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특수교육 현장에서 AAC 시스템의 활용에 대한 사용자의 경험 및 요구분석
김정연,황지현 이화여자대학교 특수교육연구소 2012 특수교육 Vol.11 No.3
This study was performed to identify the AAC users' requirement to improve the utilization of the AAC system and supplement of the high-quality AAC system to develop a fitting system for user convenience. To collect data, focus group and individual interviews were conducted. Thirty-four individuals (twenty-four specialist of special educations and ten parents) who assisted ten users of AAC system with disabilities were interviewed. The results of usability evaluation showed six themes and sixteen sub-topics by analysis of the transcribed interview contents were as follows. (1) the technical characteristics of the AAC system, (2) the contents of the AAC system, (3) the teaching and learning supports through the AAC system, (4) the utilization of AAC system user, (5) the utilization of AAC system facilitator, (6) the support of the various conditions. Based on these results, in order to increase the utilizability of the AAC system in the field of special education, the flexible user interface design considering the various levels and the ability of the user should be developed during initial development process and the further studies on ways to increase the efficiency of the AAC system based on continued usability evaluation should be continued. 본 연구는 보완·대체 의사소통(AAC) 시스템을 개발하는 과정에서 특수교육 현장에서의 AAC 사용자의 요구사항을 파악하여 AAC 시스템의 활용도를 높이고 고품질의 AAC 시스템을 보완하여 사용자 편의에 적합한 시스템을 개발하기 위해 수행되었다. AAC 시스템으로 마이토키(My Talkie) 사용자인 장애학생 10명을 직·간접적으로 지원한 특수교육 관련 전문가 24명, 대상 학생의 보호자 10명을 대상으로 개별면담과 포커스그룹 면담을 통한 자료를 수집하였다. 면담 내용을 전사하여 분석한 사용성 평가의 결과는 6가지 대주제와 16개의 하위주제로 도출되었으며, 결과는 다음과 같다. (1) AAC 시스템의 기술적 특성, (2) AAC 시스템의 내용, (3) AAC 시스템을 통한 교수-학습 지원, (4) 대상 학생의 AAC 시스템 활용성, (5) 촉진자의 AAC 시스템 활용성, (6) 제반 여건 지원 측면의 내용들이 제시되었다. 이러한 결과를 바탕으로 향후 AAC 시스템의 현장 활용 가능성을 높이기 위해서는 초기 개발 과정에서 다양한 사용자의 수준과 능력을 고려한 융통성 있는 사용자 인터페이스 설계가 이루어져야 할 것이며, 현장에서의 계속적인 사용성 평가를 바탕으로 AAC 시스템의 효율성을 높일 수 있는 방안에 대한 추후 연구들이 지속되어야 할 것이다.
최현성,이지현,윤석권,김한욱,임철완 대한피부과학회 2004 大韓皮膚科學會誌 Vol.42 No.3
Papillary eccrine adenoma is a rare benign sweat gland neoplasm. It occurs most often as a solitary nodule in women and is located predominantly on the distal portion of the extremities. This tumor is similar to tubular apocrine adenoma in histological and clinical aspects, so distinction of these tumors is still controversial. We report a case of two papillary eccrine adenomas developed on the left popliteal and calf area of a 58-year-old-man, this is the first report of the multiple papillary eccrine adenomas in Korea. (Korean J Dermatol 2004;42(3):353~355)
익산천의 수질변동 특성과 수질오염 요인분석에 관한 연구
정팔진,임익현,김민정,권지영 全北大學校 附設 都市및環境硏究所 1999 都市 및 環境硏究 Vol.14 No.1
In this study, Variation Characteristics and Analysis of Water Pollution Factors in Iksan stream were investigated and samples were collected 7 times during this study period at nine points. The water quality criteria of Iksan stream is first grade but it is over fifth grade because of domestic wastewater and livestock wastewater. Particularly, livestock wastewater from Wang-kung affect water quality of Iksan stream. So livestock wastewater should be controlled to recover water quality of Iksan stream.
구내 표준 방사선사진을 이용한 구내방사선촬영기의 선질 평가
이상섭,권혁락,심우현,오승현,이지연,전국진,김기덕,박창서 대한구강악안면방사선학회 2000 Imaging Science in Dentistry Vol.30 No.3
Purpose : This study was to evaluate the beam quality of intraoral X-ray equipments used at Yonsei University Dental Hospital (YUDH) using the half value layer (HVL) and the characteristic curve of intraoral standard X-ray film. Materials and Methods : The study was done using the intraoral X-ray equipments used at each clinical department at YUDH. Aluminum filter was used to determine the HVL. Intraoral standard film was used to get the characteristic curve of each intraoral X-ray equipment. Results : Most of the HVLs of intraoral X-ray equipments were higher than the least recommended thickness, but the REX 601 model used at the operative dentistry department and the X-707 model used at the pediatric dentistry department had HVLs lower than the recommended thickness. The slopes of the characteristic curves of films taken using the PANPAS 601 model and REX 601 model at operative dentistry department, the X-705 model of prosthodontic dentistry department, and the REX601 model at the student clinic were relatively low. Conclusion : HVL and the characteristic curve of X-ray film can be used to evaluate the beam quality of intraoral X-ray equipment. In order to get the best X-ray films with the least radiation exposure to patients and best diagnostic information in clinical dentistry, X-ray equipment should be managed in the planned and organized fashion. (Korean J Oral Maxillofac Radiol 2000; 30: 183-188)
Kim, Hyoun Sook,Kim, Hye Lee,Kim, Kyoung Hoon,Kim, Do Jin,Lee, Sang Jae,Yoon, Ji Young,Yoon, Hye Jin,Lee, Hyang Yeon,Park, Seung Bum,Kim, Soon-Jong,Lee, Jae Young,Suh, Se Won Oxford University Press 2010 Nucleic acids research Vol.38 No.6
<P>Tpa1 (for termination and polyadenylation) from <I>Saccharomyces cerevisiae</I> is a component of a messenger ribonucleoprotein (mRNP) complex at the 3′ untranslated region of mRNAs. It comprises an N-terminal Fe(II)- and 2-oxoglutarate (2OG) dependent dioxygenase domain and a C-terminal domain. The N-terminal dioxygenase domain of a homologous Ofd1 protein from <I>Schizosaccharomyces pombe</I> was proposed to serve as an oxygen sensor that regulates the activity of the C-terminal degradation domain. Members of the Tpa1 family are also present in higher eukaryotes including humans. Here we report the crystal structure of <I>S. cerevisiae</I> Tpa1 as a representative member of the Tpa1 family. Structures have been determined as a binary complex with Fe(III) and as a ternary complex with Fe(III) and 2OG. The structures reveal that both domains of Tpa1 have the double-stranded β-helix fold and are similar to prolyl 4-hydroxylases. However, the binding of Fe(III) and 2OG is observed in the N-terminal domain only. We also show that Tpa1 binds to poly(rA), suggesting its direct interaction with mRNA in the mRNP complex. The structural and functional data reported in this study support a role of the Tpa1 family as a hydroxylase in the mRNP complex and as an oxygen sensor.</P>
KIM, SEONG-KYU,KIM, SEONG-HO,NAH, SEONG-SU,LEE, JI HYUN,HONG, SEUNG-JAE,KIM, HYUN-SOOK,LEE, HYE-SOON,KIM, HYOUN AH,JOUNG, CHUNG-IL,BAE, JISUK,CHOE, JUNG-YOON,LEE, SHIN-SEOK Journal of Rheumatology 2013 The Journal of rheumatology Vol.40 No.3
<P><B>Objective.</B></P><P>Guanosine triphosphate cyclohydrolase 1 (GCH1) is the rate-limiting enzyme in the synthesis of tetrahydrobiopterin, which is an essential cofactor in nitric oxide (NO) production. Polymorphisms in the <I>GCH1</I> gene have been implicated in protection against pain sensitivity. The aim of our study was to determine whether single-nucleotide polymorphisms (SNP) in the <I>GCH1</I> gene affect susceptibility and/or pain sensitivity in fibromyalgia syndrome (FM).</P><P><B>Methods.</B></P><P>A total of 409 patients with FM and 422 controls were enrolled. The alleles and genotypes at 4 positions [rs3783641(T>A), rs841(C>T), rs752688(C>T), and rs4411417(T>C)] in the <I>GCH1</I> gene were analyzed. The associations of the <I>GCH1</I> SNP with susceptibility and clinical measures in patients with FM were assessed.</P><P><B>Results.</B></P><P>The frequencies of alleles and genotypes of the 4 SNP did not differ between patients with FM and healthy controls. Among 13 constructed haplotypes, we further examined 4 (CCTT, TTCT, TTCA, and CCTA) with > 1% frequency in both FM and controls. No associations of <I>GCH1</I> polymorphisms with FM-related activity or severity indexes were found, although the number and total score of tender points in patients with FM differed among the 4 haplotypes (p = 0.03 and p = 0.01, respectively). The CCTA haplotype of <I>GCH1</I> was associated with significantly lower pain sensitivity and occurred less frequently than the CCTT haplotype in patients with FM (p = 0.04, OR 0.45, 95% CI 0.21–0.96).</P><P><B>Conclusion.</B></P><P>Our study provides evidence that certain <I>GCH1</I> haplotypes may be protective against susceptibility and pain sensitivity in FM. Our data suggest that NO is responsible for pain sensitivity in the pathogenesis of FM.</P>