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Chin-Hsing Chang,Tzong-Shyan Lin,Wen-Ju Yang 한국원예학회 2012 Horticulture, Environment, and Biotechnology Vol.53 No.6
To improve mango anthracnose management in Taiwan, the critical timing when anthracnose invades mango panicles is a priority subject. A 3-years field study was conducted by inoculating panicles at different developmental stages with 105 conidia/mL suspensions. Invading panicles at the full blooming stage resulted in 67.2% of panicles without setting any fruit and 61.1% of the fruitlets dropped, highest latent infection rate in the unripe fruits, and highest infection rate and largest infected area in the ripe fruits during the postharvest stage. Based on the data provided, we concluded that full blooming stage was the critical stage for C. gloeosporioides control in mango production,and suggest that controlling the population of field pathogens before full blooming stage should be emphasized in routine practice.
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Preparation and characterization of superhydrophobic coatings
Hsing-I Hsiang,Ming-Tsai Liang,Yu-Lun Chang,Hung-Chin Huang,Fu-Su Yen 한양대학교 세라믹연구소 2010 Journal of Ceramic Processing Research Vol.11 No.3
To obtain a surface with water-repelling and self-cleaning abilities attracts much interest in the nanotechnology age. In this study, a perfluroalkyl surfactant (perflurodecanoic acid, PFDA) was coated on nano-sized boehmite surfaces to obtain hydrophobic nano-particles via surface modification. Then the hydrophobic boehmite was coated on a transparent plastic film using spin-coating to obtain a hydrophobic film. The effects of various amounts of hydrophobic polymer on the adsorption behavior and contact angle for hydrophobic properties were investigated using FTIR, and a contact-angle meter. The adsorption of PFDA onto the surface of boehmite takes place through ionic bonding. The contact angles of the thin film prepared by spin coating PFDA-modified-boehmite on glass substrates were above 150o as the adsorption of PFDA onto the surface of boehmite reached saturation.
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A Conference Key Distribution Scheme Using Interpolating Polynomials
Chin-Chen Chang,Chu-Hsing Lin,Chien-Yuan Chen 보안공학연구지원센터 2007 International Journal of Security and Its Applicat Vol.1 No.2
Conference keys are secret keys used by a group of users commonly and with which they can encipher (or decipher) messages such that communications are secure. Based on the Diffie and Hellman’s PKDS, a conference key distribution scheme is presented in this paper. A sealed lock is used to lock the conference key in such a way that only the private keys of the invited members are matched. Then the sealed lock is thus made public or distributed to all the users, only legitimate users can disclose it and obtain the conference key. In our scheme, the construction of a sealed lock is simple and the revelation of a conference key is efficient
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Interleukin-20 targets podocytes and is upregulated in experimental murine diabetic nephropathy
Yu-Hsiang Hsu,Hsing-Hui Li,Junne-Ming Sung,Wei-Yu Chen,Ya-Chin Hou,Yun-Han Weng,Wei-Ting Lai,Chih-Hsing Wu,Ming-Shi Chang 생화학분자생물학회 2017 Experimental and molecular medicine Vol.49 No.-
Interleukin (IL)-20, a proinflammatory cytokine of the IL-10 family, is involved in acute and chronic renal failure. The aim of this study was to elucidate the role of IL-20 during diabetic nephropathy development. We found that IL-20 and its receptor IL-20R1 were upregulated in the kidneys of mice and rats with STZ-induced diabetes. In vitro, IL-20 induced MMP-9, MCP-1, TGF-β1 and VEGF expression in podocytes. IL-20 was upregulated by hydrogen peroxide, high-dose glucose and TGF-β1. In addition, IL-20 induced apoptosis in podocytes by activating caspase-8. In STZ-induced early diabetic nephropathy, IL-20R1-deficient mice had lower blood glucose and serum BUN levels and a smaller glomerular area than did wild-type controls. Anti-IL-20 monoclonal antibody (7E) treatment reduced blood glucose and the glomerular area and improved renal functions in mice in the early stage of STZ-induced diabetic nephropathy. ELISA showed that the serum IL-20 level was higher in patients with diabetes mellitus than in healthy controls. The findings of this study suggest that IL-20 induces cell apoptosis of podocytes and plays a role in the pathogenesis of early diabetic nephropathy.
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Relationship between the FRAX® score and falls in community-dwelling middle-aged and elderly people
Ling-Chun Ou,Yin-Fan Chang,Chin-Sung Chang,Ting-Hsing Chao,Ruey-Mo Lin,Zih-Jie Sun,Chih-Hsing Wu 대한골다공증학회 2016 Osteoporosis and Sarcopenia Vol.2 No.4
Objectives: Falls is a risk factor for fracture. The FRAX® predicts fractures. Whether the FRAX® is associated with fall in both gender is inconclusive. The aim of our study is to evaluate the association between FRAX scores and falls. Methods: The cross-sectional study set from 2009 to 2010 included 1200 community-dwelling people who were systematically sampled in central Taiwan. The 1200 participants (men: 524; women: 676; ?40 years old) completed questionnaires about socioeconomic status; lifestyle; medical and fall history were completed. FRAX scores with and without bone mineral density (BMD) were calculated by using the Taiwan calculator. Results: A total of 19.8% participants fell down. Binary regression models showed that diabetes mellitus history (OR: 1.61; 95% CI: 1.03e2.52), the FRAX without BMD in a continuous major score (OR: 1.06; 95% CI: 1.03e1.09), continuous hip score (OR: 1.11; 95% CI: 1.05e1.16), categorical major score ? 10% (OR: 1.81; 95% CI: 1.25e2.61), and categorical hip score ? 3% (OR: 1.80; 95% CI: 1.30e2.50) were independent risk factors for falls. FRAX with BMD in a continuous major score (OR: 1.04; 95% CI: 1.02e1.06), continuous hip score (OR: 1.06; 95% CI: 1.02e1.09), categorical major score ? 10% (OR: 1.52; 95% CI: 1.09e2.12), and categorical hip score ? 3% (OR: 1.53; 95% CI: 1.13e2.09) were also independent risk factors. Conclusions: We concluded that FRAX® scores with and without BMD were unanimously correlated with falls in community-dwelling middleaged and elderly males and females.
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