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An-Shine Chao,Angel Chao,Chyong-Huey Lai,Chiao-Yun Lin,Lan-Yan Yang,Shih-Cheng Chang,Ren-Chin Wu 대한부인종양학회 2024 Journal of Gynecologic Oncology Vol.35 No.1
Objective: Lynch syndrome (LS) is a hereditar y cancer predisposition syndrome witha significantly increased risk of colorectal and endometrial cancers. Current standardpractice involves universal screening for LS in patients with newly diagnosed colorectal orendometrial cancer using a multi-step screening protocol (MSP). However, MSP may notalways accurately identif y LS cases. To address this limitation, we compared the diagnosticperformance of immediate germline sequencing (IGS) with MSP in a high-risk group. Methods: A total of 31 Taiwanese women with synchronous or metachronous endometrialand colorectal malignancies under went MSP which included immunohistochemical stainingof DNA mismatch repair (MMR) proteins, MLH1 promoter hypermethylation analysis, andgermline sequencing to identif y pathogenic variants. All patients who were excluded duringMSP received germline sequencing for MMR genes to simulate IGS for the detection of LS. Results: Our findings indicate that IGS surpassed MSP in terms of diagnostic yield (29.0% vs. 19.4%, respectively) and sensitivity (90% vs. 60%, respectively). Specifically, IGS successfullyidentified nine LS cases, which is 50% more than the number detected through MSP. Additionally, germline methylation analysis revealed one more LS case with constitutionalMLH1 promoter hypermethylation, bringing the total LS cases to ten (32.3%). Intriguingly,we obser ved no significant differences in clinical characteristics or overall sur vival betweenpatients with and without LS in our cohort. Conclusion: Our study suggests that IGS may potentially offer a more effective approachcompared to MSP in identif ying LS among high-risk patients. This advantage is evident whenpatients have been pre-selected utilizing specific clinical criteria.
Multidisciplinary Perspectives in Understanding Slow-moving Landslide
( Wei-an Chao ),( Ming-chien Chung ),( Keng-hao Kang ),( Chih-pin Lin ),( Tung-lin Tai ),( Hao-wen Yang ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
Landslides have caused extensive infrastructure damage and threatened the human fatalities through the centuries. Among all triggered factors, massive precipitation and large earthquakes are considered to be the two key activators for pushing landslide moving, particularly for catastrophic landslides. The most acceptable mechanism resulting the landslide movement is liquefaction due to increasing water pore pressure. In this study, a landslide site has been well understood by hydrological, geophysical, geological, geodetic, geotechnical and seismological (H4GS) perspectives. Our seismic monitoring of daily relative velocity changes (dv/v) in sliding material decreased coinciding with first-half rainy period yet increased observing in post-half raining event. Geodetic survey (real-time kinematic, RTK; total station) before and after rainy period presents the vertical subsidence without any horizontal movement. The results from multidisciplinary investigation allow us to draw the conceptual model of landslide healing process caused by the water loading. Under the stability condition (F > 1.0) for each sliding materials, unconsolidated landslide colluvium and impermeable sliding surface could trap the seepage water to be as water pool, provided compact force acting on the materials below the sliding boundary. The vertical force of compaction facilitates to increasing the cohesion and strength of materials, tending the landslide material to be much stability. We demonstrated that healing process is periodically occurred but only for prolonged and intense precipitation combined with stability condition.
An immersed boundary method for simulating dynamic and thermal flows with moving rigid boundary
Chuan-Chieh Liao,Chao-An Lin 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.10
In the present study, dynamic and thermal fields with moving rigid boundary are investigated by using an immersed-boundary method. This is achieved via direct momentum and energy forcing on a Cartesian grid by combining “solid-body forcing” at solid nodes and interpolation on neighboring fluid nodes, and issue involving the influence of the solid-body forcing is addressed. Grid-function convergence tests also indicate second-order accuracy of this implementation with respect to the L1-norm in time and the L2-norm in space. 3-D simulation of a heated sphere settling under gravity in a static fluid is adopted to examine the validity of the present technique. All computed results are in generally good agreement with experimental measurements. This indicates the capability of the present simple implementation in solving complex-geometry flow problems.
Chien-An Chen,Chun-Ju Chiang,Yun-Yuan Chen,San-Lin You,Shu-Feng Hsieh,Chao-Hsiun Tang,Wen-Fang Cheng 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.1
Objective: Adjuvant chemotherapy was introduced in patients with early-stage ovarian cancer (OC). The benefit of standard chemotherapeutic regimens including taxane has not been established. Methods: Patients with early-stage OC from the National Health Insurance Research database of Taiwan who received platinum plus cyclophosphamide (CP) or platinum plus paclitaxel (PT) for 3–6 cycles were recruited, and the disease-free survival (DFS) and overall survival (OS) were determined. Results: A total of 1,510 early-stage OC patients, including 841 who received CP regimen and 699 who received PT regimen, were included. The 2 groups had a similar estimated probability of 5-year DFS (PT vs. CP, 79.0% vs. 77.6%; p=0.410) and OS (84.6% vs. 84.3%; p=0.691). Patients >50 years of age who received the CP regimen had a lower 5-year DFS than the patients ≤50 years of age who received the CP (p<0.001) or PT regimens (p=0.001). Additionally, patients >50 years of age who received the CP regimen had a worse 5-year OS compared with the other 3 groups (p=0.019) (p=0.179 for patients >50 years of age in the PT group; p=0.002 for patients ≤50 years of age in the CP group; and p=0.061 for patients ≤50 years of age in the PT group). Patients with the CP or PT regimen for 3–5 cycles had a similar 5-year DFS and OS compared to 6 cycles (p>0.050). Conclusion: Chemotherapeutic regimens with taxane could be recommended for early-stage OC patients >50 years of age.
Qi-chao He,Qiao An,Pu-xin Lin 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.7
Confronting diverse working pressure during office time, front-line sales staffs’ service quality will be threatened, which can affect customers’ satisfaction and loyalty degree, then influence market share and competitive edge of the company further. Thus, this paper focuses on the front-line sales staffs and aims at identifying the influence mechanism of transformational leadership on their service quality and the role of psychological capital among the triadic relationship. The result of hierarchy regression analysis about 250 sample data showed that both transformational leadership and psychological capital had significantly positive effect on front-line sales staffs’ service quality, while psychological capital acted as mediator between transformational leadership and front-line sales staffs’ service quality. Organizational management is advised to adopt transformational leadership and promote the employees’ level of psychological capital so as to improve the service quality of front-line sales staffs and the entire company.
Multiscale self-coordination of bidimensional empirical mode decomposition in image fusion
( Feng-ping An ),( Xian-wei Zhou ),( Da-chao Lin ) 한국인터넷정보학회 2015 KSII Transactions on Internet and Information Syst Vol.9 No.4
The bidimensional empirical mode decomposition (BEMD) algorithm with high adaptability is more suitable to process multiple image fusion than traditional image fusion. However, the advantages of this algorithm are limited by the end effects problem, multiscale integration problem and number difference of intrinsic mode functions in multiple images decomposition. This study proposes the multiscale self-coordination BEMD algorithm to solve this problem. This algorithm outside extending the feather information with the support vector machine which has a high degree of generalization, then it also overcomes the BEMD end effects problem with conventional mirror extension methods of data processing, . The coordination of the extreme value point of the source image helps solve the problem of multiscale information fusion. Results show that the proposed method is better than the wavelet and NSCT method in retaining the characteristics of the source image information and the details of the mutation information inherited from the source image and in significantly improving the signal-to-noise ratio.
( Shu-Chen Wei ),( Ting-An Chang ),( Te-Hsin Chao ),( Jinn-Shiun Chen ),( Jen-Wei Chou ),( Yenn-Hwei Chou ),( Chiao-Hsiung Chuang ),( Wen-Hung Hsu ),( Tien-Yu Huang ),( Tzu-Chi Hsu ),( Chun-Chi Lin ) 대한장연구학회 2017 Intestinal Research Vol.15 No.3
Crohn`s disease (CD) is a chronic relapsing and remitting inflammatory disease of the gastrointestinal tract. CD is rare in Taiwan and other Asian countries, but its prevalence and incidence have been steadily increasing. A steering committee was established by the Taiwan Society of Inflammatory Bowel Disease to formulate statements on the diagnosis and management of CD taking into account currently available evidence and the expert opinion of the committee. Thorough clinical, endoscopic, and histological assessments are required for accurate diagnosis of CD. Computed tomography and magnetic resonance imaging are complementary to endoscopic evaluation for disease staging and detecting complications. The goals of CD management are to induce and maintain remission, reduce the risk of complications, and improve quality of life. Corticosteroids are the mainstay for inducing re-mission. Immunomodulating and biologic therapies should be used to maintain remission. Patients should be evaluated for hepatitis B virus and tuberculosis infection prior to treatment and receive regular surveillance for cancer. These consensus statements are based on current local evidence with consideration of factors, and could be serve as concise and practical guidelines for supporting clinicians in the management of patients with CD in Taiwan. (Intest Res 2017;15:285-310)
( Shu-Chen Wei ),( Ting-An Chang ),( Te-Hsin Chao ),( Jinn-Shiun Chen ),( Jen-Wei Chou ),( Yenn-Hwei Chou ),( Chiao-Hsiung Chuang ),( Wen-Hung Hsu ),( Tien-Yu Huang ),( Tzu-Chi Hsu ),( Chun-Chi Lin ) 대한장연구학회 2017 Intestinal Research Vol.15 No.3
Ulcerative colitis (UC) is an inflammatory bowel disease characterized by chronic mucosal inflammation of the colon, and the prevalence and incidence of UC have been steadily increasing in Taiwan. A steering committee was established by the Taiwan Society of Inflammatory Bowel Disease to formulate statements on the diagnosis and management of UC taking into account currently available evidence and the expert opinion of the committee. Accurate diagnosis of UC requires thorough clinical, endoscopic, and histological assessment and careful exclusion of differential diagnoses, particularly infectious colitis. The goals of UC therapy are to induce and maintain remission, reduce the risk of complications, and improve quality of life. As outlined in the recommended treatment algorithm, choice of treatment is dictated by severity, extent, and course of disease. Patients should be evaluated for hepatitis B virus and tuberculosis infection prior to immunosuppressive treatment, especially with steroids and biologic agents, and should be regularly monitored for reactivation of latent infection. These consensus statements are also based on current local evidence with consideration of factors, and could be serve as concise and practical guidelines for supporting clinicians in the management of UC in Taiwan. (Intest Res 2017;15:266-284)
Zhi-Bin Hu,He-An Luo,Xiao-Guang Wang,Ming-Zhi Huang,Lu Huang,Huai-Lin Pang,Chun-Hui Mao,Hui Pei,Chao-Qun Huang,Jiong Sun,Ping-Le Liu,Ai-Ping Liu 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.4
In attempt to lead compounds exhibiting both insecticidal and fungicidal activities, a series of O-benzyl oximeether derivatives were designed and synthesized by introducing β-methoxyacrylate pharmacophore into a scaffold. The insecticidal activity against Aphis fabae and the fungicidal activity against Erysiphe graminis were screened. The title compounds exhibited remarkable insecticidal and fungicidal activities. The most potent compound 6d was identified. Its insecticidal LC50 against A. fabae is 6.4 mg/L, which is lower than that of chlorfenapyr (19.4 mg/L) and even close to the level of imidacloprid (4.8 mg/L). Its fungicidal EC90 in preventive and curative treatment against E. graminis are 2.2 and 4.8 mg/L, respectively, which are lower than azoxystrobin (7.0 and 5.9 mg/L). These results indicate that compound 6d can be considered as a lead for further developing new O-benzyl oxime-ether typed candidates with both fungicidal and insecticidal activities.