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        검색결과 60

        21.
        2010.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Since physical therapy was first introduced in Korea, it has been 50 years past and Korean physical therapy has made rapid progress. However, history or educational system of Korean physical therapy is still not known worldwide. Now, for Korean physical therapy to go beyond Asia and leap toward the world, endless studies, efforts and publicity are required. Korean physical therapy first began by missionaries dispatched from other countries like America and Canada with Korean War, which occurred in 1950. After the War, Korean Physical Therapy is devel˗ oped very fast. Korean Physical Therapy Association was founded in October 1, 1965 and many physical therapist were discharged. Korea became a full member of World Confederation of Physical Therapy(WCPT) in 1974, and held the 2nd Asia Pacific Confederation of Physical Therapy assembly in 1984 and WCPT assembly in 2005. Today, in 2010, licensed physical therapists are about 35,000 and there are physical therapy departments in 74 universities, and 17 uni˗ versities have master's or doctor's degree courses. And there are many academic journals(more than 10) related to physical therapy that are published. Many Korean physical therapists are working at various countries like America or Australia, and are acknowledged with excellent treatment technology and academic studies. This thesis aims to shed new light to the history and educational system reorganization of Korean phys˗ ical therapy and introduce it to the world, and establish the historical foundation to develop Korean physical therapy into the international level.
        4,000원
        22.
        2010.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Supposing that somatotype evaluation results would have significant differences between the public group with less amounts of exercises and the special group with intensive exercises for three to four times a day, this study aimed at comparing the mutual consistency between the results determined by somatotype evaluation tools such as visually calculated index(VCI), Rohrer's Index(RI) and Body Mass Index(BMI). The public, taekwondo players and judo players groups were com˗ posed of fifty persons, taekwondo players and judo players passed through VCI determination, respectively. Their height and weight were examined and analyzed with somatotype evaluation tools. Comparison of somatotype dispersion of RI and VCI showed that most women were determined by VCI as lean type but were deter˗ mined by RI as normal type. And that women were determined by VCI as fat type but were determined by RI as normal type. Therefore both men and women showed significant differences in VCI and RI. Comparison of somatotype dispersion of VCI and BMI showed that both men and women were overestimated or underestimated by VCI rather than by BMI. Comparison of somatotype dispersion of RI and BMI showed that men were less determined by BMI as lean type compared with women; both men and women less determined by BMI rather than by RI as normal type; and both men and women, in particular, were more determined by BMI as fat type but men were more determined by BMI rather than by RI as fat type. Total somatotype consistency by tools showed that VCI has the greatest possibility of determining the public group, compared with other groups as lean type and that the consistency of the three tools were relatively higher for the taekwondo players and judo players groups, compared with the public.
        4,000원
        23.
        2010.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this study was to investigate perceived health status, activities of daily living and depression of the elderly in nursing facil˗ ities and to identify correlations among them. The collected data is to improve healthy life for the aged people in communities. This study was performed by using of questionnaire which was consisted of perceived health status, activity of daily living(ADL) and depression. The survey was conducted by 180 aged people at nursing homes. The results of perceived health status show that 64.9% of elderly feel very bad or bad, 61.6% of elderly have a degree of independent level of activity of daily living(ADL) and 48.6% of elderly have a degree of depression. There were statically revealed meaningful correlation between ability of activity of daily living(ADL) and perceived health status, ability of activity of daily living(ADL) and depression. This study about connection among perceived health status, activity of daily living(ADL) and depression is necessary for number of the affil˗ iation function of elderly at nursing homes and development of inter˗ vention programs concerned about depression are necessary.
        4,000원
        24.
        2009.06 구독 인증기관 무료, 개인회원 유료
        Periodontal ligament (PDL) tissue is a connective tissue that is interposed between the roots of the teeth and the inner wall of the alveolar bone socket. PDL is always exposed to physiologic mechanical force such as masticatory force and PDL cells play important roles during orthodontic tooth movement by synthesizing and secreting different mediators involved in bone remodeling. The Wnt/β-catenin signaling pathway was recently shown to play a significant role in the control of bone formation. In the present study, we applied cyclic tensile stress of 20% elongation to cultured human PDL cells and assessed its impact after six days upon components of the Wnt/β-catenin signaling pathway. RTPCR analysis showed that Wnt1a, Wnt3a, Wnt10b and the Wnt receptor LRP5 were down-regulated, whereas the Wnt inhibitor DKK1 was up-regulated in response to these stress conditions. In contrast, little change was detected in the mRNA expression of Wnt5a, Wnt7b, Fz1, and LRP6. By western blotting we found decreased expression of the β-catenin and p-GSK-3β proteins. Our results thus show that mechanical stress suppresses the canonical Wnt/β-catenin signaling pathway in PDL cells.
        4,000원
        25.
        2005.12 KCI 등재 SCOPUS 구독 인증기관 무료, 개인회원 유료
        본 논문에서 사고로 누출된 삼중수소에 의한 농작물 오염평가 모델을 제시한다. 본 논문에서 제시된 모델은 동적격실모델로써 작물의 성장 방정식을 도입한 것이 특징이며, 이로부터 삼중수소 피폭시 작물의 성장단계에 따른 오염 정도를 예측할 수 있다. 시스템은 크게 대기, 토양, 작물격실로 구성되며, 격실의 삼중수소 농도 변화는 비선형 상미분방정식으로 표현되므로 시간에 따른 각 격실의 삼중수소 농도가 계산된다. 모델의 검증을 위해 배추 및 무에 대한 삼중수소 피폭 실험을 수행하였다. 생육단계별 오염 효과를 조사하기 위해 각기 다른 생육단계에 있는 배추와 무를 독립적으로 HTO 증기에 노출시켰으며, 피폭 후 오염된 작물의 tissue free water tritium(TFWT) 및 organically bound tritium(OBT) 농도를 측정하였다. 측정된 작물 부위별 삼중수소 농도 데이터와 모델 예측 값은 대체로 잘 일치하였다.
        4,000원
        26.
        2015.07 서비스 종료(열람 제한)
        High yield is the most important trait in various agricultural characteristics. Many approaches to improve yield have been tried in conventional agricultural practice and recently biotechnological tools employed for same goal. Genetic transformation of key genes to increase yield is one way to overcome current limitation in the field. We are producing transgenic soybean plants through high efficient transformation method by introducing all gene member with AT-hook binding domain, hoping to obtain manageable delay of senescence. Many transgenic soybean plants are growing in greenhouse and GMO field, and will be evaluated their senescence and any association with yield increase.
        27.
        2015.07 서비스 종료(열람 제한)
        Soybean is a crop of importance economically and nutritionally in many parts of the world. Thanks to many new genes brought from genomic research, It is possible to introduce various candidate genes through genetic transformation to see the performance of the genes in field. In our lab, soybean transformations have been tried for last 10 years to probe the possibility of traits improvement by transformation of new gene into soybean. For this purpose, three different genes were transformed into Korean soybean variety, Kwangan. First, the gene that controls early flowering of plant was transformed into Kwangan. Second, a candidate gene for soybean mosaic virus (SMV) resistance was transformed to produce transgenic plants. Third, another candidate gene for drought tolerance was transformed. All the transgenic plants from three genes transformation were produced for their gene insertion and their expression using PCR, qRT-PCR. Further analysis including harvesting seeds is currently undertaken.
        28.
        2014.07 서비스 종료(열람 제한)
        AtRabG3b and CaMsrB2 genes incorporated into pPZP vetor were transformed to Korean soybean cultivar Kwangan using highly efficient transformation system. AtRabG3b gene plays a positive role in xylem development in Arabidopsis and 64 transgenic plants were produced. CaMsrB2 gene is known to confer drought tolerance in rice and 63 transgenic plants were produced. As a result of PPT leaf painting assay, about 20% of transformation efficiency was observed from 2 times of inoculation. These transgenic plants were confirmed for gene introduction using PCR. Currently, the copy number and the gene expression is investigating using qRT-PCR and RT-PCR. Moreover, 62 lines and 53 lines of T1 seeds from AtRabG3b and CaMsrB2, respectively, were sown in GMO field.
        29.
        2014.07 서비스 종료(열람 제한)
        ORE7 gene incorporated into 3 different promoters including pCKLSL-35S, pCKLSL-TP and pCSENIF was transformed to Korean soybean variety Kwangan using highly efficient soybean transformation system. The gene is known to exhibit a delayed leaf senescence phenotype in Arabidopsis. Fourteen, Fifteen and nine transgenic plants were produced from pCKLSL-35S::ORE7, pCKLSL-TP::ORE7 and pCSENIF::ORE7, respectively. Moreover, transgenic plants were confirmed for gene introduction and their expression using PCR, qRT-PCR and RT-PCR. To identify the transgene insertion events, the analysis of flanking sequence was determined. As a results, T-DNA was integrated intergenically in transgenic line 1 of pCKLSL-35S::ORE7 and line 1 of pCSENIF::ORE7. Currently, flanking sequence analysis with pCKLSL-35S::ORE7, pCKLSL-TP::ORE7 and pCSENIF::ORE7 is carrying out to investigate the stable T-DNA insertions.
        30.
        2014.07 서비스 종료(열람 제한)
        Insect resistant genes encode insecticidal δ-endotoxins that are widely used for the development of insect-resistant crops. Common soybean is a crop of economic and nutritious importance in many parts of the world. Korean soybean variety Kwangan was transformed with Insect resistant genes. These genes were transformed into Kwangan using highly efficient soybean transformation system. Transgenic plants harboring Insect resistant genes were confirmed for gene introduction and their expression using PCR, real-time PCR and RT-PCR. The confirmation of stable gene introduction with Insect resistant genes was also performing by Southern blot analysis. In addition, Flanking sequence analysis and agronomic characters were also investigated
        31.
        2014.07 서비스 종료(열람 제한)
        Soybean mosaic virus (SMV), a member of Potyviridae family, is one of the most typical viral diseases and results in yield and quality loss of cultivated soybean. Due to the depletion of genetic resources for resistance breeding, a trial of genetic transformation to improve disease resistance has been performed by introducing SMV-CP and HC-Pro gene by RNA interference (RNAi) method via Agrobacterium-mediated transformation. Transgenic plants were infected with SMV strain G5 and investigated the viral response. As a result, two lines (3 and 4) of SMV-CP(RNAi) transgenic plants and three lines (2, 5 and 6) of HC-Pro(RNAi) transgenic plants showed viral resistance. In genomic Southern blot analysis, most of lines contained at least one T-DNA insertion in both SMV-CP(RNAi) and HC-Pro(RNAi) transgenic plants. Subsequent investigation confirmed that no viral CP and HC-Pro gene expression was detected in two SMV-resistant lines of SMV-CP(RNAi) and three lines of HC-Pro(RNAi) transgenic plants, respectively. On the other hand, non-transgenic plants and other lines showed viral RNA expression. Viral symptoms affected seed morphology, and clean seeds were harvested from SMV-resistant line of SMV-CP(RNAi) and HC-Pro(RNAi) transgenic plants. In addition, strong viral gene expression was detected from seeds of SMV-susceptible non-transgenic plants and SMV-susceptible transgenic lines. When compared the viral resistance between SMV-CP(RNAi) and HC-Pro(RNAi) transgenic plants, soybean transgenic plants with the HC-Pro gene using RNAi strategy showed much stronger and higher frequency of viral resistance.
        32.
        2013.07 서비스 종료(열람 제한)
        Quantitative trait locus (QTL) mapping is a highly effective approach for studying genetically complex forms of plant shattering. With QTLs mapping, the shattering loci can be described. SSR marker is based on the imformation of Simple Sequence Repeat and easy to analyze using PCR and has high reproducibility. For analyzing QTLs associated with shattering, we selected 219 SSR markers from 254 SSR markers and used them for implementing Mapmaker(Ver. 3.0) and Mapchart(Ver. 2.2). Mapmaker help to calculate distances between each markers and Mapchart is a program for drawing Genetic map. This Genetic map of rice (Oryza sativa L.) covering 2082.4 cM with 9.5 cM between makers in the Kosambi function has been constructed using 120 F1 DH plants from a single cross between the indica variety Chungchung and the japonica variety Nagdong.
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