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강경선,신동진,조재진,김형욱,김배환,이영순,Kang, Kyung-Sun,Shin, Dong-Jin,Cho, Jae-Jin,Kim, Hyoung-Ook,Kim, Bae-Hwan,Lee, Yong-Soon 한국독성학회 1992 Toxicological Research Vol.8 No.2
cis-Malonato[(4R,5R)-4,5-bis(aminomethyl)-2-isopropyl-1,3-dioxolane]platinum(II)(SKI 2053R), an antitumor platinum complex, was selected for clinical evaluation on the basis of its experimental antitumor and toxicologic profiles in preclinical studies. These studies were performed to obtain information on its toxic signs, orgnas which are mainly affected, and to estimate its lethality in mice and rats given SKI 2053R through two routes of administration. In male and female rats given a single intragastrical dose of SKI 2053R, we estimated that $LD_{50}$ values were over 3.00g/kg, respectively. In male and female mice given a signle intragastrical dose of SKI 2053R, we estimated that $LD_{50}$ values were 2.44g/kg and 1.59g/kg, respectively, In a single intraperitoneal dose of SKI 2053R, we determined that $LD_{50}$ values of male and female rats were 227mg/kg and 182mg/kg, and those of male and female mice were 198mg/kg and 207mg/kg, respectively. In gross and histopathological examinations on dead animals, we found that kidney and liver were mainly affected.
랫드와 비글에서 GC-100X 세정제의 독성에 대한 연구
강경선,조성대,안남식,정지원,양세란,박준석,박기수,홍인선,서민수,조은혜,이영순,Kang, Kyung-Sun,Cho, Sung-Dae,Ahn, Nam-Shik,Jung, Ji-Won,Yang, Se-Ran,Park, Joon-Suk,Park, Ki-Soo,Hong, In-Sun,Seo, Min-Soo,Jo, Eun-Hye,Nguyen, Ba Tiep,Lee, 대한수의학회 2004 大韓獸醫學會誌 Vol.44 No.1
Because cleaning products are part of our everyday lives, it is essential that they should not present significant risks to health. However, many petrochemicals in most soaps and detergents can be absorbed through the scalp and skin and, over time, accumulate in the organs and tissues. This accumulation may result in brain, nerve, and liver damage. Therefore, it is interested in developing non-harmful detergent. According to Korea Research Institute of Chemical Technology, GC-100X may be non-harmful and non-corrosive alkaline ionic water (pH 12). It is composed of hydroxyl radicals and supplemented with xylitol. To evaluate influence of GC-100X on rats and beagles, GC-100X was diluted with distilled water (25%, 50%, and 100% solution respectively). Each of diluted GC-100X was daily treated per oral. In body weight analysis, urinary analysis, ophthalmological test and autopsy, we did not find any significance, but in serum biochemical analysis and hematological analysis, we found some significances in middle dose group compared with control group. These significances in serum biochemical analysis and hematological analysis may be not induced by GC-100X, because it was not found to be significant from control group in histopathological examination. Thus, it is concluded that NOEL(No Observed Effect Level) of GC-100X may be higher than all treatment doses used in this study, and GC-100X may be a non-toxic detergent.
Sprague-dawley(SD) 랫드에서 natural killer cell의 분리 ·동정 및 형태적 특징
강경선,이영순,Kang, Kyung-sun,Lee, Yong-soon 대한수의학회 1992 大韓獸醫學會誌 Vol.32 No.2
This study was performed to demonstrate the presence of large granular lymphocyte(LGL) in Sprague-Dawley(SD) rats and morphologically observe NK cell and also establish the method of isolation of natural killer cell in SD rats. By percoll discontinuous density gradients centrifugation, highly enriched LGL population were shown to fraction 2(border line between 44.2% and 50.8%). LGL were shown to bind selectively to YAC1 mouse lymphoma cell. This fraction expressed very high NK cell cytolysis. Therefore, we thought that LGL have NK activity in SD rats. The Morphology of rat LGL is very similar to that of human LGL. These cells have an eccentric kidney-shaped nucleus. Their most distinctive feature was their cytoplasmic azurophilic granules. Another distinguishing feature of rat LGL was their high cytoplasmic : nuclear ratio. It was concluded that LGL played a role part in mediating natural killer activity in this species.
강경선(Kyung-Sun Kang) 한국발달장애학회 2020 발달장애연구 Vol.24 No.2
본 연구의 목적은 지능의 스펙트럼에서 극단에 위치한 자폐 음악 서번트와 음악신동의 음악적 기억력의 공통점과 차이점을 분석하는데 있다. 자폐 음악 서번트와 음악신동의 뛰어난 음악적 기억력은 공통적으로 음악적 집행기라는 특별한 음악적 정보처리 기제가 작동하기에 가능하다. 그러나 뛰어난 이들의 음악적 기억력에는 질적인 차이가 있다. 자폐 음악 서번트는 음악적 정보의 입력과 인출에서 청각과 운동이라는 원시적 수준에 있는 반면 음악 신동은 청각, 운동, 음악적 문자(악보를 읽고 쓰는 능력)의 전환이 자유롭다. 또한 자폐 음악 서번트의 음악적 창조는 기존의 음악적 정보를 다시 조합하여 창조하는 인공지능의 창조에 비교될 수 있다. 기존의 틀을 깨는 혁신적인 창조적 예술행위로 보기 힘들다. 신동과 서번트가 유전적으로 성격적으로 공통된 특질을 가지고 있는 것으로 볼 때 이들이 진화에서 같은 뿌리에서 출발했을 수도 있다. 이들의 뛰어난 음악적 능력은 진화에서 신동 유전자라는 돌연변이의 결과이다. 그러나 이외에 이 둘의 상반된 차이 설명을 위한 노력은 여전히 진행 중이다. The purpose of this study is to analyze commonalities and differences in musical memory between musical prodigy and musical savant whose intelligence are at the extreme position. Their exceptional musical working memory is possible because of the existence of musical executive, which is operated for musical information processing. However, there is a qualitative difference in musical memory between music prodigies and music savants. Music savants in encoding and retrieval of musical information only use auditory and motor function, which is primitive level of information processing. On the other hand, music prodigies can transpose musical information from auditory to motor and to musical literacy(reading and writing musical score) and from musical literacy to motor. Savants’ musical creation can be compared to the creation of artificial intelligence, which creates a re-combination of existing musical information. It is hardly seen as an innovative creative art act that breaks the existing framework. Given that prodigies and savants share genetically and characteristically common traits, they may have the same origin in evolution. Their outstanding musical ability is the result of a mutation called the prodigy gene in evolution. However, efforts are still underway to spell out conflicting differences between the two.
장애아동을 위한 특수교육에서의 심리학적 이론의 음악치료 모델과 음악교육에 근거한 음악치료 모델의 비교연구
강경선(Kyung Sun Kang) 한국재활심리학회 2009 재활심리연구 Vol.16 No.3
Music therapy is currently practised in special education setting for handicapped children in order to improve various areas such as emotion, cognition, behaviour and language development. Music therapy for handicapped children can be divided into a psychological based model that is the traditional music therapy model and a music educational based model that is derived from music education. The purpose of this study is to compare and analyse these two types of music therapy models and explore the method which maximizes the effectiveness music educational therapy for handicapped children.