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Co(II) 이온과 N₂O₃계 거대고리 리간드와의 착물 형성에 관한 연구
최규성,김정,이익희 慶南大學校 附設 基礎科學硏究所 1992 硏究論文集 Vol.4 No.-
The stability constants of the complexes of Co(II) ion with N₂O₃-donor macrocyclic ligands such as 1, 15-diaza-3, 4:12, 13-dibenzo-5, 8, 11-trioxacycloheptadecane(NenOdienH₄):1, 15-diaza-3, 4 : 12, 13-dibenzo-5, 8, 11-trioxacyclooctadecane(NtnOdienH₄) have been determined by uv-vis spectrophotometric method in DMSO solution. In order to obtain the enthalpy and entropy changes of complexation reaction of Co(II) ion with these ligands, the stability constants have been measured at 20-60℃. From the results, the followings have been obtained, 1) In DMSO solution, Co(II) ion forms a 1:1 complex with these ligands. 2) The order of stability constants is NenOdienH₄< NtnOdienH₄. 3) The complexation reaction are exothermic and show the positive entropy changes.
Lateral arm free flap을 이용한 수부 및 족부손상의 재건술
윤성호,황종의 대한성형외과학회 1992 Archives of Plastic Surgery Vol.19 No.3
Nowadays soft tissue coverage and restoration of functional deficit with free flap is popular. Free flap transfer is highly versatile procedure and it has high donor site variety. Medial arm free flap is composed of thin, hairless, pliable and good color matched skin. Major disadvantages, however, are the small size of the artery and the inconstancy of the anatomy. lateral arm free flap, as described by Song(1882), Katsaros(1984), is supplied by the posterior radial collateral artery, a terminal branch of profunda brachii artery. The artery is constantly 1.5 to 2.0mm in diameter, providing a vacular pediclle of 7 to 8cm. the flap is centered over the lateral intermuscular septum on a line that joins the deltoid insertion and the lateral epicondyle. The artery is accompanied by two venae comitantes in all cases. The venase comitantes reaches 2.5mm in dameter maximally and accompanied with posterior cutaneous nerve of the arm. Other advantage of the flap is the fact that simultaneous two team dissection of donor and recipient site is available. We have performed 11cases of lateral arm free flap in hand and foot injuries ; three for soft tissue coverage along with tendon and bone, five for cortrture release, one for coverage of exposed proximeal phalanx of great tae, one for coverage of exposed plate at ankle, one for coverage of exposed tendon at dorsum of the foot and the result was relatively good in both flap and donor site.
정신장애인의 직업적응훈련성취수준이 직업유지기간에 미치는 영향에 관한 연구 : 서비스 유형의 조절효과
이익섭,이병화,김성연 한국장애인고용촉진공단 고용개발원 2009 장애와 고용 Vol.19 No.2
본 연구의 목적은 정신장애인에게 실시되고 있는 직업적응훈련서비스와 서비스 유형이 직업유지기간에 미치는 영향을 파악하여, 이용자의 주도성이 강조되는 새로운 서비스패러다임에서 우리나라 지역정신보건서비스가 지향해야 할 기준과 효과적인 직업재활서비스 방안을 모색하고자 한다. 조사대상은 만 20세 이상 60세 미만의 성인 정신장애인 142명으로, 사회복귀시설에서 훈련을 받은 후, 최근 2년 간 취업경험이 있거나, 현재 취업하고 있는 정신장애인이다. 연구 결과는 다음과 같다. 첫째, 개인훈련성취도가 직업유지기간에 미치는 영향을 다중회귀분석으로 검증한 결과, 개인훈련성취도의 하위차원 중 사회기술과 협동심의 영역이 직업유지기간에 정적인 영향을 미치는 것으로 나타났다. 둘째, 서비스 유형이 직업유지기간에 영향을 미치는가를 분석한 결과, 비클럽하우스모델보다 클럽하우스모델이 직업유지기간에 더 정적인 영향을 미치는 것으로 나타났다. 끝으로, 개인훈련성취도의 직업유지기간에 미치는 영향에 대한 서비스 유형의 조절효과를 다중회귀분석으로 검증한 결과, 개인훈련성취도의 하위차원 중 작업습관 영역에서 조절효과가 나타났다. The purpose of this research is to examine the effect of the work adjustment training and the type of service for job retention among people with mental illness, and to suggest effective and customer-driven service model for job maintenance. The sample size was 142 people with mental illness who had employment experience for the last 2 years or are working presently after completion of the vocational training from the community mental rehabilitation centers. The data was collected by self-administered survey method from 21st Nov, 2005 to 10th Dec, 2005. The major findings from moderated multiple regressions are as follows: First, the levels of personal presentation and cooperativeness subscale in the accomplishment level have positive effects on duration of job retention. It means that cultivating better social skills is much more important than individual's ability for the people with mental illness to retain the job. Second, the clubhouse model has more positive effects than non-clubhouse model on the duration of job maintenance when comparing the type of service. Lastly, the clubhouse model has a moderating effect on the duration of job retention in the relationship with the level of work habits subscale in the accomplishment level. This suggest that customer driven and voluntary based vocational services are more effective for the people with mental illness.
윤성호,황종익 大韓成形外科學會 1991 Archives of Plastic Surgery Vol.18 No.1
In cases of severe crushing finger injury, skin defect with vascular loss was result in bone, tendon and joint exposures. In patients with certain cases, conventional treatments were vein graft, local flap and disrant flap. Exoposed vein grafred blood vesels were not suitable for graft because of high risk of thrombosis, tissue necrosis and skin graft will not survive on deep structure and local flap may be technically impossible at extensive finger damage. Furthermore distant flap was inappropriate due to postoperative immobilization bulkiness of grafted skin and many times of operations. Therefore in the cases of exposed deep structure, it has been studied about skin flap including subcutaneous vein for a long time. In 1984, Honda et al dad attempte das clinical application and in 1985, Nichtter and Harris et al reported three types of venous flap: 1) total venous perfusion flap 2) arterialized venous perfusion flap 3) total arterial venous perfusion flap. These venous free flaps(skin flaps with subcutaneous veins, flow through venous flap have advantage that can be done without bone shortening as one procedure. And authors did 13 cases of venous flaps, especially 3) and complete survival were 11 cases, partial necrosis were 2 cases.
황종선,남호윤,문성익,이광형,조충호 한국경영과학회 1996 한국경영과학회 학술대회논문집 Vol.- No.1
본 연구에서는 액체금속로의 핵심구조인 소디움루프를 위한 운전지원 전문가시스템을 개발한다. 소대움루프는 현재 원자력연구소에서 연구 개발 단계에 있으며, 안전 운전을 위한 운전 지식을 연구하고 있는 중이다. 본 논문에서는 이러한 연구 상황에 맞추어 개발되는 전문가시스템에게 요구되는 특징을 정리하고, 소디움루프 운전의 효과적 지원과 운전원의 편의에 중점을 둔 전문가시스템의 개발을 설명한다.
경구면역을 통한 항원 특이적 IgA 항체 합성에 있어 Cholera Toxin과 Alginate-Microsphere의 효과
송민형,유진수,권명상,성승룡,김용희,권익찬,정서영,양재명,김평현 大韓免疫學會 1996 大韓免疫學會誌 Vol.18 No.3
Secretory (S-IgA) isotype antibody (Ab) is known to play an essential role in the primary defense against various infectious agents in mucosal tissue. However, it has been mostly unsuccessful in the induction of antigen (Ag)-specific IgA Ab response in this site by peroral vaccination. In the present study, we investigated the effect of cholera toxin (CI) as a mucosal adjuvant and alginates-microspheres as a carrier on BSA-specific IgA Ab response in gut-associated lymphoid tissue`(GALT). Peroral immunization of BSA plus CT conferred a great BSA-specific IgA response but IgG response on intestinal fluid (IF). In contrast, intraperitoneal immunization of BSA with Freund's adjuvant readily induced BSA-specific IgG response but IgA response in IF. Further, number of CT specific IgA-secreting cells was substantially increased in mesenteric lymph node when CT-encapsulated-VI alginates-microspheres was administered perorally. Taken together, these results indicate that peroral immunization of soluble antigen in combination of CT or microspheres significantly enhances antigen-specific IgA response in GALT.