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이전(Jeon Lee),오영종(Young Jong Oh),장성근(Sung Geun Jang) 대한전기학회 2010 정보 및 제어 심포지엄 논문집 Vol.2010 No.10
최근의 소비수준의 향상과 더불어 웰빙(well-being) 트렌드로 인해 피부미용에 대한 수요가 꾸준히 증가하고 있으며, 수요층이 넓어진 만큼 이들을 충족시킬 수 있는 다양한 형태의 제품 개발이 필요한 상황이다. 본 연구팀에서는 온열자극의 혈액순환 촉진 및 신진대사 증진, 산소, 영양물질 공급 증가, 노폐물 제거 원활 등의 장점과 한방 쑥뜸의 약리적 효과를 동시에 낼 수 있는 피부미용을 위한 한방 온열 자극기를 개발 중에 있다. 본 연구는 개발 중인 용열자극기의 가장 중요한 부분인 온열자극 회로를 개발하고 이에 대한 성능을 평가하는 것을 목표로 하였다. 이를 위해 LabView를 기반으로 목표온도를 30℃-60℃ 구간을 5℃ 간격으로 변화시키면서 목표온도 1)도달시간, 목표온도 도달 후의 2)평균 온도, 3)표준편차, 4)변동의 항목을 관찰하였다. 그 결과 목표온도와 목표온도 도달시간 간에는 지수함수적인 관계가 있는 것이 확인되었으며, 평균 온도를 기준으로 온도의 오차가 ±5℃ 이하로 나타나 개발된 온열자극 회로의 성능이 적절함을 알 수 있었다.
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한국인 산모와 신생아에서 NANB 간염과 B 형 간염에 관한 연구
최관수(Gwan Su Choi),김지운(Ji Woon Kim),장영호(Yung Ho Chang),오은아(Eun A O),양인애(In Ae Yang),유영근(Young Geun Ryoo),이봉섭(Bong Seob Lee),정남기(Nam Ki Jong),오영종(Young Zong Oh),남명숙(Myoung Soog Nam),임순선(Soon Seon Lim),김 대한소화기학회 1988 대한소화기학회지 Vol.20 No.2
N/A To assess the frequency of hepatitis in pregnant women, we examined the findings of the physical examination, medical history, liver function tests and viral markers in 7,580 pregnant women who delivered at St. Columbans Hospital in Mokpo City from April 1st, 1985 to June 30th, 1988. We compared the characteristics of hepatitis B in 28 mothers and 17 newborn infants, and of non-A, non-B hepatitis in 17 mothers and 61 newborn infants, The results were as follows; 1) Among 7,580 pregnant women, there were 629 cases (8.30%) of HBV carriers. Abnormal elevation of transaminase at delivery was noted in cases of hepatitis A (2, 0.03%), hepatitis B (25, 0. 33%), NANB hepatitis (57, 0.75%) toxemia (9, 0.12%) and drug induced hepatitis (1, 0,01%). 2) The earliest elevation of transaminase was noted at 3 months in 9 hepatitis B infants (6, 66.7%) and 61 NANB hepatitis infants (57, 93.4%). The highest elevation of transaminase was noted at 3 months in 61 NANB hepatitis infants (41, 67. 2%) and seemed to be delayed in 9 hepatitis B infants due to the effect of vaccine. 3) Abnormal transaminase was normal within 6 months in 17 cases (60.7%) of 28 mothers with hepatitis B, and 14 cases (82.4%) of 17 mothers with NANB hepatitis. If we test and observe for )onger time the cases of chronic hepatitis with intermittent elevation of transaminase may increase more. Twenty-seven of 28 hepatitis B mothers were positive for HBsAg for more than 1 year. Duration of abnormal transaminase in hepatitis B infants was much different by the vaccination, but total number of cases was very small. Among 61 NANB hepatitis infants, continuous elevation of transaminase was noted in 5(62.5%) of 8 infants who had no imrnunoprophylaxis, 19(55.9%) of 34 infants who received HBIG & Hepavax, 5(26.3%) of 19 infants who received gamma-globulin. There was slight but not significant inhibition of persistence of abnormal transaminase in group of gamma-globulin injection (0.05<p<0.1). The mean level of maximal ALT was higher in hepatitis B (148.32+162.47 IU) than in NANB hepatitis mothers (76.53<53.14 IU). It was similar in infants of both hepatitis B & NANB, and lower in infants who received Hepavax, gamma-globulin but it was not statistically significant. 4) Among the factors which may influence the elevation of ALT in hepatitis infants the level of ALT in hepatitis mothers had no influence. The immunoprophylaxis with HBIG & hepavax for hepatitis B infants, gamma-globulin for NANB hepatitis seemed to inhibit the elevation of ALT in infants, but not signficantly. ALT was normal in 5 infants (23.8%) of 21 HBeAg positive hepatitis B mothers and in 6 infants (85.7%) of 7 HBeAg negative hepatitis B mothers. There was significant elevation of ALT in infants of HBeAg positive hepatitis B mothers (p<0.0001). The results suggest that the prevalence of NANB hepatitis was higher than hepatitis B in Korean pregnant women at the time of delivery. Duration of abnormal transaminase was similar in mothers with hepatitis B and NANB. The time of the earliest and highest elevation of ALT, the mean level of maximal elevation of ALT were similar in infants with hepatitis B and NANB. Duration of abnormal transaminase and maximal elevation of ALT seemed to be decreased by the immunoprophylaxis with HBIG and Hepavax for hepatitis B infants, gamma-globulin for NANB hepatitis infants, but there was a significant difference in hepatitis B infants whose mothers had HBeAg positivity.
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