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https://www.readbyqxmd.com/read/28805869/wrinkle-stabilized-metal-graphene-hybrid-fibers-with-zero-temperature-coefficient-of-resistance
#1
Bo Fang, Jiabin Xi, Yingjun Liu, Fan Guo, Zhen Xu, Weiwei Gao, Daoyou Guo, Peigang Li, Chao Gao
The interfacial adhesion between graphene and metals is poor, as metals tend to generate superlubricity on smooth graphene surface. This problem renders the free assembly of graphene and metals to be a big challenge, and therefore, some desired conducting properties (e.g., stable metal-like conductivities in air, lightweight yet flexible conductors, and ultralow temperature coefficient of resistance, TCR) likely being realized by integrating the merits of graphene and metals remains at a theoretical level. This work proposes a wrinkle-stabilized approach to address the poor adhesion between graphene surface and metals...
August 14, 2017: Nanoscale
https://www.readbyqxmd.com/read/28805124/migration-violence-and-the-role-of-psychiatry-in-italy
#2
Antonio Ventriglio, Antonello Bellomo, Giovanna Vitrani, Eleonora Stella, Alessandro Gentile, Dinesh Bhugra
Immigration to Italy has been increasing exponentially in the last decades due to the international political changes and conflicts in the Middle East. The relationship between immigration and crimes is a debated issue, and violent radicalization of second or third generations of migrants is under increased scrutiny. Consequently, many politicians and political parties use nationalist and xenophobic language. Inevitably, this will have an impact on reactions of the larger population, as well as that of migrants...
August 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/28804811/serum-diamine-oxidase-in-pseudoallergy-in-the-pediatric-population
#3
Joanna Kacik, Barbara Wróblewska, Sławomir Lewicki, Robert Zdanowski, Bolesław Kalicki
Histamine intolerance (pseudoallergy) is a poorly investigated type of food hypersensitivity. The main enzyme responsible for histamine degradation in the extracellular matrix is diamine oxidase (DAO). Disturbances in the concentration or activity of DAO may lead to the development of clinical signs of allergy. The aim of the present work was to assess the DAO concentration, peripheral blood morphology, lymphocytes phenotyping (CD3+, CD4+, CD8+, CD19+, NK cells, NKT cells, and activated T-cells), and natural regulatory Treg (nTregs) cell population (CD4+, CD25+, CD127low, and FoxP3) in 34 pediatric patients with histamine-dependent syndromes...
August 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28803761/an-in-silico-perspective-on-the-toxicodynamic-of-tetrodotoxin-and-analogues-a-tool-for-supporting-the-hazard-identification
#4
Luca Dellafiora, Gianni Galaverna, Chiara Dall'Asta
Tetrodotoxin (TTX) is a potent neurotoxin naturally found in terrestrial and marine animals targeting the voltage-gated sodium channels. Historically, TTX has raised food safety concerns mainly in the Asian countries due to the consumption of the typical pufferfish-derived delicacy fugu. However, the diffusion of TTX is getting wider today, reasonably threating in a close future a broader number of consumers than before. The understanding of TTX group toxicity is still incomplete as most of the analogues and metabolites found together with TTX are largely understudied...
August 10, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28803650/lipid-determination-in-bone-marrow-and-mineralized-bone-tissue-from-sample-preparation-to-improved-high-performance-thin-layer-and-liquid-chromatographic-approaches
#5
Alexandrine During
In view of their key roles in the bone physiology (e.g., in the biomineralization process) and their potential implication in bone pathologies, an approach to study lipids in situ is needed. The aim of the present paper is to propose an original procedure to characterize lipids in both bone marrow (BM) and mineralized tissue (MT) compartments, taking into consideration sample preparation, lipid extraction and analytical issues, when using small sample size (≤ 0.5g of rat femurs). The potential contamination of the MT by marrow lipids and the poor accessibility of certain lipids from the MT - two major issues in bone handling - were taking care, respectively by performing two cleaning steps after BM removal and by adding a demineralization step to the overall lipid extraction protocol...
August 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28803534/moving-rehabilitation-research-forward-developing-consensus-statements-for-rehabilitation-and-recovery-research
#6
Julie Bernhardt, Karen Borschmann, Lara Boyd, S Thomas Carmichael, Dale Corbett, Steven C Cramer, Tammy Hoffmann, Gert Kwakkel, Sean Savitz, Gustavo Saposnik, Marion Walker, Nick Ward
Stroke recovery is the next frontier in stroke medicine. While growth in rehabilitation and recovery research is exponential, a number of barriers hamper our ability to rapidly progress the field. Standardized terminology is absent in both animal and human research, methods are poorly described, recovery biomarkers are not well defined, and we lack consistent timeframes or measures to examine outcomes. Agreed methods and conventions for developing, monitoring, evaluating and reporting interventions directed at improving recovery are lacking, and current approaches are often not underpinned by biology...
August 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28803171/open-versus-minimally-invasive-surgery-for-extraforaminal-lumbar-disk-herniation-a-systematic-review-and-meta-analysis
#7
REVIEW
Oluwaseun O Akinduro, Panagiotis Kerezoudis, Mohammed Ali Alvi, Jangwon Yoon, Jamachi Eluchie, Hasan M Murad, Zhen Wang, Selby G Chen, Mohamad Bydon
INTRODUCTION: Extraforaminal disk herniation (EDH) accounts for 3-11% of all disk herniations. Despite the heterogeneity of spinal procedures, there is a paucity of literature comparing the outcomes from different surgical approaches. METHODS: We performed a systematic review and meta-analysis of available literature on EDHs. We compared patients undergoing open surgery (OS) with those undergoing minimally invasive surgery (MIS) approaches, including tubular microscopic, percutaneous endoscopic, and micro-endoscopic...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803007/associations-between-biosecurity-practices-and-bovine-digital-dermatitis-in-danish-dairy-herds
#8
Victor H S Oliveira, Jan T Sørensen, Peter T Thomsen
The relationship between biosecurity and digital dermatitis (DD) was evaluated in 8,269 cows from a convenience sample of 39 freestall dairy herds. The hypothesis was that poor implementation of biosecurity was associated with higher within-herd prevalence of DD. All lactating cows were scored as negative or positive for DD at the hind legs during milking in the milking parlor. Information about biosecurity was obtained through questionnaires addressed to farmers, on-farm observations, and information from the Danish Cattle Database (www...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28802799/a-comparative-study-of-quality-of-life-and-marital-satisfaction-in-patients-with-depression-and-their-spouses
#9
Shruti Aggarwal, Dinesh Kataria, Shiv Prasad
Spouses of patients suffering from depression experience various forms of burden. Present study assesses and compares the marital satisfaction and quality of life (QOL) of the patients and their spouses. Further it assesses these variables in terms of illness severity, duration of untreated illness (DUI) and other demographic parameters especially gender. In this cross sectional study, 50 patients diagnosed with Depressive Disorder along with their spouses were recruited. Both groups were assessed separately for marital satisfaction and QOL along with demographic details followed by appropriate statistical analysis...
August 8, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/28802776/the-psychosocial-burden-of-psoriatic-arthritis
#10
REVIEW
M Elaine Husni, Joseph F Merola, Sara Davin
OBJECTIVE: To assess the psychosocial impact of psoriatic arthritis (PsA), describe how health-related quality of life (QoL) is affected in patients with PsA, discuss measures used to evaluate the psychosocial impact of PsA, and review studies examining the effect of therapy on QoL. METHODS: A targeted review on the impact of PsA on QoL and the role of tailored psychosocial management in reducing the psychosocial burden of the disease was performed. PubMed literature searches were conducted using the terms PsA, psychosocial burden, QoL, and mood/behavioral changes...
May 20, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28802575/military-experience-can-influence-women-s-eating-habits
#11
Jessica Y Breland, Rosemary Donalson, Andrea Nevedal, Julie V Dinh, Shira Maguen
BACKGROUND: Disordered eating, ranging from occasional binge eating or restriction to behaviors associated with eating disorder diagnoses, is common among military personnel and veterans. However, there is little information on how military service affects eating habits. OBJECTIVE: To describe possible pathways between military service and disordered eating among women veterans, a high risk group. MATERIALS AND METHODS: Twenty women veterans who reported changing eating habits in response to stress participated in audio-recorded focus groups or dyadic interviews between April 2013 and October 2014...
August 9, 2017: Appetite
https://www.readbyqxmd.com/read/28801840/tobacco-related-carcinogenesis-in-head-and-neck-cancer
#12
Ashok R Jethwa, Samir S Khariwala
Head and neck cancer (head and neck squamous cell carcinoma (HNSCC)) is a devastating disease. Patients require intensive treatment that is often disfiguring and debilitating. Those who survive are often left with poor speech articulation, difficulties in chewing and swallowing, and cosmetic disfigurement, as well as loss of taste. Furthermore, given that HNSCC survivors are frequently disabled and unable to return to work, the economic and societal costs associated with HNSCC are massive. HNSCC is one of many cancers that are strongly associated with tobacco use...
August 12, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28801411/exploring-newly-qualified-doctors-workplace-stressors-an-interview-study-from-australia
#13
Victoria R Tallentire, Samantha E Smith, Adam D Facey, Laila Rotstein
PURPOSE: Postgraduate year 1 (PGY1) doctors suffer from high levels of psychological distress, yet the contributory factors are poorly understood. This study used an existing model of workplace stress to explore the elements most pertinent to PGY1 doctors. In turn, the data were used to amend and refine the conceptual model to better reflect the unique experiences of PGY1 doctors. METHOD: Focus groups were undertaken with PGY1 doctors working at four different health services in Victoria, Australia...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28801409/what-is-the-prevalence-of-and-associations-with-forced-labour-experiences-among-male-migrants-from-dolakha-nepal-findings-from-a-cross-sectional-study-of-returnee-migrants
#14
Joelle Mak, Tanya Abramsky, Bandita Sijapati, Ligia Kiss, Cathy Zimmerman
OBJECTIVES: Growing numbers of people are migrating outside their country for work, and many experience precarious conditions, which have been linked to poor physical and mental health. While international dialogue on human trafficking, forced labour and slavery increases, prevalence data of such experiences remain limited. METHODS: Men from Dolakha, Nepal, who had ever migrated outside of Nepal for work were interviewed on their experiences, from predeparture to return (n=194)...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28801062/perineural-invasion-through-the-sheath-in-posttherapy-esophagectomy-specimens-predicts-poor-survival-in-patients-with-esophageal-squamous-cell-carcinoma
#15
C-Y Tsai, C-J Yeh, Y-K Chao, H-K Chang, C-K Tseng, Y-H Liu
BACKGROUND: The prognostic impact of perineural invasion (PNI) in patients with esophageal cancer who receive neoadjuvant chemoradiotherapy (nCRT) remains unclear. METHODS: A thorough pathological review of PNI was performed on post-nCRT esophagectomy specimens obtained from non-ypT0 patients with esophageal squamous cell carcinoma (ESCC). When PNI was identified, it was classified according to the presence or absence of penetration through the nerve sheath (i.e...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28799983/discrimination-of-voice-pitch-and-vocal-tract-length-in-cochlear-implant-users
#16
Etienne Gaudrain, Deniz Başkent
OBJECTIVES: When listening to two competing speakers, normal-hearing (NH) listeners can take advantage of voice differences between the speakers. Users of cochlear implants (CIs) have difficulty in perceiving speech on speech. Previous literature has indicated sensitivity to voice pitch (related to fundamental frequency, F0) to be poor among implant users, while sensitivity to vocal-tract length (VTL; related to the height of the speaker and formant frequencies), the other principal voice characteristic, has not been directly investigated in CIs...
August 9, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28799773/molecular-structuring-and-phase-transition-of-lipid-based-formulations-upon-water-dispersion-a-coarse-grained-molecular-dynamics-simulation-approach
#17
Per Larsson, Linda Alskär, Christel A S Bergström
The internal molecular structure of lipid-based formulations (LBFs) is poorly understood. In this work we aimed at establishing coarse-grained molecular dynamics simulations as a tool for rapid screening and investigation of the internal environment of these formulations. In order to study complex LBFs composed of different kinds of lipids we simulated a number of systems containing either medium-chain or long-chain lipids with varying proportions of tri-, di- and monoglycerides. Structural and dynamic measurements and analyses identified that the internal environment in a mixture of lipids was locally ordered even in the absence of water, which might explain some of the previously reported effects on drug solubility in these systems...
August 11, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28799610/viral-nanoparticles-decorated-with-novel-egfl7-ligands-enable-intravital-imaging-of-tumor-neovasculature
#18
Choi-Fong Cho, Lihai Yu, Tienabe K Nsiama, Alisha N Kadam, Arun Raturi, Sourabh Shukla, Giulio A Amadei, Nicole F Steinmetz, Leonard G Luyt, John D Lewis
Angiogenesis is a dynamic process fundamental to the development of solid tumors. Epidermal growth factor-like domain 7 (EGFL7) is a protein whose expression is restricted to endothelial cells undergoing active remodeling that has emerged as a key mediator of this process. EGFL7 expression is associated with poor outcome in several cancers, making it a promising target for imaging or therapeutic strategies. Here, EGFL7 is explored as a molecular target for active neovascularization. Using a combinatorial peptide screening approach, we describe the discovery and characterization of a novel high affinity EGFL7-binding peptide, E7p72, that specifically targets human endothelial cells...
August 11, 2017: Nanoscale
https://www.readbyqxmd.com/read/28799592/rapid-determination-of-the-tumour-stroma-ratio-in-squamous-cell-carcinomas-with-desorption-electrospray-ionization-mass-spectrometry-desi-ms-a-proof-of-concept-demonstration
#19
Michael Woolman, Alessandra Tata, Delaram Dara, Jalna Meens, Elisa D'Arcangelo, Consuelo J Perez, Shamina Saiyara Prova, Emma Bluemke, Howard J Ginsberg, Demian Ifa, Alison McGuigan, Laurie Ailles, Arash Zarrine-Afsar
Squamous cell carcinomas constitute a major class of head & neck cancers, where the tumour stroma ratio (TSR) carries prognostic information. Patients affected by stroma-rich tumours exhibit a poor prognosis and a higher chance of relapse. As such, there is a need for a technology platform that allows rapid determination of the tumour stroma ratio. In this work, we provide a proof-of-principle demonstration that Desorption Electrospray Ionization Mass Spectrometry (DESI-MS) can be used to determine tumour stroma ratios...
August 11, 2017: Analyst
https://www.readbyqxmd.com/read/28799366/orientation-dependence-of-heterogeneous-nucleation-at-the-cu-pb-solid-liquid-interface
#20
J Pablo Palafox-Hernandez, Brian B Laird
In this work, we examine the effect of surface structure on the heterogeneous nucleation of Pb crystals from the melt at a Cu substrate using molecular-dynamics (MD) simulation. In a previous work [Palafox-Hernandez et al., Acta Mater. 59, 3137 (2011)] studying the Cu/Pb solid-liquid interface with MD simulation, we observed that the structure of the Cu(111) and Cu(100) interfaces was significantly different at 625 K, just above the Pb melting temperature (618 K for the model). The Cu(100) interface exhibited significant surface alloying in the crystal plane in contact with the melt...
December 7, 2016: Journal of Chemical Physics
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