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https://www.readbyqxmd.com/read/28813029/joint-mobile-data-collection-and-wireless-energy-transfer-in-wireless-rechargeable-sensor-networks
#1
Ping Zhong, Ya-Ting Li, Wei-Rong Liu, Gui-Hua Duan, Ying-Wen Chen, Neal Xiong
In wireless rechargeable sensor networks (WRSNs), there is a way to use mobile vehicles to charge node and collect data. It is a rational pattern to use two types of vehicles, one is for energy charging, and the other is for data collecting. These two types of vehicles, data collection vehicles (DCVs) and wireless charging vehicles (WCVs), are employed to achieve high efficiency in both data gathering and energy consumption. To handle the complex scheduling problem of multiple vehicles in large-scale networks, a twice-partition algorithm based on center points is proposed to divide the network into several parts...
August 16, 2017: Sensors
https://www.readbyqxmd.com/read/28812994/organ-organ-crosstalk-and-alcoholic-liver-disease
#2
REVIEW
Lauren G Poole, Christine E Dolin, Gavin E Arteel
Alcohol consumption is a common custom worldwide, and the toxic effects of alcohol on several target organs are well-understood. Given the poor prognosis of treating clinically-relevant alcoholic liver disease (ALD) (i.e., alcoholic hepatitis (AH) and cirrhosis), additional research is required to develop more effective therapies. While the stages of ALD have been well-characterized, targeted therapies to prevent or reverse this process in humans are still needed. Better understanding of risk factors and mechanisms underlying disease progression can lead to the development of rational therapies to prevent or reverse ALD in the clinic...
August 16, 2017: Biomolecules
https://www.readbyqxmd.com/read/28812841/university-of-global-health-equity-s-contribution-to-the-reduction-of-education-and-health-services-rationing
#3
EDITORIAL
Agnes Binagwaho
The inadequate supply of health workers and demand-side barriers due to clinical practice that heeds too little attention to cultural context are serious obstacles to achieving universal health coverage and the fulfillment of the human rights to health, especially for the poor and vulnerable living in remote rural areas. A number of strategies have been deployed to increase both the supply of healthcare workers and the demand for healthcare services. However, more can be done to improve service delivery as well as mitigate the geographic inequalities that exist in this field...
May 29, 2017: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28812765/rational-design-of-polymeric-core-shell-ratiometric-oxygen-sensing-nanostructures
#4
Aisling Byrne, Jaco Jacobs, Christopher S Burke, Aaron Martin, Andreas Heise, Tia E Keyes
A new approach for the fabrication of luminescent ratiometric sensing nanosensors is described using core-shell nanoparticles in which the probe and reference are spatially separated into the shell and core of the nanostructure respectively. The isolation of the reference in the core of the particle ensures a stable emission reference signal unaffected by the external environment. The core shell structure was prepared by engineering structurally well-defined Ru-conjugated block copolymers which acted as emulsifiers in the miniemulsion polymerisation of BODIPY loaded styrene nanoparticles...
August 16, 2017: Analyst
https://www.readbyqxmd.com/read/28812687/community-structure-follows-simple-assembly-rules-in-microbial-microcosms
#5
Jonathan Friedman, Logan M Higgins, Jeff Gore
Microorganisms typically form diverse communities of interacting species, whose activities have tremendous impact on the plants, animals and humans they associate with. The ability to predict the structure of these complex communities is crucial to understanding and managing them. Here, we propose a simple, qualitative assembly rule that predicts community structure from the outcomes of competitions between small sets of species, and experimentally assess its predictive power using synthetic microbial communities composed of up to eight soil bacterial species...
March 27, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812347/rational-design-of-polymeric-nanoparticles-with-tailorable-biomedical-functions-for-cancer-therapy
#6
Wenhai Lin, Wei Zhang, Tingting Sun, Shi Liu, Yu Zhu, Zhigang Xie
Polymeric nanoparticles (NPs) play a key role in nanoscale formulations for bioimaging, cancer treatment and theranostics. In this work, we designed and synthesized a series of hydrophobic polymers (P1-6) with different pendent groups via one-step multicomponent Passerini reaction. These polymers possessed similar molecular structures and various biomedical functions. Interestingly, they could self-assemble into stable NPs in aqueous media. All formed NPs were redox-sensitive because of the existence of disulfide bonds in the backbone...
August 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28812151/high-clinical-impact-and-diagnostic-accuracy-of-eus-guided-biopsy-sampling-of-subepithelial-lesions-a-prospective-comparative-study
#7
Per Hedenström, Hanns-Ulrich Marschall, Bengt Nilsson, Akif Demir, Björn Lindkvist, Ola Nilsson, Riadh Sadik
BACKGROUND: In a tertiary center setting we aimed to study the diagnostic accuracy and clinical impact of EUS-guided biopsy sampling (EUS-FNB) with a reverse bevel needle compared with that of fine needle aspiration (EUS-FNA) in the work-up of subepithelial lesions (SEL). METHODS: All patients presenting with SELs referred for EUS-guided sampling were prospectively included in 2012-2015. After randomization of the first pass modality, dual sampling with both EUS-FNB and EUS-FNA was performed in each lesion...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28811636/mussel-inspired-polynorepinephrine-functionalized-electrospun-polycaprolactone-microfibers-for-muscle-regeneration
#8
Ying Liu, Guoqiang Zhou, Zhu Liu, Mengyu Guo, Xiumei Jiang, Mehmet Berat Taskin, Zhongyang Zhang, Jing Liu, Jinglong Tang, Ru Bai, Flemming Besenbacher, Menglin Chen, Chunying Chen
Electrospun scaffolds with excellent mechanical properties, high specific surface area and a commendable porous network are widely used in tissue engineering. Improving the hydrophilicity and cell adhesion of hydrophobic substrates is the key point to enhance the effectiveness of electrospun scaffolds. In this study, polycaprolactone (PCL) fibrous membranes with appropriate diameter were selected and coated by mussel-inspired poly norepinephrine (pNE). And norepinephrine is a catecholamine functioning as a hormone and neurotransmitter in the human brain...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811373/friction-law-and-hysteresis-in-granular-materials
#9
E DeGiuli, M Wyart
The macroscopic friction of particulate materials often weakens as the flow rate is increased, leading to potentially disastrous intermittent phenomena including earthquakes and landslides. We theoretically and numerically study this phenomenon in simple granular materials. We show that velocity weakening, corresponding to a nonmonotonic behavior in the friction law, [Formula: see text], is present even if the dynamic and static microscopic friction coefficients are identical, but disappears for softer particles...
August 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28811184/experimental-cocrystal-screening-and-solution-based-scale-up-cocrystallization-methods
#10
REVIEW
Maria Malamatari, Steven A Ross, Dennis Douroumis, Sitaram P Velaga
Cocrystals are crystalline single phase materials composed of two or more different molecular and/or ionic compounds generally in a stoichiometric ratio which are neither solvates nor simple salts. If one of the components is an active pharmaceutical ingredient (API), the term pharmaceutical cocrystal is often used. There is a growing interest among drug development scientists in exploring cocrystals, as means to address physicochemical, biopharmaceutical and mechanical properties and expand solid form diversity of the API...
August 12, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28810897/cost-of-hospitalization-for-childbirth-in-india-how-equitable-it-is-in-the-post-nrhm-era
#11
Jaya Prasad Tripathy, Hemant D Shewade, Sanskruti Mishra, A M V Kumar, A D Harries
BACKGROUND AND OBJECTIVE: Information on out-of-pocket (OOP) expenditure during childbirth in public and private health facilities in India is needed to make rational decisions for improving affordability to maternal care services. We undertook this study to evaluate the OOP expenditure due to hospitalization from childbirth and its impact on households. METHODS: This is a secondary data analysis of a nationwide household survey by the National Sample Survey Organization in 2014...
August 15, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28810494/development-and-validation-of-a-smoking-rationalization-scale-for-male-smokers-in-china
#12
Xinyuan Huang, Wenjie Fu, Haiying Zhang, Hong Li, Xiaoxia Li, Yong Yang, Fan Wang, Junling Gao, Pinpin Zheng, Hua Fu, Ding Ding, Simon Chapman
The purpose of this study is to develop a smoking rationalization scale for Chinese male smokers. A total of 35 focus groups and 19 one-on-one interviews were conducted to collect items of the scale. Exploratory factor analyses and confirmatory factor analyses were conducted to identify the underlying structure of the scale. Results found a 26-item scale within six dimensions (smoking functional beliefs, risk generalization beliefs, social acceptability beliefs, safe smoking beliefs, self-exempting beliefs, and quitting is harmful beliefs)...
July 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810119/conformational-flexibility-of-the-benzyl-guanine-adduct-in-a-bypass-polymerase-active-site-permits-replication-insights-from-molecular-dynamics-simulations
#13
Katie A Wilson, Stacey D Wetmore
Although translesion synthesis (TLS) polymerases play key roles in replicating DNA that contains nucleobase addition products (adducts), there are many unknowns about their function. The present work gains indispensable structural insights from molecular dynamics simulations on the replication of O6-benzyl-guanine (Bz-dG) prior to bond formation during dCTP insertion opposite the adduct by Dpo4. When combined with previous X-ray crystal structures of the Bz-dG extension complex, molecular details are now available for each stage during a single TLS replication cycle for this carcinogenic lesion...
August 15, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28810073/implications-of-pseudologia-fantastica-in-criminal-forensic-evaluations-a-review-and-case-report
#14
Richard L Frierson, Kaustubh G Joshi
Pseudologia fantastica, a psychological phenomenon that has been described in the literature for at least a century, is an understudied and poorly understood entity. Sometimes referred to as pathological lying, pseudologia fantastica involves disproportionate fabrication that may be present for many years or a lifetime. In a forensic context, it can significantly complicate the evaluation of capacity to stand trial and, in certain jurisdictions, criminal responsibility. We review the current literature regarding pseudologia fantastica and present a case to highlight the clinical and forensic challenges it may create...
August 15, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28810062/the-association-between-patient-attitudes-and-values-and-the-strength-of-consideration-for-contralateral-prophylactic-mastectomy-in-a-population-based-sample-of-breast-cancer-patients
#15
Sarah T Hawley, Kent A Griffith, Ann S Hamilton, Kevin C Ward, Monica Morrow, Nancy K Janz, Steven J Katz, Reshma Jagsi
BACKGROUND: Little is known about how the individual decision styles and values of breast cancer patients at the time of treatment decision making are associated with the consideration of different treatment options and specifically with the consideration of contralateral prophylactic mastectomy (CPM). METHODS: Newly diagnosed patients with early-stage breast cancer who were treated in 2013-2014 were identified through the Surveillance, Epidemiology, and End Results registries of Los Angeles and Georgia and were surveyed approximately 7 months after surgery (n = 2578; response rate, 71%)...
August 15, 2017: Cancer
https://www.readbyqxmd.com/read/28809980/stimuli-responsive-nlo-properties-of-tetrathiafulvalene-fused-donor-acceptor-chromophores
#16
E Cariati, X Liu, Y Geng, A Forni, E Lucenti, S Righetto, S Decurtins, S-X Liu
The second-order nonlinear optical (NLO) properties of two tetrathiafulvalene (TTF)-fused electron donor-acceptor dyads have been determined using the Electric Field Induced Second Harmonic generation (EFISH) technique and theoretically rationalized. Dyads TTF-dppz (1) and TTF-BTD (2) were obtained by direct fusion of a TTF electron donor unit either with a dipyrido[3,2-a:2',3'-c]phenazine (dppz) or a benzothiadiazole (BTD) electron acceptor moiety. Dyad 1 acts as a reversible acido-triggered NLO switch by protonation/deprotonation at two nitrogen atoms of the dppz acceptor moiety induced by sequential exposure to HCl and ammonia vapors...
August 15, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28809555/electronic-magnetic-and-redox-properties-and-o2-reactivity-of-iron-ii-and-nickel-ii-o-semiquinonate-complexes-of-a-tris-thioether-ligand-uncovering-the-intradiol-cleaving-reactivity-of-an-iron-ii-o-semiquinonate-complex
#17
Peng Wang, Michelle M Killian, Mohamed R Saber, Tian Qiu, Glenn P A Yap, Codrina V Popescu, Joel Rosenthal, Kim R Dunbar, Thomas C Brunold, Charles G Riordan
The iron(II) semiquinonate character within the iron(III) catecholate species has been proposed by numerous studies to account for the O2 reactivity of intradiol catechol dioxygenases, but a well-characterized iron(II) semiquinonate species that exhibits intradiol cleaving reactivity has not yet been reported. In this study, a detailed electronic structure description of the first iron(II) o-semiquinonate complex, [PhTt(tBu)]Fe(phenSQ) [PhTt(tBu) = phenyltris(tert-butylthiomethyl)borate; phenSQ = 9,10-phenanthrenesemiquinonate; Wang et al...
August 15, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28809529/multiphoton-fabrication-of-fibronectin-functionalized-protein-micropatterns-stiffness-induced-maturation-of-cell-matrix-adhesions-in-human-mesenchymal-stem-cells
#18
Jiaoni Ma, Chuen Wai Li, Nan Huang, Xinna Wang, Minghui Tong, Alfonso H W Ngan, Barbara P Chan
Cell-matrix adhesions are important structures governing the interactions between cells and their microenvironment at the cell-matrix interface. Focal complex (FC) and focal adhesion (FA) have been substantially investigated in conventional 2D culture system using fibroblast as in vitro model. However, the formation of more mature types of cell-matrix adhesion in human mesenchymal stem cells (hMSCs), including fabrillar adhesion (FBA) and 3D matrix adhesion (3DMA), have not been fully elucidated. Here, we try to provide some hints on which niche factor(s) dominate(s) the maturation of FBA and 3DMA by using multiphoton fabrication-based micropatterning technique...
August 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28809485/dispersion-and-halogen-bonding-interactions-binding-of-the-axial-conformers-of-monohalo-and-%C3%A2-trans-1-2-dihalocyclohexanes-in-enantiopure-alleno-acetylenic-cages
#19
Cornelius Gropp, Tamara Husch, Nils Trapp, Markus Reiher, François Diederich
Enantiopure alleno-acetylenic cage (AAC) receptors with a resorcin[4]arene scaffold, from which four homochiral alleno-acetylenes converge to shape a cavity closed by a four-fold OH-hydrogen-bonding array, form a highly ordered porous network in the solid state. They enable the complexation and co-crystallization of otherwise non-crystalline small molecules. This paper analyzes the axial conformers of monohalo- and (±)-trans-1,2-dihalocyclohexanes, bound in the interior cavity of the AACs, on the atomic level in the solid state and in solution, accompanied by accurate calculations...
August 15, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28809439/in-silico-profiling-of-the-biological-activities-of-amaryllidaceae-alkaloids
#20
Eman Shawky
OBJECTIVES: The large number of publications about Amaryllidaceae alkaloids reflects the abundance and variety in biological activity of these alkaloids. An in-silico approach was implemented in this work to rationalize the individual alkaloids to molecular biological activity. METHODS: A database was generated containing 313 Amaryllidaceae alkaloids which were then subjected to in-silico-validated structure-based virtual screening using extra precision (XP) approach of Glide docking program...
August 15, 2017: Journal of Pharmacy and Pharmacology
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