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김연수(YeonSu Kim),오해창(HaeChang Oh),정승주(SeungJu Jeong),이추복(ChooBok Lee),안설아(SeolAh Ahn),하미란(MiRan Ha),최영미(YoungMie Choi),주문원(MoonWon Choo) 한국멀티미디어학회 2009 한국멀티미디어학회 학술발표논문집 Vol.2009 No.2
현재 IT 기술의 정점에 위치한 가상현실은 사이버 공간 안에 인간의 오감을 통한 상호작용을 실현하여 현실세계에서의 활동 또는 공간적, 물리적 제약에 의해 직접 경험하지 못하는 상황을 간접적으로 체험할 수 있게 한다. 본 논문에서는, 현실 공간과 가상 공간을 접목시킨 증강현실 시스템을 통해서 2D 실내 건축 도면을 통해 3 차원의 가상 공간 안에서 인테리어를 설계하는 시스템의 프로토타입을 제시하고자 한다. 이 연구결과는 3 차원 기능성게임에 있어 게임 맵을 설계하는 기초연구로 활용하고자 한다.
Tremor Check : 손떨림 측정을 위한 모바일 앱
하재경(Jaekyung Ha),김연수(Yeonsu Kim),윤현진(Hyunjin Yun),이예인(Yein Lee),김영구(Younggoo Kim),안민규(Minkyu Ahn) 한국HCI학회 2021 한국HCI학회 학술대회 Vol.2021 No.1
전 세계적으로 노인 질환 중 이상운동증(파킨슨병, 본태진전증)이 증가하고 있는 추세이다. 이러한 추세에 따라 객관적이고 정확한 진단이 이루어져야 한다. 이에 맞춰 본 연구진은 이상운동증을 진단하고 치료하는 과정에서 의료진의 오진 확률을 줄여주고, 환자 데이터와 측정 데이터를 안전하게 보관 및 관리할 수 있는 Tremor Check 앱을 소개한다. 나선 그리기, 선 긋기 검사를 통해 손 떨림 중증도를 측정하며, 내부 저장소를 사용하여 정보보안의 위험을 줄이고, 다양한 해상도를 지원한다.
Kim, Duyeol,Ha, Yooncheol,Oh, Yeonsu,Han, Kiwon,Noh, Seung Ho,Kim, Cheolwoo,Kim, Sung-Hoon,Chae, Chanhee AAVLD 2010 JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION Vol.22 No.2
<P>The aim of the current study was to develop a nonradioactive in situ hybridization assay that can differentiate between genotypes 2a and 2b of Porcine circovirus-2 (PCV-2) in formalin-fixed, paraffin-embedded lymph node tissues from pigs with postweaning multisystemic wasting syndrome. Two different digoxigenin-labeled oligonucleotide probes were designed from the PCV-2 open reading frame 2 sequences. The PCV-2a-specific probe did not hybridize with formalin-fixed, paraffin-embedded lymph nodes from naturally PCV-2b-infected pigs and vice versa. Both PCV-2a-specific and PCV-2b-specific probes gave consistent negative signals in lymph nodes from naturally PCV-1-infected pigs. The in situ hybridization assay described in the present study represents a diagnostic tool that can differentiate between the 2 genotypes of PCV-2.</P>
An Open Source Based Assistive Clinical Application Development for Movement Disorder
하재경(Jaekyung Ha),황보효정(Hyojeong Hwangbo),권효정(Hyojeong Gwon),장지현(Jihyun Jang),배수한(Suhan Bae),윤다은(Daeun Yun),김연수(Yeonsu Kim),윤현진(Hyunjin Yun),이예인(Yein Lee),김영구(Young Goo Kim),안민규(Minkyu Ahn) Korean Institute of Information Scientists and Eng 2021 정보과학회논문지 Vol.48 No.5
Kang, Ikjae,Ha, Yooncheol,Kim, Duyeol,Oh, Yeonsu,Cho, Kyung-Dong,Lee, Bog-Hieu,Lim, Junghan,Kim, Sung-Hoon,Kwon, Byungjoon,Chae, Chanhee Elsevier 2010 Research in veterinary science Vol.88 No.2
<P><B>Abstract</B></P><P>We investigated the localization of porcine reproductive and respiratory syndrome virus (PRRSV) in the mammary glands of experimentally infected sows using reverse transcription PCR and immunohistochemistry. Six pregnant sows were inoculated intranasally with PRRSV three weeks prior to the predicted farrowing date. The six PRRSV-infected sows and two uninfected negative control sows remained clinically healthy and farrowed normally. Milk samples were collected from all sows on lactation days 1, 2, and 3. PRRSV was detected in milk as early as lactation day 1 in all of the PRRSV-infected sows, but not in the uninfected sows. PRRSV antigen was detected by immunohistochemistry in macrophage-like cells in the alveolar lumina of the mammary glands and in other tissues. Our results show that PRRSV is shed in the milk of infected sows, and that PRRSV antigen is present in the mammary glands of experimentally infected sows.</P>
Expression of Mucins in the Mucosal Surface of Small Intestines in 1 Week-Old Pigs
KIM, Chung Hyun,OH, Yeonsu,HA, Yooncheol,AHN, Qwein,KIM, Sung-Hoon,CHO, Kyung-Dong,LEE, Bog-Hieu,CHAE, Chanhee Japanese Society of Veterinary Science 2010 The Journal of veterinary medical science Vol.72 No.2
<P>The aim of this study was to determine the immunoexpression of mucins in jejunal and ileal villous epithelium using six antibodies against MUC1, MUC2, MUC4 MUC5AC, MUC5B and MUC6. The immunohistochemical score for MUC1 has significantly intense staining compared with MUC2 (<I>P</I>=0.008) and the immunohistochemical socre for MUC4 and MUC 6 has significantly intense staining compared with MUC2 (<I>P</I>=0.032) in ileal villous surface. The immunohistochemical score for MUC4 (<I>P</I>=0.008), MUC5AC (<I>P</I>=0.016) and MUC6 (<I>P</I>=0.016) in ileal villous surface has significantly intense staining compared with ileal cryptic surface. The results of this study demonstrated that six mucins gave distinctly different expression patterns throughout the 1 week-old porcine small intestinal tract.</P>
Clinical Manifestations and Surgical Treatment Outcomes of Paranasal Sinus Osteoma
Cho Ara,Jung Youngrak,Park Ju Ha,Jeong Yeonsu,Cho Hyung-Ju 대한비과학회 2022 Journal of rhinology Vol.29 No.1
Background and Objectives: Osteomas are the most common benign tumors of the nasal cavity and paranasal sinuses (PNSs). In this study, clinical features and imaging findings were analyzed in patients with osteoma confirmed by ostiomeatal unit (OMU) computed tomography (CT) and PNS CT, and the surgical treatment performed at our hospital was introduced.Methods: The Severance Clinical Research Analysis Portal (SCRAP) service of Severance Hospital was used to collect research data. A total of 128 cases of osteomas of the nasal cavity or PNSs confirmed by OMU CT or PNS CT was retrospectively reviewed, including the location and size of the osteoma, clinical features, accompanying findings on imaging tests, and cases of surgical treatment.Results: In this study, osteomas were found in about 0.55% of patients who underwent computed tomography. Osteomas were most frequently found in the ethmoid sinus, followed by the frontal sinus, fronto-ethmoid sinus, maxillary sinus, intranasal sphenoid sinus, and maxillary sinus-ethmoid sinus. Patients with osteomas complained of symptoms such as rhinorrhea, postnasal drip, nasal congestion, hyposmia, headache, visual disturbance, and lacrimal duct obstruction.Conclusion: Surgical treatment was considered for patients presenting with severe headache, visual field symptoms, or accompanying rhinosinusitis. Surgery was performed by endoscopic or external approaches depending on location and size of the osteoma.