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정신분열병 환각의 횡문화적 연구 : 상해와 서울의 비교 A Transcultural Study
金光日,長良棟,陸明康,朴康奎,朴容千,金大虎 大韓神經精神醫學會 2001 신경정신의학 Vol.40 No.5
연구목적 : 정신분열병의 환각이 문화사회의 특성에 따라 어떤 차이가 나는지를 확인하고 그 의미를 문화정신의 학적 견지에서 고찰해보고자 이 연구를 시행하였다. 방 법 : Shanghai와 서울의 정신분열병 환자를 대상으로 환각의 형태, 내용, 주제 등에 관한 비교문화적인 조사연구를 하였다. Shanghai Mental Health Center, 국립서울정신병원, 한양대학교병원에 입원하고 있는 환자중 DSM-Ⅳ 진단기준으로 정신분열병의 진단이 확정된 환자 가운데 입원한지 1개월에서 6개월 이내인 환자를 대상으로 사전에 성별, 연령, 교육연한, 발병기간 임상아형, 등 5개 변인을 통제하여 조사대상을 선정하였다. 조사대상이 된 환자는 396명(Shanghai 182명, 서울 214명)이었다. 이중 환각이 확인된 환자 231명(Shanghai101명, 서울 130명)을 최종 연구대상으로 하였다. 결 과 : 환각의 형태에서는 양 집단 차이가 없었으나 환각의 내용이 양 집단에서 차이를 보였다. 즉 Shanghai에서는 정치적인 내용이, 서울에서는 초자연적/종교적 내용이 많았다. 결 론 : 환각의 주제나 내용은 망상과 긴밀하게 연관이 되어 있다는 점, 그리고 사회문화적 상황의 영향을 다분히 받고 있음을 알 수 있었다. Objective : The types, contents and major themes of schizophrenic hallucinations in Shanghai and Seoul were compared for evaluating cultural differences and connotation. Methods : Among the schizophrenic inpatients of Shanghai Mental Health Center in Shanghai and National Seoul Mental Hospital and Hanyang University Hospital in Seoul, 396 cases(182 cases in Shanghai, 214 cases in Seoul) were selected by two ways: a) five staged stratified random sampling of sex, age, education, clinical subtype and onset year, b) cases who have admitted for one to six months in their last admission. Among them, 231 cases(55.39% in Shanghai, 60.83% in Seoul) confirmed to have hallucinations were the final subjects of study. Results : Frequencies in types of hallucination were not different between the two groups. However, contents and major themes were different: Political themes and related contents were dominant in Shanghai cases, and supernatural and religious themes and related contents were dominant in Seoul cases. Conclusion : It was concluded that contents and themes of hallucinations were closely related to the delusional contents and themes, and such patterns were considerably influenced by so-ciocultural characteristics.
The Impact of Initial Public Offerings on Rival Firms
Ming-Hui Kang(강명혜),Yoon-Soo Lim(임윤수) 충남대학교 경영경제연구소 2011 경영경제연구 Vol.34 No.1
본 연구는 IPO이 동종 산업 내에서 경쟁기업에 대한 효과에 대한 기존 선행연구들을 광범위하게 확장하려고 시도하였다. 본 연구의 목적은 다음과 같다. 첫째, IPO 이후에 경쟁기업간에 교차하여 나타날 수 있는 영향에 대해 분석하였다. 둘째, 벤처캐피탈에 투자된 IPO가 벤처캐피탈에 투자되지 않는 IPO보다 산업내 경쟁기업에 더 많은 영향을 주는지에 대해 분석하였다. 본 연구의 주요 연구결과는 다음과 같다. 첫째, IPO는 경쟁기업의 가치에 경쟁적인 영향을 줄 수 있는 것으로 나타났다. 벤처캐피탈에 투자된 IPO기업가 경쟁기업에 유의적인 부(-)의 영향을 미칠 수 있다는 결과가 나타난 것에 비해, 벤처캐피탈에 투자되지 않는 IPO기업의 경우는 유의하지 않은 결과가 나타났다. Our paper extends previous studies through a comprehensive examination of the impact of IPOs on the rivals. This study is guided by three primary motives: first, to investigate whether the impact of IPOs on the rivals exist, and second, to examine whether rivals’ reactions in response to venture-backed IPOs are different from that of non venture-backed IPOs. Third, we also attempt to test whether the rivals react differently in response to IPOs according to the difference in specific characteristics. Results in our study show that IPOs have competitive effects on rivals. Our research also shows that venture-backed IPOs have significantly negative impacts on rivals, but rivals have insignificant reactions to non venture-backed IPOs.
Ming Zhao,Ming Zhao,Bin Tong,Zinan Kang,Yanfang Wu,Wei Ding,Baoming Feng 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.5
The synthesis of PdP nanoparticles (NPs) using triphenylphosphine as a phosphorus precursor was investigated. The electrocatalytic performance of PdP NPs in hydrogen evolution reaction in an alkaline medium was measured. It can be concluded that when the current density is 10 mA cm -2, the overpotential produced by Pd3P0.95 NPs is 75mV which is 185mV lower than that produced by commercial Pd/C. The mass activity of Pd3P0.95 NPs is more than twice as high as that of commercial Pd/C. The work indicates that PdP nanomaterials could be a potential catalyst for water splitting.
( Ming Yi Zhao ),( Ming Hua Yang ),( Liang Chun Yang ),( Yan Yu ),( Min Xie ),( Shan Zhu ),( Rui Kang ),( Dao Lin Tang ),( Zhi Gang Jiang ),( Wu Zhou Yuan ),( Xiu Shan Wu ),( Li Zhi Cao ) 생화학분자생물학회(구 한국생화학분자생물학회) 2011 BMB Reports Vol.44 No.9
HMGB1 is associated with human cancers and is an activator of autophagy which mediates chemotherapy resistance. We here show that the mRNA levels of HMGB1 are high in leukemia cells and it is involved in the progression of childhood chronic myeloid leukemia (CML). HMGB1 decreases the sensitivity of human myeloid leukemia cells K562 to anti-cancer drug induced death through up-regulating the autophagy pathway, which is confirmed by the observation with an increase in fusion of autophagosomes and autophagolysosomes. When overexpressing HMGB1, both mRNA levels of Beclin-1, VSP34 and UVRAG which are key genes involved in mammalian autophagy and protein levels of p-Bcl-2 and LC3-II are increased. Luciferase assays document that over-expression of HMGB1 increases the transcriptional activity of JNK and ERK, which may be silenced by siRNA. The results suggest that HMGB1 regulates JNK and ERK required for autophagy, which provides a potential drug target for therapeutic interventions in childhood CML. [BMB reports 2011; 44(9): 601-606]
Ming-Jung Kang,Soo-Kyung Lee,Ji-Hyun Song,Mi-Eun Kim,Myo-Jeong Kim,Joung-Soon Jang,Jai-Hyun Lee,Jung-In Kim 한국식품과학회 2009 Food Science and Biotechnology Vol.18 No.3
The α-glucosidase inhibitory and antioxidant effects of water chestnut (Trapa japonica Flerov.) were assessed to explore its possible use as an anti-diabetic agent. Methanol extracts of the fruit shell and meat of water chestnut were assayed for inhibitory activity against yeast α-glucosidase and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity. Effect of fruit shell extract on postprandial glucose response was assessed. Compared with fruit meat, shell extract showed stronger inhibition against α-glucosidase with an IC?? of 273 ㎍/㎖. Oral administration of fruit shell extract (500 ㎎/㎏) significantly lowered the postprandial area under the glucose response curve to starch (1 g/㎏) in streptozotocin (STZ)-induced diabetic rats (p<0.01). Compared with fruit meat, shell extract showed stronger scavenging activity against DPPH, with an IC?? of 27.1 ㎍/㎖. The results indicate that the fruit shell of water chestnut was effective in controlling postprandial hyperglycemia and exerted an antioxidant effect. Therefore, water chestnut may be useful in treating diabetes.
변환기하 프로그램에서 아동의 두뇌 활성 및 기능적 연결성의 변화: fNIRS 연구
강민정(Ming-Jung Kang) 한국교원대학교 뇌기반교육연구소 2021 Brain, Digital, & Learning Vol.11 No.2
This study was analyzed whether children s transformation geometry ability can be developed through educational programs using tangram, and how the brain was activated and changed in the process. The subjects of this study are 20 first-year elementary school students, a single group pre test-post test experimental research design was employed. There are three types of transformational geometry tasks: house as a translation, square as a rotation, swan as a reflection. The research results are as follows. First, the difference in the accuracy rate according to the pre and post-test was significant in house and square. Second, DLPFC was activated in all three tasks as a result of analyzing the difference between the brain active regions before and after the program in solving translation, rotation, and reflection tasks. In square task, VLPFC were significantly activated and in the task, FPPFC were significantly activated along with the activation of DLPFC. Third, the functional connectivity of brain activity in pre and post tasks was analyzed. In the pre test, only channel6(R) in the DLPFC region and channel 10(R) in the VLPFC region showed a connectivity of.834. In the post task, channel 12(R) showed functional connectivity with DLPFC, OFC, and VLPFC, and functional connectivity of the brain was found only in the right hemisphere. However, in the post task, there was a significant functional connection between the left and right hemispheres.