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이보람(Bo Ram Lee),박혜준(Hye Jun Park),이강이(Kang Yi Lee) 한국아동학회 2013 아동학회지 Vol.34 No.5
The purpose of this study was (1) to examine the impact of chronic diseases on adolescent`s peer relationships, and (2) to investigate the mediating effect of self-perceived health status and resilience on the relationship between their physical health states and peer relationships. The authors used the first-wave panel data from ``the Korean Children-Youth Panel Survey``. The sample included 2,351 first-grade of middle school students(boys 50.1%, girls 49.9%). Among the subjects examined 48.11% had chronic diseases. Using maximum likelihood estimation with Amos18(Arbuckle, 2009), SEM software, structural equation modeling was tested. The major findings were as follows:1. Adolescents` chronic diseases had a negative impact on peer relationships. 2. Self-perceived health status and resilience had a mediating effect. This suggests that self-perceived health status and resilience could be protective factors when it comes to perceive peer relationships more positively for adolescents with chronic diseases. 3. Resilience was directly affected by self-perceived health status. This indicates that positive self-perception about their health status encourages adolescents with chronic diseases to be more resilient and to more positively affect their perception of their relationships with peers.
한국 성인 여성의 혈중 알코올 농도와 알코올의 약동학적 특징 및 영향 요인
유전원(Jeonwon Yu),이보람(Boram Lee),안민철(Minchoul Ahn),남범우(Beomwoo Nam),이상호(Sangho Lee),이승환(SeungHwan Yi),서정석(Jeong Seok Seo) 한국중독정신의학회 2015 중독정신의학 Vol.19 No.2
Background and Objectives : The aim of this study was to evaluate alcohol pharmacokinetics, such as blood alcohol concentration and alcohol elimination rate, and to identify the cor-relations between various alcohol metabolism factors in healthy Korean female adults. Materials and Methods : Ninety-one subjects were randomly divided into two groups. One group was provided as much as 0.35 mg/mL/kg of alcohol and the other as much as 0.70 mg/mL/kg, and blood alcohol concentration was measured 15, 30, 45, 60, 90, 120, 180, and 240 min af-ter the women finished drinking. Results : The subjects’ mean alcohol elimination rate (β) was -0.002379 mg/100 mL·h, and there was no statistically significant difference in elimination rate between the two groups. The mean time to reach maxi-mum blood alcohol concentration was 45 minutes, alcohol ab-sorption rate was 0.1123±0.1799 g/L/min, and the area under the concentration curve was 109.15±62.95. Among the factors that correlated with alcohol metabolism, alcohol absorption rate and follicle-stimulating hormone were statistically significant, but age, body mass index, and body fat percentage were not significantly correlated with alcohol metabolism. Conclusion : These results suggest that the β values for healthy Korean females can differ from the cut-offs that are currently used in Korea, which suggests that the legal limit for driving under intoxication should be adjusted.
APCVD법으로 성막된 SnO₂:F 박막의 열적 특성 연구
김유승(Kim, Yu-Seung),옥윤덕(Ok, Yun-Deok),김민경(Kim, Min-Koung),이보람(Yi, Bo-Ram),김병국(Kim, Byung-Kuk),이정민(Lee, Jung-Min),김훈(Kim, Hoon),김형준(Kim, Hyung-Jun) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
불소가 도핑된 산화주석(SnO₂:F, FTO) 박막은 다결정 전도성 세라믹으로 가시광선 영역에서 투명하기 때문에 태양전지의 전극으로 활용된다. 본 연구에서 FTO는 APCVD법으로 성막되었다. BSG기판을 사용하여 620?C의 고온에서 공정이 진행되었다. 이렇게 제작된 FTO 박막은 수소, 질소, 대기 분위기에서 여러 열처리 시간을 변수로 실험하여 열처리 전후의 전기적, 광학적, 구조적 변화를 관찰하고 분석하였다. 전기적 특성 분석에는 전기 비저항, 모빌리티 및 캐리어 농도 등의 변화를 알아보았고, 광학적 분석에는 UV-vis spectoscopy로 200nm에서 800nm 파장대역의 투과도를 구하고, Hazemeter를 통하여 총투과율, 평행투과율, 확산투과율 및 Haze를 분석하여 FTO막이 가지고 있는 texturing에 의한 효과를 알아보기 위하여 시편의 열처리 전후를 비교 분석하였다. 구조적 분석은 XRD를 이용하여 pattern을 분석하여 FTO가 가지는 구조변화를 분석하였다. 특히 FTO의 texturing에 기여도가 높은 (200)면의 XRD peak강도가 상승함에 따라 후열처리에 의해 박막의 표면의 변화가 일어남을 확인하였다. FTO의 후열처리에 의한 변화는 전기적으로는 약간의 전기 비저항의 증가를 가져오며, 캐리어 농도의 감소를 가져온다. 캐리어 농도의 감소에 따라 모빌리티의 상승이 관찰되었다. 광학적 특성은 가시광선 영역에서 투과율은 거의 같거나 약간 감소하는 경향을 나타내며, 후열처리 전후에 거의 동일한 투과율을 보이면서도 확산 투과율이 상승하는 분석 결과를 얻었다.
APCVD법을 이용한 박막 태양전지용 SnO_2:F 투명전극 특성 연구
옥윤덕(Ok, Youn-Deok),김유승(Kim, Yu-Seung),이보람(Yi, Bo-Ram),김민경(Kim, Min-Kyoung),김병국(Kim, Byung-Kuk),김훈(Kim, Hoon),이정민(Lee, Jeong-Min),김형준(Kim, Hyung-Jun) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
본 연구에서는 eagle 2000 glass위에 APCVD(atmospheric CVD)증착법으로 SnO₂:F 박막을 제조하였다. 공정 온도, doping 농도, TTC(Tin tetrachloride)와 H₂O, CH₃OH의 조성비를 공정 변수로 두었으며, 각 변수에 대한 전기적, 광학적 특성 및 결정성을 확인하였다. hall measurement를 이용 제작된 박막의 전기적 특성을 확인 하였고, uv-VIS spectroscopy, hazemeer를 이용 박막의 광학적 특성을 확인 하였다. 또한 XRD, FESEM, AFM을 이용 박막의 결정성 및 표면 특성을 확인 하였다. 박막의 결정성을 결정짓는 증착 온도의 경우 590?C에서 완벽한 Tetragonal rutile 형태의 결정성을 보였으며 SnO₂:F film 1{mu}m thickness에서 10({Omega}/{square}) 내외의 우수한 면저항값과 30(cm²/Vs) 이상의 mobility값을 확인 하였으며, 가시광영역대 에서 높은 투과율과 우수한 haze값을 얻었다.
김유진,박미경,박이랑,이보람,이혜림,전선미,양난영,김수지,이자형 이화여자대학교 간호과학대학 2004 이화간호학회지 Vol.- No.38
The results of this Study are as follows:33.6% of all participants have insomnia; 22.5% of those who have insomnia are DIS(difficulty in initiating sleep), 17.3% are DMS(difficulty returning to sleep once awakened) and 7.0% awakened too early. 3 4.8% experience sleepiness during daytime. Type 1, experiencing insomnia and sleepi ness during daytime together, is 12.0%, Type 2, with insomnia only, is 21.6%, Type 3, with sleepiness during daytime only, is 22.8% and 43.5% experience no sleeping disturbances. After studying only those with 3 types of sleeping disturbances, it is found that the most common cause of such disturbance is stress 88.4%, anxiety 56.0%, no apparent reason 33.8%, anxiety/fear/terror 29.3%, hurry 23.6%, alcohol/caffeine 16.9%, bedroom tem perature 11.1%, urination during nighttime and persons living together 10.7%, noise from inside 8.9%, illumination 8.0%, and pain/itch 5.8%. The one group revealed significant differences in residential environment(p=0.003). Sex, age, education level, medicine, monthly earning revealed no meaningful differences. Of sleeping behavior, mean duration of sleep latency(p=0.000), whether or not feeling freshness(p=0.000), whether taking enough sleep(p=0.029), whether taking regular sleep(p=0.005) showed significant differences depending on whether or not having insomnia, and mean duration of sleep time, time to sleep, time of rising, whether taking naps did not reveal significant differences. Of sleep behavior, time to sleep(p=0.000), whether taking naps(p=0.000), indicated significant differences. Of sleeping behavior, mean duration of sleep latency(p=0.000), whether or not feeling freshness(p=0.000), and whether taking enough sleep(p=0.000), time of going to bed (p=0.002), whether or not taking nap(p=0.000), whether or not taking regular sleep(p=0.010) indicated significant differences among the sleeping disturbance types.