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Effects of Exercise Types on BNDF and Cognitive Functions in Middle Aged Women
김유범(Yu-Beom Kim1),김경래(Kyeong-Lae Kim),박성태(Sung-Tae Park) 한국교원대학교 뇌기반교육연구소 2020 Brain, Digital, & Learning Vol.10 No.2
This study is to analyse the impact of two types of exercise on BDNF and cognitive functions in middle aged women. Thirty nine healthy women, aged 50~64 years followed by randomly assigned to a task learning exercise group(n=13), non-task learning exercise group(n=13) and control group(n=13). The TEG performed a dance sports and cognitive band resistance exercise and the NTEG performed a walking and band resistance exercise. Blood sampling and auditory verbal learning test(AVLT) were performed at before exercise, after one bout exercise, and 4 weeks after. As a result, an one bout exercise of moderate intensity on middle aged women was not affected transient change of BDNF significantly regardless of exercise types, but a task-learning exercise was affected positive effect on AVLT. A chronic exercise of moderate intensity for 4 weeks on healthy middle aged women was not affected increasing of basal BDNF levels and memory performance significantly.
Pachymeniopsis sp.의 폐수 내 가용성 비소 제거 가능성 평가 및 토양세척공법에의 적용
정현규,김유범,최상일,김선구,김휘중,Jung, Hyun-Gyu,Kim, Yu-Beom,Choi, Sang-Il,Kim, Sun-Gu,Kim, Hee-Jung 한국지하수토양환경학회 2011 지하수토양환경 Vol.16 No.2
In this report, we provide experimental evidence that heavy metal ions could be removed using Pachymeniopsis sp., particularly soluble arsenic in leachate from soil contaminated by arsenic. We performed pilot scale of soil washing process based on our results. The adsorption of arsenic by Pachymeniopsis sp. indicated that it could be described with the Langmuir Model and the maximum adsorption capacity increased with decreasing pH (pH 3: 102.48 mg/g, pH 5: 98.32 mg/g, pH 7: 57.70 mg/g, pH 9: 43.34 mg/g) and increasing temperature (10$^{\circ}C$ : 60.38 mg/g, 20$^{\circ}C$ : 76.39 mg/g, 30$^{\circ}C$ : 112.12 mg/g). Our results revealed that soluble arsenic in leachate was removed from 24.03 mg/L to 0.6 ${\pm}$ 0.1 mg/L by Pachymeniopsis sp. for 48hours on pilot scale of soil washing process.