ณผํ•™ ๋ถ„์•ผ์—์„œ ๊ธ์ •์ ์ด๋ฉด์„œ ๋ถ„๋ช…ํ•œ ํƒ€์ธ์˜ ํ‰๊ฐ€๋ฅผ ๋ฐ›์€ ๊ฒฝํ—˜์ด ๊ฑฐ์˜ ์—†๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์ฐธ์—ฌ์ž๋“ค์˜ ๊ณผํ•™ ์ •์ฒด์„ฑ์„ ๋ณด๋‹ค ๊ตฌ์ฒด์ ์œผ๋กœ ๋“œ๋Ÿฌ๋‚ด๋ฉด์„œ ์ง„๋กœ์™€ ๊ด€๋ จ์‹œํ‚ค๊ธฐ ์œ„ํ•ด ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ๋ฅผ ์›ํ•˜๋Š” ํ•™์ƒ์— ๋Œ€ํ•œ ์ธ์‹์„ ํƒ์ƒ‰ํ•˜๊ณ , ๊ณผํ•™ ๊ด€๋ จ ํ™œ๋™์— ๋Œ€ํ•œ ์ฐธ์—ฌ์ž๋“ค์˜ ๊ด€์‹ฌ๊ณผ ๊ฒฝํ—˜์„ ์กฐ์‚ฌํ•˜์˜€๋‹ค. ๊ทธ ๊ฒฐ๊ณผ, 1๋ช…์„ ์ œ์™ธํ•œ 18๋ช…์˜ ์ฐธ์—ฌ์ž๋“ค์€ ์ž์‹ ์ด ํ•˜๋Š” ํ™œ๋™๊ณผ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ๋ฅผ ์›ํ•˜๋Š” ํ•™์ƒ๋“ค์˜ ํ™œ๋™์„ ๋ถ„๋ช…ํ•˜๊ฒŒ ๊ตฌ๋ถ„ํ•˜์˜€๊ณ , ์ž์‹ ์€ ๊ทธ๋“ค์— ๋น„ํ•ด ๊ณผํ•™์— ๋Œ€ํ•œ ํฅ๋ฏธ์™€ ๋Šฅ๋ ฅ์ด ์ œํ•œ์ ์ด๊ฑฐ๋‚˜ ๋ถ€์กฑํ•˜๋‹ค๋Š” ์ธ์‹์„ ๋“œ๋Ÿฌ๋‚ด์—ˆ๋‹ค. ์ฆ‰, ์ฐธ์—ฌ์ž๋“ค์€ ๊ณผํ•™์— ๋Œ€ํ•œ ๋†’์€ ํฅ๋ฏธ๋ฅผ ๋ณด์ด๊ณ  ํ•™๊ต์—์„œ ๊ณผํ•™์„ ํ•™์Šตํ•˜๋Š”๋ฐ ํฐ ์–ด๋ ค์›€์ด ์—†๋‹ค๊ณ  ์ธ์‹ํ•˜๋ฉด์„œ, ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ๋ฅผ ์›ํ•˜๋Š” ํ•™์ƒ๋งŒํผ ๊ณผํ•™์„ ๊ทธ๋ ‡๊ฒŒ ์ข‹์•„ํ•˜๊ฑฐ๋‚˜, ๋งค์šฐ ์ž˜ ํ•˜๋Š” ํ•™์ƒ์€ ์•„๋‹ˆ๋ผ๊ณ  ์ž์‹ ์„ ํŒ๋‹จํ•˜์˜€๋‹ค. ์ด๋Š” ์ฐธ์—ฌ์ž๋“ค์˜ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ๋ฅผ ์›ํ•˜๋Š” ํ•™์ƒ์— ๋Œ€ํ•œ ์ธ์‹์ด ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ๋†’์€ ๊ธฐ์ค€์— ๋ฐ”ํƒ•์„ ๋‘๊ณ  ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ๋ณด์—ฌ์ค€๋‹ค. ์ด์ฒ˜๋Ÿผ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ์ง€๋‚˜์น˜๊ฒŒ ๋†’์€ ์ธ์‹๊ณผ ๊ธฐ๋Œ€๋Š” ์ฐธ์—ฌ์ž๋“ค์ด ์ž์‹ ์„ ๊ณผํ•™๊ณผ ๊ด€๋ จ๋œ ์ง„๋กœ์™€ ๋ถ„๋ฆฌ์‹œํ‚ค๊ณ , ์ง„๋กœ์™€ ๊ด€๋ จํ•˜์—ฌ ๊ธ์ •์ ์ธ ์ž์•„๋ฅผ ํ˜•์„ฑํ•˜๋Š” ๊ฒƒ์„ ๋ฐฉํ•ดํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ 2์—์„œ๋Š” ์‹œ๊ฐ„์ด ํ๋ฆ„์— ๋”ฐ๋ผ ์ฐธ์—ฌ์ž๋“ค์˜ ๊ณผํ•™ ์ •์ฒด์„ฑ ์š”์†Œ๊ฐ€ ์–ด๋–ป๊ฒŒ ๋ณ€ํ•˜๋ฉฐ ์ด๋Ÿฌํ•œ ๋ณ€ํ™”๊ฐ€ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€์˜ ํ˜•์„ฑ๊ณผ ์–ด๋– ํ•œ ๊ด€๋ จ์ด ์žˆ๋Š”์ง€, ๋ณต์žกํ•œ ์ƒํ˜ธ์ž‘์šฉ์„ ํƒ์ƒ‰ํ•˜๊ณ ์ž ํ•˜์˜€๋‹ค. 1์ฐจ๋ฉด๋‹ด์— ์ฐธ์—ฌํ•œ ํ•™์ƒ ๊ฐ€์šด๋ฐ 5ํ•™๋…„์ด ๋œ 14๋ช…์„ ๋Œ€์ƒ์œผ๋กœ 2์ฐจ๋ฉด๋‹ด์„ ์‹ค์‹œํ•œ ๊ฒฐ๊ณผ, 6๋ช…์€ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•ด ์ง€์†์ ์œผ๋กœ ๋‚ฎ์€ ํฌ๋ถ€๋ฅผ, 6๋ช…์€ ๋ณดํ†ต์˜ ํฌ๋ถ€, 2๋ช…์€ ๋†’์€ ํฌ๋ถ€๋ฅผ ๋ณด์˜€๋‹ค. ๊ณผํ•™ ์ •์ฒด์„ฑ ์š”์†Œ์™€ ์ง„๋กœ ํฌ๋ถ€์˜ ๊ด€๊ณ„๋ฅผ ๊นŠ์ด์žˆ๊ฒŒ ํƒ์ƒ‰ํ•˜๊ธฐ ์œ„ํ•ด ์ด๋ฅผ ์ž˜ ๋“œ๋Ÿฌ๋‚ด๋Š” ์„ธ ๋ช…์˜ ํ•™์ƒ์„ ์„ ์ •ํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ ๊ฒฐ๊ณผ, ์ง„๋กœ์™€ ๊ด€๋ จํ•˜์—ฌ ๊ฐœ์ธ๋งˆ๋‹ค ๊ฐ€์น˜๋ฅผ ๋‘๋Š” ๊ณผํ•™ ์ •์ฒด์„ฑ ์š”์†Œ๊ฐ€ ๋‹ฌ๋ž์œผ๋ฉฐ(์œค์šฐ๋Š” ํƒ€์ธ์˜ ํ‰๊ฐ€, ํƒœ์šฐ๋Š” ์ž์‹ ์˜ ํฅ๋ฏธ, ์ธ์ œ๋Š” ๊ณผํ•™ ๋Šฅ๋ ฅ), ์ด๋Ÿฌํ•œ ์š”์†Œ์— ๋”ฐ๋ผ ์š”์†Œ๋“ค ์‚ฌ์ด์˜, ๊ทธ๋ฆฌ๊ณ  ์š”์†Œ์™€ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ ํฌ๋ถ€ ์‚ฌ์ด์˜ ์ƒํ˜ธ์ž‘์šฉ์€ ๊ฐœ์ธ๋งˆ๋‹ค ๋‹ค๋ฅธ ์–‘์ƒ์„ ๋ณด์—ฌ์ฃผ์—ˆ๋‹ค. ์‹œ๊ฐ„์ด ํ๋ฅด๋ฉด์„œ ์ฐธ์—ฌ์ž๋“ค์ด ๊ฒช์€ ๊ฒฝํ—˜๊ณผ ์ฃผ๋ณ€์˜ ํƒ€์ธ๋“ค๊ณผ์˜ ์ƒํ˜ธ์ž‘์šฉ์€ ๊ณผํ•™ ์ •์ฒด์„ฑ ์š”์†Œ์˜ ๋ณ€ํ™”์— ์˜ํ–ฅ์„ ์ฃผ์—ˆ๊ณ , ์ด๋Š” ์š”์†Œ๋“ค ์‚ฌ์ด์˜ ์ƒํ˜ธ์ž‘์šฉ์„ ํ†ตํ•œ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ ํฌ๋ถ€์˜ ๋ณ€ํ™”๋กœ ์ด์–ด์กŒ๋‹ค. ๋™๋ฃŒ์™€์˜ ๊ด€๊ณ„์— ๋Œ€ํ•œ ์ธ์‹(๋‚˜์— ๋Œ€ํ•œ ๋™๋ฃŒ์˜ ํ‰๊ฐ€์™€ ๋™๋ฃŒ์— ๋Œ€ํ•œ ๋‚˜์˜ ํ‰๊ฐ€์— ๋Œ€ํ•œ ์ธ์‹)๊ณผ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ์ธ์‹ ๋˜ํ•œ ํ•™์ƒ๋“ค์ด ์ž์‹ ์— ๋Œ€ํ•ด ํŒ๋‹จํ•˜๊ณ  ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€๋ฅผ ํ˜•์„ฑํ•˜๋Š”๋ฐ ์ค‘์š”ํ•˜๊ฒŒ ์˜ํ–ฅ์„ ๋ฏธ์น˜๊ณ  ์žˆ์Œ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๋”ฐ๋ผ์„œ ์ด๋ฅผ ๊ณ ๋ คํ•œ ํ•™์Šต ํ™˜๊ฒฝ๊ณผ ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ์•ˆ๋‚ด๊ฐ€ ํ•„์š”ํ•จ์„ ์ œ์•ˆํ•œ๋‹ค.I. ์„œ ๋ก  1 1. ์—ฐ๊ตฌ์˜ ๋ฐฐ๊ฒฝ๊ณผ ํ•„์š”์„ฑ 1 2. ์—ฐ๊ตฌ ๋ชฉ์ ๊ณผ ์—ฐ๊ตฌ ๋‚ด์šฉ 5 3. ์šฉ์–ด์˜ ์ •์˜ 6 4. ์—ฐ๊ตฌ์˜ ์ œํ•œ์  8 II. ์ด๋ก ์  ๋ฐฐ๊ฒฝ 9 1. ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€ 9 1.1. ์ดˆ๋“ฑํ•™์ƒ๋“ค์˜ ์ง„๋กœ ๋ฐœ๋‹ฌ๊ณผ ์ง„๋กœ ํฌ๋ถ€ 9 1.2. ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ ํฌ๋ถ€์— ๊ด€ํ•œ ์„ ํ–‰ ์—ฐ๊ตฌ 11 2. ์ •์ฒด์„ฑ 18 2.1. ์ •์ฒด์„ฑ์˜ ํŠน์„ฑ 18 2.2. ๊ณผํ•™ ์ •์ฒด์„ฑ 24 2.3. ๊ณผํ•™ ์ˆ˜์—…์— ์ฐธ์—ฌํ•˜๋Š” ํ•™์ƒ์— ๋Œ€ํ•œ ๊ธฐ๋Œ€์™€ ์ธ์‹ 35 III. ์—ฐ๊ตฌ๋ฐฉ๋ฒ•๊ณผ ์ ˆ์ฐจ 38 1. ์—ฐ๊ตฌ ์ ˆ์ฐจ 38 2. ์—ฐ๊ตฌ ์ฐธ์—ฌ์ž 40 3. ์ž๋ฃŒ ์ˆ˜์ง‘ 43 3.1. ์ž๋ฃŒ์˜ ์œ ํ˜• 43 3.2. ๋ฉด๋‹ด์„ ํ†ตํ•œ ๊ณผํ•™ ์ •์ฒด์„ฑ ํƒ์ƒ‰ ์ „๋žต 45 4. ์ž๋ฃŒ ๋ถ„์„ 50 4.1. ์งˆ์  ์—ฐ๊ตฌ ๋ฐฉ๋ฒ• 50 4.2. ์ž๋ฃŒ ๋ถ„์„ 51 IV. ์—ฐ๊ตฌ๊ฒฐ๊ณผ์™€ ๋…ผ์˜ 53 1. ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€๊ฐ€ ๋‚ฎ์€ ์ดˆ๋“ฑํ•™์ƒ๋“ค์˜ ๊ณผํ•™ ์ •์ฒด์„ฑ ํƒ์ƒ‰ 53 1.1 ๊ณผํ•™์— ๋Œ€ํ•œ ํฅ๋ฏธ 53 1.1.1 ๊ณผํ•™์— ๋Œ€ํ•œ ์ƒํ™ฉ์ /๊ฐœ์ธ์  ํฅ๋ฏธ 53 1.1.2 ๋น„ํ˜•์‹ ๋งฅ๋ฝ์˜ ๊ณผํ•™ ๊ด€๋ จ ํ™œ๋™์— ๋Œ€ํ•œ ํฅ๋ฏธ 56 1.2 ๊ณผํ•™ ๋Šฅ๋ ฅ์— ๋Œ€ํ•œ ์ธ์‹ 60 1.2.1 ์ง„๋กœ ์„ ํƒ๊ณผ ๊ณผํ•™ ๋Šฅ๋ ฅ์— ๋Œ€ํ•œ ์ธ์‹ 60 1.2.2 ๋น„ํ˜•์‹ ๋งฅ๋ฝ์—์„œ์˜ ๊ณผํ•™ ๊ด€๋ จ ํ™œ๋™๊ณผ ๊ณผํ•™ ๋Šฅ๋ ฅ 63 1.3 ํƒ€์ธ์˜ ํ‰๊ฐ€์— ๋Œ€ํ•œ ์ธ์‹ 65 1.3.1 ๊ต์‚ฌ, ์นœ๊ตฌ, ๋ถ€๋ชจ์˜ ํ‰๊ฐ€์— ๋Œ€ํ•œ ์ธ์‹ 65 1.3.2 ๋น„ํ˜•์‹ ๋งฅ๋ฝ์˜ ๊ณผํ•™ ๊ด€๋ จ ํ™œ๋™๊ณผ ํƒ€์ธ์˜ ํ‰๊ฐ€์— ๋Œ€ํ•œ ์ธ์‹ 69 1.4 ๋…ผ์˜ 71 2. ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€๊ฐ€ ๋‚ฎ์€ ์ดˆ๋“ฑํ•™์ƒ๋“ค์˜ ๊ณผํ•™ ์ •์ฒด์„ฑ๊ณผ ๊ด€๋ จ ์ง„๋กœ์— ๋Œ€ํ•œ ํฌ๋ถ€์˜ ๋ณ€ํ™” 77 2.1 ์œค์šฐ์˜ ์‚ฌ๋ก€: ๊ณผํ•™ ๊ด€๋ จ ์ง„๋กœ๋ฅผ ์ถ”๊ตฌํ• ๋งŒํ•œ ์ž๊ฒฉ์„ ๊ฐ–์ถ˜ ํ•™์ƒ 80 2.2 ํƒœ์šฐ์˜ ์‚ฌ๋ก€: ๊ณผํ•™์—์„œ ์žฌ๋Šฅ์„ ๋ฐœํœ˜ํ•  ์ˆ˜ ์žˆ๋Š” ํ•™์ƒ 96 2.3 ์ธ์ œ์˜ ์‚ฌ๋ก€: ์†์žฌ์ฃผ๊ฐ€ ์—†๊ณ  ์ง€์‹์ด ๋ถ€์กฑํ•œ ํ•™์ƒ 105 2.4 ๋…ผ์˜ 114 V. ๊ฒฐ๋ก ๊ณผ ์ œ์–ธ 119 1. ๊ฒฐ๋ก  119 2. ์—ฐ๊ตฌ์˜ ํ•จ์˜์™€ ๊ต์œก์  ์‹œ์‚ฌ์  121 3. ํ›„์† ์—ฐ๊ตฌ ๊ณผ์ œ 124 ์ฐธ๊ณ  ๋ฌธํ—Œ 125 ๋ถ€ ๋ก 138 Abstract 142Docto

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    ํ•™์œ„๋…ผ๋ฌธ (์„์‚ฌ)-- ์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› : ๋ฏธ์ˆ ๋Œ€ํ•™ ์กฐ์†Œ๊ณผ, 2018. 2. ์˜ค๊ท€์›.๋ณธ์ธ์€ ์ง๊ฐ„์ ‘์ ์œผ๋กœ ๋ณ€ํ™”๋ฅผ ๊ฒฝํ—˜ํ•˜๊ฑฐ๋‚˜, ์ฃผ๋ณ€ ์„ธ๊ณ„๊ฐ€ ๋ณ€ํ™”ํ•˜๋Š” ๋ชจ์Šต์„ ๊ด€์ฐฐํ•˜๋ฉฐ, ๋ณ€ํ™”๋ฅผ ๋‹ฎ์•„๊ฐ€๋Š” ๋ชจ์Šต์€ ์–ด๋– ํ•œ ๋ชจ์Šต์ผ์ง€ ์งˆ๋ฌธํ•˜๊ฒŒ ๋˜์—ˆ๋‹ค. ๋‹ฎ์•„๊ฐ์€ ์ ์‘์˜ ํ•œ ๋ชจ์Šต์œผ๋กœ, ๋ณ€ํ™” ์ด์ „์˜ ์ƒํƒœ์™€ ๋ณ€ํ™”์˜ ํ๋ฆ„์ด ๋งŒ๋‚˜๋Š” ์ง€์ ์„ ๋“œ๋Ÿฌ๋‚ธ๋‹ค๊ณ  ๋ณด์•˜๋‹ค. ๋ณธ์ธ์€ ๊ทธ ์ง€์ ์—์„œ ์ˆœํƒ„ํ•˜๊ฒŒ ์ ์‘ํ•˜๋Š” ๋ชจ์Šต๋ณด๋‹ค๋Š” ๋ณ€ํ™”์™€ ์ถฉ๋Œํ•˜๋Š” ๋ชจ์Šต์— ๊ด€์‹ฌ์„ ๊ฐ€์ ธ์™”๋‹ค. ํฐ ํž˜์„ ๊ฐ€์ง„ ์ชฝ์œผ๋กœ ํฌ์„ญ๋˜๊ธฐ๋ณด๋‹ค๋Š” ์ค‘๊ฐ„์˜ ์œ„์น˜๋ฅผ ์ง€ํ‚ค๊ณ ์ž ํ–ˆ๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค. ๋ณธ์ธ์˜ ์ด๋Ÿฌํ•œ ์ธ์‹์€ ์ค‘๊ฐ„์˜ ์œ„์น˜๋ฅผ ์ง€ํ‚ค๋Š” ๊ฒƒ์ด ๋ถˆ๊ฐ€ํ”ผํ•˜๊ฒŒ ๋Š๊ปด์ง€๋˜ ์‹œ๊ธฐ๊ฐ€ ํฐ ์˜ํ–ฅ์ด ๋˜์—ˆ๋‹ค. ํ•™์‚ฌ๋ฅผ ๋งˆ์น˜๊ณ  ํ”ผ์ธ ๋ฒ„๊ทธ์—์„œ ํ•œ๊ตญ์œผ๋กœ ์ด์ฃผํ•˜๋ฉด์„œ ์žฅ์†Œ์˜ ๋ณ€ํ™” ๋ฟ ์•„๋‹ˆ๋ผ ๋ณธ์ธ์„ ๊ตฌ์ถ•ํ•˜๋˜ ๋ณด์ด์ง€ ์•Š๋Š” ์šธํƒ€๋ฆฌ๊ฐ€ ์žฌ์ •๋ฆฝ๋˜์–ด์•ผ ํ•˜๋Š” ๊ฒƒ์„ ๋Š๊ผˆ๋‹ค. ๊ทธ ๊ณผ์ •์—์„œ ๋ฐ›์•„๋“ค์—ฌ์•ผ ํ•˜๋Š” ๋ณ€ํ™”์™€ ์ถฉ๋Œํ•˜๋ฉฐ, ๊ทธ ์‚ฌ์ด ์–ด๋”˜๊ฐ€์— ์žˆ์„ ๋ฐฉ๋ฒ•์„ ๋ชจ์ƒ‰ํ•˜๊ณ ์ž ํ–ˆ๋‹ค. ์ด์ฒ˜๋Ÿผ ๋ณธ์ธ์„ ๋‹ค์‹œ ๋Œ์•„๋ด์•ผ ํ–ˆ๋˜ ๋ณ€ํ™”(transition)์˜ ๊ฒฝํ—˜์„ ํ†ตํ•ด, ์ฃผ๋ณ€ ์„ธ๊ณ„ ๋˜ํ•œ ๊ฑฐ๋“ญ๋˜๋Š” ๋ณ€ํ™”๋ฅผ ๊ฒช๊ณ  ์žˆ๊ณ , ๊ทธ ์•ˆ์—์„  ์ž˜ ์„ž์ด์ง€ ์•Š๋Š” ์ด์งˆ์ ์ธ ๋ชจ์Šต๋“ค์ด ์กด์žฌํ•จ์„ ์ธ์‹ํ•˜๊ฒŒ ๋˜์—ˆ๋‹ค. ์ด์งˆ์ ์ธ ๋ชจ์Šต์€ ์ด๋‚ด ์„œ๋กœ ๋–ผ์–ด๋‚ผ ์ˆ˜ ์—†์„ ๋งŒํผ ๊ฒฐํ•ฉ๋œ ์ •์ฒด์„ฑ์„ ๊ฐ€์ง€๊ฑฐ๋‚˜, ์ง€์†ํ•ด์„œ ๋ณ€ํ™”ํ•˜๋Š” ๋ชจ์Šต์˜ ํ•œ ์ˆœ๊ฐ„์ด๋ผ๊ณ  ์—ฌ๊ธฐ๊ฒŒ ๋˜์—ˆ๊ณ , ์ด๋Ÿฌํ•œ ๋ณธ์ธ์˜ ์‹œ๊ฐ์€ ์ž‘์—…์— ๋ฐ˜์˜๋˜์—ˆ๋‹ค. ๋ณธ์ธ์ด 2015๋…„์—์„œ 2017๋…„๊นŒ์ง€ ์ „๊ฐœํ•ด์˜จ ์ผ๋ จ์˜ ์ž‘์—…์€, ์ฃผ๋ณ€ ์„ธ๊ณ„์™€ ๋ณ€ํ™”๋ฅผ ๋ฐ”๋ผ๋ณด๋Š” ๋ณธ์ธ์˜ ๊ด€์ ์ด ๋ณ€ํ™”ํ•จ์— ๋”ฐ๋ผ ๊ทธ ์ œ์ž‘ ๋ฐฉ์‹์ด ๋ฐ”๋€Œ์—ˆ๋‹ค. ๋ณธ๋ฌธ์—์„œ ์ด๋Ÿฌํ•œ ๋ณ€ํ™” ๊ณผ์ •์„ ์„ธ ๋‹จ๊ณ„๋กœ ๋‚˜๋ˆ„์–ด ์„œ์ˆ ํ•˜์˜€๋‹ค. ๊ท ํ˜• ์žก๊ธฐ์˜ ์ƒํƒœ๋Š” ๋ณ€ํ™”์— ๋Œ€ํ•œ ๋ณธ์ธ์˜ ๋ฐ˜์‘์œผ๋กœ, ๊ท ํ˜•์˜ ๋ชจ์Šต์„ ํ†ตํ•ด ๋ณ€ํ™”์˜ ์ƒํ™ฉ์— ๋†“์ธ ๋ณธ์ธ์˜ ์œ„์น˜์— ๋Œ€ํ•ด ์งˆ๋ฌธํ•˜์˜€๋‹ค. ๊ทธ ํ›„ ์ผ๋ จ์˜ ํ•œ ๋ฐฉ๋ฒ•๋ก ์œผ๋กœ ๊ฒฐํ•ฉ์„ ํ†ตํ•œ ๋ณ€ํ˜•์„ ์‹œ๋„ํ•˜๋ฉฐ, ์ด์ „์˜ ํ˜ผ์žฌ๋œ ์ƒํƒœ๋ฅผ ํ•˜๋‚˜์˜ ์ •์ฒด์„ฑ์œผ๋กœ ๋ฐ›์•„๋“ค์ด๊ณ  ๊ทธ ๋ชจ์Šต์„ ๊ฒฐํ•ฉํ•ด ๋ฐ”๋ผ๋ณด๊ณ ์ž ํ–ˆ๋‹ค. ๊ฒฐํ•ฉ์„ ํ†ตํ•ด ํŒŒํŽธ์ ์ธ ํ˜•ํƒœ๋ฅผ ํ•˜๋‚˜์˜ ํ˜•ํƒœ๋กœ ๋ณ€ํ˜•ํ•˜๊ฑฐ๋‚˜, ์ฃผ๋ณ€ ์‚ฌ๋ฌผ๋“ค๋กœ ์ด๋ฃจ์–ด์ง„ ๊ฒฐํ•ฉ์ฒด๋ฅผ ๋งŒ๋“ค์–ด ์˜ค๋Š˜๊ณผ ๋‚ด์ผ๋กœ ํ˜๋Ÿฌ๊ฐ€๋Š” ๋ณ€ํ™”์˜ ์ง€์ ์„ ํ‘œํ˜„ํ•˜๊ณ ์ž ํ–ˆ๋‹ค. ๋ณธ์ธ์—๊ฒŒ ์™„์ „ํ•œ ๊ฒฐํ•ฉ์€ ๊ณง ๋ฌผ๋ฆฌ์ ์ธ ๋ณ€ํ˜•์„ ๋œปํ•˜์˜€๋Š”๋ฐ, ์ด๋ฅผ ์—ฌ๋Ÿฌ ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ–ˆ๋‹ค. ํ…Œ๋ผ์ฝ”ํƒ€ ๊ธฐ๋ฒ•์œผ๋กœ ํ™์„ ๊ตฝ๊ฑฐ๋‚˜, ์ž์—ฐ๋ฌผ๊ณผ ๋‹ฎ์€ ์‚ฌ๋ฌผ์„ ๋งŒ๋“ค๊ณ , ์‹ค๋ฆฌ์ฝ˜ ๋ชฐ๋“œ๋กœ ํ˜•ํƒœ๋ฅผ ๋– ๋‚ด์–ด ๋ณ€ํ˜•๋œ ์‚ฌ๋ฌผ์„ ๋งŒ๋“œ๋Š” ์‹œ๋„๋ฅผ ์ด์–ด๋‚˜๊ฐ”๋‹ค. ๋ณ€ํ™”์— ๋Œ€ํ•œ ์ƒ์ƒ์—์„œ๋Š” ๋ณ€ํ™”ํ•˜๋Š” ๋Œ€์ƒ์„ ์ฃผ๋ณ€์˜ ์‚ฌ๋ฌผ์ด ์•„๋‹Œ ์œ ๊ธฐ์ ์ธ ์‹ ์ฒด๋กœ ์ƒ์ƒํ•ด ๋ณด์•˜๋‹ค. ํšจ์œจ์„ฑ๊ณผ ์ƒ์‚ฐ์˜ ์ง€์† ๊ฐ€๋Šฅ์„ฑ์„ ๊ณ ๋ คํ•ด ๊ณ ์•ˆํ•ด๋‚ธ ์‹ํ’ˆ๋“ค์ด ์ฃผ๋ณ€ ์„ธ๊ณ„์˜ ์ž‘๋™๋ฐฉ์‹๊ณผ ๋‹ฎ์•˜์Œ์„ ์ธ์‹ํ•˜๊ณ , ๊ทธ๋Ÿฌํ•œ ์‹ํ’ˆ์ด ๊ฐ€์ง€๋Š” ํŠน์„ฑ์„ ๋“ค์—ฌ๋‹ค๋ณด์•˜๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์ด๋ฅผ ๋‹ฎ์•„๊ฐ€๋Š” ์‹ ์ฒด์˜ ๋ชจ์Šต์„ ์‹œ๊ฐํ™”ํ–ˆ๋‹ค. ๊ท ํ˜• ์žก๊ธฐ์˜ ์ƒํƒœ์—์„œ ๋ณ€ํ™”์— ๋Œ€ํ•œ ์ƒ์ƒ๊นŒ์ง€ ์ž‘์—…์€ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์ฒ˜๋Ÿผ ์Œ“์—ฌ๊ฐ€๋Š” ํฌ๊ณ  ์ž‘์€ ์ฃผ๋ณ€ ์„ธ๊ณ„์˜ ํŒŒํŽธ๋“ค์„ ๋ชจ์•„ ๊ฒฐํ•ฉํ•˜๊ณ  ๋ณ€ํ˜•ํ•˜๋Š” ๋ฐฉ์‹์„ ๋”ฐ๋ฅธ๋‹ค. ์ง๊ด€์ ์œผ๋กœ ๊ฐ๊ฐํ•  ์ˆ˜ ์žˆ๋Š” ๋Œ€์ƒ๋“ค์€ ์ฃผ๋ณ€ ์„ธ๊ณ„์— ๋Œ€ํ•œ ์‹ค์งˆ์ ์ธ ๋‹จ์„œ๊ฐ€ ๋˜์–ด์ฃผ๋ฉฐ ๋ณ€ํ™”๋ฅผ ์˜ˆ์ธกํ•  ์ˆ˜ ์žˆ๋Š” ๋ชจ์Šต์„ ์ œ๊ณตํ–ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ๋ณธ์ธ์€ ๋‚ด์ผ๋กœ ํ–ฅํ•˜๋Š” ์ ์‘์˜ ํ˜•ํƒœ๋Š” ์–ด๋– ํ• ์ง€ ์ƒ์ƒํ•ด๋ณธ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์ž‘์—…์„ ํ†ตํ•ด ํ˜„์žฌ ์ฃผ๋ณ€ ์„ธ๊ณ„์™€ ๋ณธ์ธ์€ ์–ด๋– ํ•œ ๋ณ€ํ™”์˜ ๊ณผ์ •์— ์žˆ๋Š”์ง€ ํƒ๊ตฌํ•ด๋ณด๊ณ ์ž ํ–ˆ๋‹ค.์ฃผ๋ณ€ ์„ธ๊ณ„์™€์˜ ๊ด€๊ณ„ 1 1. ๊ท ํ˜• ์žก๊ธฐ์˜ ์ƒํƒœ 3 2. ๊ฒฐํ•ฉ์„ ํ†ตํ•œ ๋ณ€ํ˜• 8 3. ๋ณ€ํ™”์— ๋Œ€ํ•œ ์ƒ์ƒ 19 ๋งˆ์น˜๋ฉฐ 29 ์ž‘ํ’ˆ ๋ชฉ์ฐจ 31 ์ฐธ๊ณ  ๋ฌธํ—Œ 32 Abstract 33Maste

    Fabrication and characterization of highly porous 3-dimensional poly (lactic-co-glycolic acid) scaffold by electrospinning method

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    ํ•™์œ„๋…ผ๋ฌธ(์„์‚ฌ) --์„œ์šธ๋Œ€ํ•™๊ต ๋Œ€ํ•™์› :๋ฐ”์ด์˜ค์‹œ์Šคํ…œ.์†Œ์žฌํ•™๋ถ€(๋ฐ”์ด์˜ค์†Œ์žฌ๊ณตํ•™์ „๊ณต),2010.2.Maste
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