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Seol-Hee Moon,Du-Yeol Kim,Jung-Min Lee,Hee-Won Park,Hye-Yeong Lee,Yong-Hoon Lee,Jaesung Lee,Jiwon Jung,Min-Ju Kim,Kyoung-Baek Choi,Yu-Kyoung Oh,Young-Bong Kim,Sujeong Kim,Seung Min Oh 환경독성보건학회 2014 환경독성보건학회지 Vol.29 No.-
Objectives : The sub-acute toxic effects following repetitive intramuscular injection of two cervical cancer vaccines newly developed against human papillomaviruse (HPV)16/58/18 and HPV16 were investigated in female ICR (CrljOri: CD1) mice, and the no-observedadverse-effect-level (NOAEL) of the cervical cancer vaccines was estimated. Methods : Female ICR mice (n=15 in each group) were exposed to a 1:1 mixture of two cervical cancer vaccines by repetitive intramuscular injection (once a week, 5 times) for 5 weeks. Mortality, body weight, organ weight, hematological/biochemical parameters, and histopathological effects were examined at different concentrations (0, 1×10<SUP>8</SUP>, 5×10<SUP>8</SUP>, and 2.5×10<SUP>9</SUP> copies/animal) of the cervical cancer vaccines. Results : The cervical cancer vaccines did not show toxic responses for body weight, absolute/relative organ weight, hematological/biochemical parameters, or histopathological parameters. Conclusions Female ICR mice exposed to vaccines for cervical cancer did not show any toxic response. We suggest that a NOAEL of the vaccine following repetitive intramuscular injection for 5 weeks is >2.5×10<SUP>9</SUP> copies/animal.
Oh Seol Hee,Park Sun-Young,Kim Sewon,Yoon Kyung Joong,Shin Hyeong Cheol,Lim Kyoung Tae,이종호 한국세라믹학회 2024 한국세라믹학회지 Vol.61 No.1
The Sm0.5Sr0.5CoO3 (SSC) material is widely recognized as the most electrochemically active cathode material for solid oxide fuel cells (SOFCs). However, due to its poor thermo-mechanical and chemical compatibility with other cell components of the SOFC, it has been challenging to implement it as a cathode material. To address this issue, this study explores various architectural configurations of cathode, including layered and composite type structures, to identify the optimal approach to incorporating SSC material for enhanced SOFC performance. The study reveals that the most effective method of incorporating SSC material is through a mixture with the conventional La0.6Sr0.4Co0.2Fe0.8O3 (LSCF) and Ce0.9Gd0.1O2 (GDC) composite cathode materials. In particular, when the sinterability of GDC is enhanced through the addition of a sintering aid, it exhibits superior adhesion with the neighboring interfaces, which results in the highest performance characteristics while simultaneously maintaining excellent structural stability.
일부 노인요양시설 종사자의 노인구강건강관리 인지도 조사
김설희 ( Seol Hee Kim ),김춘희 ( Chun Hee Kim ),손가연 ( Ga Yeon Son ),양송이 ( Song Yi Yang ),조미숙 ( Mi Suk Cho ),오상환 ( Sang Hwan Oh ) 한국치위생학회 2014 한국치위생학회지 Vol.14 No.5
Objectives : The purpose of the study is to investigate the perception of elderly oral health care in the care workers in nursing homes. Methods : A self-reported questionnaire was filled out by 200 care workers in nursing homes in Daegu and Busan. Data were analyzed by SPSS 18.0 program. Results : The oral health care was maintained by innately healthy mouth(49.5%), dentists(48.5%), public health centers including institution and dentistry(46.5%), regular visit to dentistry(44.0%), and ingestion of healthy food(38.5%). Fifty eight percent of the respondents(116 persons) agreed that regular and proper toothbrushing is the most important behavior to maintain the healthy teeth. The regular visit to dental clinics(Wald=7.076, p=0.008) and an oral care by specialist (Wald=5.210, p=0.022) influenced on elderly oral health status(p<0.05). Conclusions : The oral health care education is very important for the workers in the nursing homes that the education can improve the perception toward the elderly oral health.