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      • KCI등재

        기술준비도가 자동출입국 심사시스템 사용의도에 미치는 영향에 관한 연구

        최진호,박진우,Choi, Jin-Ho,Park, Jin-Woo 한국항공운항학회 2013 한국항공운항학회지 Vol.21 No.4

        This paper seeks to investigate the effect of technology readiness on the usage of smart entry service. The questionnaires were distributed to passengers who were experience with smart entry service and structural equation modeling was utilized to analyze the data. The results revealed that optimism had a positive impact on perceived usefulness and insecurity had a negative effect on perceived enjoyment. Perceived ease of use had a positive impact on perceived enjoyment, perceived usefulness and intention to use. In addition, perceived usefulness had a positive impact on intention to use. The results from this paper can be used as basic knowledge for developing the smart entry service activation plan.

      • KCI등재

        흰쥐의 생리활성에 미치는 송엽(松葉) 추출물(PNE)의 영향 III. 뇌세포막의 유동성 및 신경전달관련 효소의 활성에 미치는 PNE의 투여효과

        최진호,김정화,김동우,황찬호,김대익,이종수,Choi, Jin-Ho,Kim, Jung-Hwa,Kim, Dong-Woo,Hwang, Chan-Ho,Kim, Dae-Ik,Lee, Jong-Soo 한국생명과학회 1998 생명과학회지 Vol.8 No.2

        To investigate the effect of pine needle extract (PNE) on membrane fluidirt and neurotransmiter-related enzymes in brain of Spragu-Dawley(SD), male SD rats were fed basic diets (control group), and experimantal diets (PNE group)with 0.5% and 0.1% fo PNE for 6 weeks. pine (pinus tabulaeformis C$_{ARR}$ is one of the popular plant drugs which has used as a medicine in Asia. Cholesterol levels in brain mitochondria of 0.5%-PNE and 0.1%-PNDE groups were significantly decreased in 15% and 25%, respectively, compared with control group, but cholesterol levels in brain microsomes of these PNE groups howed almost no change compared with control group. Lipofuscin accumulations in brain membranes of 0.5%-PNE and 0.1%-PNE groups were sgnificantly inhibited in 18% and 21%, respectively, compared with control group. Brain memberance fluidity was also activated in 50% and 100% by the administration of 0.5%-PNE and 0.1%-PNE. higher acetylcholinesterase(15% and25%) and lower monoamine oxidase B (25% and 15%0 activities were effectively modulated by the administration of 0.5%-PNE and 0.1%-PNDE. These results suggest that more beneficial effects such as inhibition of cholesterol and lipofuscin, increase of membrane fluidity, higher acetylcholinesterase and lower monoamone oxidase activities in brain membranes of SD rats may be effectively modulated by administration of pine needle extract (PNE).

      • KCI등재

        흰쥐(SD rats)의 생리활성에 미치는 송엽(松葉) 추출물(PNE)의 영향 I. 혈청중의 지질 및 산소라디칼 대사에 미치는 PNE의 투여효과

        최진호,김동우,김정화,김경석,이종수,Choi, Jin-Ho,Kim, Dong-Woo,Kim, Jung-Hwa,Kim, Kyung-Suk,Lee, Jong-Soo 한국생명과학회 1997 생명과학회지 Vol.7 No.4

        This study was edsigne to investgate the effect of pine needle extract (PNE) on lipid adn oxygen radical metabolisms in serum of Sprague-Dawly (SD). Pine(Pinus densiflora Sieb et Zucc.) is one of the popular plant drugs which gas been used as a medicine in Asia. Male SD rats were fed basic (control group) and experimental diets(RGE group) with 0.5 and 1.0% of PNE for 6 weeks. Body weights gain in 0.5-PNE and 1.0-PNE groups were slightly lower than that in control group, but ther is no significant differences brtween these groups. Total energy intake, feed and gross efficiencies showed almost no change in these groups. Total cholesterol and triglyceride (TG) levels in serumof SD rats in .50-PNE and 0.1-PNE froups sho9wed almost no change colpared with control group. Serum LDL-cholesterol levels significantly decreased (12%) in 0.5-PNE group, while serum HDL-cholesterol levels significantly increased(14%) in 1.0-PNE group compared with control group. Malondialdehyde (MDA) and lipid peroxide (LPO) levels in 50-PNE and 0.1-PNE groups were significantly lower (17 and 13%, 24% and 12%, respectively) than those in control group. Superoxide disumutase (SOD) activity in 50-PNE and 0.1-PNE groups significantly increased about 30 to 15% compared with control group. There results suggest that lower LDL-cholesterol and LPO levels, higher HDL-cholsterol level, and higher SOD activity in serum of rats may be effectively modulated by administration of pine needle extract(PNE).

      • 한냉이 흰쥐 대퇴사두근의 허혈 - 재관류 후 SOD 발현에 미치는 영향

        최진호,남기원,김진상,Choi, Jin-Ho,Nam, Ki-Won,Kim, Jin-Sang 대한물리치료학회 2001 대한물리치료학회지 Vol.13 No.1

        The purpose of this study was to investigate the effect of cold application on ischemia-reperfusion injury to quadriceps fomoris muscle of the hindlimbs of the rats. Nine weeks old male Sprague-Dawley white rats were divided into three groups : 1) control(only ischemia-reperfusion), 2) cold application before reperfusion(PreCold), 3) cold application after reperfusion(PostCold). All groups were 30 minute, 1 hour, 3 hours reperfusion after 2 hours ischemia with clamping abdominal artery, and investigate superoxide dismutase(SOD) immunohistochemical reaction for quadriceps femoris muscle of right hindlimb. SOD immunohistochemical reaction of experimental groups were more than the control group. Especially, SOD immunohistochemical reaction of PreCold were less than the PostCold.

      • KCI등재

        Study on Biochemical Pollutant Markers for Diagnosis of Marine Pollution I. Changes in Lipid Components of Flounder (Paralichthys olivaceus) in the Yellow Sea

        최진호,김동우,문영실,박청길,김재일,양동범,Choi, Jin-Ho,Kim, Dong-Woo,Moon, Young-Sil,Park, Chung-Kil,Kim, Jae-II,Yang, Dong-Beom 한국생명과학회 1997 생명과학회지 Vol.7 No.1

        해양오염의 진단을 위한 생화학적 오염지표 설정의 기초 연구의일환으로,오염이 심각한 서해(또는 황해)산 넙치(Paralichthys olivaceus)의 혈액의 지질성분을 분석 평가하였다. 서해안의 양식 및 자연산 넙치의 혈액중의 해모글로빈의 함량은 동해안 포항의 자연산 넙치 대비 각각 5-15% 및 20-25%의 감소현상이 나타나서 서해안의 내해(內海) 및 외해(外海)의 오염이 심각함을 알 수 있었다. 서해안의 양식산 넙치의 혈청중의 충성지질(TG)의 함량도 포항의 자연산 넙치의 혈청중의 TG의 함량 대비 10-40%나 유의적으로 높았다. 서해안의 양식 및 자연산 넙치의 혈청중의 총콜레스테롤의 함량은 포항의 자연산 넙치의 혈청중의 총콜레스테롤의 함량 대비 양식산 넙치는 각각 10-15% 및 30-35%나 높았고, 서해안의 양식 및 자연산 넙치의 혈청중의 LDL-콜레스테올의 함량도 각각 10-20% 및 20-25%나 높았다. 또한 포항의 자연산 넙치, 그리고 영광 및 격포의 서해안의 자연산 넙치의 혈액중의 HDL-콜레스테롤의 함량이 서해안의 양식산 넙치에 비해 유의적으로 높았다. 자연산 넙치의 HDL-콜레스테올의 증가는 운동이나 어류 단백질(fish protein) 및 섬유질(fiber)의 섭취에 의해서 주로 증가되는 것으로 알려져 있기 때문에 자연산 넙치가 운동량이 상대적으로 많을 뿐만 아니라 해촤 먹이사슬에 의한 적은 생선을 먹이로 사용하고 있기 때문으로 판단된다. 또한 서해안의 양식 및 자연산 넙치의 동맥경화지수도 포향의 자연산 넙치의 동맥경화지수 대비 각각 20-45% 및 10-15%나 높아서 서해안의 양식산 넙치는 말할 필요도 없고 자연산 넙치도 거의 병적상태로 오염의 정도가 매우 심각한 것으로 판단된다. 질병이나 노화와 함께 증가되는 것으로 알려진 인지질에 대한 총콜레스테롤의 함량비(T-Cho/PL ratio)는 서해안의 양식 및 자연산 넙치의 T-Cho/PL 비가 포항의 자연산 넙치 대비 각각 6-35% 및 15-35%나 높아서 서해안 넙치의 서식환경에 상당한 문제가 있을 것으로 판단된다. 서해안의 넙치를 비롯한 양식장의 수질환경은 유강오수의 유입, 농약 등의 오염원에 노출되어 있어서 양식장으로서의 환경이 점차 훼손되고 있다고 볼 수 있다. 정부에서는 정화되지 않은 육상오수의 유입 방지, 수질의 여과방법의 개발 등을 포함한 양식장의 서식 환경 새선에 적극 나서야 할 단게가왔다고 판단된다. For the recent years, considerable efforts have been made to rationalize the techniques of research and monitoring of biological effects of marine pollutants such as heavy metals, polychlorinate biphenyls (PCBs), organochlorine pesticides, polycyclic aromatic hydrocarbons (PAHs), organophosphorus pesticides. This study was designed as a part of efforts to investigate the biochemical pollutant markers for diagnosis of marine pollutions by the changes in lipid components of the flounder (Paralichthys olivaceus) in Yellow Sea of Korea. Homoglobin levels in serum of cultured and wild flounders in Yellow Sea were significantly lower (5 - 15% and 20 -25 % , respectively) than those of wild flounder in Pohang. Triglyceride (TG) contents in serum of cultured flounders in Yellow Sea were 10 - 40% higher than those of wild flounder in Pohang. Total and low density lipoprotein (LDL)-cholesterol contents in serum of flounders in Yellow Sea were significantly 10-15% and 30-35% (cultured), and 10-20% (wild), respectively, higher than those of wild flounder in Pohang. Atherogenic index (AI) and T-Chol/PL rations in serum of cultured and wild flounders in Yellow sea were significantly 20-45% and 10-!5%, 6-35% and 15-35%, respectively, higher than those of wild flounder in pohang. These results suggest that near-coastal waters as well as neritic waters of the Yellow Sea might be affected by pollutant input.

      • SCOPUSKCI등재

        윤활특성을 고려한 사절경로 발생기구의 기계적 오차해석 및 공차설계

        최진호,이세정,최동훈,Choi, Jin-Ho,Lee, S.J,Choi, Dong-Hoon 대한기계학회 1997 大韓機械學會論文集A Vol.21 No.2

        This paper addresses an analytical approach to the mechanical error analysis and tolerance design of a four-bar path generator with lubricated joints. The mobility method is applied to consider lubrication effects and the four-bar path generator is stochastically modeled by using the clearance vector model for methanical error analysis. To show the validity of the proposed method, the mechanical errors obtained by applying the method to a four-bar path generator are compared with those by Monte Carlo simulation. Based on this analytical method, an optimal tolerance design problem is formulated and solved for the four-bar path generator.

      • KCI등재

        기억. 학습장애 동물모델 SAMP8에 미치는 알로에(Aloe vera)의 영향 II. SAMP8의 지질대사에 미치는 알로에의 투여효과

        최진호,김동우,유제권,한상섭,심창섭,Choi, Jin-Ho,Kim, Dong-Woo,Yoo, Je-Kwon,Han, Sang-Sub,Shim, Chang-Sub 한국생명과학회 1996 생명과학회지 Vol.6 No.3

        Aloe(Aloe vera LINNE) has been used as a home medicine for the past several thousand in the world, and has been studied on various chronic degenerative diseases such as atherosclerosis, myocardiac infarction and hypertension. SMAP8, learning and memory impairment animal mode, were fed basic or experimental diets with 1.0% of freeze dried(FD)-Aloe powder for 8 months. This study was designed to investigate the effects of Aloe on body weight gain, grading score of senescence(GSS), triglyceride, total and LDL-cholesterol levels, and atherogenic index in serum of SAMP8, and also designed to investigate the effects of Aloe on cholesterol accumultions in mitochondria and microsome fractions of SAMP8 brain. Body weight gain was consistently lower in aloe group than in control group, but no significantly differences between them. Grading score of senescence resulted ina marked decreases pf 20% in 1.0% Aloe group compared with control group. Administrations of 1.0% aloe resulted ina marked decreases in 15% and 20% of triglyceride and cholesterol levels, respectively, and also significantly decreased in 15% of LDL-cholesterol levels and atherogenic index in serum of SAMP8 compared with control group. Cholesterol accumulations were significantly inhibited in 20% and 10% of mitochondria and microsome fractions of SAMP8 brain, respectively, by administration of 1.0% Aloe. These results suggest that administration of Aloe mau not only effectively inhibit chronic degenerative diseases in serum of SAMP8, but may also improve learning and memory impairments of SAMP8 brain.

      • KCI등재

        Study on Biochemical Pollutant Markers for Diagnosis of Marine Pollution III. Changes in Cholinesterase Activity of Flounder(Paralichthys olivaceus)in the Yellow Sea

        최진호,김동우,문영실,박청길,양동범,Choi, Jin-Ho,Kim, Dong-Woo,Moon, Young-Sil,Park, Chung-Kil,Yang, Dong-Beom Korean Society of Life Science 1997 생명과학회지 Vol.7 No.1

        해양오염의 진단을 위한 생화학적 오염지표 설정의 기초 연구의 일환으로, 오염이 심각한 서해(또는 황해)산 넙치(Paralchthys olvaceus)의 노 및 근육중의 아세틸콜린에스테라아제(AChE) 및 무털릴콜린에스테라아제(butyrylcho-linesterase:BChE)의 활성, 그리고 전산탈수소효소(lactate dehydrogenase:LDH)의 활성을 분석${\cdot}$평가하였다. 서해안의 양식산의 넙치의 뇌 및 근육증의 AChE의 활성은 동해안의 포항의 자연산 넙치의 노 및 근육의 AChE의 활성 대비 각각 40-50% 미 40-55% 정도나 유의적으로 저하되었을 뿐만 아니라 서해안의 자연산 넙치의 뇌 및 근욱중의 AChE의 활성 대비 각각 15-40% 및 25-35% 정도나 유의적으로 저하되었다. 또 서해안의 양식산 넙치의 뇌 및 근육중의 BChE의 활성은 동해안 포항의 자연산 넙치의 뇌 및 근육중의 BChE의 활성 대비 각각 70-75% 및 65-75% 정도나 유의적으로 저하되었ㅇ르 뿐만아니라 서해안의 자연산 넙치의 뇌 및 근육중의 BChE의 활성 대비 각각 50-75% 및 45-50% 정도나 유의적으로 저하되었다. 한편 서해안의 양식산 넙치의 혈약중의 LDH의 활성은 동해안 포항의 자연산 넙치의 혈액중의 LDH의 활성 대비 10-50%정도나 유의적으로 증가하였을 뿐만 아니라 서해안의 자연산 넙치의 혈액중의 LDH의 활성 대비 20-25% 정도나 유의적으로 증가하였다. 따라서 서해안의 양식산 넙치의 오염 뿐만 아니라 자연산 넙치의 오염 가능성도 있다는 사실을 알 수 있다. This study was designed as a part of efforts to investigate the biochemical pollutant markers for diagnosis of maine pollutions by changes in cholinesterase activity of the flounder (Paralichthys olivaceus)in Yellow Sea of Korea. Acetylcholinesterase (AChE) activities in brain and muscle of cultured flounders in Yellow Sea were remarkably lower (40-50% and 40-55%, respectively)than those of wild flounder in Pohang (control) of East Sea, but AChE activities in brain and muscle of wild flounders in Yellow Sea were significantly lower(15-40% and 25-35%, respectively)than those of wild flounder in Pohang of East Sea. Butyrylcholinesterase(BChE) activities in barin and muscle of cultured flounders in Yellow Sea were remarkably lower(70-75% and 65-75%, respectively) than those of wild flounder in Pohang of East Sea, but BChE activities in barin and muscle of wild flounders in Yellow Sea were significantly lower (15-40%and 25-35%, respectively)than those of wild flounder in Pohang of East Sea. Lactate dehydrogenase (LDH) activities in serum of cultured flounders in Yellow Sea were significantly 10-50% higher than those of wild flounder in Pohang of East Sea, but LDH activities in serum of wild flounders in Yellow Sea were significantly 20-25% higher than those of wild flounder in Pohang of East Sea. It suggests that AChE and BChE activities in brain and muscle of cultured and wild flounders of Yellow Sea may be used as the most effective mean in a biochemical markers for diagnosis of pollutant effects by organophosphorus pesticides.

      • 온열적용이 대퇴사두근의 허혈-재관류 후 SOD 발현에 미치는 영향

        최진호,김진상,Choi Jin-Ho,Kim Jin-Sang 대한물리치료학회 2003 대한물리치료학회지 Vol.15 No.1

        The purpose of this study was to investigate the effect of heat application on ischemia-reperfusion injury to quadriceps femoris muscle of the rats. Nine weeks old male Sprague-Dawley white rats were divided into five groups: 1) control(only reperfusion following ischemia), 2) heat application before reperfusion following ischemia(PreHeat), 3) heat application after reperfusion following ischemia(PostHeat). All groups were 30 minute, 1 hour, 3 hours reperfusion after 2 hours ischemia with clamping abdominal artery, and investigate superoxide dismutase(SOD) immunohistochemical reactions for quadriceps femoris muscle of the rat. SOD immunohistochemical reaction of experimental groups were more than the control group.

      • 사지 실행증의 평가 및 신경생리학적 고찰

        최진호,박지원,권용현,Choi, Jin-Ho,Park, Ji-Won,Kwon, Yong-Hyun 대한물리치료학회 2006 대한물리치료학회지 Vol.18 No.2

        The purpose of this study was to review the limb apraxia. It includes the evaluation and neurophysiological aspects for limb apraxia. Limb apraxia comprised a wide spectrum of higher-order motor disorders that results from acquired brain disease affecting the performance of skilled and/or learned movements with the forelimbs and is a common sequela of left brain damage that consists of a deficit in performing gestures to verbal command or to imitation. There are two forms in limb apraxia; ideational apraxia and ideomotor apraxia. A assessment of limb apraxia typically includes pantomiming and imitation of transitive, intransitive, and meaningless gestures. Limb apraxia has been attributed to damage confined to the cerebral cortex, cortico-cortical connecting pathways, and basal ganglia.

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