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Detecting small lung tumors in mouse models by refractive-index microradiology
Chien, Chia-Chi,Zhang, Guilin,Hwu, Y.,Liu, Ping,Yue, Weisheng,Sun, Jianqi,Li, Yan,Xue, Hongjie,Xu, Lisa X.,Wang, Chang Hai,Chen, Nanyow,Lu, Chien Hung,Lee, Ting-Kuo,Yang, Yuh-Cheng,Lu, Yen-Ta,Ching, Y Springer-Verlag 2011 ANALYTICAL AND BIOANALYTICAL CHEMISTRY Vol.401 No.3
Kuo-Hsin Chen,Bor-Ru Lin,Chiang-Ting Chien,Chien-Hsin Ho 한국식품영양과학회 2011 Journal of medicinal food Vol.14 No.7
Inflammation and oxidative stress contribute to liver injury. Amla (Emblica officinalis Gaertn.) is rich in vitamin C, gallic acid, flavonoids, and tannins, which may protect against hepatoxicity-induced liver injury. We elucidated the effects of supplementary Amla (100 mg/kg of body weight) on N-nitrosodiethylamine-induced injury by evaluating reactive oxygen species (ROS) responses in the liver and bile, the degree of accumulated leukocytes and Kupffer cell infiltration, 3-nitrotyrosine and 4-hydroxynonenal stains, apoptosis and autophagy, plasma aspartate aminotransferase (AST), alanine aminotransferase (ALT), and γ-glutamyl transpeptidase (γ-GT) levels, and antioxidant/oxidant enzymes in rats. Amla was more potent than vitamin C in scavenging O_2^−·, hydrogen peroxide, and nitric oxide. N-Nitrosodiethylamine increased ROS production in liver and bile, hepatic Kupffer cell and leukocyte infiltration, 3-nitrotyrosine and 4-hydroxynonenal accumulations, apoptosis and autophagy, and plasma ALT, AST, and γ-GT levels in the rats, decreased hepatic manganese superoxide dismutase (MnSOD) and catalase protein expressions, and enhanced inducible nitric oxide synthase (iNOS) and cytochrome P450 2E1 (CYP2E1) protein expressions. Amla significantly preserved MnSOD and catalase expressions and decreased iNOS and CYP2E1 protein expressions in N-nitrosodiethylamine-treated livers. Amla decreased N-nitrosodiethylamine-enhanced hepatic apoptosis and autophagy appearances via down-regulation of the Bax/Bcl-2 ratio and Beclin-1 expression. Thus Amla supplementation counteracts N-nitrosodiethylamine-induced liver injury via its antioxidant, anti-inflammation, anti-apoptosis, and anti-autophagy properties.
Chien-Kuo Chiu,Kai-Ning Chi,Bo-Ting Ho 한국콘크리트학회 2018 International Journal of Concrete Structures and M Vol.12 No.4
The purpose of this study is to investigate the flexural crack development of high-strength reinforced concrete (HSRC) beams and suggest the design equations of the flexural crack control for HSRC beams. This study conducts two full-size simply-supported beam specimens and seven full-size cantilever beam specimens, and collects the experimental data of twenty full-size simply-supported beams from the past researches. In addition to high-strength reinforced steel bars of specified yielding stresses of 685 and 785 MPa, these specimens are all designed with the high-strength concrete of a specified compressive stress of 70 or 100 MPa. The experimental data is used to verify the application of the flexural crack control equations recommended in ACI 318-14, as reported by AIJ 2010, as reported by JSCE 2007 and as reported by CEB-fib Model Code 2010 on HSRC beam members; then, this study concludes the design equations for the flexural crack control based on ACI 318-14. Additionally, according to the experimental data, to ensure the reparability of an HSRC beam member in a medium-magnitude earthquake, the allowable tensile stress of the main bars can be set at the specified yielding stress of 685 MPa.
A Novel Technique for Real-Time Internet Radio Recorder on Non-DSP Embedded System
Lain-Jinn Hwang,Chien-Chou Shih,I-Ting Kuo 보안공학연구지원센터 2008 International Journal of Multimedia and Ubiquitous Vol.3 No.3
The capability of providing real-time multimedia player over the Internet is an important future application for embedded system. However, the main challenge of such an application is the limitation on computation performance and memory size in architecture of embedded system, especially while encoding and decoding. In this paper, a Streaming Packet Tracer (SPT) algorithm is proposed for real-time tracing the streaming packet header. Based on the SPT algorithm, we present a novel software-based technique which enables a non-DSP embedded system to play and record real-time streaming audio simultaneously. To verify the feasibility of the proposed technique, a real-time Internet radio recorder has been implemented on SBC-2410x embedded system successfully. The experimental results show that our achievement has reduced the CPU usage rate from over 100% to about 30%-40% in comparison with other recording method.
Photocatalytic study of Zinc Oxide with bismuth doping prepared by spray pyrolysis
Lin, Tzu-Yang,Hsu, Yu-Ting,Lan, Wen-How,Huang, Chien-Jung,Chen, Lung-Chien,Huang, Yu-Hsuan,Lin, Jia-Ching,Chang, Kuo-Jen,Lin, Wen-Jen,Huang, Kai-Feng Techno-Press 2015 Advances in nano research Vol.3 No.3
The unintentionally doped and bismuth (Bi) doped zinc oxide (ZnO) films were prepared by spray pyrolysis at $450^{\circ}C$ with zinc acetate and bismuth nitrate precursor. The n-type conduction with concentration $6.13{\times}10^{16}cm^{-3}$ can be observed for the unintentionally doped ZnO. With the increasing of bismuth nitrate concentration in precursor, the p-type conduction can be observed. The p-type concentration $4.44{\times}10^{17}cm^{-3}$ can be achieved for the film with the Bi/Zn atomic ratio 5% in the precursor. The photoluminescence spectroscopy with HeCd laser light source was studied for films with different Bi doping. The photocatalytic activity for the unintentionally doped and Bi-doped ZnO films was studied through the photodegradation of Congo red under UV light illumination. The effects of different Bi contents on photocatalytic activity are studied and discussed. Results show that appropriate Bi doping in ZnO can increase photocatalytic activity.