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근간대와 간질발작을 동반한 조발형 가족성 알쯔하이머병 환자 1예
안성기,이재홍 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.1
Early-onset familial Alzheimer's disease (EOFAD) is rare and autosomal-dominantly inherited disease by mutations in one of the following three known causative genes:amyloid precursor protein (APP) gene, presenilin-1 (PS1) and presenilin-2(PS2) genes. EOFAD tends to present clinically at a younger age (40-60 years) and myoclonus is recognized as a prominent and early clinical feature, particularly in chromosome 14-linked pedigrees with mutations in the PS1 gene, when myoclonus may be accompanied by seizures. We present a 44-year old man who developed progressive dementia and accompanied by myoclonus and recurrent seizure. His father and uncle had early-onset dementia at the fifth decade. He was pathologically confirmed as Alzheimer's disease. He had apolipoprotein E (ApoE) epsilon 3 allele and PS-1 mutation was not found.
몇가지 β-lactam 항생제의 약효평가를 위한 Minimum Inhibitory Concentration(MIC)의 비교
洪淳德,金鐘國,李東善,河相哲,李相瀚,李載蘭,安賢淑 慶北大學校 1991 論文集 Vol.51 No.-
In order to screen the new β-lactam antibiotics for clinical use. we were compared MIC values of various β-lactam antibiotics. We also tested the influence of pH, inoculum size, stability of antibiotics in medium and some kinds of media on MIC value. As a result, cefotaxime, cefoperazone, piperacillin, cefamandole, cephaloridine, cephapirin, cefazolin, cephalothin, cephaioylycn were scored in antimicrobial activity of MIC data.
작업효율을 만족하고 작업량 평준화를 고려한 작업자할당 방법에 관한 연구
이홍철,안재명,김성식 한국경영과학회 1997 韓國經營科學會誌 Vol.22 No.4
The problem addressed in this paper is to minimize the deviations of workloads assigned to worker and to maximize the total utilizations(degree of skill) between workers and machines simultaneously. Each worker can handle the set of machines with the different degree of skill and each machine has the workloads needed to be processed. Also, each worker has to be assigned to at least one machine with the minimum workload deviation. This problem can be formulated as a preemptive goal programming with generalized assignment constraints. The proposed algorithm consists of two phases. First, a capacitated circulation network is constructed to assign the workers to machines with the maximum total utilizations while considering workloads balance. Then, a refinement process is applied to the split machines to satisfy the feasibility condition. The real industrial application in a plastic extrusion manufacturer is included along with several computational experiments.
전기화학적 방법을 이용한 저온형 연료전지용 고분산 Pt 촉매의 제조
윤봉국,최재식,김현수,임태훈,홍성안,이호인 한국공업화학회 2003 응용화학 Vol.7 No.2
Pt was deposited on carbon support by chronoamperometry. The catalytic activity for methanol oxidation was checked by CV (cyclic voltammetry) method. The amount of Pt loading was calculated by integration of I-t curve obtaining the total current used for the Pt deposition. The ECA (electrochemical active surface area) for loaded Pt was calculated from the hydrogen adsorption/desorption peaks in 0.5 M H₂SO₄solution. Pt was deposited on clean carbon electrode surface with various concentration of Pt solution (0.1 mM) was used. As the concentration of Pt increased, the specific catalystic activity of Pt decreased suggesting that, in the electrochemical reaction of Pt ion with electrode surface, Pt particles were smaller and more dispersed in low concentration of Pt solution. With this condition (0.1 mM Pt), Pt was electrodeposited on a commercial carbon support, Vulcan XC-72. Electrochemically loaded Pt catalyst had the higher ECA, and showed higher specific catalytic activity for mathanol oxidation than a commercial Pt/C catalyst.
과민성 장 증후군의 증상 경감을 위한 비약물적 접근 고찰
최명애,김금순,안경주,채영란,최정안,홍해숙,박미정,이경숙,신기수,정재심 대한기초간호자연과학회 2005 Journal of korean biological nursing science Vol.7 No.2
There have been many trials of clinical efficacy of multicomponent and single component treatments for irritable bowel syndrome(IBS). We reviewed effects of non phamacological treatments in the IBS. Though the efficacy of multi-component approaches was unclear, several results suggest that cognitive behavioral therapy was effective in improving gastrointestinal symptoms of IBS. As a single component, cognitive therapy and relaxation with or without biofeedback could improve the symptoms and psychological health of IBS patients. Yoga, meditation, self-help information and hypnotherapy could be applicable to IBS.