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Ergonomic Development and Evaluation of UI Design for Optical Brain- Machine Interface (OBMI) System
Xin Cui(최신아),Hayoung Jung(정하영),Halim Kim(김하림),Yang Xiaopeng(양샤오펑),Linqing Feng(펭린칭),Shaomin Zhang(장샤오민),Mingkang Li(리밍캉),Changhao Liu(리우창하오),Jiawei Han(한지아웨이),Ruixue Wang(왕루이수에),Heecheon You(유희천) 대한인간공학회 2020 대한인간공학회 학술대회논문집 Vol.2020 No.10
Xin Cui,Jinkai Wang,Hao Wang,Xiao‑Gang Lu,Jun Jiang 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.5
The stacking fault energy (SFE) of Fe-Mn alloys is studied by first-principles calculations with chemical disorder and order,nonmagnetic (NM) and antiferromagnetic (AFM) configurations. It is found that Mn atom has a short-range effect on bothnonmagnetic and antiferromagnetic stacking faults (SF) plane. Mn atom reduces the intrinsic stacking fault energy (ISFE)and unstable stacking fault energy (USFE) when it is in the vicinity of the SF plane. Short-range effect is 42% in AFM configurationlarger than 12.6% in NM configuration when Mn atom is on SF plane. The phenomenon of generalized stackingfault energy (GSFE) curve and short-range effect are investigated by topological analysis and electron structures respectively. Furthermore, the twinning tendency is proven to be stronger in AFM γ-FeMn with increasing Mn concentration than otherdeformation mechanisms.
Xin Zhang,Bin Zhang,Ming Juan Li,Xu Ming Yin,Li Fang Huang,Yan Chun Cui,Man Ling Wang,Xin Jie Xia 한국식물학회 2016 Journal of Plant Biology Vol.59 No.3
Zinc nger proteins (ZFPs) play important roles in plant responses to biotic and abiotic stresses. Through microarray analysis, an Oryza sativa L. multi-stress-responsive gene, OsMSR15, was identied and subsequently cloned from rice Pei’ai 64S (Oryza sativa L.). Expression of OsMSR15 was strongly up-regulated by cold, drought and heat stresses in different tissues at different developmental stages of rice. OsMSR15 contains two C2H2-type zinc nger motifs, a nuclear localization signal (B box), a Leu-rich domain (L-box) and a conserved EAR-motif close to its C-terminus. The OsMSR15-GFP fusion protein was localized to the nucleus. Yeast-one hybrid assay showed that OsMSR15 possesses transcriptional activation ability. Expression of OsMSR15 in Arabidopsis conferred drought tolerance, and transgenic plants showed hypersensitivity to exogenous ABA during the seed germination and post-germination stages. Transgenic plants also showed higher levels of free proline, less electrolyte leakage and increased expressions of a number of stress-responsive genes, including LEA3, RD29A, DREB1A and P5CS1 under drought stress. The obtained results indicate that OsMSR15 is an important regulator involved in plant response to drought stress.
( Xin Gang Cui ),( Dan Feng Xu ),( Chao Lv ),( Fa Jun Qu ),( Jin He ),( Ming Chen ),( Yu Shan Liu ),( Yi Gao ),( Jian Ping Che ),( Ya Cheng Yao ),( Hong Yu Yu ) 생화학분자생물학회(구 한국생화학분자생물학회) 2011 BMB Reports Vol.44 No.8
MED19 is a member of the Mediator that plays a key role in the activation and repression of signal transduction or the regulation of transcription in carcinomas. To tested the functional role of MED19 in human prostate cancer, we downregulated MED19 expression in prostate cancer cells (PC-3 and DU145) by lentivirus- mediated short hairpin (shRNA), and analyzed the effect of inhibition of MED19 on prostate cancer cell proliferation and tumorigenesis. The in vitro prostate cancer cell proliferation, colony formation, and in vivo tumor growth in nude mice xenografts was significantly reduced after the downregulation of MED19. Knock- down of MED19 caused S-phase arrest and induced apoptosis via modulation of Bid and Caspase 7. It was suggested that MED19 serves as a novel proliferation regulator that promotes growth of prostate cancer cells. [BMB reports 2011; 44(8): 547-552]
Virtual Fit Analysis of Non-invasive Ventilation (NIV) Mask Design
Xin Cui(최신아),Hayoung Jung(정하영),Wonsup Lee(이원섭),Sungchul Huh(허성철),Soo-Yeon Kim(김수연),Sang Hun Kim(김상훈),Ra-Yu Yun(윤라유),Heecheon You(유희천) 대한인간공학회 2021 대한인간공학회 학술대회논문집 Vol.2021 No.11
Objective: The present study aimed to analyze the virtual fit of non-invasive ventilation (NIV) mask-wearing of patients with bulbar amyotrophic lateral sclerosis (ALS) for ergonomic mask design. Background: Bulbar ALS patients have larger morphological deformation of the face by posture than the healthy, which may cause a higher risk of NIV mask-related side effects such as pressure injuries and air leaks. Method: The virtual fits of an NIV mask in patients in three different postures were compared with the healthy in sitting posture. Four steps, including (1) acquisition of 3D data, (2) identification of mask-wearing position, (3) measurement of the horizontal distance, (4) analysis of mask fit, were performed. First, the 3D faces of 10 bulbar ALS patients (age: 59.2 ± 12.8 years) and 10 healthy subjects (age: 32.5 ± 13.2 years) were scanned in three postures, including sitting, supine, and lateral (left) postures. 3D data of 3 healthy subjects with properly donned NIV masks and the NIV mask were obtained. Second, the optimal mask-wearing position of 20 participants was identified based on the average horizontal distances of the mask to 3 healthy subjects. Then, the filtrations between 16 key landmarks of the face and the corresponding landmarks of NIV masks were measured using Rhino 3D (Robert McNeel and Associates, Seattle: WA, USA). Last, the horizontal distance of patients in three postures was compared with that of the healthy subjects in sitting posture. Results: In bulbar ALS patients, the fit of the mask was reduced by 21.0% at bilateral lower sides of the chin and increased by 24.6% at promentale compared to the optimal fit. In supine posture, mask fit was significantly reduced by 13.2% ~ 44.2% in the left and right cheeks and nasolabial folds. In lateral posture, the mask fit significantly decreased by 20.2% ~ 33.9% in the left cheek and increased by 9.6% at promentale and 10.9% in the upper right cheek. Conclusion: Unfit of NIV mask of bulbar patients in sitting, supine, and lateral posture was identified by virtual fit analysis. Application: Virtual fit analysis is applicable to provide quantitative evidence in the ergonomic NIV mask design process.