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      • 알코올상담센터 사례관리 실태에 관한 연구

        최은정,양정남 동신대학교 2005 論文集 Vol.15 No.-

        The purpose of this study is to investigate the problems and implications of case management at alcohol counseling centers in Korea. In order to achieve these objectives a literature review and survey were undertaken. A total of 25 alcohol counselling centers were involved in the study and 79 professionals who were working in the alcoholic counselling centerer responded to a questioner. The result of the study shows that most professionals reported that case management is a very important and effective approach compared with other methods of treatment. They also reported that there is a need for further training and education on case management. Furthermore, even thought most of the respondents have less than two years experience in this field they have twice the number of case work as they had envisaged. These results reflect the following policy implications: First, a case manager in an alcoholic counselling centre require education and training which should be the responsibility of the ministry of health. Professionals should have a masters degree and at least a basic training in mental health. Training and clinical experiences on case management are also an necessity. Second, development of a clinical procedure together with a systematic diagnostic criteria for case management need to be in place. Third, Networking and cooperating with other mental health centers in the local area are important aspects to be considered.

      • Paraquat 유도 간독성에 대한 Hydroxycinnamic acid계 화합물의 독성 경감 효과 (Ⅱ)

        최병기,오은정 한국환경독성학회 1999 환경독성보건학회지 Vol.14 No.3

        Antioxidative and scavenging effects were investigated by using two hyaroxycinnamic acids (caffeetannins), such as caffeic acid and chlorogenic acid, on oxidative stress and hepatotoxicity that induced by paraquat. The results are summerized as follows: 1. To assess radical scavenging ability, reduction concentration (IC_(50)) of 1.1 diphenyl-2-dipicrylhydrazine (DPPH) were measured. IC_(50) values of caffeic acid and chlorogenic acid were 29.7±0.6μM and 26.0± 0.5μM respectively. Their radical scavenging activities showed concentration-dependent manner. 2. In H₂0₂-induced hemolysis assay to rat blood, caffeic acid and chlorogenic acid led to different effects, whose hemolysis inhibition ratios at 100 μM were 45.2±7.1 % and 11.6±3.1 % respectively. 3. In hypoxanthine-xanthine oxidase system producing superoxide anion, caffeic acid and chlorogenic acid showed different inhibitory activities of xanthine oxidase showing 36.8±4.3% and 5.4±2.3% respectively. 4. To microsomal NADPH dependent cytochrome p-450 reductase in rat liver, paraquat consumed NADPH at a dose-dependent manner from 0 to 1 μM paraquat concentration. Caffeic acid and chlorogenic acid blocked NADPH consumption rates at concentration-dependent manner and inhibition ratios at 100 μM were 67.6%% and 59.2% respectively. 5. Administration (30mg/kg, iv) of paraquat to rats caused the marked elevation of glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transaminase (GPT), lactate dehydrogenase (LDH), alkaline phosphatase (ALP) and lipid peroxides (LPO) in the serum and lipid peroxides in the microsome as compared to the control group. Serum GOT, GPT, LDH, ALP and LPO and liver microsomal LPO were reduced significantly by caffeic acid (50mg/kg), chlorogenic acid (25mg/kg) and silymarin (150mg/kg) as compared to the paraquat group. From these results, caffeic acid and chlorogenic acid exerted their antioxidative agents by removing reactive oxygen substance (ROS) and scavenging effects by inhibiting ROS generating enzyme. As a general, two hydroxyeinnamic acids showed the useful compounds for scavenger and reducer on the paraquat induced hepatotoxicity.

      • Paraquat 유도 폐독성에 대한 Hydroxycinnamic Acid계 화합물의 독성 경감 효과 (Ⅲ)

        최병기,오은정,정세영 한국환경독성학회 1999 환경독성보건학회지 Vol.14 No.3

        The scavenging effects of two hyaroxycinnamic acids such as caffeic acid and chlorogenic acid on paraquat induced pulmonary toxicity were investigated. The results are summerized as follows: 1. In the 5-lipoxygenase assay, caffeic acid and chlorogenic acid inhibited the enzyme activities whose inhibition concentration (IC_(50)) were 4.1 and 9.6 μM respectively. 2. To evaluate the antiinflammatory effects on mediator related to the mechanism of inflammation, ADP-induced platelet aggregation assay and histamine degranulation assay were used. Caffeic acid and chlorogenic acid inhibited on ADP-induced platelet aggregation and histamine release at a concentration dependent manners. 3. Arachidonic acid--induced ear edema were inhibited by administration of caffeic acid and chlorogenic acid. 4. Cytologicad analysis of branchoalveolar lavage fluid (BALF) which was the useful tool for detection of an inflammatory response in the lungs of animals intoxicated with chemicals were used. Alveolar macrophages and neutrophils in BALF, as well as the protein content and the LDH activity in BALF supernatant increased by intoxication of paraquat, but decreased by administration of caffeic acid and chlorogenic acid. Therefore, two hydroxyeinnamic acids tested were the useful candidates for scavenger and antiinflammatory agents on paraquat induced pulmonary toxicity.

      • 이종장기이식에 의한 면역거부반응에서 IL-18의 역할

        명평근,최연실,심정현,김은미 충남대학교 형질전환복제돼지연구센터 2004 논문집 Vol. No.8

        Although transplantation immunology as a distinctive field began with the development of experimental models that showed the feasibility of bone marrow tranaplantation (BMT), organ engraftment was accomplished first in humans, and was though for many years to occur by drastically different mechanism. The liver, skin, and gastrointestinal tract are major target organs of acute graft-versus-host disease (GVHD), the major complication of allogenic BMT. The pathophysiology of acute GVHD involves in the dysregulation of pro-inflammatory cytokine cascade and donor T-cell responses to host alloantigens. Interukine-l8 (IL-18) was initially known as interferon-g-inducing factor with potent immunomodulatory effects. The level of IL-18 is increased in acute GVHD, but little has been known about its role in thepathophysiology of acute GVHD. It reduces the severity of acute GVHD as a Thl-inducing cytokine early after BMT to the lethally irradiated recipients. When administered to the donor, it can also reducing the severity of acute GVHD, as a Th2-inducing cytokine. Therefore, IL-18 has the remarkable capacity to modulate acute GVHD when administered either to the donor or the recipient through distinct mechanism. Here, we present our view of the concepts of transplantation immunology and the role of IL-18 in the graft rejection.

      • 이종장기이식에 의한 면역거부반응에서 IL-18의 역할

        명평근,최연실,심정현,김은미 충남대학교 생물공학연구소 2003 생물공학연구지 Vol.9 No.2

        Although transplantation immunology as a distinctive field began with the development of experimental models that showed the feasibility of bone marrow transplantation (BMT), organ engraftment was accomplished first in humans, and was though for many years to occur by drastically different mechanism. The liver, skin, and gastrointestinal tract are major target organs of acute graft-versus-host disease (GVHD), the major complication of allogenic BMT. The pathophysiology of acute GVHD involves in the dysregulation of pro-inflammatory cytokine cascade and donor T-cell responses to host alloantigens. Interukine-18 (IL-18) was initially known as interferon-g-inducing factor with potent immunomodulatory effects. The level of IL-18 is increased in acute GVHD, but little has been known about its role in thepathophysiology of acute GVHD. It reduces the severity of acute GVHD as a Thl-inducing cytokine early after BMT to the lethally irradiated recipients. When administered to the donor, it can also reducing the severity of acute GVHD, as a Th2-inducing cytokine. Therefore, IL-18 has the remarkable capacity to modulate acute CVHD when administered either to the donor or the recipient through distinct mechanism. Here, we present our view of the concepts of transplantation immunology and the role of IL-18 in the graft rejection.

      • KCI등재

        폐부종과 심정지가 발생한 페노바비탈 중독환자

        오동렬,이운정,박규남,김세경,김영민,이환,유은영,최경호,정시경 大韓應急醫學會 1999 대한응급의학회지 Vol.10 No.2

        Phenobarbital is a long-acting barbiturate causing generalized depression of neuronal activity in the brain. Its effect is primarily achieved through enhanced GABA-mediated synaptic inhibition. Its use as an antiepileptic agent was first described in 1912. Before the introduction of phenytoin, phenobarbital is used as sedative-hypnotics. It is used for the treatment of epilepsy and status epilepticus. All barbiturates, including phenobarbital, have a high potential for abuse. They were frequently used for suicide attempts in the past, but they have in large part been replaced by benzodiazepines. The onset of symptoms depends on the drug and the route of administration. Mild to moderate barbiturate intoxication resembles ethanol inebriation with slurred speech, ataxia, and lethargy. Severe acute barbiturate intoxication is life threatening. Early deaths are generally cardiovascular-related. Hypotension, shock, pulmonary edema, and cardiac arrest that occurs with large doses are caused by depression of central sympathetic tone and as well as by direct depression of cardiac contractility. The potentially fatal oral dose of phenobarbital is 6-10g. We describe an 23-year-old woman with pulmonary edema, and cardiac arrest ingestion of 18grams of phenobarbital. She was completely recovered by successful cardiopulmonary resuscitation and homoperfusion. We report a case with literature review.

      • 위암세포에 의한 종양침윤 림프구의 면역반응 억제기전에 관한 연구

        박정규,송규상,서광선,최정목,배진선,장일성,윤완희,노승무,조은경,백태현 大韓免疫學會 1995 大韓免疫學會誌 Vol.17 No.3

        Tumor-infiltrating lymphocytes ('1°ILs) interact most closely with tumor cells and thus are more likely to reflect tumor host interactions accurately. But it is unknown whether such T cells are nonspecific inflammatory cells or a subset of specific host immune responses. In this study, there was no clear correlation between the infiltration of T lymphocytes in stomach cancer and the overexpression of c-ErbB-2 or increasing class I MHC expression on tumor cells. A positive correlation was seen between the presence of TILs in the tumor and tumors with diploidy by flow cytometric DNA analysis. The proliferative responses of Ills stimulated with IL-2, anti-CD3 mAb, or both were examined. When compared to normal mucosal-associated lymphoid tissue lymphocytes, the proliferative response of TILs to high dose IL-2 was minimal. A similarly poor response to anti-CD3 mAb plus IL-2 was also observed. The freshly isolated TILs exhibit reduced ability to proliferate in response to IL-2, anti-CD3 mAb or both. The microenvironment of the tumor suppresses the proliferative capacity of the TILs. The mechanism of this suppression remains unknown. It could be mediated by suppressor cells, by soluble substances within the tumor, or both. To examine this question, supernatants of stomach cancer cells (SNSNU-1) were tested for the presence of immunosuppressive factors. Human peripheral blood T-cells and tumor-draining lymph node lymphocytes (TDLNL) were incubated for 3 days with SNSNU-1 and then assessed for proliferative responses to PMA, anti-CD28 mAb, or both and for the inducibility to express IFN- r or IL-4 mRNA to PMA. Peripheral blood T-cells pretreated with SNSNU-1 were unable to proliferate in response to PMA, anti-CD28 mAb or both. SNSNU-1 also produces inhibitory activities of TDLNL proliferative response to PMA or anti-CD28 mAb and PMA (49%, 52%, respectively). In contrast, culture supernatants obtained from HEp-2, K562 or Daudi showed normal proliferative responsiveness of peripheral blood T-cells and TDLNL by PMA, anti-CD28 mAb or both.

      • KCI등재

        흰쥐에서 심정지후 Pentoxifylline이 뇌의 허혈-재관류 손상에 미치는 효과

        정시경,김영민,오동렬,최경호,박승현,이운정,박규남,유은영,이원재,김세경 大韓應急醫學會 1999 대한응급의학회지 Vol.10 No.2

        Background: Two major events occurring in the cerebral hemodynamics after successful resuscitation from cardiac arrest are reactive hyperemia and postischemic hypoperfusion. In this study, we examined the effect of Pentoxifylline(PTX) on the rat brain following cardiac arrest. Methods: Fourteen rats were anesthetized and artificially ventilated. Cardiac arrest was produced by chest compression and clamping of tracheal tube for 3 minutes in ketamine anesthetized rats. Circulation was restored by standard cardiopulmonary resuscitation methods. In 7 rats, PTX 10mg/kg was infused at 10min after cardiac arrest(PTX group). In the other 7 rats, same amount of normal saline was infused(control group). Results: In both groups, hemodynamic variables, neurologic deficit(ND) score and histopathologic findings of hippocampal CA1 neurons were observed. Hemodynamic variables and ND score were not significantly different between two groups. Delayed ischemic neurons of hippocampal CA1 were decreased in PTX group(2.2±2.4%) compared with control group(9.1±1.2%). Conclusions: We conclude that PTX prevented development of delayed ischemic neurons in hippocampal CA1 after cardiac arrest. PTX may be useful in emergency situations following cardiac arrest.

      • 식품 기준·규격의 합리적 관리 ·운영에 관한 연구(Ⅰ) : 두부,식용유지, 전분의 분말상 원료에 관하여 Powdered marerials of Tofu, Edible oil, Starch

        김희연,홍진환,박혜경,한상배,박종석,이은주,이정성,송경희,최은희,최영준,소경아,성영제,이주엽 식품의약품안전청 2000 식품의약품안전청 연보 Vol.4 No.-

        본 연구는 분말상 원료(전분, 대두분)의 저장유통시 품질변화를 건전성과 안전성 측면에서 검토하여 식품의 기준 ·규격 설정f.」 합지적으로 반영하고자 하였다. 전분과 패두분의 이물을 검사하고, 2종 대두분(중국산, 미국산)을 ?0일간 IS'c와 30t에 저장하면서 성상, 수분, 산가, 과산화물가, 지방산 조성,아플라톡신 BB의 생성여부를 분석하였다. 중국산 대두분 30'』 저장군에서 50일 이후 곰팡이가 발생한 것 이외에 모든 시료에서 양호한 성상을 나타내었고, 전분과 대두닥 모든 시료에서 이물은 검출되지 않았다. 산가는 중국산과 미국산 시료간에 편차를 보여 증국산 30"C, 50일 저장시료에서 약 10배끙도 증가하였고, 과산화물가는 저장 90일후 15'E 저장군은 약 2.3배, 30'c 저장군은 3배정도 증가하였다. 대두분의 주요 지방산은 linoleic acidf18. 2), oleic acid(18 : 1), palmitic acid(16 : 0)이었으며, 3개월 저장에 따른 지방산 함량의 변화는 미미하였다. 아플라톡신 B₁은 모든 시료에서 검출되지 않았다. The objective of this study was to investigate auality changes of type raw materials(starch, soy flour) during various storage conditions. Starchflour(source of China, U.S.A) were slfred under two temperature(15'C, 30'c) forSensory evaluation, (o.reign material test, moisture content, acid value, peroxide ualue,composition, aflatorin Bi were analyzed. China soy flour(stor·ed 30'f) was contaminated by fungj on 50 days. Except for soy flour contardnated by fungi, sensory characteristics were not changed and foreign mater;als were notdetected. Acid value of China soy flour(stored at 30'C, 90 days) was about 10 times higherlevel before storage and acid value was more influenced by source(China, USA). Peroxide valuewas in proportion with the storage period slightly. The major fatty acid of soy flour waslinoleic acid(18 . 2), an(3 the change of fatty acid composition was not observed. Aflatoxlrl Blwas not detected.

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