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https://www.readbyqxmd.com/read/29351229/joint-bearing-and-range-estimation-of-multiple-objects-from-time-frequency-analysis
#1
Jeng-Cheng Liu, Yuang-Tung Cheng, Hsien-Sen Hung
Direction-of-arrival (DOA) and range estimation is an important issue of sonar signal processing. In this paper, a novel approach using Hilbert-Huang transform (HHT) is proposed for joint bearing and range estimation of multiple targets based on a uniform linear array (ULA) of hydrophones. The structure of this ULA based on micro-electro-mechanical systems (MEMS) technology, and thus has attractive features of small size, high sensitivity and low cost, and is suitable for Autonomous Underwater Vehicle (AUV) operations...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29346655/does-the-additional-component-of-calf-circumference-refine-metabolic-syndrome-in-correlating-with-cardiovascular-risk
#2
Chen-Jung Wu, Tung-Wei Kao, Yaw-Wen Chang, Tao-Chun Peng, Li-Wei Wu, Hui-Fang Yang, Wei-Liang Chen
Context: Calf circumference (CC) was a useful anthropometric tool, but there was limited study on the effect of CC on metabolic syndrome (MetS) for cardiovascular risk. Objective: The objective of our study was to determine whether additional component of CC refined MetS in correlating with cardiovascular, all-cause and cancer mortality. Design, Setting, Patients, and Interventions: From the 1999-2002 NHANES dataset, we analyzed four types of MetS: WaistMetS (increased waist circumference and ≥ two of four MetS components), CalfMetS (decreased CC and ≥ two of four MetS components), WCRMetS (increased waist-to-calf ratio and ≥ two of four MetS components), and CC plus MetS (decreased CC and ≥ three of five MetS components)...
January 15, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29346572/analysis-of-experience-regulated-transcriptome-and-imprintome-during-critical-periods-of-mouse-visual-system-development-reveals-spatiotemporal-dynamics
#3
Chi-Lin Hsu, Chih-Hsuan Chou, Shih-Chuan Huang, Chia-Yi Lin, Meng-Ying Lin, Chun-Che Tung, Chun-Yen Lin, Ivan Pochou Lai, Yan-Fang Zou, Neil A Youngson, Shau-Ping Lin, Chang-Hao Yang, Shih-Kuo Chen, Susan Shur-Fen Gau, Hsien-Sung Huang
Visual system development is light-experience dependent, which strongly implicates epigenetic mechanisms in light-regulated maturation. Among many epigenetic processes, genomic imprinting is an epigenetic mechanism through which monoallelic gene expression occurs in a parent-of-origin-specific manner. It is unknown if genomic imprinting contributes to visual system development. We profiled the transcriptome and imprintome during critical periods of mouse visual system development under normal- and dark-rearing conditions using B6/CAST F1 hybrid mice...
January 15, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29346444/social-and-structural-barriers-for-adherence-to-methadone-maintenance-treatment-among-vietnamese-opioid-dependence-patients
#4
Bach Xuan Tran, Long Hoang Nguyen, Tung Thanh Tran, Carl A Latkin
INTRODUCTION: Methadone maintenance treatment (MMT) services may reduce the risk of HIV transmission if patients completely adhere to the treatment. Identifying adherence patterns and potential related factors is vital for the sustainability of MMT program in Vietnam. This study examined social and structural factors associated with adherence to MMT among patients in different service delivery models. MATERIALS AND METHODS: A total of 510 patients at three MMT clinics in Hanoi were interviewed...
2018: PloS One
https://www.readbyqxmd.com/read/29345917/anisotropic-assembly-of-ag52-and-ag76-nanoclusters
#5
Jia-Wei Liu, Lei Feng, Haifeng Su, Zhi Wang, Quan-Qin Zhao, Xingpo Wang, Chen-Ho Tung, Di Sun, Lan-Sun Zheng
Although there has been an upsurge of interest in anisotropic assembly of inorganic nanoparticles, atomically precise self-assembly of anisotropic (nonspherical) high-nuclearity metal clusters is extremely rare. Herein, we presented two novel silver nanoclusters, Ag52 (SD/Ag23) and Ag76 (SD/Ag24), which are interiorly templated by five MoO42- and a pair of Mo6O228- anions, respectively, and co-protected by bridging RSH and terminal diphosphine ligands exteriorly. Regiospe-cific distribution diphosphine ligands on the surface and the arrangement of multiple molybdate templates within the nanoclusters synergetically tailor their shapes to anisotropic oblate spheroid and elongated rod, respectively, as opposed to isotropic nanospheres...
January 18, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29345437/antioxidant-and-acetylcholinesterase-inhibitory-activities-of-ginger-root-zingiber-officinale-roscoe-extract
#6
Bui Thanh Tung, Dang Kim Thu, Nguyen Thi Kim Thu, Nguyen Thanh Hai
Background Zingiber officinale Roscoe has been used in traditional medicine for the treatment of neurological disorder. This study aimed to investigate the phenolic contents, antioxidant, acetylcholinesterase enzyme (AChE) inhibitory activities of different fraction of Z. officinale root grown in Vietnam. Methods The roots of Z. officinale are extracted with ethanol 96 % and fractionated with n-hexane, ethyl acetate (EtOAc) and butanol (BuOH) solvents. These fractions evaluated the antioxidant activity by 1,1-Diphenyl -2-picrylhydrazyl (DPPH) assay and AChE inhibitory activity by Ellman's colorimetric method...
May 4, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29344006/histone-deacetylase-2-hdac2-attenuates-lipopolysaccharide-lps-induced-inflammation-by-regulating-pai-1-expression
#7
Wen-Feng Fang, Yu-Mu Chen, Chiung-Yu Lin, Hui-Lin Huang, Hua Yeh, Ya-Ting Chang, Kuo-Tung Huang, Meng-Chih Lin
Background: Sepsis is a life-threatening organ dysfunction caused by dysregulated host response to infection, and is primarily characterized by an uncontrolled systemic inflammatory response. In the present study, we developed an effective adjunct therapy mediated by a novel mechanism, to attenuate overt inflammation. LPS-treated macrophages were adopted as an in vitro model of endotoxin-induced inflammation during sepsis. Experiments were carried out using primary mouse peritoneal macrophages and the murine macrophage cell line RAW264...
2018: Journal of Inflammation
https://www.readbyqxmd.com/read/29342955/pharmacokinetics-of-schizandrin-and-its-pharmaceutical-products-assessed-using-a-validated-lc-ms-ms-method
#8
Chi-Lin Li, Yung-Yi Cheng, Chen-Hsi Hsieh, Tung-Hu Tsai
Schisandra chinensis has been used as an important component in various prescriptions in traditional Chinese medicine and, more recently, in Western-based medicine for its anti-hepatotoxic effect. The aim of this study was to develop a selective, rapid, and sensitive ultra-performance liquid chromatography-tandem mass spectrometry method for pharmacokinetic studies of schizandrin in rats. Liquid-liquid extraction was used for plasma sample preparation. A UHPLC reverse-phase C18e column (100 mm × 2.1 mm, 2 μm) coupled with a mobile phase of methanol-0...
January 15, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29340241/risk-factors-for-osteoporosis-in-male-patients-with-chronic-obstructive-pulmonary-disease-in-taiwan
#9
Chu-Hsu Lin, Kai-Hua Chen, Chien-Min Chen, Chia-Hao Chang, Tung-Jung Huang, Chia-Hung Lin
Objective: To investigate the risk factors for osteoporosis in male Taiwanese patients with chronic obstructive pulmonary disease (COPD). Methods: This cross-sectional study evaluated male COPD outpatients and age-matched male subjects at a regional teaching hospital. The following data were obtained and analyzed: bone mineral density of the lumbar spine and hip on dual-energy X-ray absorptiometry, demographic characteristics, questionnaire interview results, pulmonary function test results, chest posterior-anterior radiographic findings, and biochemical and high-sensitivity C-reactive protein (hs-CRP) levels...
2018: PeerJ
https://www.readbyqxmd.com/read/29340106/a-maternal-high-fat-diet-during-pregnancy-and-lactation-in-addition-to-a-postnatal-high-fat-diet-leads-to-metabolic-syndrome-with-spatial-learning-and-memory-deficits-beneficial-effects-of-resveratrol
#10
Shih-Wen Li, Hong-Ren Yu, Jiunn-Ming Sheen, Mao-Meng Tiao, You-Lin Tain, I-Chun Lin, Yu-Ju Lin, Kow-Aung Chang, Ching-Chou Tsai, Li-Tung Huang
We tested the hypothesis that high-fat diet consumption during pregnancy, lactation, and/or post weaning, altered the expression of molecular mediators involved in hippocampal synaptic efficacy and impaired spatial learning and memory in adulthood. The beneficial effect of resveratrol was assessed. Dams were fed a rat chow diet or a high-fat diet before mating, during pregnancy, and throughout lactation. Offspring were weaned onto either a rat chow or a high-fat diet. Four experimental groups were generated, namely CC, HC, CH, and HH (maternal chow diet or high-fat diet; postnatal chow diet or high-fat diet)...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29337430/corrigendum-interband-absorption-enhanced-optical-activity-in-discrete-au-ag-core-shell-nanocuboids-probing-extended-helical-conformation-of-chemisorbed-cysteine-molecules
#11
Zhi Yong Bao, Wei Zhang, Yong-Liang Zhang, Jijun He, Jiyan Dai, Chi-Tung Yeung, Ga-Lai Law, Dang Yuan Lei
No abstract text is available yet for this article.
January 22, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29335522/pyruvate-kinase-m2-promotes-pancreatic-ductal-adenocarcinoma-invasion-and-metastasis-through-phosphorylation-and-stabilization-of-pak2-protein
#12
Tsu-Yao Cheng, Yi-Chieh Yang, Hsiu-Po Wang, Yu-Wen Tien, Chia-Tung Shun, Hsin-Yi Huang, Michael Hsiao, Kuo-Tai Hua
Pyruvate kinase muscle isozymes (PKMs) have crucial roles in regulating metabolic changes during carcinogenesis. A switch from PKM1 to PKM2 isoform was thought to lead to aerobic glycolysis promoting carcinogenesis, and was considered as one of the cancer signatures. However, recent evidence has argued against the existence of PKM isoform switch and related metabolic effects during cancer progression. We compared the effects of PKM1 and PKM2 in cell invasiveness and metastasis of pancreatic ductal adenocarcinoma (PDAC)...
January 16, 2018: Oncogene
https://www.readbyqxmd.com/read/29335352/discrete-modules-and-mesoscale-functional-circuits-for-thermal-nociception-within-primate-s1-cortex
#13
Pai-Feng Yang, Ruiqi Wu, Tung-Lin Wu, Zhaoyue Shi, Li Min Chen
This study addresses one long-standing question of whether functional separations are preserved for somatosensory modalities of touch, heat and cold nociception within primate primary somatosensory (S1) cortex. This information is critical for understanding how the nature of pain is represented in the primate brain. Using a combination of submillimeter-resolution fMRI and microelectrode local field potential (LFP) and spike recordings, we identified spatially-segregated cortical zones for processing touch, nociceptive heat and cold stimuli in somatotopically appropriate areas 3a, 3b, 1, and 2 of S1 in male monkeys...
January 15, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29334097/artificial-light-harvesting-supramolecular-polymeric-nanoparticles-formed-by-pillar-5-arene-based-host-guest-interaction
#14
Cai-Li Sun, Hui-Qing Peng, Li-Ya Niu, Yu-Zhe Chen, Li-Zhu Wu, Chen-Ho Tung, Qing-Zheng Yang
Artificial light-harvesting nanoparticles were prepared from supramolecular polymers comprised of pillar[5]arene with anthracene-derived donors and acceptors through host-guest interactions. The resulting water-dispersible nanoparticles displayed efficient energy transfer and excellent light harvesting ability in part because the steric bulk of pillar[5]arene suppressed the self-quenching of the chromophores.
January 15, 2018: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29332979/standardized-maximim-d-optimal-designs-for-enzyme-kinetic-inhibition-models
#15
Ping-Yang Chen, Ray-Bing Chen, Heng-Chin Tung, Weng Kee Wong
Locally optimal designs for nonlinear models require a single set of nominal values for the unknown parameters. An alternative is the maximin approach that allows the user to specify a range of values for each parameter of interest. However, the maximin approach is difficult because we first have to determine the locally optimal design for each set of nominal values before maximin types of optimal designs can be found via a nested optimization process. We show that particle swarm optimization (PSO) techniques can solve such complex optimization problems effectively...
October 15, 2017: Chemometrics and Intelligent Laboratory Systems
https://www.readbyqxmd.com/read/29332468/local-radiotherapy-affects-drug-pharmacokinetics-exploration-of-a-neglected-but-significant-uncertainty-of-cancer-therapy
#16
Yu-Jen Chen, Tung-Hu Tsai, Li-Ying Wang, Chen-Hsi Hsieh
PURPOSE: Concurrent chemoradiation therapy is the mainstay of treatment for many types of malignancies. However, concurrent chemoradiation therapy is associated with a greater number of systemic adverse effects than radiotherapy or chemotherapy alone. SUMMARY: Pharmacokinetics is the study of a drug and/or its metabolite kinetics in the body, including absorption, distribution, metabolism, and elimination. The incidences of adverse effects are markedly higher in patients who receive concurrent chemoradiation therapy than in those who receive either radiotherapy or chemotherapy alone...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29332236/child-desire-among-men-and-women-living-with-hiv-aids-in-the-traditional-culture-of-vietnam
#17
Bach Xuan Tran, Ha Dai Duong, Anh Quynh Nguyen, Linh Dieu Pham, Tung Thanh Tran, Carl A Latkin
In various settings, heterogeneity in fertility rates among HIV-affected couples highlights the importance of understanding contextual factors to inform program planning and implementation. We interviewed 1016 patients with HIV/AIDS at seven clinics in Vietnam to assess their desire to have a(nother) child and willingness to pay (WTP) for prevention of mother to child transmission (PMTCT) services. One-fifth of participants reported their desire for a(another) child and this was slightly higher among men than women...
January 13, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29330135/apbb2-is-associated-with-amphetamine-use-and-plasma-beta-amyloids-in-patients-receiving-methadone-maintenance-treatment
#18
Chia-Chen Liu, Chiu-Ping Fang, Tung-Hsia Liu, Hsiang-Wei Kuo, Shu Chi Liu, Sheng-Chang Wang, Andrew C H Chen, Yu-Li Liu
APBB2, amyloid beta (A4) precursor protein-binding family B member 2, has been reported to be associated with opioid dependence. In this study, we reported the first time that the genetic variants in the APBB2 gene were associated with use of amphetamine in opioid dependent patients undergoing methadone maintenance treatment (MMT). 344 heroin-dependent patients undergoing MMT were recruited and assessed for use of amphetamine and opioids by urine toxicology, withdrawal severity, and side effects. DNAs were genome-widely genotyped for all patients...
January 9, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29329326/utilization-of-peptide-phage-display-to-investigate-hotspots-on-il-17a-and-what-it-means-for-drug-discovery
#19
Joey P Ting, Frances Tung, Stephen Antonysamy, Stephen Wasserman, Spencer B Jones, Feiyu F Zhang, Alfonso Espada, Howard Broughton, Michael J Chalmers, Michael E Woodman, Holly A Bina, Jeffrey A Dodge, Jordi Benach, Aiping Zhang, Christopher Groshong, Danalyn Manglicmot, Marijane Russell, Sepideh Afshar
To date, IL-17A antibodies remain the only therapeutic approach to correct the abnormal activation of the IL-17A/IL-17R signaling complex. Why is it that despite the remarkable success of IL-17 antibodies, there is no small molecule antagonist of IL-17A in the clinic? Here we offer a unique approach to address this question. In order to understand the interaction of IL-17A with its receptor, we combined peptide discovery using phage display with HDX, crystallography, and functional assays to map and characterize hot regions that contribute to most of the energetics of the IL-17A/IL-17R interaction...
2018: PloS One
https://www.readbyqxmd.com/read/29329243/characteristics-of-beidou-navigation-satellite-system-multipath-and-its-mitigation-method-based-on-kalman-filter-and-rauch-tung-striebel-smoother
#20
Qiuzhao Zhang, Wei Yang, Shubi Zhang, Xin Liu
Global Navigation Satellite System (GNSS) carrier phase measurement for short baseline meets the requirements of deformation monitoring of large structures. However, the carrier phase multipath effect is the main error source with double difference (DD) processing. There are lots of methods to deal with the multipath errors of Global Position System (GPS) carrier phase data. The BeiDou navigation satellite System (BDS) multipath mitigation is still a research hotspot because the unique constellation design of BDS makes it different to mitigate multipath effects compared to GPS...
January 12, 2018: Sensors
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