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Polymer-Functionalized 2D Transition Metal Dichalcogenide Antioxidants
소윤희,임다빈,김혜인,양진경,이신,김종호 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
We have developed a strategy for the simultaneous exfoliation and functionalization of transition metal dichalcogenide (TMD) nanosheets using polymers in aqueous solution. The hydrophobic and charge interactions between the TMD nanosheets and the polymers were controlled by varying the polymer chemical structures during an exfoliation process, resulting in modulation of the antioxidant activity of the exfoliated TMD nanosheets. The polymer-functionalized TMD nanosheets exhibited superior antioxidant activity and stability as compared with conventional organic antioxidants. In addition, the 2D TMD nanosheets were able to effectively remove reactive oxygen species (ROS) secreted from living cells, and showed outstanding biocompatibility.
Needs Analysis of English for English for Nurses: Practitioners' and Professors' Perception
소윤희 한국응용언어학회 2004 응용 언어학 Vol.20 No.1
A needs analysis survey was conducted on 27 nurses who were enrolled in the English language program to find out to what extent they have used English on the job and what specific English language skills need to be acquired in order to meet their professional demands. A similar but separate questionnaire was administered later to nursing professors to assess their perception of English needs for nurses. Based on the results of the surveys, a nursing English course was designed, taking into account nurses’ primary wants and needs as well as nursing professor’s notions of what language skills would best benefit nursing students. The results of the two surveys strongly pointed toward the adoption of a learner-centered approach to include oral communication for general and specific purposes in the field of nursing and development of reading skills. The present study has implications for materials designers and language educators of ESP in that general English should form the basis of the specialized, specific English for such professionals as nurses who need to foster English competence―which may not be compulsory but valued―in an EFL situation in this era of globalization
소윤희,김대성,윤보애,최유덕,백희조,국훈 대한소아혈액종양학회 2019 Clinical Pediatric Hematology-Oncology Vol.26 No.2
Hepatic osteodystrophy is frequent complication in patients with chronic liver disease, particularly with chronic cholestasis. We report a male infant with congenital hepatoblastoma, who had osteodystrophy complicated by multiple bone fractures despite adequate supplementation of fat-soluble vitamins including vitamin D. He was born by Caesarean section because of a 7 cm–sized abdominal mass detected by prenatal ultrasonography. The pathologic diagnosis was hepatoblastoma, PRETEXT staging III or IV. Whole body bone scan at the time of diagnosis showed no abnormal uptake. Oral vitamin D3 of 2,000 IU/day was administered with other fat-soluble vitamins. Serum direct bilirubin level gradually increased up to 28.9 mg/dL at postnatal 6 days and was above 5 mg/dL until 110 days of age. Bony changes consistent with rickets became apparent in left proximal humerus since 48 days of age, and multiple bone fractures developed thereafter. With resolving cholestasis by chemotherapy, his bony lesions improved gradually after add-on treatment of bisphosphonate and parenteral administration of vitamin D with calcium. High level of suspicion and prevention of osteodystrophy is needed in patients with hepatoblastoma, especially when cholestasis persists.
청소년의 레저활동 유형과 비행 유형과의 관계에 관한 연구 -부산 소년원생을 중심으로-
소윤희,양위주 한국자료분석학회 2011 Journal of the Korean Data Analysis Society Vol.13 No.1
The purpose of this study is to seek ways to prevent juvenile delinquency and second crimes through sound leisure activities, by studying the relationships between teenagers' leisure activities before imprisonment of youth detention center the types of their delinquency. The result of study showed that teenagers should replace participation in leisure activities, such as the types of ‘play and amusement activities' and ‘socialization activities' that may be causing juvenile delinquency with more participation in ‘hobby and cultural activities' to broaden their knowledge and ‘watching and appreciation activities' to change mind and deepen their thought process. Therefore, in order to prevent teenagers from committing crimes through sound leisure activities, a variety of policy should unfold in a continued basis, including the construction of systematic infrastructure and the development of customized leisure programs. 본 연구의 목적은 소년원에 입원해있는 비행청소년을 대상으로 입원 전 레저활동과 청소년 비행과의 상관성을 알아보고자 하는데 있다. 본 연구목적을 달성하기 위해 현재 소년원에 입원해 있는 비행청소년을 연구대상으로 선정하였다. 연구결과에 의하면, 비행유형은 지위비행, 재산비행, 폭력비행, 재산비행으로 도출되었으며, 레저활동과 인과관계가 있는 것으로 나타났다. ‘놀이·오락활동’ 및 ‘사교활동’ 같은 레저활동 참가자는 지식함양과 사색을 위한 ‘취미·교양활동’ 및 ‘관람·감상활동’ 참가자에 비해 더 많은 청소년 비행을 유발하는 것으로 나타났다. 본 연구를 통하여 앞으로 청소년에게 긍정적으로 작용할 수 있는 건전한 레저활동 방안을 모색하여 가정과 각급 학교, 관련 단체 등에서 건전하고 유익한 레저교육을 통해 사전에 비행을 예방하고, 재범을 방지하는데 도움을 주고자 한다.