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      • KCI등재

        Crystal violet as CMOS-compatible alkali-free promoter for CVD growth of MoSe2 monolayers: Comparative surface analysis with alkali-based promoter

        김수진,김수진,최민,Kang Yae Zy,Kim Tae Yeon,Rahman Ikhwan Nur,방준혁,김경완,김동현,이현석 한국물리학회 2023 Current Applied Physics Vol.48 No.-

        The wafer-level growth of transition metal dichalcogenides (TMDs) using chemical vapor deposition (CVD) is essential for industrial applications involving complementary metal-oxide-semiconductor (CMOS) processes. In the CVD processes of TMDs, promoters containing alkali elements such as Na and K are typically used to obtain high-quality crystals. However, the use of alkali elements is rigorously restricted in CMOS processes because of contamination problems. In this study, we investigated crystal violet (CV) as a promising alkali-free promoter in the CVD growth of MoSe2. Particularly, the surface properties were intensively examined by optical, chemical, and topographical analyses and compared to those of samples prepared with NaOH as a representative alkali-based promoter. Na residues causing a doping effect were observed in the NaOH process, whereas the doping effect was negligible in the CV process. After the transfer process from the as-grown state, the strain effect in the NaOH process was prominently changed, resulting in wrinkles on MoSe2, whereas the wrinkles were negligible in the CV process, suggesting relatively smaller strain accumulation in the CV process during crystal growth. Our results showed the feasibility of CV as an alkali-free promoter for utilizing CVD-grown TMDs in industrial CMOS processes.

      • KCI등재

        A novel MLL2 gene mutation in a Korean patient with Kabuki syndrome

        김수진,조성윤,맹세현,손영배,김수진,기창석,진동규 대한소아청소년과학회 2013 Clinical and Experimental Pediatrics (CEP) Vol.56 No.8

        Kabuki syndrome (KS) is a rare genetic disease with a distinctive dysmorphic face, intellectual disability,and multiple congenital abnormalities. KS is inherited in an autosomal dominant manner. As the primary cause of KS, MLL2 mutations have been identified in 56–76% of affected individuals who have been tested,suggesting that there may be additional genes associated with KS. Recently, a few KS individuals have been found to have de novo partial or complete deletions of an X chromosome gene, KDM6A , which encodes a histone demethylase that interacts with MLL2 . Nevertheless, mutations in MLL2 are the major cause of KS. Although there are a few reports of KS patients in Korea, none of these had been confirmed by genetic analysis. Here, we report a case of a Korean patient with clinical features of KS. Using direct sequencing,we identified a frameshift heterozygous mutation for MLL2 : (c.5256_5257delGA;p.Lys1753Alafs*34). Clinically, the patient presented with typical facial features, and diagnosis of KS was based on the diagnostic criteria. While KS is a rare disease, other malformations that overlap with those found in individuals with KS are common. Hence, the diagnosis of KS by mutational analysis can be a valuable method for patients with KS-like syndromes. Furthermore, in the near future, other genes could be identified in patients with KS without a detectable MLL2 mutation.

      • KCI등재

        자기결정력 향상 프로그램 적용이 경도 발달장애 중학생의 자기결정력 증진에 미치는 효과

        김수진,정대영 한국정서ㆍ행동장애아교육학회 2011 정서ㆍ행동장애연구 Vol.27 No.1

        본 연구는 자기결정력 향상 프로그램 적용이 경도 발달장애 중학생의 자기결정력과 자기결정 관련 행동에 미치는 효과를 알아보고자 하였다. 연구설계는 사전사후검사 통제집단설계이며, 집단 간 평점의 차이에 대한 유의성을 확인하기 위하여 t검정을 실시하였고, 자기결정력의 사전 사후 효과를 좀 더 상세히 연구하기 위해 반구조화 면담법을 사용한 질적 연구를 병행하였다. 연구대상은 경도 발달장애 중학생 20명이었으며, 실험집단과 통제집단에 각각 10명씩 무선 배치하였다. 본 연구의 독립변인인 자기결정력 향상 프로그램은 실험집단을 대상으로 주 3회, 매회 50분씩 총 30회기에 걸쳐 실시되었다. 자기결정 프로그램은 Field와 Hoffman(1996)의 "자기결정 향상을 위한 5단계 프로그램"에서 제시하고 있는 프로그램을 참고하여 우리 실정에 맞게 그 활동 내용을 재구성하였고, 구성요소는 자기인식, 자신의 가치 및 존중, 계획, 실행, 결과에 대한 평가의 단계로 이루어져 있다. 본 연구의 결론은 다음과 같다. 첫째, 자기결정력 향상 프로그램의 적용은 경도 발달 장애 중학생의 자기결정력 증진에 효과적이었다. 둘째, 자기결정력 향상 프로그램에 참여한 경도 발달장애 중학생은 자기결정 관련 행동 변화에 긍정적인 효과를 보였다. 결론적으로 자기결정력 향상 프로그램은 경도 발달장애 중학생의 자기결정력에 긍정적인 효과를 보이는 것으로 판단된다. The purpose of this study is to examine the effects of the Self-Determination Improvement Program on promoting the self-determination level of middle school students with mild developmental disabilities. This study is based on the pretest-posttest trial group design. In proceeding the study, the researcher conducted a quantitative survey in which t-test was used to compare the effects of the program and then a qualitative survey in which semi-structured interviews were used to analyze in detail the pre-and post-tests of self-determination. Middle schools Students with mild developmental disabilities were divided into the experimental and control groups, respectively having 10 members. As a result, first, the Self-Determination Improvement Program effectively increased the self-determination level of middle school students with mild developmental disabilities. The measurements of self-determination before and after the application of the program were compared to find that the surveyed students' self-determination level were positively improved after participating in the program. Second, the Self-Determination Improvement Program effectively and positively changed the surveyed students' behaviors in relation to self-determination. In this researcher's interviews with parents before and after the program application, those parents responded that their children as middle school students with mild developmental disabilities showed positive behavioral changes in relation to self-determination while participating in the program. Thus, the Self-Determination Improvement Program was effective in positively changing those students' behaviors related to self-determination. In conclusion, the Self-Determination Improvement Program has positive effects on the self-determination level of middle school students with mild developmental disabilities.

      • KCI등재

        국가의 장서와 개인의 장서: 공사교직(公私交織)의 역사로 조명한 규장각 중국본 도서

        김수진 서울대학교 규장각한국학연구원 2016 한국문화 Vol.75 No.-

        This paper takes the viewpoint that history results from the interplay of private and public factors in examining how the books privately purchased by late Joseon Literati on their diplomatic trips to imperial China ended up being incorporated into the collection of Kyujanggak, the royal library of Joseon. The purchase of Chinese books by the envoys traveling to Beijing in 17th and 18th centuries were identified based on the bookstamps that were imprinted on the Kyujanggak Collection of Chinese Books. Various documentary records were used to trace how these books became part of the Kyujanggak Collection. There were a ceaseless stream of books flowing from the private collections of late Joseon literati, such as Min Seonghwi and Yun Geup, into the Kyujanggak Collection, as a result of active purchase of Chinese books by these diplomatic delegations, the subsequent trading and circulation of these books by their families, and the royal family’s policy of the incorporating private collection that began in the middle Joseon period. Based on this observation, the paper argues that Kyujanggak’s current collection of Chinese books did not consist solely of the royal collection, but inputs from the late Joseon literary circle were actively incorporated. Further, this study emphasizes that Kyujanggak’s collection of Chinese books, which have so far been regarded as the collection of the king and the royal family, represents the intellectual trends of Joseon literati at large, and it should be understood in the context of literary history of Joseon period.

      • KCI등재

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