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자연산 점몰개, Squalidus multimaculatus Hosoya et Jeon의 새인두흡충, Clinostomum complanatum (Rudolphi, 1814) 감염
박명애 ( Myoung Ae Park ),서정수 ( Jung Soo Seo ),정승희 ( Sung Hee Jung ),최희정 ( Hee Jung Choi ),전은지 ( Eun Ji Jeon ),지보영 ( Bo Young Jee ),이완옥 ( Wan-ok Lee ),우승호 ( Sung Ho Woo ),이은혜 ( Eun Hye Lee ) 한국어병학회 2011 한국어병학회지 Vol.24 No.2
경상북도 영덕군의 하천에 서식하는 점몰개 spotted barbel gudgeon (Squalidus multimaculatus Hosoya et Jeon)의 근육에서 새인두흡충 Clinostomum complanatum (Rudolphi, 1814)의 피낭유충이 발견되었다. 감염된 점몰개는 "yellow grub"인 기생충의 피낭유충으로 인해 표면이 울퉁불퉁하게 보였으며, 수면위에 힘없이 유영하였고 일부 폐사한 개체도 발견되었다. 분리된 탈낭유충의 형태는 혓바닥 모양이었으며, 크기는 2.85~5.89 mm×0.8~1.99 mm였다. 어체당 1~98 개의 피낭유충을 분리하였으며 평균 감염수는 25개로 나타났다. 특히, 성어크기인 평균 7 cm 정도의 점몰개는 100% 감염되어 있었다. 본 연구는 한국의 자연수계에 서식하는 어류에서 C. complanatum 의해 질병이 발생하고 폐사가 일어난 첫 보고이다. The metacercariae of Clinostomum complanatum (Rudolphi, 1814) were isolated in the whole body muscle of wild freshwater fish, spotted barbel gudgeon (Squalidus multimaculatus Hosoya et Jeon) from the local river in Yeongdeok, Gyeongsangbuk-do, Korea. The infected fish with bumpy body surface by "yellow grub" showed erratic swimming behavior and some fish were died. The isolated excysted metacercariae were tongue shaped and 2.85~5.89 mm × 0.8~1.99 mm in size. 1~98 metacercariae were isolated in individual fish and mean infection intensity was 25. All examined adult spotted barbel gudgeon sizing 7 cm in body length were infected. This is the first report of disease outbreak and mortality caused by C. complanatum infection in wild freshwater fish in Korea.
폴리메타크릴레이트를 이용한 케토로락 트로메타민 서방성 정제의 제조와 용출평가
전일순,윤재남,이은미,박용근,김동우,이계원,지웅길 충남대학교 약학대학 의약품개발연구소 2003 藥學論文集 Vol.18 No.-
To improve administration of ketolorac tromethamine, we prepared matrix tablets with Eudragit (RS 100 or 30D), diluents (avicel:lactose=l:l or Ca phosphate) and Mg stearate using wet-granulation method. Sustained release matrix tablets using Eudragit® RS 100 7 and 10% decreased dissolution rate at pH 1.2 and 68 Ca. phosphate as diluents showed more decreased dissolution rate than that of avicel:lactose (1:l). Sustained release matrix tablets using Eudragit® RS 30D also showed very effective sustained release of KT.
전은채,박주승,권동일 대한금속재료학회 2002 대한금속·재료학회지 Vol.41 No.2
The continuous indentation test, which measures indentation depth with applied load, has been used to evaluate the tensile properties whose accuracy can vary depending on such experimental conditions as maximum depth ratio, indenter radius, number of unloadings and unloading ratio. In this study, Taguchi method, one of the designs of experiment, was applied to quantify the effects of the experimental conditions effectively. Using a signal-to-noise ratio calculated from the error in the indentation tensile properties, the optimum values of the experimental conditions were presented. The indentation tensile properties from the load-depth curves with the optimum conditions showed better accuracy than those with existing conditions.
기능성 생식, 다이어트식 및 장개선제가 비만개선에 미치는 영향
전태일,전은자,김창성,이주용,안홍석,임병우,최영숙,박웅채,박동기 建國大學校附設農業資源開發硏究所 2001 農資源開發論集 Vol.23 No.-
Obesity is defined as an excess of body fat and is closely related to diabetes, hypertension and heart disease. Dietary cure has been paid attention as a method for preventing from or curing obesity. The effect of some food products developed in this laboratory, such as, functional saengsik (Health & Joy saengsik), diet food (Health & Joy diet meal) and intestine function activator (Cell-pa, commercial name) on curing and protecting from obesity were investigated. Diet program was applied to 31 adults (Males 22, Females 9) with above 120% body mass index (BMI). After diet program was applied, body weight, body fat and fat weight decreased by 1, 4.8 and 4.5% (p<0.01), HDL-cholesterol increased by 3.6% and LDL-cholesterol and atherogenic index decreased by 6.6 and 7.7% (p<0.05). Consequently, the food products developed in this laboratory effectively reduced the obesity.
전은석,곽병수,이강욱,박종훈 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.2
It is known that the normal His-Purkinje system provides for nearly synchronous activation of the right and left ventricles. When this His-Purkinje conduction is abnormal, the resulting sequence of the both ventricular contraction should be changed. These abnormal mechanical consequences resulting from abnormal conduction system have been difficult to demonstrate because these are very rapid and complex. We evaluate the phase angle analysis using radionuclide gated blood pool scan(GBP) as a quantitative method which can determine the asynchronous contraction of left ventricule in patients with complete left bundle branch block(C-LBBB, 20 cases) and complete right bundle branch block(C-RBBB, 15 cases). The results as follows : 1) The ejection fractions, peak ejection rates, in GBP were significantly decraesed in patients with C-LBBB compared with controls(10 cases, 70± 4.2 vs 44± 13.9%, 3.51± 0.62 vs 2.48± 0.98, p<0.05 by t-test respectively). The peak filling rates were also decreased in patients with C-LBBB(3.38± 0.92 vs 1.76± 0.71, 1A.05). 2) In the phase angle analysis, the standard deviations and the width of half maximum of phase angle were significantly increased in patients with C-LBBB(8.6± 1.8 vs 20.6± 18.1, 16.0± 3.9 vs 22.5± 9.2, p<0.05 by t-test respectively). And the ranges of phase angle were also increased in C-LBBB(51.3± 5.4 vs 95.7± 31.7, p<0.05). 3) But there were no significant differences in GBP and phase angle analysis between patients with C-RBBB and controls. As the results above, it can be concluded that the phase angle analysis can provide an accurate noninvasive method to detect the asynchronous contraction in patients with abnormal intraventricular electrical activation.
주문형 비디오 시스템에서의 데이타 저장 및 디스크 스케줄링 기법
전용희,박은미 대구효성가톨릭대학교 응용과학연구소 1997 응용과학연구논문집 Vol.5 No.-
Generally speaking, I/O capability and storage requirements are more important than computing capability in a video system. The gap between processor performance and I/O system is expected to widen continuously. Therefore, the disk system typically becomes the bottleneck in a Video-On-Demand(VOD) system. Data storage in a VOD server is different from that of conventional file server in respect to the points that needs real-timeliness and requires large storage capacity. The conventional storage servers are not also geared to handle the demands of applications that deal with continuous media. In this paper, we made a survey of the placement methods for mutimedia data strage and presented a VOD data structure which can minimize the seek overheads in retrieval and maximize the throughput, thus may result in a substantial increase in the access efficiency for storage and retrieval. Using the data structure, we simulated the disk system in a VOD server and compared the performance of some disk scheduling schemes.
전은채,백민경,김성훈,박주승,권동일 대한금속재료학회 2004 대한금속·재료학회지 Vol.42 No.12
Continuous indentation test is getting more used to derive indentation flow curve. The overall deriving algorithm is relatively well-established, the details of the algorithm are, however, still argued. One of the arguments is the definition of true strain which constitutes the indentation flow curve. In this study, work-hardening exponent was adopted for determining what definition is appropriate to obtain accurate indentation flow curve since work-hardening exponent is affected by only the definition of true strain not by other constants. The effect of calibrating contact depth was eliminated using finite element analysis. Finally, the definition based on tangent function was determined to be proper for deriving the indentation flow curve. (Received September 8, 2004)