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Hsu, Chien-Chen,Hsu, Chin-Lin,Tsai, Shao-En,Fu, Timothy Yu-Chi,Yen, Gow-Chin The Korean Society of Food Science and Nutrition 2009 Journal of medicinal food Vol.12 No.4
The effects of the water extracts of Millettia reticulata Benth (WEMRB) and its active compound (protocatechuic acid [PCA]) on acute hepatic injury and inflammation in $CCl_4$-induced Sprague-Dawley rats were investigated. Sprague-Dawley rats were orally treated with WEMRB or PCA for 28 consecutive days, and then the rats were given an intraperitoneal injection with $CCl_4$. Pretreatment with WEMRB or PCA significantly lowered the $CCl_4$-induced serum levels of hepatic enzyme markers (aspartate and alanine aminotransferases). Liver histopathology showed that WEMRB reduced the incidence of cytoplasmic vacuolization and necrosis induced by $CCl_4$ in rats. Pretreatment with WEMRB also showed anti-inflammation on the expression of cyclooxygenase-2, inducible nitric oxide synthase, and myeloperoxidase, as well as nitrite and nitrate levels in the $CCl_4$-induced Sprague-Dawley rats. The results suggest that oral administration of WEMRB decreases the hepatotoxic effects by increasing glutathione-dependent antioxidant enzyme activity, thereby reducing oxidative stress and inflammation in $CCl_4$-induced Sprague-Dawley rats.
Chien-Chen Hsu,Chin-Lin Hsu,Shao-En Tsai,Timothy Yu-Chi Fu,Gow-Chin Yen 한국식품영양과학회 2009 Journal of medicinal food Vol.12 No.4
The effects of the water extracts of Millettia reticulata Benth (WEMRB) and its active compound (protocatechuic acid [PCA]) on acute hepatic injury and inflammation in CCl4-induced Sprague-Dawley rats were investigated. Sprague-Dawley rats were orally treated with WEMRB or PCA for 28 consecutive days, and then the rats were given an intraperitoneal injection with CCl4. Pretreatment with WEMRB or PCA significantly lowered the CCl4-induced serum levels of hepatic enzyme markers (aspartate and alanine aminotransferases). Liver histopathology showed that WEMRB reduced the incidence of cytoplasmic vacuolization and necrosis induced by CCl4 in rats. Pretreatment with WEMRB also showed anti-inflammation on the expression of cyclooxygenase-2, inducible nitric oxide synthase, and myeloperoxidase, as well as nitrite and nitrate levels in the CCl4-induced Sprague-Dawley rats. The results suggest that oral administration of WEMRB decreases the hepatotoxic effects by increasing glutathione-dependent antioxidant enzyme activity, thereby reducing oxidative stress and inflammation in CCl4-induced Sprague-Dawley rats.
Fabrication of semi-transparent super-hydrophobic surface based on silica hierarchical structures
Ping-Hei Chen,Chin-Chi Hsu,Pei-Shan Lee,Chao-Sung Lin 대한기계학회 2011 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.25 No.1
This study successfully develops a versatile method of producing superhydrophobic surfaces with micro/nano-silica hierarchical structures on glass surfaces. Optically transparent super hydrophobic silica thin films were prepared by spin-coating silica particles suspended in a precursor solution of silane, ethanol, and H_2O with molar ratio of 1:4:4. The resulting super hydrophobic films were characterized by scanning electron microscopy (SEM), optical transmission, and contact angle measurements. The glass substrates in this study were modified with different particles: micro-silica particles, nano-silica particles, and hierarchical structures. This study includes SEM micrographs of the modified glass surfaces with hierarchical structures at different magnifications.
Ming-Chieh Cheng,Shih-Ping Liu,Yao-Chi Chuang,Karina Chin Po Hsu,Po-Ming Chow 대한비뇨의학회 2022 Investigative and Clinical Urology Vol.63 No.1
Purpose: Male urinary incontinence (UI) is a global health issue associated with bothersome symptoms which affect daily life. This study aims to evaluate the prevalence of male UI in China, Taiwan, and South Korea and to determine if UI is an independent risk factor affecting the health-related quality of life (HRQoL), mental health, work limitations, and healthcare seeking behavior. Materials and Methods: A post-hoc analysis was conducted on the LUTS Asia database which was collated from a cross-sectional, population-based internet survey in China, Taiwan, and South Korea. Prevalence of male UI was assessed, and the effect on HRQoL, Hospital Anxiety and Depression Scale (HADS) depression and anxiety scores, work performance, and healthcare seeking behaviors was determined using univariate and multivariate analyses. Results: A total of 4,076 male participants were surveyed. Prevalence of male UI was 17.3%. UI adversely affected the HRQoL in both physical and mental domains. Both multivariate and univariate analyses showed that male UI could be correlated with a negative effect on the HADS anxiety and depression scores. Multivariate analysis suggested that work difficulties were correlated to the presence of UI. Up to 28% of participants who reported urge UI only did not adopt any management measures. Conclusions: UI is common in men over 40 years and adversely impacts HRQoL. It is an independent risk factor for anxiety and depression and may cause significant work limitations. Despite these negative effects, many men still do not seek any intervention.
Weak localization and universal conductance fluctuations in multi-layer graphene
Chiashain Chuang,Tak-Pong Woo,Akram M. Mahjoub,Takahiro Ouchi,Chang-Shun Hsu,Chia-Pei Chin,Nobuyuki Aoki,Li-Hung Lin,Yuichi Ochiai,Chi-Te Liang 한국물리학회 2014 Current Applied Physics Vol.14 No.1
We have performed magneto transport measurements on a multi-layer graphene device fabricated by conventional mechanical exfoliation. Suppression of weak localization (WL) as evidenced by the negative magnetoresistance (NMR) centered at zero field, and reproducible universal conductance fluctuations (UCFs) are observed. Interestingly, it is found that the phase coherence lengths calculated by fitting the observed NMR to conventional WL theory are longer than those determined from fitting the amplitudes of the UCFs to theory in the low temperature regime (T 8 K). In the high temperature regime (T > 8 K), the phase coherence lengths calculated by fitting the observed NMR to conventional WL theory are shorter than those determined from fitting the amplitudes of the UCFs to theory. Our new results therefore indicate a difference in the electron phase-breaking process between the two models of WL and UCFs in graphene.We speculate that the presence of the capping and bottom graphene layers, which leads the enhancement of disorder in-between, improves the localization condition for WL effect during carrier transportation in the low temperature regime. With increasing temperature, the localization condition for WL in multi-layer graphene becomes much weaker due to strong thermal damping. Therefore, the phase coherence lengths calculated by fitting the observed NMR to conventional WL theory are shorter than those determined from fitting the amplitudes of the UCFs to theory at high temperatures.
Impact Assessments of High Oil Prices on the Agro-Food System and the Role of Bioenergy Crops
Duu-Hw Leea,Hsin-Chun Lin,Ching-Cheng Chang,Shih-Hsun Hsu,Chi-Chun Chen,Jenny Chin-Hwa Sun 한국환경경제학회 2007 자원·환경경제연구 Vol.16 No.3
In this study, multi-sectoral partial equilibrium and computable general equilibrium models of Taiwan are used to investigate the direct and indirect effects of energy price increases on overall economies and agro-food sector in Taiwan. The results suggest that agricultural prices, production cost would increase between 0.27% to 1.88%, and a reduction in GDP around 0.39% to 0.54%. The negative impact on livestock sector is slightly higher than that on the crop sector. Negative impacts are also observed in the employment and wages. The rising oil price has the potential to discourage production of energy-intensive activity because of the possibility of substitution and adaptations. The growth rate of real GDP will shrink by 0.64% to 1.06% and CPI will increase by 1.17% to 1.95%. Both the agriculture and non-agricultural sector also respond by raising output prices by 0.80% to 1.33%. The rising international oil price has urged the government to take policy actions like using alternative fuels such as biodiesel, bioethanol, and adopting measures to cut down on energy consumptions mainly in transportation sectors in response to public concern over economic shocks.
Impact Assessments of High Oil Prices on the Agro-Food System and the Role of Bioenergy Crops
Lee, Duu-Hwa,Lin, Hsin-Chun,Chang, Ching-Cheng,Hsu, Shih-Hsun,Chen, Chi-Chun,Sun, Jenny Chin-Hwa Korean Resource Economics Association 2007 자원·환경경제연구 Vol.16 No.3
In this study, multi-sectoral partial equilibrium and computable general equilibrium models of Taiwan are used to investigate the direct and indirect effects of energy price increases on overall economies and agro-food sector in Taiwan. The results suggest that agricultural prices, production cost would increase between 0.27% to 1.88%, and a reduction in GDP around 0.39% to 0.54 %. The negative impact on livestock sector is slightly higher than that on the crop sector. Negative impacts are also observed in the employment and wages. The rising oil price has the potential to discourage production of energy-intensive activity because of the possibility of substitution and adaptations. The growth rate of real GDP will shrink by 0.64% to 1.06% and CPI will increase by 1.17% to 1,95%. Both the agriculture and non-agricultural sector also respond by raising output prices by 0.80% to 1.33%. The rising international oil price has urged the government to take policy actions like using alternative fuels such as biodiesel, bioethanol, and adopting measures to cut down on energy consumptions mainly in transportation sectors in response to public concern over economic shocks.