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프레탈^(R)정(실로스타졸 50mg)에 대한 실로졸^(R)정의 생물학적 동등성
최한곤,권기철,이승호,김학미,박병주,유봉규,이종달,이경희,하정희,우종수,박인숙,최진석,용철순 한국병원약사회 2003 병원약사회지 Vol.20 No.1
Bioequivalence of two cilostazol tablets, the Pletaal^(R)(Korea Otsuka Pharmaceutical Co., Ltd.) and the Cilozol^(R)(Hanmi Pharmaceutical Co., Ltd.), was evaluated according to the guideline of KFDA, Sixteen normal male volunteers(age 20~29 years old) were divided into two groups and a randomized 22 cross-over study was employed. After two tablets containing 50㎎ of cilostazol were orally administered. blood was taken at predetermined time intervals and the concentration of cilostazol in plasma was determined with an HPLC method using UV detector. The pharmacokinetic parameters(C_(max), T_(max) and AUC_(t)) were calculated and ANOVA was utilized for the statistical analysis of parameters. The results showed that the differences in C_(max), T_(max) and AUC_(t) between two tablets were 4.99%, 1.74% and 7.68%, respectively. The powers(1-β) for C_(max), T_(max) and AUC_(t) were83.92%, 80.12% and 85.03%, respectively. Detectable differences(Δ) and confidence intervals were all less than 20%, and confidence interval of all the parameters were also less than 20% at the significance level(α) of 0.05. All of these parameters met the criteria of KFDA for bioequivalence, indicating that Cilozol^(R) tablet is bioequivalent to Pletaal^(R) tablet.
분산중합을 이용한 Poly(MMA-co-2-HEMA)의 고 고분자량의 합성 및 특성 연구
임수빈,현수용,한병학,김형중 公州大學校 工學硏究院 生産技術硏究所 2004 論文集 Vol.12 No.-
Poly[methyl methacrylate(MMA)-co-2-hydroxyethyl methacrylate(2-HEMA)] particles were synthesized by dispersion polymerization in a cyclic hydrocarbon medium. The reactions were carried out at 72~80℃ in the presence of SIS block copolymer and t-butyl peroxy-2-ethyl hexanoate, as steric stabilizer and initiator, respectively. The used cyclic hydrocarbon medium were cyclohexane and methyl cyclohexane. The resulting poly(MMA/2-HEMA) latexes were found to be monodisperse particle diameter of 2~3㎛. Dispersion polymerization of poly(MMA/2-HEMA) were carried out to investigate the effect of concentration of initiator. The molecular weight of poly(MMA/2-HEMA) in presence of methyl cyclohexane than cyclohexane was increased.
10-단일치환된 Anthrone으로부터 9-치환된 Anthracene 유도체의 합성
김학원,홍수동,윤병훈,김지한 경희대학교 환경연구소 1997 環境硏究 論文集 Vol.7 No.-
Direct syntheses of 9-(3-propenyl)anthracene(l0) and 9-(3-ethoxy-3-oxopropyl) anthracene(l3) were reported. 9-(3-Propenyl)anthracene(l0) was prepared from the NaBH_(4) reduction of 10-(3-propenyl)anthrone(7). Also, 9-(3-ethoxy-3-oxopropyl)anthracene(13) was prepared from the NaBH_(4) reduction and the subsequent P_(2)O_(5) dehydration of l0-(3-ethoxy-3-oxopropyl) anthone(l1)
2종의 Ferrite가 혼합된 페라이트/ 고무 복합형 전파흡수체의 전파흡수특성
김한근,이수호,손무헌,박정학,사공 건 東亞大學校 1997 東亞論叢 Vol.34 No.-
In this study, the ferrite/rubber composite microwave absorbers mixed Ni-Zn ferrite and Ni₂Y ferroxplanna were prepared in order to control matching condition. The variation of the material constants(ε*, μ*) and microwave absorbing characteristics were investigated with various ferrite mixing ratio. The material constants of ferrite/rubber composite microwave absorber could be controlled by variation ferrite mixing ratio.
20주간의 혼합운동프로그램이 정신지체 성인의 신체조성과 체력에 미치는 효과
전종귀,염동삼,조병준,이상기,박희근,한동수,장학영 한국특수체육학회 2004 한국특수체육학회지 Vol.12 No.3
The purpose of this study was to figure out the effects of participation in a combined exercise program on the body composition and physical fitness of adults with mental retardation. Fifteen adults with mental retardation in a special institute took part in aerobic and strength , combined exercise at 55 - 69%HRmax at least one hour a day, 3 times a week for 20 weeks. The body composition and physical fitness profiles of subjects were measured before and after training period, respectively. Dependent t-test was used to analyze the statistical significance. The results were as follows; First, participants showed more favorable % body fat, lean body mass, fat mass, WHR after training. Second, participants showed more improved upper body strength and balance after training. The findings imply that the combined exercise program for long duration had significant effects on the health promotion of adults with mental retardation.
Han, Hak Soo,Chung, Hyun Soo,Park, Sung Kook,Joe, Yun Gil 대한전자공학회 1996 APCCAS:Asia Pacific Conference on Circuits And Sys Vol.1 No.1
The increasing speed of advanced chip technologies has greatly challenged the interconnection methods and processes in order to achieve enhanced capability. We have successfully fabricated the solder bump and it's reflowing process for flip-chip bonding interconnection technique instead of conventional wire bonding for high speed devices. The lead(Pb: 350℃) and the Indium(In: 157℃) were used for solder bump and deposited by using thermal evaporation. The thickness of the deposited metal for solder bump was in the range of 5∼6㎛ thickness. Specially, to increase the accuracy and the reliability of the flip-chip bonding Technique, 3 layer thick photoresist about 30㎛ was used to control the deposition area for solder bump. It was also used for the lift-off process of excess deposited metal for solder bump. The height of solder bump through the reflowing process was controlled in the range of 10∼40㎛ according to the deposited area and shape. Also, the deposited area and shape was one of the most important parameters for solder bump fabrication. In addition, it was found that an oxidized surface layer effects on the increased melting temperature of deposited metal for solder bump. In this process, the reflowing temperature of PB/In (60:40 wt%) solder bumps was 230±5℃.
Green Emitting PLED Having Polymeric Host and Dopant in Emissive Layer
Han, Yoon Soo,Kim, Hoyoung,Choi, Byeong Dae,Song, Jeong Han,Kwon, Younghwan,Hur, Youngjune,Kwak, Giseop,Kim, Soon Hak,Park, Lee Soon,Choi, Byeong-Dae TaylorFrancis 2007 Molecular Crystals and Liquid Crystals Vol.470 No.1
<P> Poly(1,1'-biphenyl-4,4'-ylene vinylene-alt-2,5-bis(2-ethylhexyl)-1,4-phenylene vinylene] [poly(BPV-alt-BEHPV)] as a polymeric dopant, was synthesized by Honer-Emmons condensation from corresponding dialdehyde and diphosphonate monomers. Synthesized alternating polymer was used to fabricate single layer (ITO/Host:Dopant/Al) PLEDs with poly(vinyl carbazole) (PVK) as a host. Conjugated poly(BPV-alt-BEHPV) showed green emission from single layer ITO/poly(BPV-alt-BEHPV)/Al device. Emission colors from doped PLEDs were changed by energy transfer from blue originated from PVK to green with increasing the content of poly(BPV-alt-BEHPV).</P>