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DdeI Polymorphism in Coding Region of Goat POU1F1 Gene and Its Association with Production Traits
Lan, X.Y.,Pan, C.Y.,Chen, H.,Lei, C.Z.,Hua, L.S.,Yang, X.B.,Qiu, G.Y.,Zhang, R.F.,Lun, Y.Z. Asian Australasian Association of Animal Productio 2007 Animal Bioscience Vol.20 No.9
POU1F1 is a positive regulator for GH, PRL and TSH${\beta}$ and its mutations associate with production traits in ruminant animals. We described a DdeI PCR-RFLP method for detecting a silent allele in the goat POU1F1 gene: TCT (241Ser)>TCG (241Ser). Frequencies of $D_1$ allele varied from 0.600 to 1.000 in Chinese 801 goats. Significant associations of DdeI polymorphism with production traits were found in milk yield (*p<0.05), litter size (*p<0.05) and one-year-old weight (*p<0.05) between different genotypes. Individuals with genotype $D_1D_1$ had a superior performances when compared to those with genotype $D_1D_2$ (*p<0.05). Hence, the POU1F1 gene was suggested to the potential candidate gene for superior milk performance, reproduction trait and weight trait. Genotype $D_1D_1$, characterized by a DdeI PCR-RFLP detection, was recommended to geneticists and breeders as a molecular marker for better performance in the goat industry.
Real Time Fault Detection for Mecanum Wheel Omnidirectional Robot Platform
P. I. Chang,S. C. Fan-Chiang,C. Chen,C. Y. Lan 제어로봇시스템학회 2021 제어로봇시스템학회 국제학술대회 논문집 Vol.2021 No.10
This research demonstrates fault detection of omnidirectional vehicles with Mecanum wheels, when rotational error occurs in operation and in real time, by directly monitoring the viscous frictional coefficient through the torque model of each of the four operational Mecanum wheels. The method examined the different viscous friction coefficients of two size of wheels, as well as different road surfaces. The relationship between the viscous friction coefficients and the speed of each wheels are obtained by both the kinematics and dynamics modeling of the omni-directional vehicle system. Base on the variation of the relationship between the two parameters, the movement of the wheels of the omni-directional vehicle can be verified and the characteristics of wheels failure can be also presented in the experiment part.
X. C. Ruan,G. C. Chen,H. X. Huang,X. Li,Y. B. Nie,B. Zhou,Z. Y. Ma,J. Bao,Q. P. Zhong,Z. Y. Zhou,H. Q. Tang,J. S. Zhang,C. L. Lan,Y. L. Zhang,Y. M. Li 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
More and more interests have been paid to the differential and double-differential neutron emission cross sections (DX and DDX) at above 20 MeV region in recent years. At the China Institute of Atomic Energy (CIAE), a program to measure the DX and DDX between 20 and 30 MeV neutron energy region has been carried out. The d-T reaction neutron source was used to produce the 20 - 30 MeV neutrons with a tritium gas target at the HI-13 tandem accelerator at CIAE. The time-of-flight(TOF) technique was used to measure the neutron energy from about 1 MeV to 30 MeV with 3 BC501A liquid scintillators (with a size of Φ180 ×100 mm). A preliminary measurement has been carried out for ^9Be at 22 MeV. The measured data were analyzed by detailed Monte-Carlo simulation to perform the multiple scattering, flux attenuation and finite geometry corrections. The experimental details, the data analysis, the progress, the results and the future plan will be presented in this report.
The development of Taiwan Fracture Liaison Service network
Lo-Yu Chang,Keh-Sung Tsai,Jen-Kuei Peng,Chung-Hwan Chen,Gau-Tyan Lin,Chin-Hsueh Lin,Shih-Te Tu,I-Chieh Mao,Yih-Lan Gau,Hsusan-Chih Liu,Chi-Chien Niu,Min-Hong Hsieh,Jui-Teng Chien,Wei-Chieh Hung,Rong-S 대한골다공증학회 2018 Osteoporosis and Sarcopenia Vol.4 No.2
Osteoporosis and its associated fragility fractures are becoming a severe burden in the healthcare system globally. In the Asian-Pacific (AP) region, the rapidly increasing in aging population is the main reason accounting for the burden. Moreover, the paucity of quality care for osteoporosis continues to be an ongoing challenge. The Fracture Liaison Service (FLS) is a program promoted by International Osteoporosis Foundation (IOF) with a goal to improve quality of postfracture care and prevention of secondary fractures. In this review article, we would like to introduce the Taiwan FLS network. The first 2 programs were initiated in 2014 at the National Taiwan University Hospital and its affiliated Bei-Hu branch. Since then, the Taiwan FLS program has continued to grow exponentially. Through FLS workshops promoted by the Taiwanese Osteoporosis Association (TOA), program mentors have been able to share their valuable knowledge and clinical experience in order to promote establishments of additional programs. With 22 FLS sites including 11 successfully accredited on the best practice map, Taiwan remains as one of the highest FLS coverage countries in the AP region, and was also granted the IOF Best Secondary Fracture Prevention Promotion award in 2017. Despite challenges faced by the TOA, we strive to promote more FLS sites in Taiwan with a main goal of ameliorating further health burden in managing osteoporotic patients.
Cervical Vagal Nerve Stimulation Activates the Stellate Ganglion in Ambulatory Dogs
이경석,Chia-Hsiang Hsueh,Jessica A. Hellyer,박형욱,이영수,Jason Garlie,Patrick Onkka,Anisiia T. Doytchinova,John B. Garner,Jheel Patel,Lan S. Chen,Michael C. Fishbein,Thomas Everett 4th,Shien-Fong Lin,Peng-She 대한심장학회 2015 Korean Circulation Journal Vol.45 No.2
Background and Objectives: Recent studies showed that, in addition to parasympathetic nerves, cervical vagal nerves contained significantsympathetic nerves. We hypothesized that cervical vagal nerve stimulation (VNS) may capture the sympathetic nerves within the vagalnerve and activate the stellate ganglion. Materials and Methods: We recorded left stellate ganglion nerve activity (SGNA), left thoracic vagal nerve activity (VNA), and subcutaneouselectrocardiogram in seven dogs during left cervical VNS with 30 seconds on-time and 30 seconds off time. We then compared theSGNA between VNS on and off times. Results: Cervical VNS at moderate (0.75 mA) output induced large SGNA, elevated heart rate (HR), and reduced HR variability, suggestingsympathetic activation. Further increase of the VNS output to >1.5 mA increased SGNA but did not significantly increase the HR, suggestingsimultaneous sympathetic and parasympathetic activation. The differences of integrated SGNA and integrated VNA between VNSon and off times (ΔSGNA) increased progressively from 5.2 mV-s {95% confidence interval (CI): 1.25–9.06, p=0.018, n=7} at 1.0 mA to13.7 mV-s (CI: 5.97–21.43, p=0.005, n=7) at 1.5 mA. The difference in HR (ΔHR, bpm) between on and off times was 5.8 bpm (CI: 0.28–11.29, p=0.042, n=7) at 1.0 mA and 5.3 bpm (CI 1.92 to 12.61, p=0.122, n=7) at 1.5 mA. Conclusion: Intermittent cervical VNS may selectively capture the sympathetic components of the vagal nerve and excite the stellateganglion at moderate output. Increasing the output may result in simultaneously sympathetic and parasympathetic capture.