경주권역으로의 대기오염물질 이동 및 석조문화재 훼손

정종현,손병현,김현규,이강우,정우식,이형근 대한환경공학회 2004 대한환경공학회 학술발표논문집 Vol.2004 No.12

치과주조용 Ti-20%Zr-X%Cr(0≤X≥) 합금의 양극분극특성

정종현 광주보건대학 2004 論文集 Vol.29 No.-

Ti-20%Zr-X%Cr(0≤X≥10) alloys not containing harmful Al and V were newly designed in order to reveal their possibility for dental casting and melted in an arc melting and casting furnace under Ar atmosphere. The corrosion resistance was studied by anodic polarization test. From the observation of anodic polarization behavior, it was found that the corrosion resistance was markedly increased by the addition of Cr. The corrosion resistance of Ti-20%Zr-5%Cr alloy was superior to that in Ti-6%Al-4%V alloy but almost similar to that in cp Ti using in market place today.

'동아시아' 담론의 문제와 가능성 : 30년대 '동양' 담론과의 비교를 중심으로 on the comparison of 'toyo(東洋)' Discourse in 1930s

정종현 동국대학교 대학원 2002 大學院硏究論集-東國大學校 大學院 Vol.32 No.-

The Eastern Asia Discourse has appeared since 1990, is the attempt for groping the new cultural and civilized model in the progress of particular characteristic in this region for a period of reorganization in the world's history order. That discourse has various layers from Confucian capitalism that explains the economic developments of this region for the traditional Confucian culture in the global capitalistic system to context of postcolonialism that refuses Western universalism and the discourse that try to find the new alternative groping of progressive movement after dissolution of the Soviet Union through Eastern Asian tradition after modern capitalism. That discourse of various layers have a common point that Western modernism of Western equal to Universality and Orient equal to Particularity is the scheme of cognition that refuses the representative system that Western modernism has forced and non-Western has been immanent. In fact, that refusal for the representative system is not new. That is in collusion with Japanese Orientalism in 1930. Oreintal history in Japan that have denied Western universal system, Japanese Chogeuk(초극, subjugation) discourse that have negated modernity of Western capitalism, philosophical system of 'nation' subjectivity etc. are all transformed the ideology of Japanese fascism, but the cognitive system of them have possessed the refusal for Western universalism and fundamental desire of overthrown toward the representative system exposed themselves through a new universalism. The great subject of 'the

폐기물소각로와 배연탈황공정에 이용하기 위한 貝殼/석회석 흡수제의 수화반응에 관한 연구

정종현,조상원,정덕영,임주원,오광중 한국보건교육건강증진학회 1998 한국보건교육·건강증진학회 학술대회 발표논문집 Vol.- No.-

양극성 우울증 정신약물치료의 현재와 미래

정종현,우영섭,박원명 대한정신약물학회 2008 대한정신약물학회지 Vol.19 No.3

This article reviews the characteristics and major pharmacological treatment modalities of bipolar depression, which is distinguished from unipolar depression by etiologic differences, symptomatic features, clinical courses, and treatment responses. Bipolar depression is often disabling and very challenging to treat. In acute and prophylactic phases, mood stabilizers such as lithium, divalproex, and lamotrigine are used as first-line treatment, unless the patient is psychotic or markedly dysfunctional. Carbamazepine and oxcarbazepine can be used as a second-line treatment or in a combination regimen. Depressive episodes that do not respond to mood stabilizers, as well as relapsing episodes despite prophylactic therapy, justify treatment with antidepressants. Many clinicians also advocate the early use of antidepressants and antipsychotics when depressive episodes are severe or psychotic. Selective serotonin reuptake inhibitors and bupropion are considered the first choices for use in combination with a mood stabilizer. Bupropion in particular yields stability against manic switches or cycle acceleration. Traditionally, clinicians have used antipsychotics as a combination option when treating patients with bipolar depression who exhibit psychotic features. However, extensive and well controlled recent studies have shown that atypical antipsychotics such as quetiapine, olanzapine, and an olanzapine/fluoxetine combination can yield therapeutic efficacy and good tolerability for treating bipolar depression with or without psychotic features. In particular, a randomized controlled trial (RCT) using quetiapine monotherapy to treat patients with bipolar depression yielded significantly reduced depressive symptomatology. Other atypical antipsychotics such as amisulpride, aripirazole, risperidone, and ziprasidone have yielded antidepressive efficacy, but no RCT trials have been conducted on patients with bipolar depression. Some preliminary studies have shown that newly developed agents such as dopamine agonist, agomelatine, riluzole, mefepristone, and uridine effectively improve mood symptoms among patients with bipolar depression. More extensive clinical trials are needed. (Korean J Psychopharmacol 2008;19(3):125-135) This article reviews the characteristics and major pharmacological treatment modalities of bipolar depression, which is distinguished from unipolar depression by etiologic differences, symptomatic features, clinical courses, and treatment responses. Bipolar depression is often disabling and very challenging to treat. In acute and prophylactic phases, mood stabilizers such as lithium, divalproex, and lamotrigine are used as first-line treatment, unless the patient is psychotic or markedly dysfunctional. Carbamazepine and oxcarbazepine can be used as a second-line treatment or in a combination regimen. Depressive episodes that do not respond to mood stabilizers, as well as relapsing episodes despite prophylactic therapy, justify treatment with antidepressants. Many clinicians also advocate the early use of antidepressants and antipsychotics when depressive episodes are severe or psychotic. Selective serotonin reuptake inhibitors and bupropion are considered the first choices for use in combination with a mood stabilizer. Bupropion in particular yields stability against manic switches or cycle acceleration. Traditionally, clinicians have used antipsychotics as a combination option when treating patients with bipolar depression who exhibit psychotic features. However, extensive and well controlled recent studies have shown that atypical antipsychotics such as quetiapine, olanzapine, and an olanzapine/fluoxetine combination can yield therapeutic efficacy and good tolerability for treating bipolar depression with or without psychotic features. In particular, a randomized controlled trial (RCT) using quetiapine monotherapy to treat patients with bipolar depression yielded significantly reduced depressive symptomatology. Other atypical antipsychotics such as amisulpride, aripirazole, risperidone, and ziprasidone have yielded antidepressive efficacy, but no RCT trials have been conducted on patients with bipolar depression. Some preliminary studies have shown that newly developed agents such as dopamine agonist, agomelatine, riluzole, mefepristone, and uridine effectively improve mood symptoms among patients with bipolar depression. More extensive clinical trials are needed. (Korean J Psychopharmacol 2008;19(3):125-135)

탈력발작 유무에 따른 기면병 환자의 비교 : 임상변인, HLA-DQB1*0602, Hypocretin

정종현,홍승철,신윤경,한진희,이성필 大韓神經精神醫學會 2007 신경정신의학 Vol.46 No.1

Objectives : Narcolepsy is a sleep disorder, characterized by excessive daytime sleepiness, cataplexy, sleep paralysis and hypnagogic hallucination. Among these symptoms, cataplexy is one of the most pathognomonic symptoms in narcolepsy. This study was designed to investigate the clinical features, frequency of DQB 1 *0602 and CSF hypocretin levels in Korean narcolep-tics with cataplexy to compare with those who have not cataplexy. Methods : From August 2003 to July 2005, we selected 72 patients who have narcolepsy confirmed by nocturnal Polysomno-graphy and multiple sleep latency test (MSLT) as well as their history and clinical symptoms at Sleep Disorders Clinic of St. Vincent's Hospital, Catholic University of Korea. Patients were divided into 56 cataplexy-positive group (narcolepsy with cataplexy group) and 12 cataplexy-negative group (narcolepsy without cataplexy group). HLA typing was done in all patients for the presence of DQB 1*0602, and patients received spinal tapping to measure the level of CSF hypocretin. Clinical variables were examined by semi-structured interview for narcolepsy patients. Results : 1) In cataplexy-positive group, compared with cataplexy-negative group, the frequency ofHLA-DQB 1*0602 was found to be significantly increased (50 subjects, 89.3% vs. 8 subjects, 50.0%) (p=0.000). 2) tn 48 out of 56 cataplexy-positive patients (85.7%), hypocretin levels were decreased (≤110 pg/mI) or were below the detection limit of assay (≤40 pg/ml).However, only 6 out of 16 cataplexy-negative patients (37.5%) exhibited decreased hyopcretin level. The difference between two groups were statistically significant (p=0.000). 3) Cataplexy-positive group, compared to cataplexy-negative group, re-ported more frequent hypnagogic hallucinations (36 subjects, 64.3% vs. 4 subjects, 25.0%) (p=0.005). However, there were no significant differences in frequency or seventy of daytime sleepiness, sleep paralysis and demographic data. 4. In nocturnal polysomnography and MSLT findings, there were no significant differences in all sleep parameters between two groups. Conclusion : Higher frequency of HLA-DQB 1*0602, and lower hypocretin levels in cataplexy-positive groups than Cata-pelxy-negatives suggest that narcoleptics with cataplexy might be a etiologically different disease entity from narcoleptics without cataplexy. Additionally, Current criteria prevail for the diagnosis of narcolepsy need to be reclassified according to the presence of cataplexy or not.

고품질 시설 참외 재배

정종현 慶北大學校 農業開發大學院 2000 最高農業經營者課程 論文集 Vol.6 No.-

경주 남산 천룡사지삼층석탑(天龍寺址三層石塔)과 지진

정종현,정민호,피영규,한승헌,정경선,조준형,손병현 한국대기환경학회 2017 한국대기환경학회 학술대회논문집 Vol.2017 No.11

Preparation and Liquid Crystallinity of Alkanoated and Alkylated Chitosans

정종현,마영대 한국고분자학회 1998 한국고분자학회 학술대회 연구논문 초록집 Vol.1998 No.10

Synthesis of tri-O-alkyl chitins and their thermal properties

정종현,정훈,마영대 한국고분자학회 1997 한국고분자학회 학술대회 연구논문 초록집 Vol.1997 No.10