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부산지역 일부 약수터에 대한 ‘맛있고 건강한 물’의 지표 적용
김현실,김익성,박청길,곽명화,윤철종,박승조 동아대학교 환경문제연구소 2001 硏究報告 Vol.24 No.2
This study was performed to investigate the water quality of some natural mineral springs in Busan. Samples for this study were collected at fifty sites during a year. from March 2000 to February 2001. The overall tendency of mineral was Na>Ca>Mg>K, and the seasonal variation of each components were like this - Ca: Win>Spr>Sum>Aut, Mg: Spr>Win>Sum>Aut, Na: Sum>Aut> Spr>Win, K: Aut>Sum>Spr>Win The K and O index suggested by Hashimoto was followed : delicious water(58%) > not belong to any group(34%) > healthy and delicious water(6%) > healthy water(2%).
치간 삭제 후 불소 또는 수산화인회석 도포 시 재광화 및 탈회억제에 관한 연구
홍현실,김호영,성지영,조진형,김상철 대한치과교정학회 2010 대한치과교정학회지 Vol.40 No.4
치간 삭제 후 재광화 및 치아우식 예방법을 찾기 위한 노력의 일환으로 1.23% 인산화불소 젤 또는 5%, 10% 수산화인회석함유 페이스트를 치간 삭제된 법랑질 표면에 도포하였고, 그 후 젖산탈회용액으로 처리하였다. 법랑질 표면의 재광화 및 탈회 후 결정구조 변화를 주사전자현미경으로 관찰하고 칼숨, 인, 불소 함량 등의 변화를 energy dispersive X-ray spectroscopy 로 분석해서 비교하였다. 치간 삭제 후 5%, 10% 수산화인회석함유 페이스트를 도포한 군에서 칼숨과 인 합량이 증가하였고, 1.23% 인산화불소 젤 도포 군에서는 불소 함량이 증가하였다. 또한 모든 재광화 제제에서 법랑질 표면이 매끄럽고 부드러워졌으며 결정구조가 작고 치밀해짐을 관찰할 수 있었다. 10% 수산화인회석합유 페이스트로 재광화한 군은 탈회 후에도 칼슐과 인 함량이 증가된 채로 유지되었고, 5% 수산화인회석합유 페이스트로 재광화한 군은 탈회 후 인 함량이 증가된 채로 유지되었다. 치간 삭제 후 탈회 처리 시 대조군의 법랑질은 파괴양상이 심해 거친 굴곡으로 이루어진 불규칙한 표면 상태를 나타내었으나 불소 및 수산화인회석으로 재광화한 군에서는 법랑질의 파괴양상이 적어 작은 결정입자들과 미세공극이 유지되었다. Objective: The aim of this study was to evaluate the effect of remineralization and inhibition to demineralization after fluoride gel (acidulated phosphate fluoride, APF) or hydroxyapatite (HAp) paste application on interdentally stripped teeth. Methods: After interdental stripping, 1.23% APF or 5%, 10% HAp paste were applied for 7 days for remineralization. Afterwards, teeth were exposed to lactate carbopol buffer solution for demineralization. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) were used to compare change in surface contents and crystal structures after remineralization, and then after demineralization. Results: EDS analysis indicated that calcium (p < 0.001) and phosphate (p < 0.01) contents were increased after 10% HAp paste application on stripped enamel, calcium (p < 0.05) and phosphate (p < 0.01) contents were increased after 5% HAp paste application, and fluoride (p < 0.01) contents were increased after 1.23% APF application. SEM image showed that enamel surfaces became smoother and crystal structures became small and compact after APF or HAp application. After demineralization, calcium (p < 0.05) and phosphate (p < 0.05) contents remained increased on the enamel remineralized with 10% HAp paste, and phosphate (p < 0.05) contents remained increased on the enamel remineralized with 5% HAp paste. After demineralization, surfaces looked less destroyed in the enamel remineralized beforehand than those of the control, and small pores between crystal structures, formed by remineralization were remained. Conclusions: Hydroxyapatite paste and fluoride gel were helpful to remineralize and inhibit deminerlization on stripped enamel.
人蔘 Saponin成分이 흰쥐 膽膵液 分泌에 미치는 效果에 관한 硏究
愼鏞會,李炫實,朴鍾大,趙台淳 成均館大學校 科學技術硏究所 1990 論文集 Vol.41 No.2
The effect of saponins including water extract of Panax Ginseng was studied on the pancreaticobiliary secretion and cholate output and amylase activity in rats. The saponins tested were crude saponin, panaxadiol (PDS), panaxatriol (PTS). After single or two weeks administration of the samples, pancreaticobiliary juice of rats were collected for 8 hrs and the results obtained were summarized as follows. (1) In animals with single administration, pancreaticobiliary juice volume(PJV) was not significanty increased as compared to the control group. However, there was a significant increase in PJV of animals from 4 to 6 hrs after two weeks administration of water extract (500mg / kg / day) or crude saponin(50mg / kg / day). (2) Cholate output was increased dose-dependently from 1 to 5 hrs after the single administration of PDS, PTS. On the other hand, after two weeks administration of crude saponin (50mg/kg/day), the cholate output of the animals was increased significantly. (3) amylase activity in the juice were intermittently increased in single administration of water extract, crude saponin and PTS(100mg / kg). After two weeks administration, there was a significant increase in amylase activity of animals treated with PTS as compared to the control group.
문창기,박상준,조민구,김영중,김소연,김윤권,정준오,안석진,김은실,서승오,김지훈,최원제,이윤영,박형기,최규영,김현근 대한감염학회 2006 감염과 화학요법 Vol.38 No.6
Background: The purpose of this study was to document the incidence and clinical characteristics of patients with tuberculosis (TB) in combat and auxiliary police, living in a group, in Korea where the incidence rate of active TB in a general population is higher than in Western countries. Materials and Methods:We retrospectively reviewed the medical records of all tuberculosis patients diagnosed at National Police Hospital from January 2002 through December 2004. Results:In 2002-2004, a total of 156 cases of tuberculosis were identified with the mean (Standard deviation) age of 20.6 (±1.0) years. Of these, 134 (85.9%) patients were registered as new cases, 11 (7.1%) as relapse, 2 (1.3%) as failure, 5 (3.1%) as treatment-after-default cases whereas 4 (2.6 %) patients were not included in any categories. Average annual new TB rate and smear-positive TB rate were 86.5/10^(5) and 17.4/10^(5) person-years, respectively. In 12 of 31 smear-positive cases, time from onset of symptoms to diagnosis was more than 30 days. Two multidrug-resistance TB cases were identified and two suspected outbreak episodes of TB had occurred during 3 years. Conclusion:There was no statistically significant difference in the incidence rate of new cases of TB between the general population aged 20 to 29 years and combat and auxiliary police in Korea. 배경 : 국내 결핵의 발생은 감소 추세에 있으나 여전히 후진국형 발생양상을 보이고 있다. 특히 집단생활을 하는 젊은이들에서 발생하는 결핵의 유행이 간헐적으로 알려지고 있어 우려를 낳고 있다. 이에 저자들은 최근 전경대원의 결핵 발병 양상에 대해 알아보고자 본 연구를 시행하였다. 재료 및 방법 : 2002년 1월부터 2004년 12월까지 3년간 경찰병원에서 결핵 진료를 받은 전경대원의 의무기록을 후향적으로 분석하여 연도별 결핵 신환발생률, 도말양성결핵 신환율, 진단 지연, 집단발병, 다제내성결핵을 조사하였다. 결과 : 연도별 결핵 신환자 수(10만명당 발생추정치)는 2002년 50명(83.6명), 2003년 42명(83.7명), 2004년 42명(93.5명)이었고 도말양성 폐결핵 신환자 수는 2002년 10명(16.7명), 2003년 11명(21.9명), 2004년 6명(13.4명)이었다. 3년간 도말양성 폐결핵 환자는 31명이 있었고 그 중 12명은 호흡기 증상 발생 30일이 지나서 진단을 받았다. 다제내성 결핵은 2명이 있었으며 결핵의 집단발병이 의심되는 사례는 2차례 있었다. 결론 : 전경대원과 20-29세 연령군 일반인의 결핵 신환발생률, 도말양성 폐결핵 발생률의 통계적으로 유의한 차이는 없었다.
Sea-Level Pressure Response to the Fast Solar Wind Stream
Cho, Il-Hyun,Kwak, Young-Sil,Marubashi, Katsuhide,Chang, Heon-Young,Cho, Kyung-Suk,Kim, Yeon-Han,Park, Young-Deuk,Choi, Ho-Sung 한국우주과학회 2010 한국우주과학회보 Vol.19 No.1
Solar-terrestrial links in short-time scales(daily ~monthly) are extensively explored in recent years: such as a response of low cloud amounts to the Forbush decrease, a response of Northern Atlantic oscillation index to sudden increase in electric field
Takotsubo Cardiomyopathy Following Cerebral Infarction Involving the Insular Cortex
Cho, Hyun-Ji,Kim, Hahn Young,Han, Seol Heui,Kim, Hyun Joong,Moon, Yeon Sil,Oh, Jeeyoung 대한신경과학회 2010 Journal of Clinical Neurology Vol.6 No.3
<P><B>Background</B></P><P>Takotsubo cardiomyopathy is characterized by clinical features similar to those of acute myocardial ischemia, but without angiographic evidence of obstructive coronary artery disease. We present a patient with takotsubo cardiomyopathy following acute infarction involving the left insular cortex.</P><P><B>Case Report</B></P><P>A 52-year-old man was admitted with acute infarction of the left middle cerebral artery territory and acute chest pain. Acute myocardial infarction was suspected because of elevated serum troponin levels and hypokinesia of the left ventricle on echocardiography. However, a subsequent coronary angiography revealed no stenosis within the coronary arteries or ballooning of the apical left ventricle.</P><P><B>Conclusions</B></P><P>We postulated that catecholamine imbalance due to the insular lesion could be responsible for these interesting features.</P>