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한국 정신장애의 역학 조사 연구[I] : 각 정신장애의 유병률
조맹제,함봉진,김장규,박강규,정은기,서동우,김선욱,조성진,이준영,홍진표,최용성,박종익,이동우,이기철,배재남,신정호,정인원,박종한,배안,이충경 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.4
Objectives : This study aims to estimate the prevalence of the DSM-IV psychiatric disorders in Korean population using the Korean version of Composite International Diagnostic Interview (K-CIDI). Methods : Subjects were selected by taking multi-stage, cluster samples of 7,867 adult household residents, 18 to 64 years of age, in ten catchment areas. Total 78 trained interviewers administered the K-CIDI to the selected respondents, from June 1 to November30,2001. Results : Total 6,275 respondents completed the interview. Some 33.5% of respondents reported at least one lifetime disorder, 20.6% reported at least one-year disorder, and 16.7% reported at least one-month disorder. The most common lifetime disorders were alcohol abuse/dependence (17.24%), nicotine dependence/withdrawal (11.19%), specific phobia (5.16%), and major de-pressive disorder (4.25%). The lifetime prevalence of substance abuse/dependence (0.25%) and schizophrenia (0.16%) was very low. Nicotine and alcohol use disorder showed very high male/female ratio. Mood disorder and anxiety disorder were more prevalent among female than male. Conclusion : The prevalence of psychiatric disorders was high. In comparison with other studies, remarkable differences in distributions of psychiatric disorders across the areas and times were observed.
Polyphosphate가 연조직 창상 치유에 미치는 영향에 관한 연구
박기범,류동목,이진용,신제원 대한악안면성형재건외과학회 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.3
Polyphosphate has been used as a food additive. It has been approved the use of PolyP to the products as a safe additive. In other study, PolyP seems to has an ability of promoting effect on bone regeneration, possibly by enhancing osteoconductivity of the carrier and/or by increasing osteoinductivity of the damaged bone tissue. So we performed this study in order to evaluate the effect of polyphosphate on the dermal defect healing in critical-sized defect wound. Using welder and blade, a 1㎝ diameter sized burn-defect and rectangular excisional-defect was prepared in the thigh of each Sprague-Dawley rats. Then defect areas were applied topically with distilled water(DW), 0.01% orthoposphate(Pi), or 0.01% polyP75. The application of these materials was continued for seven days. The rats, which had burn wounds, were sacrificed at week 1 and 2. the other goups, which had excisional wounds, were sacrificed at day 3, week 1, 2, and 4. the specimens of the defect were prepared, stained with H&E, and examined under the microscope. Dermal defect healing capacity of polyP75 was also examined by observaing cellular activity of periodontal cells using MTT assay. The results were as follows. PolyP75 at the concentrations of 0.01% increased the MTT activity of periodontal cells by 154.1%. a pathohistologic findings of burn wound with polyP75 showed a faster epidermal healing and more profound maturation in dermis than those of other groups. In excisional wound, compare with other groups, tissue maturity and density of matrix in dermis were much enhanced in the polyP75 groups.
국내육성 오차드그라스 품종들의 캘러스 형성율 및 식물체 재분화 효율
김기용,강경민,배은경,이인애,임용우,최기준,박근제,손대영,조진기 Plant molecular biology and biotechnology research 2003 Plant molecular biology and biotechnology research Vol.2003 No.-
Comparisons of callus formation ratios from seed explants, callus sizes, regeneration ratios from callus and regeneration efficiency for 4 orchardgrass (Dactylis glomerata L.) varieties (Three were developed in Korea and one was imported from foreign nation) are as follows; Jangbeol 102 (67.0%) has the highest callus formation ratio in 4 weeks incubated callus after bedding the seed explants, but Potomac (68.4%) has the highest ratio in 6-seek callus. Potomac (3.93cm) has the highest callus size in 4-week callus, but Jangbeol 101 (4.32cm) has the highest size in 6-week callus. Jangbeol 101 (17.7%) has the highest plant regeneration ratio in 4-week callus, but Potomac (37.4%) has the highest raion in 6-week callus. Jangbeol 102 (11.5%) has the highest plant regeneration efficiency in 4-week callus, but Potomac (25.6%) has the highest efficiency in 6-week callus.
Lee, Dong Jin,Lee, Hongkyung,Ryou, Myung-Hyun,Han, Gi-Beom,Lee, Je-Nam,Song, Jongchan,Choi, Jaecheol,Cho, Kuk Young,Lee, Yong Min,Park, Jung-Ki American Chemical Society 2013 ACS APPLIED MATERIALS & INTERFACES Vol.5 No.22
<P>Mesoporous silicon nanofibers (m-SiNFs) have been fabricated using a simple and scalable method via electrospinning and reduction with magnesium. The prepared m-SiNFs have a unique structure in which clusters of the primary Si nanoparticles interconnect to form a secondary three-dimensional mesoporous structure. Although only a few nanosized primary Si particles lead to faster electronic and Li<SUP>+</SUP> ion diffusion compared to tens of nanosized Si, the secondary nanofiber structure (a few micrometers in length) results in the uniform distribution of the nanoparticles, allowing for the easy fabrication of electrodes. Moreover, these m-SiNFs exhibit impressive electrochemical characteristics when used as the anode materials in lithium ion batteries (LIBs). These include a high reversible capacity of 2846.7 mAh g<SUP>–1</SUP> at a current density of 0.1 A g<SUP>–1</SUP>, a stable capacity retention of 89.4% at a 1 C rate (2 A g<SUP>–1</SUP>) for 100 cycles, and a rate capability of 1214.0 mAh g<SUP>–1</SUP> (at 18 C rate for a discharge time of ∼3 min).</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/aamick/2013/aamick.2013.5.issue-22/am403798a/production/images/medium/am-2013-03798a_0006.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/am403798a'>ACS Electronic Supporting Info</A></P>
Anti-neuroinflammatory Effect of the Ethanolic Extract of Aster koraiensis Nakai
Gi Hwan Lee(이기환),Kwan Woo Kim(김관우),Chang Yeol Yang(양창열),Dae Young Lee(이대영),Da Hye Yoon(윤다혜),Yoon Ji Lee(이윤지),Je Seung Jeon(전제승),Je Hun Choi(최재훈),Geum Soog Kim(김금숙),Young Seob Lee(이영섭) 한국약용작물학회 2023 한국약용작물학회 학술대회논문집 Vol.2023 No.1
Moon, Je-Wook,Kang, Wan-Seok,Han, Hag yong,Kim, Sung Min,Lee, Seung Hee,Jang, Yong gyu,Lee, Chul Heon,Lee, Gi-Dong Optical Society of America 2010 Applied optics Vol.49 No.20
<P>We propose an optical configuration for a transflective mode with a circular polarizer for the vertical alignment liquid crystal cell, which can show the wideband property of high contrast in oblique incidence. The proposed configuration consists of a biaxial film and two uniaxial films for satisfying both the transmissive and the reflective modes. Optimization of the optical configuration of the circular polarizer has been performed on the Poincaré sphere in the entire visible wavelength range using the Stokes vector and the Mueller matrix method. We also verify the excellent optical characteristics of the proposed configuration by comparing the viewing angle and contrast ratio in the oblique direction with a conventional optical configuration in calculation.</P>
Min, Gi June,Kim, Hee-Je,Yoon, Jae-Ho,Kwak, Dae-hun,Park, Sung-Soo,Jeon, Young-Woo,Lee, Sung-Eun,Cho, Byung-Sik,Eom, Ki-Seong,Kim, Yoo-Jin,Lee, Seok,Min, Chang-Ki,Cho, Seok-Goo,Kim, Dong-Wook,Lee, Jon Elsevier 2018 BIOLOGY OF BLOOD AND MARROW TRANSPLANTATION Vol.24 No.8
<P><B>Abstract</B></P> <P>The incidence of Philadelphia chromosome positivity (Ph<SUP>+</SUP>) in adults with acute myeloid leukemia (AML) is very low. Ph<SUP>+</SUP> AML is considered to be high risk for failure to attain remission or for early relapse after standard chemotherapy. Because of the low incidence of the disease, it has been difficult to determine the best treatment, including the effects of tyrosine kinase inhibitors. We retrospectively analyzed 29 patients with Ph<SUP>+</SUP> AML (median age, 45 years; range, 18 to 80) managed at our center between 2002 and 2016. Two patients were not treated at all, 3 received repeated low-dose cytarabine, and 24 were treated with 3 + 7 standard induction chemotherapy. All 27 treated patients also received interim imatinib 400 mg orally until the day of the next chemotherapy cycle began or as conditioning for allogeneic hematopoietic cell transplantation (HCT), which was performed in 17 patients. Of the 29 patients with Ph<SUP>+</SUP> AML, 7 (24.1%) had additional inv(16), 3 of whom had therapy-related AML. In the 7 with inv(16), the median age was younger (31 versus 44 years, <I>P</I> = .083) and the complete remission (CR) rate was relatively higher (85.7% versus 54.5%, <I>P</I> = .214) than in those without inv(16). Among the 27 treated patients, 20 (74.1%) achieved CR after standard chemotherapy with interim imatinib and 2 (7.4%) achieved CR after low-dose cytarabine with interim imatinib. After a median follow-up of 65.5 months (range, 13.4 to 156.6), the 5-year overall survival (OS) among all 27 treated patients was 43.1%. For the 17 patients who underwent HCT the 5-year OS of 17 patients (10 in subgroup without inv(16) and 7 in subgroup with inv(16)) treated with allogeneic HCT was 69.3%. All 7 with inv(16) were still alive at the end of the study. In contrast, all patients not treated with HCT died within a median of 6.25 months (range, .2 to 18.2). Interim imatinib combined with chemotherapy yielded an acceptable remission rate in adult patients with Ph<SUP>+</SUP> AML. Allogeneic HCT as a postremission therapy provided long-term disease control in two-thirds of those who underwent the transplant. We also demonstrated that inv(16) was related to a favorable outcome in Ph<SUP>+</SUP> AML, including therapy-related AML.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Philadelphia chromosome–positive AML patients can benefit from TKI interim therapy along with standard chemotherapy to achieve complete remission. </LI> <LI> Minimal residual disease negativity could be a predictor of better clinical outcome after allogeneic hematopoietic cell transplantation. </LI> <LI> The presence of inv(16) in patients with Ph<SUP>+</SUP> AML is associated with better survival outcome. </LI> </UL> </P>
동력저장장치를 갖는 소형 풍력 발전 시스템에 관한 연구
이기제(Gi-Je Lee),임중열(Jung-Yeol Lim),윤석암(Suk-Am Yoon),차인수(In-Su Cha) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
Conventional systems driven by the wind force induce the generation by rotating the rotator of the generator at high speed after the blade rotating at low speed goes through an accelerator. Also most of them is low at the usage efficiency of wind energy because of the characteristic change of wind. In this paper, for the solution of these problems and for the generation to be achieved regardless of districts and geographical features the rotation energy stored by a spring drives the compact generator, stores the electric power at batteries and supplies the power to load, continuously.<br/> The system driven by the wind force in this paper consists of a generator, an Invertor, batteries and sets for power storage with a spring. In this paper, the operation characteristics of system were analyzed through experiments for a trial product.