32 research outputs found

    베이비 뢐 μ„ΈλŒ€μ˜ μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€ μš”κ΅¬λ„ 쑰사

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    ν•™μœ„λ…Όλ¬Έ (석사)-- μ„œμšΈλŒ€ν•™κ΅ λŒ€ν•™μ› : κ°„ν˜Έν•™κ³Ό κ°„ν˜Έν•™ 전곡, 2013. 2. μœ€μˆœλ…•.λ³Έ μ—°κ΅¬λŠ” 베이비 뢐 μ„ΈλŒ€μ˜ μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€μ— λŒ€ν•œ μš”κ΅¬λ„λ₯Ό νŒŒμ•…ν•˜κΈ° μœ„ν•œ μ„œμˆ μ  쑰사 연ꡬ이닀. μ„œμšΈκ³Ό 경기도에 κ±°μ£Όν•˜λŠ” 베이비 뢐 μ„ΈλŒ€ 196λͺ…을 λŒ€μƒμœΌλ‘œ 2012λ…„ 9μ›” 3일뢀터 10μ›” 9μΌκΉŒμ§€ 자료λ₯Ό μˆ˜μ§‘ν•˜μ˜€λ‹€. μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€ μš”κ΅¬λ„ μΈ‘μ • λ„κ΅¬λŠ” κ°œμΈκ±΄κ°•κ°„ν˜Έ, μ‚Άμ˜ 방식 쑴쀑, μ‚¬νšŒμ  μƒν˜Έμž‘μš©, μ„œλΉ„μŠ€μ˜ 질 ν–₯상, μ•ˆμ „ν•œ ν™˜κ²½μ˜ 5개 μ˜μ—­μœΌλ‘œ κ΅¬μ„±λ˜μ—ˆκ³ , 1=μ „ν˜€ ν•„μš”ν•˜μ§€ μ•Šλ‹€λΆ€ν„° 5=맀우 ν•„μš”ν•˜λ‹€μ˜ 5점 척도이닀. 이 λ„κ΅¬μ˜Cronbachs Ξ±λŠ” .957μ΄μ˜€λ‹€. μˆ˜μ§‘λœ μžλ£ŒλŠ” SPSS 20.0을 μ΄μš©ν•˜μ—¬ μ„œμˆ μ  톡계, Ο‡2 κ²€μ •, t-test, ANOVA둜 λΆ„μ„ν•˜μ˜€λ‹€. λ³Έ μ—°κ΅¬μ˜ 뢄석 κ²°κ³ΌλŠ” λ‹€μŒκ³Ό κ°™λ‹€. 1) μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€ 쀑 μ‹œμ„€μ„œλΉ„μŠ€λ₯Ό μ„ ν˜Έν•˜λŠ” λŒ€μƒμžμ˜ μš”κ΅¬λ„λŠ” 평균 4.28(Β±0.53)μ΄μ—ˆλ‹€. μ˜μ—­λ³„ μ μˆ˜λŠ” μ•ˆμ „ν•œ ν™˜κ²½ μ˜μ—­ 평균 4.40(Β±0.69), μ‚¬νšŒμ  μƒν˜Έμž‘μš© μ˜μ—­ 평균 4.38(Β±0.55), μ„œλΉ„μŠ€μ˜ 질 ν–₯상 μ˜μ—­ 평균 4.34(Β±0.64), κ°œμΈκ±΄κ°•κ°„ν˜Έ μ˜μ—­ 평균 4.28(Β±0.69), μ‚Άμ˜ 방식 쑴쀑 μ˜μ—­ 평균 4.11(Β±0.60)의 순으둜 μš”κ΅¬λ„κ°€ λ†’κ²Œ λ‚˜νƒ€λ‚¬λ‹€ 2) μž¬κ°€μ„œλΉ„μŠ€λ₯Ό μ„ ν˜Έν•˜λŠ” λŒ€μƒμžμ˜ μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€ μš”κ΅¬λ„ ν‰κ· μ μˆ˜λŠ” 4.18(Β±0.56)둜 λ‚˜νƒ€λ‚¬λ‹€. μ‚¬νšŒμ  μƒν˜Έμž‘μš© μ˜μ—­ 4.37(Β±0.56), μ„œλΉ„μŠ€μ˜ 질 ν–₯상 μ˜μ—­ 4.32(Β±0.64), μ•ˆμ „ν•œ ν™˜κ²½ μ˜μ—­ 4.32(Β±0.81), κ°œμΈκ±΄κ°•κ°„ν˜Έ μ˜μ—­ 4.19(Β±0.68), μ‚Άμ˜ 방식 쑴쀑 μ˜μ—­ 3.83(Β±0.72)의 순으둜 λ‚˜νƒ€λ‚¬λ‹€. 3) μ‹œμ„€μ„œλΉ„μŠ€ μ„ ν˜Έ λŒ€μƒμžμ˜ νŠΉμ„±λ³„λ‘œλŠ” 성별, 노후희망거주지역, μ§ˆλ³‘μœ λ¬΄μ— 따라 μš”κ΅¬λ„μ— μœ μ˜ν•œ 차이λ₯Ό λ‚˜νƒ€λƒˆλ‹€. 여성인 경우, 노후희망거주지역을 λ„μ‹œλ‘œ μ„ νƒν•œ 경우, μ§ˆλ³‘μ΄ μ—†λŠ” 경우 κ°œμΈκ±΄κ°•κ°„ν˜Έ μ˜μ—­κ³Ό μ„œλΉ„μŠ€μ˜ 질 ν–₯상 μ˜μ—­μ—μ„œ μœ μ˜ν•˜κ²Œ 높은 μš”κ΅¬λ„λ₯Ό λ‚˜νƒ€λƒˆλ‹€. 4) μž¬κ°€μ„œλΉ„μŠ€λ₯Ό μ„ ν˜Έν•˜λŠ” λŒ€μƒμžλŠ” μ—°λ Ή, λ™κ±°κ°€μ‘±μˆ˜, 노후희망거주지역, 주관적 κ±΄κ°•μƒνƒœμ— 따라 μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€ μš”κ΅¬λ„μ—μ„œ μœ μ˜ν•œ 차이λ₯Ό λ‚˜νƒ€λƒˆλ‹€. 연령이 높은 경우 μ‚Άμ˜ 방식 쑴쀑 μ˜μ—­, λ™κ±°κ°€μ‘±μˆ˜κ°€ μ μ„μˆ˜λ‘ κ°œμΈκ±΄κ°•κ°„ν˜Έ μ˜μ—­, 노후희망거주지역이 λ„μ‹œμΈ 경우 μ•ˆμ „ν•œ ν™˜κ²½ μ˜μ—­, 주관적 κ±΄κ°•μƒνƒœκ°€ λ‚˜μ μˆ˜λ‘ κ°œμΈκ±΄κ°•κ°„ν˜Έ μ˜μ—­μ—μ„œ 높은 μš”κ΅¬λ„λ₯Ό λ³΄μ˜€λ‹€. μ΄μƒμ˜ 연ꡬ결과에 μ˜ν•˜λ©΄, 베이비 뢐 μ„ΈλŒ€λŠ” μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€μ˜ λ‹€μ–‘ν•œ μ˜μ—­μ—μ„œ λͺ¨λ‘ 높은 μš”κ΅¬λ„λ₯Ό 가지고 있고 νŠΉμ„±μ— 따라 μš”κ΅¬λ„κ°€ λ‹€λ₯Έ κ²ƒμœΌλ‘œ λ‚˜νƒ€λ‚¬λ‹€. 특히 μ‹œμ„€μ„œλΉ„μŠ€λ₯Ό μ„ ν˜Έν•˜λŠ” λŒ€μƒμžλ“€μ€ μ΄λ“€μ˜ νŠΉμ„±μ— 따라 κ°œμΈκ±΄κ°•κ°„ν˜Έ μ˜μ—­κ³Ό μ„œλΉ„μŠ€μ˜ 질 ν–₯상 μ˜μ—­μ˜ μš”κ΅¬λ„κ°€ μƒλŒ€μ μœΌλ‘œ λ†’κ²Œ λ‚˜νƒ€λ‚¬κ³ , μž¬κ°€μ„œλΉ„μŠ€ μ„ ν˜Έ λŒ€μƒμžμ˜ κ²½μš°λ„ νŠΉμ„±μ— λ”°λ₯Έ λ‹€μ–‘ν•œ μš”κ΅¬λ„λ₯Ό λ‚˜νƒ€λƒˆλ‹€. κ·ΈλŸ¬λ‚˜ ν˜„μž¬ μ œκ³΅λ˜λŠ” μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€λŠ” μš”μ–‘μ€‘μ‹¬μ˜ νšμΌν™”λœ μ„œλΉ„μŠ€λ₯Ό μ œκ³΅ν•˜κ³  μžˆλŠ” ν•œκ³„κ°€ μžˆλ‹€. κ·ΈλŸ¬λ―€λ‘œ ν–₯ν›„ μ‹€μ§ˆμ μΈ μž₯κΈ°μš”μ–‘μ„œλΉ„μŠ€ 이용자인 베이비 뢐 μ„ΈλŒ€μ˜ μš”κ΅¬μ— 맞좰 건강관련 μ„œλΉ„μŠ€λ₯Ό κ°•ν™”ν•˜κ³ , 개인의 νŠΉμ„±μ— λ”°λ₯Έ μ°¨λ³„ν™”λœ μ–‘μ§ˆμ˜ μ„œλΉ„μŠ€λ₯Ό κ°œλ°œν•˜μ—¬μ•Ό ν•  것이닀.κ΅­λ¬Έ 초둝 I. μ„œ λ‘  II. λ¬Έν—Œκ³ μ°° III. 연ꡬ방법 IV. 연ꡬ결과 V. λ…Ό 의 VI. κ²°λ‘  및 μ œμ–Έ μ°Έκ³ λ¬Έν—Œ 뢀둝 AbstractMaste

    Human Coronavirus in the 2014 Winter Season as a Cause of Lower Respiratory Tract Infection

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    PURPOSE: During the late autumn to winter season (October to December) in the Republic of Korea, respiratory syncytial virus (RSV) is the most common pathogen causing lower respiratory tract infections (LRTIs). Interestingly, in 2014, human coronavirus (HCoV) caused not only upper respiratory infections but also LRTIs more commonly than in other years. Therefore, we sought to determine the epidemiology, clinical characteristics, outcomes, and severity of illnesses associated with HCoV infections at a single center in Korea. MATERIALS AND METHODS: We retrospectively identified patients with positive HCoV respiratory specimens between October 2014 and December 2014 who were admitted to Severance Children's Hospital at Yonsei University Medical Center for LRTI. Charts of the patients with HCoV infection were reviewed and compared with RSV infection. RESULTS: During the study period, HCoV was the third most common respiratory virus and accounted for 13.7% of infections. Coinfection was detected in 43.8% of children with HCoV. Interestingly, one patient had both HCoV-OC43 and HCoV-NL63. Mild pneumonia was most common (60.4%) with HCoV, and when combined with RSV, resulted in bronchiolitis. Two patients required care in the intensive care unit. However, compared with that of RSV infection, the disease course HCoV was short. CONCLUSION: Infections caused by HCoVs are common, and can cause LRTIs. During an epidemic season, clinicians should be given special consideration thereto. When combined with other medical conditions, such as neurologic or cardiologic diseases, intensive care unit (ICU) care may be necessary.ope

    Usefulness of neutrophil-lymphocyte ratio in young children with febrile urinary tract infection

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    Purpose : Acute pyelonephritis (APN) is a serious bacterial infection that can cause renal scarring in children. Early identification of APN is critical to improve treatment outcomes. The neutrophil-lymphocyte ratio (NLR) is a prognostic marker of many diseases, but it has not yet been established in urinary tract infection (UTI). The aim of this study was to determine whether NLR is a useful marker to predict APN or vesicoureteral reflux (VUR). Methods : We retrospectively evaluated 298 pediatric patients (age≀36 months) with febrile UTI from January 2010 to December 2014. Conventional infection markers (white blood cell [WBC] count, erythrocyte sedimentation rate [ESR], C-reactive protein [CRP]), and NLR were measured. Results : WBC, CRP, ESR, and NLR were higher in APN than in lower UTI (P<0.001). Multiple logistic regression analyses showed that NLR was a predictive factor for positive dimercaptosuccinic acid (DMSA) defects (P<0.001). The area under the receiver operating characteristic (ROC) curve was high for NLR (P<0.001) as well as CRP (P<0.001) for prediction of DMSA defects. NLR showed the highest area under the ROC curve for diagnosis of VUR (P<0.001). Conclusion : NLR can be used as a diagnostic marker of APN with DMSA defect, showing better results than those of conventional markers for VUR prediction.ope

    Hyponatremia in patients with systemic lupus erythematosus

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    The aim of this study was to determine whether decreased serum sodium concentration could be associated with the disease activity in SLE. We retrospectively analyzed the data of the two independent cohorts of children and adults with SLE in two centers. Hyponatremia was associated with serum chloride (p = 0.004), albumin (p = 0.002) and SLE disease activity index (SLEDAI) (p = 0.026) in children with SLE. Serum sodium levels were correlated negatively with ESR (p =0.001) and positively with serum albumin levels (p < 0.0001) and C3 (p = 0.008) in children with SLE and those levels were correlated negatively with serum interleukin-6 levels (p = 0.003) in adults with SLE. Independent risk factors for the development of hyponatremia were the decreased serum C3 levels (OR 1.069, p = 0.031), the decreased serum chloride levels (OR 2.054, p = 0.006) and increased erythrocyte sedimentation rate (ESR) (OR 1.066, p = 0.03) in children with SLE and increased C-reactive protein (CRP) (OR 1.480, p = 0.023) in combined cohorts with SLE by multiple logistic regression analyses. Our study firstly showed that hyponatremia could reflect a disease activity and severe inflammation of SLE.ope

    A Case of Ileal Mucormycosis in a Patient with Gastrointestinal Behcet’s Disease

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    Zygomycosis (mucormycosis) is a rare fungal infectious disease, usually found in association with an immunocompromised state. Gastrointestinal mucormycosis is extremely rare and fatal, thus it is important to detect and manage this disease at an early stage in an effort to improve survival. To date, no cases of mucormycosis superimposed on gastrointestinal Behcet’s disease have been reported. Herein we report a case in which gastrointestinal mucormycosis occurred in a 17-year-old-female with Behcet’s disease. The patient recovered from her disease after undergoing an ileocecectomyope

    Clinical Efficacy of Nonsurgical Treatment of Crohn`s Disease-related Intraabdominal Abscess

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    Background/Aims: This study was conducted to compare the clinical efficacy between surgical and nonsurgical treatments for patients with Crohn`s disease-related intraabdominal abscess. Methods: A retrospective review of medical records was performed for patients admitted to a single institution due to Crohn`s disease-related intra-abdominal abscess from February, 1996 to February, 2008. Clinical outcomes were compared between surgical and nonsurgical groups in terms of treatment responses and recurrences. Results: A total of 47 episodes of intra-abdominal abscesses in 43 patients (12.7%) were identified from 339 patients with Crohn`s disease. Of these, initially, 18 cases (38.3%) underwent surgical treatment and 29 (61.7%) were treated medically (antibiotic treatments with or without percutaneous drainage). The overall treatment response rates of surgical and nonsurgical group were 100% versus 89.7% (p=0.11) and recurrence rates were 27.8% versus 30.8% (p=1.00). Three patients in nonsurgical group (10.3%) showed no response to therapy and ultimately received surgical drainages. The median length of hospitalization in nonsurgical group was shorter than in surgical group (12 and 29.5 days, respectively. p=0.02). Conclusions: Nonsurgical treatment might be as effective as surgical treatment for the treatment of Crohn`s disease-related intraabdominal abscess, especially considering shorter hospital stayope

    CRISPR/Cas9 μ‹œμŠ€ν…œμ„ μ΄μš©ν•œ akap12α와 β의 knockout μ œλΈŒλΌν”Όμ‰¬μ˜ ꡬ좕

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    ν•™μœ„λ…Όλ¬Έ (석사)-- μ„œμšΈλŒ€ν•™κ΅ μœ΅ν•©κ³Όν•™κΈ°μˆ λŒ€ν•™μ› : μœ΅ν•©κ³Όν•™κΈ°μˆ λŒ€ν•™μ› λΆ„μžμ˜ν•™ 및 λ°”μ΄μ˜€μ œμ•½ν•™κ³Ό λΆ„μžμ˜ν•™ 및 λ°”μ΄μ˜€μ œμ•½ν•™ 전곡, 2016. 2. κΉ€κ·œμ›.AKAP12 (A-Kinase Anchoring Protein 12) is a scaffolding protein which regulates various biological processes. It has been reported that AKAP12 regulates the cytokinesis progression and involves in the formation of brain-barrier by regulating angiogenesis and tight junction formation. Also, AKAP12 has a tumor suppressor function and relates to cell migration. AKAP12 has several binding partners such as PK (protein kinase) C and A, calmodulin, cyclins, phosphoinositides and Ξ²-1,4 galactosyltransferase. It has been identified that there are three types of AKAP12 isoforms (designated Ξ±, Ξ² and Ξ³) with different promoters in human. In zebrafish, two types of AKAP12 isoforms, AKAP12Ξ± and AKAP12Ξ², have been reported. We confirmed that AKAP12Ξ± and AKAP12Ξ² were expressed similarly but distinctly. However, each function of two isoforms is not known so far. To elucidate the role of AKAP12 isoforms, we constructed akap12Ξ± or Ξ² specific knockout zebrafish. To construct knockout zebrafish, we adopted CRISPR/Cas9 (Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-associated nuclease 9) system which is powerful and efficient tool for genome modifications at the targeted genomic locus. Here, we reported the construction of akap12Ξ± or Ξ² specific knockout zebrafish using the latest genome editing tool. To confirm the mutagenesis, we performed T7E1 (T7 endonuclease 1) assay. As a result, expected fragments were detected and indicated the CRISPR/Cas9-mediated modification. Also, we confirmed the presence of indel mutation by DNA sequencing of the akap12Ξ± or Ξ² specific target region. The results displayed that several bases were deleted or inserted. Then, we identified developmental abnormalities of akap12Ξ± or Ξ² specific knockout zebrafish. Trunk defect, hemorrhage and disrupted heart laterality were observed in akap12Ξ± or Ξ² specific knockout zebrafish. However, there was slight difference between akap12Ξ± knockout zebrafish and akap12Ξ² knockout zebrafish in quantitative analysis. In akap12Ξ² knockout zebrafish, abnormal embryos were more observed relatively. Taken together, these data suggested that AKAP12Ξ± and AKAP12Ξ² performed similar functions, but there was slight difference in expression period and amounts. akap12Ξ² was expressed form the earlier stage and more abundantly. Moreover, akap12Ξ² knockout embryos showed more defects numerically.INTRODUCTION 7 1. AKAP12 (A-Kinase Anchoring Protein 12) 7 2. CRISPR/Cas9 (Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-associated nuclease 9) system 10 MATERIALS AND METHODS 13 1. Zebrafish maintenance 13 2. Preparation of anti-sense probes 13 3. Whole-mount in situ hybridization 13 4. Isolation of zebrafish RNA and cDNA synthesis 14 5. Polymerase chain Reaction (PCR) 15 6. Morpholino microinjection 15 7. Construction of gRNA 16 8. RNA synthesis 17 9. mRNA microinjection 17 10. T7 Endonuclease 1 Assay 17 11. Microscopy 18 RESULTS 19 1. Expression of akap12 during zebrafish development 19 2. Two isoforms of akap12 in zebrafish 21 3. Identification of spatiotemporal expression of akap12Ξ±, Ξ² 23 4. CRISPR/Cas9-mediated mutagenesis of akap12Ξ± or Ξ² in zebrafish 27 5. Identification of developmental abnormalities of akap12Ξ± or Ξ² knockout zebrafish 30 DISCUSSION 34 REFERENCES 37 ABSTRACT IN KOREAN 41Maste

    Developmental Study on Augmented Reality Based Instructional Design Principles

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    ν•™μœ„λ…Όλ¬Έ (박사)-- μ„œμšΈλŒ€ν•™κ΅ λŒ€ν•™μ› : μ‚¬λ²”λŒ€ν•™ κ΅μœ‘ν•™κ³Ό(κ΅μœ‘κ³΅ν•™μ „κ³΅), 2019. 2. μž„μ² μΌ.Augmented reality enables learners to learn actively, enhances sensory immersion, interest and motivation, and supports learning by experiencing in a real 3D environment, which was only available in 2D through natural interfaces. Therefore, it is effective to apply to learning content that is difficult to understand, difficult to visualize, abstract learning concepts, high risk, and costly experiences and experiments. In recent years, various attempts have been made to apply the advantages of augmented reality to higher education classes as a tool to support effective learning due to active participation of learners. However, augmented reality in the education field, it is mainly used in elementaryΒ·middleΒ·high schools, as one-time guidance or simple experience through workshops and seminars, and is mainly used for simple games and entertainment rather than professional content that can be effective in learning. In addition, although the selection and use of augmented reality devices and contents should be carried out in the overall class when applying augmented reality to the classroom environment, there is still a lack of guidance and information on how to design classes for augmented reality-based classes, making it difficult to effectively utilize and reflect the advantages of augmented reality. Therefore, in order to effectively use the characteristics of augmented reality, a design principle for augmented reality classes is needed. This study was conducted for the purpose of developing Instructional principles for designing and implementing augmented reality effectively in the context of higher education based on the unique learning experiences of learners generated through augmented reality. In particular, professors were allowed to understand the introduction and selection of augmented reality in classes and the utilization method of supporting a series of learning activities through the entire class design process. In order to achieve the above objectives, the research questions are (1) to develop instructional principles for AR and (2) to verify the effectiveness of developed instructional principles for the professor and the learner. Design and development research was adopted in this study and performed by the following procedure. First, for initial instructional principles of augmented reality-based classes, literature review and initial expert interview were conducted, and experts usability test, validation process and on-site validation were carried out for validation. 5 instructional design experts conducted four expert validation and 3 highly educated professors with experience in designing and implementing augmented reality classes participated in usability evaluation. On-site validation carried out pilot on-site validation and on-site evaluation, and on April 30, 2018, a pilot validation was conducted by 1 professor at S University Medical School and 9 learners at the class. In addition to 1 professor at S University Medical School and 16 learners from the class participated in the on-site validation for four weeks from May 4th to May 25th, 2018. As a result of the study, β‘ Principle of Objective Consistency, β‘‘Principle of Optimal AR Selection, β‘’Principle of AR Utilization Mastery, β‘£Principle of Optimal AR Utilization Environment β‘€Principle of Active Knowledge Construction, β‘₯Principle of Visual Intelligence Enhancement, ⑦Principle of Collaborative Learning Enhancement, ⑧Principle of Integrated Evaluation, ⑨Principle of Sustainable Reflection, a total of 9 instructional principles were developed as instructional principles for AR class. In addition, a total of 24 detailed guidelines were developed for each instructional principles to implement the principle. As a result of site application, the classes applied with this instructional principles were helpful for learners' learning and were found to be useful instructional principles that guide professors to systematically design augmented reality-based classes. The WEARER conceptual model for augmented reality-based classes was also presented in addition. Based on the above findings, the theoreticalΒ·practical implications of this study were discussed in terms of instructional design and practical strategy of augmented reality. As a follow-up study, various empirical studies on the effects of instructional principles, application study of principles in terms of diverse curriculum, and the need for further research on evaluation of AR Class were discussed, and suggested for the need for research on Instructional principles of augmented realityΒ·mixed reality.μ¦κ°•ν˜„μ‹€μ€ ν•™μŠ΅μžμ˜ λŠ₯동적인 ν•™μŠ΅μ„ κ°€λŠ₯ν•˜κ²Œ ν•˜κ³ , 감각적 λͺ°μž…을 ν†΅ν•œ ν₯λ―Έ 및 동기λ₯Ό λ†’μ—¬μ€€λ‹€. λ•Œλ¬Έμ— 2D둜만 κ°€λŠ₯ν•˜λ˜ ν•™μŠ΅μ„ μžμ—°μŠ€λŸ¬μš΄ μΈν„°νŽ˜μ΄μŠ€λ₯Ό 톡해 μ‹€μž¬κ° μžˆλŠ” 3D ν™˜κ²½μ—μ„œμ˜ ν•™μŠ΅μ„ μ§€μ›ν•œλ‹€. μ¦κ°•ν˜„μ‹€ 기반 κ΅μœ‘μ€ ν…μŠ€νŠΈμ™€ μžλ£Œμ„€λͺ…μœΌλ‘œλ§Œμ€ μ–΄λ €μš΄ ν•™μŠ΅λ‚΄μš©, κ°€μ‹œν™”ν•˜κΈ° κΉŒλ‹€λ‘œμš΄ λ‚΄μš©, 좔상적인 ν•™μŠ΅κ°œλ…, κ³ μœ„ν—˜ 및 κ²½λΉ„κ°€ 많이 λ“œλŠ” κ²½ν—˜Β·μ‹€ν—˜ 등에 μ μš©ν•˜κΈ°μ— νš¨κ³Όμ μ΄λ‹€. μ΅œκ·Όμ—λŠ” ν•™μŠ΅μžμ˜ 적극적 μ°Έμ—¬λ‘œ μΈν•œ 효과적인 ν•™μŠ΅μ„ μ§€μ›ν•˜λŠ” λ„κ΅¬λ‘œμ¨ μ¦κ°•ν˜„μ‹€μ΄ μ§€λ‹Œ μž₯점듀을 κ³ λ“±κ΅μœ‘ μˆ˜μ—…μ— μ μš©ν•˜λ €λŠ” λ‹€μ–‘ν•œ μ‹œλ„κ°€ 이루어지고 μžˆλ‹€. κ·ΈλŸ¬λ‚˜ 학ꡐ ν˜„μž₯μ—μ„œμ˜ μ¦κ°•ν˜„μ‹€ ν™œμš© 양상을 μ‚΄νŽ΄λ³΄λ©΄ 주둜 λ‹¨νŽΈμ μœΌλ‘œ μ΄ˆΒ·μ€‘Β·κ³ λ“±ν•™κ΅μ—μ„œ μ μš©λ˜κ±°λ‚˜, κ³ λ“±κ΅μœ‘μ—μ„œ μ›Œν¬μƒ΅Β·μ„Έλ―Έλ‚˜λ₯Ό ν†΅ν•œ μΌνšŒμ„± ν˜Ήμ€ κ°„λ‹¨ν•œ κ²½ν—˜μ •λ„λ‘œ 이용되고 있으며, ν•™μŠ΅μ— 효과λ₯Ό 쀄 수 μžˆλŠ” 전문적인 λ‚΄μš© λ³΄λ‹€λŠ” 주둜 κ²Œμž„Β·μ—”ν„°ν…Œμ΄λ¨ΌνŠΈ μš©λ„λ‘œ λ‹¨μˆœνžˆ μ‚¬μš©λ˜κ³  μžˆλ‹€. λ˜ν•œ μ¦κ°•ν˜„μ‹€μ„ μˆ˜μ—…ν™˜κ²½μ— λ„μž…ν•˜κ³ μž ν•  λ•Œ μ¦κ°•ν˜„μ‹€ κΈ°κΈ° 및 μ½˜ν…μΈ μ˜ 선택과 ν™œμš©μ€ μˆ˜μ—… μ „-쀑-ν›„κ³Ό 같은 전체적인 μˆ˜μ—…μ—μ„œ 이루어져야함에도 λΆˆκ΅¬ν•˜κ³  μ•„μ§κΉŒμ§€λŠ” μ¦κ°•ν˜„μ‹€ μˆ˜μ—…μ— λŒ€ν•œ 세뢀적인 μ•ˆλ‚΄μ™€ 정보가 λ―Έν‘ν•œ 상황이닀. 선행연ꡬ에 μ˜ν•˜λ©΄ κ΅μˆ˜μžλ“€μ€ μ¦κ°•ν˜„μ‹€ ν•˜λ“œμ›¨μ–΄ 및 μ†Œν”„νŠΈμ›¨μ–΄μ˜ 선택에 λŒ€ν•œ 정보 λΆ€μ‘±, μ¦κ°•ν˜„μ‹€μ˜ ꡐ윑적 효과 여뢀에 λŒ€ν•œ 선행연ꡬ λΆ€μ‘±, ꡐ수자 슀슀둜 자료λ₯Ό κ°œλ°œν•  μ‹œκ°„κ³Ό μ—­λŸ‰ λΆ€μ‘± λ“±μ˜ 어렀움을 보여주고 μžˆλ‹€. λ•Œλ¬Έμ— μ¦κ°•ν˜„μ‹€μ΄ 가지고 μžˆλŠ” λ‹€μ–‘ν•œ ꡐ윑적 μž₯점에도 λΆˆκ΅¬ν•˜κ³ , 이λ₯Ό 효과적으둜 μˆ˜μ—…μ— λ°˜μ˜ν•˜κ±°λ‚˜ 이λ₯Ό 톡해 μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ˜ ν•™μŠ΅νš¨κ³Όλ₯Ό κ·ΉλŒ€ν™” ν•˜κΈ°λŠ” μ–΄λ ΅λ‹€. λ³Έ μ—°κ΅¬λŠ” μ΄λŸ¬ν•œ 점에 μ£Όλͺ©ν•˜μ—¬ μ¦κ°•ν˜„μ‹€μ„ 톡해 λ°œμƒν•˜λŠ” ν•™μŠ΅μžμ˜ λ…νŠΉν•œ ν•™μŠ΅κ²½ν—˜μ„ λ°”νƒ•μœΌλ‘œ κ³ λ“±κ΅μœ‘λ§₯λ½μ—μ„œ μ¦κ°•ν˜„μ‹€μ„ 효과적으둜 μ„€κ³„ν•˜κ³  μ‹€μ²œν•˜κΈ° μœ„ν•œ μˆ˜μ—…μ„€κ³„ 원리λ₯Ό κ°œλ°œν•˜λŠ” 것을 λͺ©μ μœΌλ‘œ μ‹€ν–‰λ˜μ—ˆλ‹€. μœ„μ™€ 같은 λͺ©μ μ„ λ‹¬μ„±ν•˜κΈ° μœ„ν•˜μ—¬ μ—°κ΅¬λ¬Έμ œλ₯Ό 첫째, μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μœ„ν•œ μˆ˜μ—…μ„€κ³„ 원리λ₯Ό κ°œλ°œν•˜κ³ , λ‘˜μ§Έ, 개발된 섀계원리에 λŒ€ν•œ κ΅μˆ˜μžμ™€ ν•™μŠ΅μžμ˜ λ°˜μ‘μ„ κ²€ν† ν•˜λŠ” κ²ƒμœΌλ‘œ μ„€μ •ν•˜μ˜€λ‹€. λ³Έ μ—°κ΅¬λŠ” μ„€κ³„Β·κ°œλ°œ 연ꡬ방법을 μ μš©ν•˜μ˜€μœΌλ©°, λ‹€μŒμ˜ 절차둜 μˆ˜ν–‰λ˜μ—ˆλ‹€. μš°μ„  μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ˜ 초기 섀계 μ›λ¦¬μ˜ λ„μΆœμ„ μœ„ν•˜μ—¬ μ„ ν–‰λ¬Έν—Œ κ³ μ°°κ³Ό 초기 μ „λ¬Έκ°€ 면담을 μ‹€μ‹œν•˜μ˜€κ³ , 타당화λ₯Ό μœ„ν•΄ μ „λ¬Έκ°€ 타당화 검토와 μ‚¬μš©μ„± 평가, 두 μ°¨λ‘€μ˜ ν˜„μž₯ 평가λ₯Ό μ‹€μ‹œν•˜μ˜€λ‹€. 이후 κ΅μˆ˜μ„€κ³„ μ „λ¬Έκ°€ 5인이 λ„€ μ°¨λ‘€μ˜ μ „λ¬Έκ°€ 타당화λ₯Ό μ§„ν–‰ν•˜μ˜€κ³ , μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ 섀계 및 μ‹€ν–‰ν•΄λ³Έ κ²½ν—˜μ΄ μžˆλŠ” κ³ λ“±κ΅μœ‘ ꡐ수자 2인과 μˆ˜μ—…μ‘°κ΅ 1인이 μ‚¬μš©μ„± 평가에 μ°Έμ—¬ν•˜μ˜€λ‹€. μ™Έμ νƒ€λ‹Ήν™”λŠ” μ˜ˆλΉ„ ν˜„μž₯ 평가와 ν˜„μž₯ 평가λ₯Ό μ§„ν–‰ν•˜μ˜€κ³ , μ˜ˆλΉ„ ν˜„μž₯ ν‰κ°€λŠ” 2018λ…„ 4μ›” SλŒ€ν•™μ˜ μ˜κ³ΌλŒ€ν•™ ꡐ수자 1인과 ν•΄λ‹Ήμˆ˜μ—…μ˜ ν•™μŠ΅μž 9λͺ…이 μ°Έμ—¬ν•˜μ˜€κ³ , ν˜„μž₯ ν‰κ°€μ—λŠ” SλŒ€ν•™ μ˜κ³ΌλŒ€ν•™μ˜ ꡐ수자 1인과 ν•΄λ‹Ή μˆ˜μ—…μ˜ 16λͺ…μ˜ ν•™μŠ΅μžκ°€ 2018λ…„ 5μ›” 4일뢀터 5μ›” 25μΌκΉŒμ§€ 총 4μ£Όκ°„ μ°Έμ—¬ν•˜μ˜€λ‹€. 연ꡬ결과, μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„€κ³„ μ›λ¦¬λ‘œ β‘ λͺ©ν‘œ μ •ν•©μ„±μ˜ 원리, β‘‘μ΅œμ μ˜ ARμ„ μ •μ˜ 원리, β‘’AR ν™œμš© μˆ™λ‹¬μ˜ 원리, β‘£μ΅œμ μ˜ AR ν™œμš© ν™˜κ²½μ˜ 원리, β‘€λŠ₯동적인 지식ꡬ성 μ΄‰μ§„μ˜ 원리, β‘₯μ‹œκ°μ§€λŠ₯ μ΄‰μ§„μ˜ 원리, β‘¦ν˜‘λ™ν•™μŠ΅ μ΄‰μ§„μ˜ 원리, ⑧톡합적 성취도 ν‰κ°€μ˜ 원리, ⑨지속가λŠ₯κ°œμ„ μ„ μœ„ν•œ μ„±μ°°μ˜ 원리, 총 9개의 μˆ˜μ—…μ„€κ³„ 원리가 κ°œλ°œλ˜μ—ˆλ‹€. λ˜ν•œ 각 μˆ˜μ—…μ„€κ³„ μ›λ¦¬μ—λŠ” κ·Έ 원리λ₯Ό κ΅¬ν˜„ν•˜λŠ”λ° ν•„μš”ν•œ 상세지침 총 24κ°œκ°€ κ°œλ°œλ˜μ—ˆλ‹€. ν˜„μž₯적용결과, λ³Έ μˆ˜μ—…μ„€κ³„ μ›λ¦¬λŠ” κ΅μˆ˜μžκ°€ μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μ²΄κ³„μ μœΌλ‘œ 섀계할 수 μžˆλ„λ‘ μ•ˆλ‚΄ν•˜λŠ” μœ μš©ν•œ μ„€κ³„μ›λ¦¬μž„μ„ ν™•μΈν•˜μ˜€κ³ , ν•™μŠ΅μžμ˜ μ§€μ‹μŠ΅λ“μ—λ„ 도움이 λ˜μ—ˆλ‹€λŠ” 것을 ν™•μΈν•˜μ˜€λ‹€. λ§ˆμ§€λ§‰μœΌλ‘œ μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μœ„ν•œ WEARER 절차λͺ¨ν˜•μ„ μΆ”κ°€μ μœΌλ‘œ μ œμ‹œν•˜μ˜€λ‹€. μ΄μƒμ˜ 연ꡬ결과에 κΈ°μ΄ˆν•˜μ—¬ λ³Έ μ—°κ΅¬μ˜ μ΄λ‘ μ Β·μ‹€μ²œμ  ν•¨μ˜λ₯Ό μ¦κ°•ν˜„μ‹€μ˜ κ΅μˆ˜μ„€κ³„ μΈ‘λ©΄κ³Ό μ‹€μ²œμ „λž΅ μΈ‘λ©΄μ—μ„œ λ…Όμ˜ν•˜μ˜€λ‹€. ν›„μ†μ—°κ΅¬λ‘œμ„œ μˆ˜μ—…μ„€κ³„ μ›λ¦¬μ˜ νš¨κ³Όμ— λŒ€ν•œ 닀각적인 싀증 연ꡬ, λ‹€μ–‘ν•œ ꡐ과λ§₯λ½μ—μ„œμ˜ 원리 적용 연ꡬ, μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—… 평가 연ꡬ에 λŒ€ν•œ μΆ”ν›„ μ—°κ΅¬μ˜ ν•„μš”μ„±μ— λŒ€ν•΄μ„œ λ…Όμ˜ν•˜μ˜€κ³ , 기술적 κ΅¬ν˜„ 방법에 λ”°λ₯Έ μ¦κ°•ν˜„μ‹€ μœ ν˜•λ³„ μˆ˜μ—…μ„€κ³„ 원리에 λŒ€ν•œ 연ꡬ 등이 ν•„μš”ν•¨μ„ μ œμ–Έν•˜μ˜€λ‹€.I. μ„œλ‘  1 1. μ—°κ΅¬μ˜ ν•„μš”μ„± 및 λͺ©μ  1 2. 연ꡬ 문제 9 3. μ—°κ΅¬μ˜ 의의 9 4. μš©μ–΄ μ •μ˜ 12 β…‘. 이둠적 λ°°κ²½ 14 1. μ¦κ°•ν˜„μ‹€μ˜ νŠΉμ„±κ³Ό μœ ν˜• 14 κ°€. μ¦κ°•ν˜„μ‹€μ˜ κ°œλ… 및 νŠΉμ§• 14 λ‚˜. μ¦κ°•ν˜„μ‹€ λΆ„λ₯˜ 및 κ΅¬μ„±μš”μ†Œ 23 λ‹€. μ¦κ°•ν˜„μ‹€ 개발 및 ν™œμš©λΆ„μ•Ό 37 2. μ¦κ°•ν˜„μ‹€μ˜ ꡐ윑적 ν™œμš© 46 κ°€. μ¦κ°•ν˜„μ‹€ κ΅μœ‘μ½˜ν…μΈ  λΆ„λ₯˜ 및 μ μš©μ‚¬λ‘€ 46 λ‚˜. μ¦κ°•ν˜„μ‹€ μ—°κ΅¬νŠΉμ„± 63 3. μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μœ„ν•œ 섀계원리 67 κ°€. κ΅¬μ„±μ£Όμ˜μ  이둠적 κΈ°μ € 67 λ‚˜. μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„€κ³„ 원리 95 β…’. 연ꡬ방법 103 1. μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μœ„ν•œ 섀계원리 개발 107 κ°€. μ„ ν–‰λ¬Έν—Œ 검토와 초기 μ „λ¬Έκ°€ 면담을 ν†΅ν•œ 초기 μˆ˜μ—… 섀계원리 개발 107 λ‚˜. 섀계원리에 λŒ€ν•œ μ „λ¬Έκ°€ 타당화 109 λ‹€. 섀계원리에 λŒ€ν•œ μ‚¬μš©μ„± 평가 115 2. μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„€κ³„ 원리가 적용된 μˆ˜μ—…μ— λŒ€ν•œ ꡐ수자 및 ν•™μŠ΅μž λ°˜μ‘ 쑰사 117 κ°€. μ˜ˆλΉ„ ν˜„μž₯ 평가 118 λ‚˜. ν˜„μž₯ 평가 122 IV. 연ꡬ결과 129 1. 초기 원리 개발 129 κ°€. μ„ ν–‰λ¬Έν—Œ κ³ μ°°κ³Ό 초기 μ „λ¬Έκ°€ 면담을 ν†΅ν•œ κ΅¬μ„±μš”μ†Œ 및 초기 섀계원리 λ„μΆœ 129 λ‚˜. μ΄ˆκΈ°μ„€κ³„μ›λ¦¬μ™€ 상세지침 144 2. 내적 타당화 149 κ°€. 섀계원리에 λŒ€ν•œ μ „λ¬Έκ°€ 타당화 149 λ‚˜. κ°œλ³„μ„€κ³„μ›λ¦¬μ— λŒ€ν•œ μ „λ¬Έκ°€ 타당화 153 λ‹€ μ‚¬μš©μ„± 평가 181 3. 외적 타당화 184 κ°€. μ˜ˆλΉ„ ν˜„μž₯ 평가λ₯Ό μœ„ν•œ μˆ˜μ—…μ˜ 섀계 및 μ‹€ν–‰ 185 λ‚˜. ꡐ수자 λ°˜μ‘ 188 λ‹€. ν•™μŠ΅μž λ°˜μ‘ 191 라. ν˜„μž₯ 평가λ₯Ό μœ„ν•œ μˆ˜μ—…μ˜ 섀계 및 μ‹€ν–‰ 202 마. ꡐ수자 λ°˜μ‘ 212 λ°”. ν•™μŠ΅μž λ°˜μ‘ 214 사. μ΅œμ’…μ„€κ³„μ›λ¦¬μ™€ 상세지침 237 V. λ…Όμ˜ 및 κ²°λ‘  262 1. λ…Όμ˜ 262 κ°€. μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μœ„ν•œ κ΅μˆ˜μ„€κ³„ 262 λ‚˜. μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μœ„ν•œ μ‹€μ²œμ „λž΅ 266 λ‹€. μ¦κ°•ν˜„μ‹€ 기반 μˆ˜μ—…μ„ μœ„ν•œ 절차λͺ¨ν˜• 270 라. μ—°κ΅¬κ²°κ³Όμ˜ μ΄λ‘ μ Β·μ‹€μ²œμ  ν•¨μ˜ 275 2. κ²°λ‘  및 μ œμ–Έ 277 κ°€. μš”μ•½ 및 κ²°λ‘  277 λ‚˜. μ—°κ΅¬μ˜ ν•œκ³„ 및 μΆ”ν›„ 연ꡬλ₯Ό μœ„ν•œ μ œμ–Έ 280 μ°Έκ³ λ¬Έν—Œ 283 뢀둝 309 ABSTRACT 419Docto

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