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LiF-maleic acid 첨가 calcium aluminate 골시멘트 및 CA-PMMA 복합 골시멘트가 백서 두개골 결손부 치유에 미치는 영향
신정아,윤정호,오승한,백정원,최세영,김종관,최성호,Shin, Jung-A,Yun, Jeong-Ho,Oh, Seung-Han,Baik, Jeong-Won,Choi, Se-Young,Kim, Chong-Kwan,Choi, Seong-Ho 대한치주과학회 2002 Journal of Periodontal & Implant Science Vol.32 No.4
The purpose of this study was to evaluate histologically the effect of LiF-maleic acid added calcium aluminate(LM-CA) bone cement & CA-PMMA composite bone cement on the healing of calvarial defect in Sprague-Dawley rats. The critical size defects were surgically produced in the calvarial bone using the 8mm trephine bur. The rats were divided in three groups : In the control group, nothing was applied into the defect of each rat. LM-CA bone cement was implanted in the experimental group 1 and CA-PMMA composite bone cement was implanted in the experimental group 2. Rats were sacrificed at 2, 8 weeks after surgical procedure. The specimens were examined by histologic analysis, especially about the bone-cement interface and the response of surrounding tissue. The results are as follows; 1. In the control group, inflammatory infiltration was observed at 2 weeks. At 8 weeks, periosteum and duramater were continuously joined together in the defect area. But the center of defect area was filled up with the loose connective tissue. 2. In the experimental group 1, the bonding between implanted bone cement and the existing bone was seen, which more increased in 8 weeks than 2 weeks. Inflammatory infiltration and the dispersion of implanted bone cement particles were seen in both 2 weeks and 8 weeks. 3. In the experimental group 2, implanted bone itself had a dimensional stability and no bonding between implanted bone cement and the existing bone was seen in both 2 weeks and 8 weeks. Implanted bone cement was encapsulated by fibrous connective tissue. In addition, inflammatory infiltration was seen around implanted bone cement. On the basis of these results, when LM-CA bone cement or CA-PMMA composite bone cement was implanted in rat calvarial defect, LM-CA bone cement can be used as a bioactive bone graft material due to ability of bonding to the existing bone and CA-PMMA can be used as a graft material for augmentation of bone-volume due to dimensional stability.
백서 두개골 결손부에서 입자 크기에 따른 Calcium aluminate cement의 효과
신정아,윤정호,오승한,백정원,최세영,김종관,최성호,Shin, Jung-A,Yun, Jeong-Ho,Oh, Seung-Han,Paik, Jeong-Won,Choi, Se-Young,Kim, Chong-Kwan,Choi, Seong-Ho 대한치주과학회 2002 Journal of Periodontal & Implant Science Vol.32 No.4
This present study was carried out to find the effects of calcium aluminate cement($CaO\;{\cdot}\;Al_2O_3$, CAC), which has been developed with bio-compatibility and mechanical properties, in biological environments. Two different particle sizes of CAC - 3.5${\mu}m$ vs. 212${\sim}$250${\mu}m$ which is recommended in periodontal bone grafting procedures-were filled in 8mm calvarial defect in Sprague-Dawley rat. The specimens were examined histologically, especially the bone-cement interface and the response of surrounding tissues. The results are as follows; 1. In the control group, inflammatory cells were observed at 2 weeks. At 8 weeks, periosteum and dura mater were continuously joined together in the defect areas. But in the center of defect area were filled up with the loose connective tissues. 2. In the experimental group l($212{\mu}m{\sim}250{\mu}m$ particle), immature bone was formed and outermost layer was surrounded by osteoid layer at 2 weeks. Osteoblasts were arranged between immature bone and osteoid layer. And, osteoid layer was remained until 8 weeks after surgery. 3. In the experimental group 2, periosteum and dura mater lost its continuity at 2 weeks. Scattering of CAC particles and infiltration of inflammatory cells were observed, which this findings deepened at 8 weeks. The result of this study shows that when calvarial defects in white rats are filled with calcium aluminate cement of 212${\sim}$250${\mu}m$, the materials are to be bio-compatible in growth and healing on surrounding tissues. When further researches are fulfilled, such as direct bone adhesion and bone regeneration ability, it's possible that CAC could be applied to various periodontology fields in the future.
바터팽대부 선암종으로 췌십이지장절제술 후 발생한 간전이의 간절제술 치료 1예
신정아 ( Jeong A Shin ),안민 ( Min An ),최준일 ( Joon Il Choi ),김성훈 ( Seong Hoon Kim ),이우진 ( Woo Jin Lee ),박상재 ( Sang Jae Park ),박중원 ( Joong Won Park ),홍은경 ( Eun Kyung Hong ) 대한소화기학회 2006 대한소화기학회지 Vol.48 No.6
After curative resection of carcinoma of ampulla of Vater, 5-year survival rate has been reported ranging from 40% to 60%. Two major causes of the treatment failure are local recurrence and liver metastasis. Liver metastases are often multiple and are associated with poor prognosis. There have been few reports on long-term survivors after hepatectomy for metastatic liver tumors from carcinoma of ampulla of Vater. We report a 42 year-old female patient with solitary hepatic metastasis from carcinoma of ampulla of Vater, which was successfully treated by hepatectomy 69 months after curative Whipple`s operation. Histologic examination of the resected specimen had revealed stage IB moderately-differentiated, intestinal type adenocarcinoma (T2N0M0). Since neither local recurrence or distant metastasis were detected, the patient underwent liver segmentectomy. Histologic study confirmed the presence of metastatic liver tumor from carcinoma of ampulla of Vater. She is doing well without evidence of recurrence at 20 months after hepatectomy. (Korean J Gastroenterol 2006;48:434-437)
데포르마시옹 기법을 이용한 고관여 제품의 광고효과에 관한 연구
신정아 ( Jeong-a Shin ),이창근 ( Chang-keun Lee ) 한국디자인트렌드학회 2017 한국디자인포럼 Vol.56 No.-
연구배경 데포르마시옹 기법은 광고영역에 영향을 미쳐 독창적인 표현에 의한 광고로 나타났다. 저관여 제품 광고에서뿐만 아니라 고관여 제품 광고에서도 적극적으로 활용되고 있으며 효과적인 광고 전략으로 사용되고 있다. 그러나 현재 데포르마시옹 기법을 이용한 고관여 제품 광고 효과에 관한 구체적인 연구가 미흡한 실정이다. 따라서 본 연구에서는 데포르마시옹 기법을 이용한 고관여 제품 광고 효과를 연구하는데 목적이 있으며 데포르마시옹 광고유형이 고관여 제품 광고 수용자에게 미치는 영향에 대하여 실증적으로 분석하고자 한다. 연구방법 TV제품을 구매할 가능성이 높은 30대에서 50대 일반인 성인 남녀를 대상으로 자기기입식 설문을 실시하였다. 총 153부의 표본을 분석에 사용하였으며 수집된 자료는 SPSS for windows 20.0프로그램을 사용하여 빈도분석, 분산분석, 신뢰도분석을 실행하였다. 연구결과 첫째, 데포르마시옹 광고유형에 따른 인지반응에는 유의미한 차이가 있는 것으로 확인되었다. 둘째, 데포르마시옹 광고유형에 따른 광고태도에는 유의미한 차이가 있는 것으로 확인되었다. 셋째, 데포르마시옹 광고유형에 따른 제품태도에는 유의미한 차이가 있는 것으로 확인되었다. 넷째, 데포르마시옹 광고유형에 따른 구매의도에는 유의미한 차이가 있는 것으로 확인되었다. 결론 본 연구는 데포르마시옹 기법을 이용한 고관여 제품 광고효과에 대하여 실증적으로 분석함으로써 광고를 제작함에 있어 데포르마시옹 기법의 이론적 틀을 제공하고 이에 따른 효과적인 적용방안을 제시하고자 한다. Background The deformation technique influenced the advertisement area and represented the advertising by the creative expression. In addition, it is utilized not only in the low-involvement product adverti sing but also in the high-involvement product advertising and used as effective advertisement strategy. However, the specific research on the effects of the high-involvement product advertising using the deformation technique is deficient. Therefore, the purpose of this study is to study the effect of the high-involvement advertising using deformation technique and intended to analyze the influence of the deformation advertisement type on the audiences. Methods The self-administered questionnaire survey was performed from the adults females and males aged between 30s and 50s who have high possibility to buy TV products. Total 153 questionnaires were collected and the frequency analysis, variance analysis and the reliability analysis were performed with the collected data using SPSS 20.0 program. Result First, it was confirmed that there is significant difference in the cognitive reaction according to the deformation advertisement type. Second, it was confirmed that there is significant difference in the advertising attitude according to the deformation advertisement type. Third, it was confirmed that there is significant difference in the product attitude according to the deformation advertisement type. Fourth, it was confirmed that there is significant difference in the purchase intention according to the deformation advertisement type. Conclusion This study provided the theoretical framework of deformation technique and proposed the effective application measures in making the advertising by analyzing the effects of the high-involvement product advertisement using deformation technique empirically.
학술연구 : 경기도 디지털 지식정보자원 구축과 서비스에 대한 연구
신정아 ( Jeong A Shin ) 한국디지틀도서관포럼 2012 디지틀 도서관 Vol.68 No.-
경기도는 지역 지식정보자원의 공유와 이용활성화를 위해 경기도사이버도서관을 통해 경기도 디지털 지식정보자원을 구축하고 서비스하고 있다. 본 연구는 경기도내 공공도서관 및 공공기관간의 협력 네트워크 구성과 경기도 지식정보자원 관리 현황, 디지털화 방법 및 서비스에 대한 실례를 제시하였다. 이를 통해 지역 지식정보자원 구축 및 서비스를 위한 방안을 제시하였다. Geonggi province has been building local knowledge and information resources to share and encourage the use of information through Geonggido Cyber Library. This study examines practices of cooperation network configuration between public libraries and other organization in Geonggi province, managing knowledge and information resource, digitization and services. This study suggests some ways for building local knowledge and information resources and services.
간세포암종 진단에서 18F-FDG 양전자 방출단층촬영(PET)의 정확성
신정아 ( Jeong A Shin ),박중원 ( Joong Won Park ),안민 ( Min An ),최준일 ( Joon Il Choi ),김성훈 ( Seong Hoon Kim ),김석기 ( Seok Ki Kim ),이우진 ( Woo Jin Lee ),박상재 ( Sang Jae Park ),홍은경 ( Eun Kyung Hong ),김창민 ( Chang M 대한간학회 2006 Clinical and Molecular Hepatology(대한간학회지) Vol.12 No.4
간접적으로 확인한 간문맥압항진증이 간세포암종 환자의 간절제술 후 합병증 발생과 예후에 미치는 영향
안민 ( Min An ),박중원 ( Joong Won Park ),신정아 ( Jeong A Shin ),최준일 ( Joon Il Choi ),김태현 ( Tae Hyun Kim ),김성훈 ( Seong Hoon Kim ),이우진 ( Woo Jin Lee ),박상재 ( Sang Jae Park ),홍은경 ( Eun Kyoung Hong ),김창민 ( Chang 대한간학회 2006 Clinical and Molecular Hepatology(대한간학회지) Vol.12 No.4