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https://www.readbyqxmd.com/read/28805650/the-status-of-varying-constants-a-review-of-the-physics-searches-and-implications
#1
Carlos J A P Martins
The observational evidence for the recent acceleration of the universe demonstrates that canonical theories of cosmology and particle physics are incomplete-if not incorrect-and that new physics is out there, waiting to be discovered. A key task for the next generation of laboratory and astrophysical facilities is to search for, identify and ultimately characterize this new physics. Here we highlight recent developments in tests of the stability of nature's fundamental couplings, which provide a direct handle on new physics: a detection of variations will be revolutionary, but even improved null results provide competitive constraints on a range of cosmological and particle physics paradigms...
August 14, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28802019/effects-of-ultrasound-treatment-on-physicochemical-functional-properties-and-antioxidant-activity-of-whey-protein-isolate-in-the-presence-of-calcium-lactate
#2
Zhanmei Jiang, Kun Yao, Xiangying Yuan, Zhishen Mu, Zengli Gao, Juncai Hou, Lianzhou Jiang
BACKGROUND: The aim of this study was to investigate the effects of ultrasound applied at various powers (0, 200, 400, 600 or 800 W) and for different times (20 or 40 min) on the physicochemical, functional properties and antioxidant activities of whey protein isolate (WPI) dispersions in the presence of 1.20 mmol L(-1) calcium lactate. RESULTS: Surface hydrophobicity and free sulfhydryl group of the WPI dispersions containing 1.2 mmol L(-1) calcium lactate were significantly enhanced after sonication...
August 12, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28801566/influence-of-temperature-on-methane-hydrate-formation
#3
Peng Zhang, Qingbai Wu, Cuicui Mu
During gas hydrate formation process, a phase transition of liquid water exists naturally, implying that temperature has an important influence on hydrate formation. In this study, methane hydrate was formed within the same media. The experimental system was kept at 1.45, 6.49, and 12.91 °C respectively, and then different pressurization modes were applied in steps. We proposed a new indicator, namely the slope of the gas flow rates against time (dν g /dt), to represent the intrinsic driving force for hydrate formation...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801455/correction-for-chen-et-al-nuclear-export-of-smads-by-ranbp3l-regulates-bone-morphogenetic-protein-signaling-and-mesenchymal-stem-cell-differentiation
#4
Fenfang Chen, Xia Lin, Pinglong Xu, Zhengmao Zhang, Yanzhen Chen, Chao Wang, Jiahuai Han, Bin Zhao, Mu Xiao, Xin-Hua Feng
No abstract text is available yet for this article.
September 1, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28801083/halsted-s-see-one-do-one-and-teach-one-versus-peyton-s-four-step-approach-a-randomized-trial-for-training-of-laparoscopic-suturing-and-knot-tying
#5
Philipp Romero, Patrick Gu Nther, Karl-Friedrich Kowalewski, Mirco Friedrich, Mona W Schmidt, Sarah M Trent, Javier R De La Garza, Beat P Mu Ller-Stich, Felix Nickel
BACKGROUND: This study aimed to compare the effectiveness of Halsted's method "see one, do one, and teach one" with Peyton's Four-Step Approach for teaching intracorporal suturing and knot tying (ICKT). METHODS: Laparoscopically naïve medical students (n = 60) were randomized to teaching of ICKT with either Halsted's (n = 30) or Peyton's method (n = 30) for 60 minutes. Each student's first 3 and final sutures were evaluated using Objective Structured Assessment of Technical Skills (OSATS), procedural implementation, knot quality, total time, and suture placement accuracy...
August 8, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28799976/effect-of-gene-gene-and-gene-environment-interactions-associated-with-antituberculosis-drug-induced-hepatotoxicity
#6
Julián G Chamorro, Jorge P Castagnino, Omar Aidar, Rosa M Musella, Ana Frías, Mabel Visca, Mabel Nogueras, Lucas Costa, Alessandro Perez, Fabio Caradonna, Gabriela F de Larrañaga
OBJECTIVES: This study evaluated the association between environmental factors and genetic variations in enzymes that metabolize antituberculosis (anti-TB) drugs [arylamine N-acetyltransferase 2, cytochrome P450 2E1 (CYP2E1), glutathione S-transferase theta 1 (GSTT1), and glutathione S-transferase mu 1] with antituberculosis drug-induced hepatotoxicity (ATDH). We also investigated the potential gene-gene and gene-environment interactions as well as their association with ATDH development in a population of hospitalized TB patients from Buenos Aires...
August 9, 2017: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/28799925/investigation-of-phosphate-removal-from-aqueous-solution-by-both-coal-gangues
#7
Wei Ding, Shuqin Bai, Haorong Mu, Gaowa Naren
Equilibrium studies were carried out for the adsorption of phosphate onto newly discharged coal gangue and spontaneous combustion coal gangue, which are industrial solid residues. The experimental data were fitted to the two-parameter equations of Freundlich, Langmuir, Temkin, and Dubinin-Radushkevich and the three-parameter equations of the Redlich-Peterson, Sips and Toth isotherms by non-linear method. All three-parameter isotherm equations have a higher correlation coefficient than the two-parameter isotherm equations...
August 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28799608/understanding-the-graphitization-and-growth-of-free-standing-nanocrystalline-graphene-using-in-situ-transmission-electron-microscopy
#8
C N Shyam Kumar, Venkata Sai Kiran Chakravadhanula, Adnan Riaz, Simone Dehm, Di Wang, Xiaoke Mu, Benjamin Flavel, Ralph Krupke, Christian Kübel
Graphitization of polymers is an effective way to synthesize nanocrystalline graphene on different substrates with tunable shape, thickness and properties. The catalyst free synthesis results in crystallite sizes on the order of a few nanometers, significantly smaller than commonly prepared polycrystalline graphene. Even though this method provides the flexibility of graphitizing polymer films on different substrates, substrate free graphitization of freestanding polymer layers has not been studied yet. We report for the first time the thermally induced graphitization and domain growth of free-standing nanocrystalline graphene thin films using in situ TEM techniques...
August 11, 2017: Nanoscale
https://www.readbyqxmd.com/read/28798677/measurement-of-the-perception-of-control-during-continuous-movement-using-electroencephalography
#9
Wen Wen, Atsushi Yamashita, Hajime Asama
"Sense of control" refers to the subjective feeling of control over external events. Numerous neuropsychological studies have investigated the neural basis of the sense of control during action performance; however, most previous studies have focused on responses to a single discrete action outcome rather than real-time processing of action-outcome sequences. In the present study, we aimed to identify whether certain patterns of brain activation are associated with the perceived control during continuous movement...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28798303/understanding-the-molecular-basis-of-agonist-antagonist-mechanism-of-human-mu-opioid-receptor-through-gaussian-accelerated-molecular-dynamics-method
#10
Yeng-Tseng Wang, Yang-Hsiang Chan
The most powerful analgesic and addictive properties of opiate alkaloids are mediated by the μ opioid receptor (MOR). The MOR has been extensively investigated as a drug target in the twentieth century, with numerous compounds of varying efficacy being identified. We employed molecular dynamics and Gaussian accelerated molecular dynamics techniques to identify the binding mechanisms of MORs to BU72 (agonist) and β-funaltrexamine (antagonist). Our approach theoretically suggests that the 34 residues (Lys209-Phe221 and Ile301-Cys321) of the MORs were the key regions enabling the two compounds to bind to the active site of the MORs...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28796819/risk-score-based-on-ten-lncrna-mrna-expression-predicts-the-survival-of-stage-ii-iii-colorectal-carcinoma
#11
Ruigang Diao, Xiaodong Mu, Tingting Wang, Shuqing Li
The prognosis of colorectal carcinoma (CRC) is unstable in the stage II-III patients. Patients with early stage II CRC have a relative poor prognosis while other stage III CRC patients have a better prognosis. In our work, by utilizing the expression of lncRNAs and mRNAs measured by microarray (GSE39582), we constructed a risk score staging system with Cox multivariate regression model to predict the outcome of grade II-III CRC patients. Ten genes including two lncRNAs and eight mRNAs were used to estimate the survival of stage II-III CRC patients...
2017: PloS One
https://www.readbyqxmd.com/read/28796619/unsupervised-t-distributed-video-hashing-and-its-deep-hashing-extension
#12
Yanbin Hao, Tingting Mu, John Y Goulermas, Jianguo Jiang, Richang Hong, Meng Wang
In this work, a novel unsupervised hashing algorithm, referred to as t-USMVH, and its extension to unsupervised deep hashing, referred to as t-UDH, are proposed to support large-scale video-to-video retrieval. To improve robustness of the unsupervised learning, t-USMVH combines multiple types of feature representations and effectively fuses them by examining a continuous relevance score based on a Gaussian estimation over pairwise distances, and also a discrete neighbor score based on the cardinality of reciprocal neighbors...
August 7, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28796483/placement-of-hydroxy-moiety-on-pendant-of-peptidomimetic-scaffold-modulates-mu-and-kappa-opioid-receptor-efficacy
#13
Aubrie A Harland, Irina D Pogozheva, Nicholas W Griggs, Tyler J Trask, John R Traynor, Henry I Mosberg
In an effort to expand the structure-activity relationship (SAR) studies of a series of mixed-efficacy opioid ligands, peptidomimetics that incorporate methoxy and hydroxy groups around a benzyl or 2-methylindanyl pendant on a tetrahydroquinoline (THQ) core of the peptidomimetics were evaluated. Compounds containing a methoxy or hydroxy moiety in the o- or m- positions increased binding affinity to the kappa opioid receptor (KOR), whereas compounds containing methoxy or hydroxy groups in the p- position decreased KOR affinity and reduced or eliminated efficacy at the mu opioid receptor (MOR)...
August 10, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28796105/overexpression-of-glypican-3-promotes-proliferation-regulates-cell-cycle-progression-and-inhibits-apoptosis-of-human-fetal-osteoblastic-cell-line-1-19
#14
Tianyi Cai, Yingzhi Wu, Ronghu Ke, Junyi Yang, Abdulsamad Ghanem, Xiongzheng Mu
Craniosynostosis is a complex disease condition, which involves premature fusion of cranial vault sutures and lacks desirable treatment. Previous studies have demonstrated decreased proliferation rate of osteoblasts and downregulated expression of glypican 3 (GPC3) in syndromic craniosynostosis patients. In this study, quantitative and qualitative analysis were utilized to assess the effect of GPC3 in human fetal osteoblastic cell line, hFOB 1.19. Lentiviral transfection efficiency with green fluorescent protein images was obtained after 72 hours...
August 8, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28796054/effects-of-early-enteral-nutrition-on-t-helper-lymphocytes-of-surgical-septic-patients-a-retrospective-observational-study
#15
Jia-Kui Sun, Shou-Tao Yuan, Xin-Wei Mu, Wen-Hao Zhang, Ying Liu, Lei Zou, Xiang Wang, Shu-Yun Zheng
The aim of this study was to investigate the effects of early enteral nutrition (EEN) on T helper lymphocytes and the subpopulations ratios of surgical septic patients.We performed a retrospective study including 107 eligible patients from February 2014 to December 2015. Patients were divided into EEN, delayed enteral nutrition (DEN), or total parenteral nutrition (TPN) group according to the duration before enteral feeding. Th1, Th2, Th17, and Treg lymphocyte percentages were collected on days 3, 7, and 14 after admission...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28796051/changes-in-ischemia-modified-albumin-in-myocardial-toxicity-induced-by-anthracycline-and-docetaxel-chemotherapy
#16
Xiao-Dong Luan, Kai-Hua Zhao, Hong Hou, Yan-Hong Gai, Qi-Tang Wang, Qiang Mu, Yue Wan
This study aims to evaluate differences in myocardial toxicity induced by different chemotherapy regimens. Patients were divided into 2 groups: epirubicin (EPI) combined with cyclophosphamide (EC) group and docetaxel combined with cyclophosphamide (TC) group. Changes in electrocardiograph (ECG) and ischemia-modified albumin (IMA) were determined pre- and 1, 3, and 6 courses of postchemotherapy. After the first course of chemotherapy, there was no significant difference in ECG and abnormal IMA incidence rates between the TC groups and EC groups (P > ...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28795389/anti-nociceptive-effect-of-patchouli-alcohol-involving-attenuation-of-cyclooxygenase-2-and-modulation-of-mu-opioid-receptor
#17
Xuan Yu, Xin-Pei Wang, Xiao-Jin Yan, Jing-Fei Jiang, Fan Lei, Dong-Ming Xing, Yue-Ying Guo, Li-Jun Du
OBJECTIVE: To explore the anti-nociceptive effect of patchouli alcohol (PA), the essential oil isolated from Pogostemon cablin (Blanco) Bent, and determine the mechanism in molecular levels. METHODS: The acetic acid-induced writhing test and formalin-induced plantar injection test in mice were employed to confifirm the effect in vivo. Intracellular calcium ion was imaged to verify PA on mu-opioid receptor (MOR). Cyclooxygenase 2 (COX2) and MOR of mouse brain were expressed for determination of PA's target...
August 9, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28794284/genomic-profiling-of-er-breast-cancers-after-short-term-estrogen-suppression-reveals-alterations-associated-with-endocrine-resistance
#18
Jennifer M Giltnane, Katherine E Hutchinson, Thomas P Stricker, Luigi Formisano, Christian D Young, Monica V Estrada, Mellissa J Nixon, Liping Du, Violeta Sanchez, Paula Gonzalez Ericsson, Maria G Kuba, Melinda E Sanders, Xinmeng J Mu, Eliezer M Van Allen, Nikhil Wagle, Ingrid A Mayer, Vandana Abramson, Henry Gόmez, Monica Rizzo, Weiyi Toy, Sarat Chandarlapaty, Erica L Mayer, Jason Christiansen, Danielle Murphy, Kerry Fitzgerald, Kai Wang, Jeffrey S Ross, Vincent A Miller, Phillip J Stephens, Roman Yelensky, Levi Garraway, Yu Shyr, Ingrid Meszoely, Justin M Balko, Carlos L Arteaga
Inhibition of proliferation in estrogen receptor-positive (ER(+)) breast cancers after short-term antiestrogen therapy correlates with long-term patient outcome. We profiled 155 ER(+)/human epidermal growth factor receptor 2-negative (HER2(-)) early breast cancers from 143 patients treated with the aromatase inhibitor letrozole for 10 to 21 days before surgery. Twenty-one percent of tumors remained highly proliferative, suggesting that these tumors harbor alterations associated with intrinsic endocrine therapy resistance...
August 9, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28793301/high-expression-of-ahsp-epb42-gypc-and-hemgn-predicts-favorable-prognosis-in-flt3-itd-negative-acute-myeloid-leukemia
#19
Gang-Zhi Zhu, Yong-Long Yang, Yan-Jiao Zhang, Wei Liu, Mu-Peng Li, Wen-Jing Zeng, Xie-Lan Zhao, Xiao-Ping Chen
BACKGROUND/AIMS: Acute myeloid leukemia (AML) is a heterogeneous clonal disease and patients with AML who harbor an FMS-like tyrosine kinase 3 (FLT3) mutation present several dilemmas for the clinician. This study aims to identify novel targets for explaining the dilemmas. METHODS: We analyzed four microarray gene expression profiles to investigate changes in whole genome expression associated with FLT3-ITD mutation. RESULTS: We identified 22 differentially expressed genes which are commonly expressed among all four profiles...
August 9, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28792726/single-crystalline-3c-sic-anodically-bonded-onto-glass-an-excellent-platform-for-high-temperature-electronics-and-bio-applications
#20
Hoang-Phuong Phan, Han-Hao Cheng, Toan Khac Dinh, Barry Wood, Tuan-Khoa Nguyen, Fengwen Mu, Harshad Kamble, Raja Vadivelu, Glenn Walker, Leonie Hold, Alan Iacopi, Ben Haylock, Dzung Viet Dao, Mirko Lobino, Tadatomo Suga, Nam-Trung Nguyen
Single crystal cubic silicon carbide has attracted great attention for MEMS and electronic devices. However, current leakage at the SiC/Si junction at high temperatures and visible light absorption of the Si substrate are main obstacles hindering the use of the platform in a broad range of applications. To solve these bottlenecks, we present a new platform of single crystal SiC on an electrically-insulating and transparent substrate using an anodic bonding process. The SiC thin film was prepared on a 150 mm Si with a surface roughness of 7 nm using LPCVD...
August 9, 2017: ACS Applied Materials & Interfaces
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