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공막 봉합 인공수정체 삽입술시 병행한 유리체 절제술의 의의
장보현,안민,이동욱,조남천,Bo-Hyun Jang,Min Ahn,Dong-Wook Lee,Nam-Chun Cho 대한안과학회 2005 대한안과학회지 Vol.46 No.3
Purpose: To evaluate the role of vitrectomy in transscleral fixation of posterior chamber intraocular lens (IOL) compared to scleral fixation without vitrectomy. Methods: We reviewed the medical records of 8 eyes which had undergone transscleral fixation with vitrectomy using the three-port-system and 13 eyes which had undergone transscleral fixation only. The postoperative visual acuity, best-corrected visual acuity and changes in astigmatism were compared between the groups. Results: Postoperative uncorrected and best corrected visual acuities were 0.68 and 0.8 in the vitrectomy group and 0.48 and 0.63 in the non-vitrectomy group, respectively. Changes in the amount of astigmatism were significantly less in the vitrectomy group (0.38 diopter) compared to those of the non-vitrectomy group (1.67 diopter). Conclusions: Transscleral fixation of IOL along with three-port-system vitrectomy resulted in good vision with a smaller degree of astigmatism. Adopting three-port-system vitrectomy seems to have caused the good results, because more complete removal of the lens and capsule remnants and adequate maintenance of IOP with accurate needling and IOL positioning was possible using the system.
장보현 ( Bo Hyun Jang ),김병욱 ( Byung Wook Kim ),임근준 ( Keun Joon Lim ),김부경 ( Boo Gyoung Kim ),박성민 ( Sung Min Park ),김준성 ( Joon Sung Kim ),지정선 ( Jeong Seon Ji ),최황 ( Hwang Choi ) 대한소화기학회 2015 대한소화기학회지 Vol.65 No.6
Gastrointestinal stromal tumor (GIST) is the most common mesenchymal tumor of the gastrointestinal tract. Imatinib mesylate is recommended as adjuvant therapy for GIST after surgical resection. However, drug-related adverse events are common. A 74-year-old female with metastatic GIST who was managed with imatinib experienced severe adverse events, including skin rashes, tremor, and alopecia, etc. The imatinib dose was reduced and the size of the metastatic GIST continued to decrease and adverse events showed significant improvement. (Korean J Gastroenterol 2015;65:366-369)
Track 4 : 컴퓨터과학; 이차원 QR Code의 디코딩 알고리즘
박광욱 ( Kwang Wook Park ),한상룡 ( Sang Yong Han ),장보현 ( Bo Hyun Jang ),이종연 ( Jong Yun Lee ) 한국컴퓨터교육학회 2014 한국컴퓨터교육학회 학술발표대회논문집 Vol.18 No.1
본 논문에서는 2차원 QR code의 인코딩에 따른 디코딩 과정을 소개한다. 2차원 바코드인 QR Code는 기존 1차원 바코드의 용량, 크기, 방향에 대한 한계를 개선하여 개발되었다. QR Code는 모드와 버전에 따라 다른 인코딩 방법을 지원한다. 인코딩의 방법과 순서에 따른 디코딩을 해서 결과를 확인할 수 있다. 하지만 QR Code의 디코딩 기술에 대한 구체적인 문서화가 없는 상태이다. 따라서 디코딩 과정에 대하여 구체적인 처리 절차를 소개하고 예를 통해 디코딩 과정을 상세히 이해시키는 데 연구목적이 있다.
Au/Ta₂O /p-Si Capacitor의 Memory 특성
장보현,송태식 中央大學校 基礎科學硏究所 1990 基礎科學硏究所 論文集 Vol.4 No.-
RF-reactive sputtered amorphous Ta₂O?? films on p-Si are analyzed for their application to semiconductor devices. The influence of SiO₂formed on a silicon wafer during Ta₂O?? deposition on the dielectric characteristics of Ta₂O?? capacitor is investigated. Capacitance measurement gave a relative permittivity of 27-30, in the range show by reactive sputtered Ta₂O?? films when measured at 100KHz. A very thin SiO₂films estimated to be 23-30Ågrows of Ta₂O??/Si interface during Ta₂O?? deposion. The memory characteristics of Au / Ta₂O?? / p-Si capacitor have been investigated. The C-V dependence on the condition of voltage-time stress and temperature is investigated. The Ta₂O?? / SiO₂and SiO₂/ Si interface charge distribution is investigated from C-V measurements. The SiO₂/ Si interface state density are obtained by evaluating measured DLTS signals. The capture cross section and state density of the SiO₂/ Si interface obtained from DLTS measurement varies between 10?? and 10?? ㎠ and between 10?? and 10㎝ ̄²eV ̄¹.