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신화식 ( Hwa Sik Shin ),이윤경 ( Yun Kyung Lee ),김동춘 ( Dong Chun Kim ),이영미 ( Young Mi Lee ) 한국Montessori교육학회 2009 실천유아교육 Vol.14 No.2
본 연구는 몬테소리 유아교육과정을 실시하는 기관에서 일상생활 연습, 감각, 언어, 수학, 사회, 과학, 미술의 7개 영역에 대한 유아의 수행능력을 구체적이고 객관적으로 평가할 수 있는 도구를 개발하고자 하는 목적으로 이루어졌다. 개발된 평가도구의 신뢰도를 알아보기 위하여 Cronbach`s α과 재검사 계수를 산출하였다. Cronbach`s α값은 평균 .90이상으로 높은 문항내적 합치도를 보여주었다. 또한 본 연구자들이 개발한 수행평가의 7개 구인과 총점간 상관계수도 대체적으로 높게 나타났다. The purpose of this study was to develop the tool which evaluate the performance about the class life, sensorial ability, language, mathematics, social ability and art. Cronbach`s α and reexamination number was used for credibility of the developed tool. Cranbach`s α was over mean .90 and figures among the totol score.
Probiotic Potential of Pediococcus pentosaceus BCNU 9070
Hwa Jin Shin(신화진),Hye Jung Choi(최혜정),Dong Wan Kim(김동완),Cheol Soo Ahn(안철수),Young Geun Lee(이영근),Young-Kee Jeong(정영기),Woo Hong Joo(주우홍) 한국생명과학회 2012 생명과학회지 Vol.22 No.9
유산균은 일반적으로 프로바이오틱스 균주로 알려져 있다. 가능성이 있는 프로바이오틱스 균주는 세포결합과 부착능 즉, 장상피세포 부착능 및 세포표면의 소수성이 기초적으로 구비되어야 한다. 본 연구에서는 김치로부터 몇몇의 토착 유산균을 분리하였으며, 세포표면 소수성에 근거한 가능성이 있는 프로바이오틱스로서 유산균 한종을 선발하였다. 프로바이오틱스균주로서 선별한 분리균주(BCNU 9070)의 16S 리보좀DNA 염기서열을 분석한 결과 Pediococcus pentosaceus에 속하는 균주임이 확인되었다. P. pentosaceus BCNU 9070 균주는 위액과 담즙산에 대하여 내성을 가졌으며 또한 Listeria monocytogenes 및 Shigella sonnei를 포함하는 6종의 식중독 병원균에 대하여 생육저해활성도 나타내었다. 게다가 P. pentosaceus BCNU 9070 균주는 담즙산 가수분해활성 및 콜레스테롤 동화능도 있음이 확인되었다. 이들 결과를 기초로, P. pentosaceus BCNU 9070은 기능성 식품에 적용가능한 천연 프로바이오틱스 특성을 가지고 있다고 판단된다. Lactic acid bacteria are generally recognized as beneficial probiotic organisms. Recent studies revealed that the potential of probiotic strains was essentially dependent on the bacterial-binding and adhesion capabilities to gut epithelial cells and the hydrophobicity of the cell surface. In this study, we screened some indigenous lactic acid bacteria from Kimchi and selected one lactic acid bacterium as a potential probiotic based on its cell surface hydrophobicity. Analysis of the 16S rRNA gene sequences of probiotic isolates indicated that the selected isolate (BCNU 9070 strain) was a member of Pediococcus pentosaceus. P. pentosaceus BCNU 9070 showed resistance to bile acids and acidic pH. The P. pentosaceus BCNU 9070 strain also inhibited the cell growth of six food-borne pathogens including Listeria monocytogenes and Shigella sonnei. In addition, the P. pentosaceus BCNU 9070 strain expressed bile salt hydrolase activity and showed an ability to assimilate cholesterol in vitro. On the basis of these results, P. pentosaceus BCNU 9070 is considered to have probiotic potential for applications in functional foodstuffs.
앉은 자세에서 의자 표면 경사도가 호흡기능과 구어 산출에 미치는 영향
신화경,김혜수,이옥분,Shin, Hwa-Kyung,Kim, Hye-Su,Lee, Ok-Bun 대한물리치료학회 2012 대한물리치료학회지 Vol.24 No.1
Purpose: The purpose of this study was to evaluate the difference between respiratory function and speech production, according to the seat surface inclination while in the sitting position. Methods: Respiratory function (FVC, FEV1) and speech production (inspiratory frequency, unit reading time, paragraph reading time) were measured in 3 sitting conditions: horizontal seat surface, seat surface tilted forward 15 degrees, and seat surface tilted backward 15 degrees. Results: We found that the mean values of FVC and FEV1 were statistically significant different according to three types of sitting positions (p<0.05). The following result was observed: forward tilted sitting > horizontal sitting > backward tilted sitting. There was no significant difference in speech production between the different positions. Respiratory function and speech production had a significantly negative correlation in the forward tilted condition and the backward tilted condition. Conclusion: This finding suggests that the seat surface inclination have an effect on respiratory function. Especially, forward tilted sitting may be an effective posture that may help increases the respiratory function.
신화경,이호철,Shin, Hwa-Kyung,Lee, Ho-Cheol 대한물리치료학회 2009 대한물리치료학회지 Vol.21 No.3
Purpose: This study compared the characteristics of the brake response time during the driving task between elderly and younger drivers. Methods: The participants consisted of an elderly group (n=12) and a younger group (n=12). The brake response time (BRT), which consisted of the reaction time (RT) and movement time (MT), was assessed in an actual driving car. The BRT was measured at the initiation and termination of the brake response for the driving task Results: The elderly group showed a significantly longer delay in the initiation and termination of the brake response than the younger group. The BRT correlated significantly with both the RT and MT. However, the RT showed a more significant correlation. Conclusion: A delay in the initiation and termination of the brake response may have clinical implications. A further study will be needed to determine the different factors contributing to the driving performance of elderly drivers.
신화랑(Hwa-Rang Shin),이동윤(Dong-Yun Lee),홍원표(Won-Pyo Hong) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
Machine Capability Index(Cmk) is the mechanical ability of equipment to evaluate the stable production capability. In this paper, Machine Capability Index of the machining center has been evaluated by using CMM(Coordinate Measuring Machine) measuring data of machined workpieces.
신화경,이준민,조인숙,Shin, Hwa-Kyoung,Lee, Joon-Min,Jo, In-Sook 한국주거학회 2010 한국주거학회 논문집 Vol.21 No.4
A program of public facilities is essential in a resident's life, and such a programs affects the quality of life and community activation. The purpose of this study is to analyze the present condition of the program of public facilities and the residents' need of the program in Yanglim-Dong, Gwangju. In this study, a field survey and questionnaire survey are used for data collection. The results of this study are shown as follows: first, most of the public facilities' programs are composed of educational and welfare programs and programs for teenagers, young people and middle-aged people. Second, most of the residents prefer to have a program for culture and sport. Third, age according to program preference and in terms of educational relation program and cultural relation demand difference approaches. Fourth, most of the residents want to join one or two programs every weeks and prefer to participate during the afternoon and evening.