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J.L. S anchez Llamazares,Chong-Chong Liu,C.F. S anchez-Vald es,Hui Xu,Hongyan Su,Xianhao Cheng 한국물리학회 2016 Current Applied Physics Vol.16 No.9
With the development of aquaculture, there is an urgent demand for an alternative antibacterial agent to reduce the drug resistance and environmental pollution caused by the abuse of antibiotics. Recently, as promising antimicrobial agents, silver nanoparticles (AgNPs) synthesized via organisms has received much attention. Cordyceps militaris, a valuable edible and medicinal fungus, is rich in a variety of biologically active substances. So, it is of interest to biosynthesis a new antimicrobial agent of AgNPs with the aid of C. militaris. In this study, AgNPs were synthesized using the cell filtrate of C. militaris mycelium as reducing agents. The formation of AgNPs was first confirmed by the surface plasmon resonance illustrated in UVevisible spectrophotometer. X-ray diffraction analysis further confirmed that the AgNPs were composed of highly crystalline Ag. Transmission electron microscopy analysis revealed that most the AgNPs were in spherical shape with mean diameter about 15 nm. Moreover, the synthesized AgNPs exhibited superior antibacterial activities against the all the aquatic as well as clinical pathogenic bacteria. Besides, the prepared AgNPs were proven to be highly stable, even after long-term storage. To the best of our knowledge, this is the first report that the C. militaris extract could facilitate the synthesis of AgNPs.
Qiu-Yan Chen,Qing-Nan Tang,Lin-Quan Tang,Wen-Hui Chen,Shan-Shan Guo,Li-Ting Liu,Chao-Feng Li,Yang Li,Yu-Jing Liang,Xue-Song Sun,Ling Guo,Hao-Yuan Mo,Rui Sun,Dong-Hua Luo,Yu-Ying Fan,Yan He,Ming-Yuan C 대한암학회 2018 Cancer Research and Treatment Vol.50 No.3
Purpose The measuring Epstein-Barr virus (EBV) DNA is an important predictor of nasopharyngeal carcinoma (NPC). This study evaluated the predictive value of pretreatment serum amyloid A (SAA) and C-reactive protein (CRP) comparing with EBV DNA in patients with NPC. Materials and Methods In an observational study of 419 non-metastatic NPC patients, we prospectively evaluated the prognostic effects of pretreatment SAA, CRP, and EBV DNA on survival. The primary endpoint was progress-free survival (PFS). Results The median level of SAA and CRP was 4.28 mg/L and 1.88 mg/L, respectively. For the high- SAA group (> 4.28 mg/L) versus the low-SAA ( 4.28 mg/L) group and the high-CRP group (> 1.88 mg/L) versus the low-CRP ( 1.88 mg/L) group, the 5-year PFS was 64.5% versus 73.1% (p=0.013) and 65.2% versus 73.3% (p=0.064), respectively. EBV DNA detection showed a superior predictive result, the 5-year PFS in the EBV DNA 1,500 copies/mL group was obviously different than the EBV DNA < 1,500 copies/mL group (62.2% versus 77.8%, p < 0.001). Multifactorial Cox regression analysis confirmed that in the PFS, the independent prognostic factors were including EBV DNA (hazard ratio [HR], 1.788; p=0.009), tumour stage (HR, 1.903; p=0.021), and node stage (HR, 1.498; p=0.049), but the SAA and CRP were not included in the independent prognostic factors. Conclusion The results of SAA and CRP had a certain relationship with the prognosis of NPC, and the prognosis of patients with high level of SAA and CRP were poor. However, the predictive ability of SAA and CRP was lower than that of EBV DNA.
최준용,Somnuek Sungkanuparph,Thanomsak Anekthananon,Paul Sax,Edwin DeJesus,Howard Edelstein,Mark Nelson,Jennifer DeMorin,Hui C. Liu,Raji Swamy,반준우,황선진,양상윤,Christopher Ng,David Piontkowsky 대한감염학회 2016 Infection and Chemotherapy Vol.48 No.3
The efficacy and safety of a single tablet regimen (STR) of elvitegravir/cobicistat/emtricitabine/tenofovir disoproxil fumarate (E/C/ F/TDF) were analyzed in Phase 3 clinical trials in antiretroviral therapy (ART)-naïve and ART-experienced Asian subjects infected with human immunodeficiency virus (HIV)-1. Studies GS-US-236-102 and GS-US-236-103 were randomized, double-blind, placebo-controlled, 144-week studies conducted in ART-naïve subjects, comparing E/C/F/TDF versus efavirenz (EFV)/F/TDF or ritonavir-boosted atazanavir (ATV+RTV) plus emtricitabine/tenofovir DF (F/TDF), respectively. Studies GS-US-236-115 and GSUS- 236-121 were randomized, open-label, 96-week long conducted in ART-experienced subjects, who switched to E/C/F/TDF from ritonavir-boosted protease inhibitors (PI+RTV)+F/TDF, or non-nucleoside reverse transcriptase inhibitors (NNRTI)+F/TDF regimens. The E/C/F/TDF appeared to have sustained efficacy and safety and was well tolerated in the small number of ARTnaïve and ART-experienced Asian subjects.
Wearable Intelligent Systems for E-Health
Carmen C. Y. Poon,Qing Liu,Hui Gao,Wan-Hua Lin,Yuan-Ting Zhang 한국정보과학회 2011 Journal of Computing Science and Engineering Vol.5 No.3
Due to the increasingly aging population, there is a rising demand for assistive living technologies for the elderly to ensure their health and well-being. The elderly are mostly chronic patients who require frequent check-ups of multiple vital signs, some of which (e.g., blood pressure and blood glucose) vary greatly according to the daily activities that the elderly are involved in. Therefore, the development of novel wearable intelligent systems to effectively monitor the vital signs continuously over a 24 hour period is in some cases crucial for understanding the progression of chronic symptoms in the elderly. In this paper, recent development of Wearable Intelligent Systems for e-Health (WISEs) is reviewed, including breakthrough technologies and technical challenges that remain to be solved. A novel application of wearable technologies for transient cardiovascular monitoring during water drinking is also reported. In particular, our latest results found that heart rate increased by 9 bpm (P < 0.001) and pulse transit time was reduced by 5 ms (P < 0.001), indicating a possible rise in blood pressure, during swallowing. In addition to monitoring physiological conditions during daily activities, it is anticipated that WISEs will have a number of other potentially viable applications, including the real-time risk prediction of sudden cardiovascular events and deaths.
Wearable Intelligent Systems for E-Health
Poon, Carmen C.Y.,Liu, Qing,Gao, Hui,Lin, Wan-Hua,Zhang, Yuan-Ting Korean Institute of Information Scientists and Eng 2011 Journal of Computing Science and Engineering Vol.5 No.3
Due to the increasingly aging population, there is a rising demand for assistive living technologies for the elderly to ensure their health and well-being. The elderly are mostly chronic patients who require frequent check-ups of multiple vital signs, some of which (e.g., blood pressure and blood glucose) vary greatly according to the daily activities that the elderly are involved in. Therefore, the development of novel wearable intelligent systems to effectively monitor the vital signs continuously over a 24 hour period is in some cases crucial for understanding the progression of chronic symptoms in the elderly. In this paper, recent development of Wearable Intelligent Systems for e-Health (WISEs) is reviewed, including breakthrough technologies and technical challenges that remain to be solved. A novel application of wearable technologies for transient cardiovascular monitoring during water drinking is also reported. In particular, our latest results found that heart rate increased by 9 bpm (P < 0.001) and pulse transit time was reduced by 5 ms (P < 0.001), indicating a possible rise in blood pressure, during swallowing. In addition to monitoring physiological conditions during daily activities, it is anticipated that WISEs will have a number of other potentially viable applications, including the real-time risk prediction of sudden cardiovascular events and deaths.
Wang, Xian-Yu,Wang, Songhu,Hinse, Tobias C.,Li, Kai,Wang, Yong-Hao,Laughlin, Gregory,Liu, Hui-Gen,Zhang, Hui,Wu, Zhen-Yu,Zhou, Xu,Zhou, Ji-Lin,Hu, Shao-Ming,Wu, Dong-Hong,Peng, Xi-Yan,Chen, Yuan-Yuan Astronomical Society of the Pacific 2018 Publications of the Astronomical Society of the Pa Vol.130 No.988
Wang, Yong-Hao,Wang, Songhu,Liu, Hui-Gen,Hinse, Tobias C.,Laughlin, Gregory,Wu, Dong-Hong,Zhang, Xiaojia,Zhou, Xu,Wu, Zhenyu,Zhou, Ji-Lin,Wittenmyer, R. A.,Eastman, Jason,Zhang, Hui,Hori, Yasunori,Nar American Astronomical Society 2017 The Astronomical journal Vol.154 No.2
<P>We present 10. R-band photometric observations of eight different transits of the hot Jupiter HAT-P-33b, which has been targeted by our Transiting Exoplanet Monitoring Project. The data were obtained by two telescopes at the Xinglong Station of National Astronomical Observatories of China (NAOC) from 2013 December through 2016 January, and exhibit photometric scatter of 1.6-3.0 mmag. After jointly analyzing the previously published photometric data, radial-velocity (RV) measurements, and our new light curves, we revisit the system parameters and orbital ephemeris for the HAT-P-33b system. Our results are consistent with the published values except for the planet to. star radius ratio (RP/R-*), the ingress/egress duration (tau) and the total duration (T-14), which together indicate a slightly shallower and shorter transit shape. Our results are based on more complete light curves, whereas the previously published work had only one complete transit light curve. No significant anomalies in Transit Timing Variations (TTVs) are found, and we place upper mass limits on potential perturbers, largely supplanting the loose constraints provided by the extant RV data. The TTV limits are stronger near mean-motion resonances, especially for the low-order commensurabilities. We can exclude the existence of a perturber with mass larger than 0.6, 0.3, 0.5, 0.5, and 0.3 M-circle plus near the 1: 3, 1: 2, 2: 3, 3: 2, and 2: 1 resonances, respectively.</P>
The Safety and Efficacy of a Dietary Herbal Supplement and Gallic Acid for Weight Loss
Frank L. Greenway,Andrew T. Roberts,Corby K. Martin,Zhijun Liu,Ronald J. Amen,Eugene A. Woltering,Jennifer C. Rood,Mary K. Caruso,Ying Yu,Hui Xie 한국식품영양과학회 2007 Journal of medicinal food Vol.10 No.1
The objective of this study was to test the safety and efficacy of NT, a dietary herbal supplement made fromrhubarb, ginger, astragulus, red sage, and turmeric, combined with gallic acid (GA) to reduce food intake and cause weightloss. A total of 105 healthy subjects, 1860 years old with a body mass index of 2535 kg/m2 and on no chronic medication,were randomized to a 300 mg/1.2 g NT-GA combination, a 600 mg/2.4 g NT-GA combination, or placebo in three divideddoses daily for 24 weeks. Food intake was measured at baseline and 2 weeks, and safety parameters were followed regularly.Pharmacokinetic studies of a 200 mg/800 mg NT-GA combination and 800 g GA alone were performed with and withoutfood. There was no dose-related weight loss or reduction in food intake at the 8-week analysis, and the study was terminatedearly. Pharmacokinetic studies showed plasma levels of GA did not increase above 10 .M and were not dose-related. TheNT-GA at all concentrations was well tolerated, but was ineffective in causing weight loss or in suppressing food intake. Phar-macokinetics suggested that GA plasma levels were limited by oral absorption, and may be the reason for lack of efficacy.
DISCOVERY OF AN X-RAY-EMITTING CONTACT BINARY SYSTEM 2MASS J11201034−2201340
Hu, Chin-Ping,Yang, Ting-Chang,Chou, Yi,Liu, L.,Qian, S.-B.,Hui, C. Y.,Kong, Albert K. H.,Lin, L. C. C.,Tam, P. H. T.,Li, K. L.,Ngeow, Chow-Choong,Chen, W. P.,Ip, Wing-Huen American Astronomical Society 2016 The Astronomical journal Vol.151 No.6
<P>We report the detection of orbital modulation, a model solution, and the X-ray properties of a newly discovered contact binary, Two Micron All Sky Survey (2MASS) J11201034-2201340. We serendipitously found this X-ray point source outside the error ellipse when searching for possible X-ray counterparts of 7-ray millisecond pulsars among the unidentified objects detected by the Fermi Gamma-ray Space Telescope. The optical counterpart of the X-ray source (unrelated to the 7-ray source) was then identified using archival databases. The long-term Catalina Real-Time Transient Survey detected a precise signal with a period of P = 0.28876208 (56) days. A follow-up observation made by the Super Light Telescope of Lulin Observatory revealed the binary nature of the object. Utilizing archived photometric data of multi-band surveys, we construct the spectral energy distribution (SED), which is well fit by a K2V spectral template. The fitting result of the orbital profile using the Wilson Devinney code suggests that 2MASS J11201034-2201340 is a short-period A-type contact binary and the more massive component has a cool spot. The X-ray emission was first noted in observations made by Swift, and then further confirmed and characterized by an XMM-Newton observation. The X-ray spectrum can be described by a power law or thermal Bremsstrahlung. Unfortunately, we could not observe significant X-ray orbital modulation. Finally, according to the SED, this system is estimated to be 690 pc from Earth with a calculated X-ray intensity of (0.7 - 1.5) x 10(30) erg s(-1), which is in the expected range of an X-ray emitting contact binary.</P>