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      • KCI등재

        The Story of a Widowed Mother: The Mother–Son Relationship in The Record of So Hyŏnsŏng

        김유미 계명대학교 한국학연구원 2024 Acta Koreana Vol.27 No.1

        This article explores the widowed mother figures in So Hyŏnsŏng rok 蘇賢聖錄 (The Record of So Hyŏnsŏng), particularly how a widowed mother successfully distinguishes herself as the head of the household through her relationship with her son. The story deals with the aspirations of mothers of elite yangban families who dream of achieving power despite the social limitations placed upon them. The Record presents the ideal mother–son relationship as both close and hierarchical. The closeness of their relationship enables the mother and son to achieve emotional unity when the boy is young. However, by demonstrating that she is more capable and has better judgment than her son, the mother ensures that their relationship remains hierarchical, enabling her to retain a superior position in the relationship into the boy’s adulthood. The story portrays the complicated relationship between a controlling mother and submissive son in a positive light, despite it being in sharp contrast to the compassionate mother and heroic son of earlier literary works. This article argues that Madame Yang, the widowed mother and main protagonist, reflects both the anxiety and aspirations of contemporaneous Korean women facing the major social changes of the 17th century.

      • KCI등재
      • KCI등재

        미세석회화 병변의 초음파 유도하의 맘모톰 조직검사의 유용성

        김유미,박희붕,류진우 대한영상의학회 2005 대한영상의학회지 Vol.53 No.2

        Purpose: To evaluate the usefulness of ultrasound-guided mammotome biopsy for microcalcification and to suggest a new approach for the localization of microcalcifications which are not detected on ultrasound. Materials and Methods: Twenty-one calcific lesions in 21 women (aged 33-56 years) underwent ultrasoundguided, vacuum-assisted, mammotome biopsy and a mean of 14 specimens per lesion were obtained. Calcification retrieval was defined as identification of calcifications on specimen radiographs. In the 13 cases of calcifications which were not detected on ultrasound imaging, mammotome biopsy was performed after localization of one or two needles at the microcalcifications under mammography-guidance. Radiographs of the specimens and histologic findings were reviewed and scheduled follow-up imaging was performed for evaluation of the complications of biopsy. Results: Ultrasound-guided, vacuum-assisted, mammotome biopsy removed all calcifications in 21 lesions. Eight (38%) lesions showed visible calcification on the ultrasound while 13 (62%) lesions were invisible, which underwent mammotome biopsy after needle localization under mammography-guidance. Surgery revealed DCIS in 1 (4.8%) of 21 lesions, infiltrating ductal carcinoma in two (9.5%), fibroadenomas with calcifications in 6 (28.6%), fibroadenomas with adenosis in 2 (9.5%), and fibrocystic change with calcifications in 10 (47.6%). Clinical significant complications did not occur on follow-up examination in any of the cases. Conclusion: Ultrasound-guided, vacuum-assisted, mammotome biopsy was an effective method for microcalcifications on mammogram. The results suggested that mammotome biopsy after mammogram-guided, needle localization is a good alternative method for the diagnosis of microcalcifications which are undetectable in the ultrasound images. 목적: 미세석회화에 대한 초음파유도 맘모톰 조직검사의 유용성을 알아보고자 하였으며, 초음파 검사에서 미세석회가 보이지 않을 경우 유방촬영술 유도 하 위치결정술 후에 맘모톰을 시행함으로서 그 활용도를 알아보고자 하였다. 대상과 방법: 유방촬영검사에서 미세석회화가 발견된 21명의 환자를 대상으로 초음파 유도 맘모톰 조직검사를 시행하였다. 초음파에서 종괴의 유무에 관계없이 미세석회가 보이는 8예는 병변 주위에서 광범위하게 생검을 시행하였고, 미세석회가 보이지 않거나 의심스러운 13예의 경우는 유방촬영술 유도 하에서 한 개나 두 개의 바늘로 위치결정을 한 후에 초음파를 이용하여 맘모톰 생검을 시행하였다. 모든 예에서 검체유방촬영을 하여 미세석회화를 확인한 후에 조직검사를 시행하였고 합병증 등의 유무를 확인하기 위하여 추적검사를 시행하였다. 결과: 총 21예 중 초음파검사에서 종괴의 유무에 관계없이 미세석회가 보였던 경우는 8예(38%)로 이중 2예는 침윤성 유방암으로 확진되었고 1예는 관상피내암으로 진단되었다. 나머지 5예는 섬유낭성변화 또는 양성 섬유선종으로 진단되었다. 초음파 검사에서 미세석회가 의심스럽거나 보이지 않았던 13예(62%)는 모두 양성으로 진단되었고 검체유방촬영에서 미세석회화를 충분히 확인하였다. 맘모톰 조직검사후 시행한 추적검사에서 유의한 합병증은 발생하지 않았다. 결론: 초음파 유도 하 맘모톰 조직검사는 미세석회화의 진단에 유용한 방법이며, 미세석회가 초음파검사에서 보이지 않을 경우는 바늘을 이용한 유방촬영 유도하의 위치결정술을 병용하면 미세석회화에 대한 맘모톰의 활용도를 높일 수 있다.

      • KCI등재

        Pigmentation Effect of Rice Bran Extract in Hair Follicle-Like Tissue and Organ Culture Models

        김유미,임한뫼,이은철,Young-Kwon Seo 한국조직공학과 재생의학회 2020 조직공학과 재생의학 Vol.17 No.1

        BACKGROUND: Melanogenesis is a biological process resulting in the production of melanin pigment, which plays an important role in the prevention of sun-induced skin injury and determines the hair and skin color. Melanin has the ability to block ultraviolet radiation and scavenge free oxygen radicals, thus protecting the skin from their harmful effects. Agents that increase melanin synthesis in melanocytes may reduce the risk of photodamage and skin cancer. Hence, various approaches have been proposed to increase the synthesis of melanin. METHODS: The current study aimed to develop a three-dimensional hair follicle-like tissue (HFLT) model with human dermal papilla, melanocytes, and outer root sheaths cells. This model showed enhanced melanogenesis-related protein expression after rice bran ash extract (RBE) treatment. Next, we investigated the melanogenic effect of RBE in the HFLT and compared the results to those of hair follicle (HF) organ culture model. RESULTS: RBE was found to significantly increase the expression of microphthalmia-associated transcription factor, a key transcription factor involved in melanin production, in both HFLT and organ culture models. Results showed that melanogenesis-related protein expression levels were higher in the RBE group compared to those in the control group. Similar results were obtained by immunohistochemistry. CONCLUSION: Our data suggested that RBE promotes melanin biosynthesis. Taken together, this simple in vitro HFLT model system has the potential to provide significant insights into the underlying molecular mechanisms of HF melanogenesis, and hence can be used for controlled evaluation of the efficacy of new materials for melanogenesis.

      • KCI등재

        Literary Representation of a Proxy-Test Taker: Focusing on “The Tale of Yu Kwangŏk”

        김유미 성균관대학교 동아시아학술원 2018 Sungkyun Journal of East Asian Studies Vol.18 No.2

        This study examines the literary representation of proxy-test takers, focusing on “The tale of Yu Kwango˘k” by Yi Ok 李鈺 (1760–1815). This tale sympathetically portrays Yu Kwango˘ k as a talented but impoverished scholar who made a living drafting answers for rich civil service examination applicants. It therefore reveals that poverty and insignificant political background drove poor yangban to facilitate cheating as proxy examination takers. The tale also criticizes the corruption of the examination system, which failed to serve as a reliable ladder to success for poor yangban from politically insignificant families. Minimizing Yu’s ethical responsibility and emphasizing his social vulnerability, the tale carefully presents Yu as a victim of the corrupt examination system and evokes readers’ sympathy for him. Through this depiction of a proxy examination taker as a symptom of a corrupt system, utilizing and expanding biographical practices, the writer, himself a politically isolated yangban, expressed his personal anxieties and his critique of society.

      • KCI등재

        古注疏를 근간으로, 新注疏 『尙書』 번역을 위한 제언

        김유미 한국고전번역원 2018 民族文化 Vol.52 No.-

        동아시아에서 經學은 본래 고대 공문서로서, 사관으로부터 전해져 春秋시대 孔子가 정리․편찬하면서, 후대에 절대적인 영향을 미친 유가경전이다. 그런데 이 經學의 주요 注解書로서, 唐代 五經正義를 근간으로 하여 宋代에 十三經注疏로 古注疏가 정립되어, 국가기관에서 주요 注解書로 삼고 과거시험의 주요 교재로서 간행․보급하였다. 그리하여 南宋代에도 여전히 주요 과거교재로서 계속 영향을 주었을 뿐만 아니라, 朱熹가 그의 제자들과 더불어 四書五經의 新注疏를 편찬할 때에 중심 토대로 삼았다. 따라서 新注疏인 四書五經 번역에 있어서, 古注疏의 정확한 번역이 선행되어야 한다. 그리고 이 古注疏의 번역을 근간으로 하여 新注疏에서 생략되거나 축약된 의미를 자구에 맞게 번역하여야, 비로소 朱熹와 그의 제자들이 나타내고자 한 의도를 정확히 반영할 수 있다고 사료된다. 이러한 이유로, 본고에서는 이러한 古注疏 계열과 新注疏 계열의 관계 규명을 통한 재번역의 필요성을 제기하기 위한 첫 시도로서, 『尙書』에만 국한하여 기존의 新注疏만으로 번역․연구하는 한계를 살펴보고, 古注疏를 근간으로 하는 번역의 필요성을 제시하였다. There are two types of commentaries on Confucian classics in East Asia: the old-type Sibsamgyeongjuso 十三經注疏 and the new-type Saseoogyeongdaejeon 四書五經大全. On the basis of the old-type commentaries, the new-type commentaries were made in Song Dynasty. In order to accurately translate the new-type commen taries, the old-type should be researched thoroughly. This study is to understand that new types of commentaries on 『尙書』 (『書集傳』 and 『書傳大全』) should be translated with the background knowledge of old types of commentaries on 『尙書』(『尙書正義』 and 『尙書注疏』).

      • KCI등재

        저온 다결정 실리콘 박막 트랜지스터의 비정상적인 Hump 현상 분석

        김유미,정광석,윤호진,양승동,이상율,이희덕,이가원,Kim, Yu-Mi,Jeong, Kwang-Seok,Yun, Ho-Jin,Yang, Seung-Dong,Lee, Sang-Youl,Lee, Hi-Deok,Lee, Ga-Won 한국전기전자재료학회 2011 전기전자재료학회논문지 Vol.24 No.11

        In this paper, we investigated an anomalous hump phenomenon under the positive bias stress in p-type LTPS TFTs. The devices with inferior electrical performance also show larger hump phenomenon. which can be explained by the sub-channel induced from trapped electrons under thinner gate oxide region. We can confirm that the devices with larger hump have larger interface trap density ($D_{it}$) and grain boundary trap density ($N_{trap}$) extracted by low-high frequency capacitance method and Levinson-Proano method, respectively. From the C-V with I-V transfer characteristics, the trapped electrons causing hump seem to be generated particularly from the S/D and gate overlapped region. Based on these analysis, the major cause of an anomalous hump phenomenon under the positive bias stress in p-type poly-Si TFTs is explained by the GIDL occurring in the S/D and gate overlapped region and the traps existing in the channel edge region where the gate oxide becomes thinner, which can be inferred by the fact that the magnitude of the hump is dependent on the average trap densities.

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