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https://www.readbyqxmd.com/read/29315847/tunneling-diode-based-on-wse2-sns2-heterostructure-incorporating-high-detectivity-and-responsivity
#1
Xing Zhou, Xiaozong Hu, Shasha Zhou, Hongyue Song, Qi Zhang, Lejing Pi, Liang Li, Huiqiao Li, Jingtao Lü, Tianyou Zhai
van der Waals (vdW) heterostructures based on atomically thin 2D materials have led to a new era in next-generation optoelectronics due to their tailored energy band alignments and ultrathin morphological features, especially in photodetectors. However, these photodetectors often show an inevitable compromise between photodetectivity and photoresponsivity with one high and the other low. Herein, a highly sensitive WSe2 /SnS2 photodiode is constructed on BN thin film by exfoliating each material and manually stacking them...
January 8, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29302519/are-our-subcenters-equipped-enough-to-provide-primary-health-care-to-the-community-a-study-to-explore-the-gaps-in-workforce-and-infrastructure-in-the-subcenters-from-north-india
#2
M A Bashar, Sonu Goel
Background: A Sub-Centre (SC) is most peripheral and first point of contact between the primary healthcare system and the community in the rural areas. The success of any nationwide program largely depends on well-functioning SCs providing services of acceptable standards to people. Indian Public Health Standards (IPHS) for SCs was prepared keeping in view the minimum standards required to provide quality and need sensitive health care to the community. Materials and Methods: A cross-sectional study was conducted in Ambala District of Haryana to assess the availability of physical infrastructure, manpower, drugs and equipment in the SCs...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29294826/men-s-accounts-of-passion-killings-in-the-namibian-context
#3
Simon Duff, Mirjam Nampweya, Jeremy Tree
Intimate partner violence (IPV) is a global social problem, which may result in intimate partner homicide (IPH). Much of the research concerned with IPH is based in developed nations and as such this study explored men's explanations for IPH (known locally as "passion killing") in the Namibian context by interviewing 10 individuals who were convicted and sentenced for the murder of their female intimate partners. A semi-structured interview was conducted with the offenders and the resulting transcripts were analyzed by Interpretative Phenomenological Analysis...
July 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29279835/an-evaluation-on-iran-international-public-health-summer-school-in-relation-to-its-efficacy-based-on-participants-experience-and-opinions
#4
Aidin Parnia, Nikoo Yamani, Ahmadreza Zamani, Shervin Badihian, Navid Manouchehri, Maryam Fakhri
Background: A serious challenge to educate health staff for public health is to appear encouraging enough to persuade them for learning issues on this field and implementing new educational methods and innovative ways. Iran International Public Health Summer School (IPHS) made an effort to provide medical sciences students with a fortune to get familiar with and involved in public health. This study intended to evaluate the efficacy of this event. Materials and Methods: This cross-sectional study was performed in March-April 2015 by the help of an electronic self-administered questionnaire filled out by 49 Iranian participants 6 months after IPHS2014...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29216249/longer-time-to-peak-glucose-during-the-oral-glucose-tolerance-test-increases-cardiovascular-risk-score-and-diabetes-prevalence
#5
Yi-Chun Lin, Harn-Shen Chen
INTRODUCTION: The pattern of glucose levels during an oral glucose tolerance test (OGTT) may be useful for predicting diabetes or cardiovascular disease (CVD). Our aim was to determine whether the time to peak glucose during the OGTT is associated with CVD risk scores and diabetes. METHODS: Individuals with impaired fasting glucose (IFG) were enrolled in this observational study. Participants were grouped by the measured time to peak glucose (30, 60, 90 and 120 min) during the 75g OGTT...
2017: PloS One
https://www.readbyqxmd.com/read/29206356/formation-and-isolation-of-a-four-electron-reduced-porphyrin-derivative-via-further-reduction-of-a-stable-20%C3%AF-%C3%AF-isophlorin
#6
Takahiko Kojima, Wataru Suzuki, Hiroaki Kotani, Tomoya Ishizuka, Yoshihito Shiota, Kazunari Yoshizawa
The two-electron reduction of a diprotonated dodecaphenylporphyrin derivative by Na2S2O4 gave a corresponding isophlorin (Iph) selectively. Formation of Iph was confirmed by spectroscopic measurements and the isolation of tetra-methylated Iph. Further reduction of Iph proceeded to form an unprecedented four-electron reduced porphyrin (IphH2), which is fully characterized by spectroscopic and X-ray crystallographic analysis. IphH2 with a unique conformation is capable of performing a reversibility to reproduce the starting porphyrin by the chemical oxidation, which acts as a proton-coupled four-electron reversible redox system...
December 5, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29198205/do-mothers-really-know-best-complexities-in-testing-the-preference-performance-hypothesis-in-polyphagous-frugivorous-fruit-flies
#7
A Birke, M Aluja
The preference-performance hypothesis (PPH) has widely been used to explain host exploitation patterns by phytophagous insects. However, this hypothesis often fails in the case of polyphagous species when compared with specialists. One explanation, validated by the information-processing hypothesis (IPH), considers that polyphagous insects are unable to process a large array of cues, which hinders females from distinguishing between high- and low- quality hosts. Here we analyzed Anastrepha ludens female host preference and offspring performance, and tested if neuronal limitations could possibly play a role in the incapacity of the polyphagous A...
December 4, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/29194475/analysis-of-the-strength-of-legal-firearms-restrictions-for-perpetrators-of-domestic-violence-and-their-association-with-intimate-partner-homicide
#8
April M Zeoli, Alexander McCourt, Shani Buggs, Shannon Frattaroli, David Lilley, Daniel W Webster
In this research, we estimate the association of firearm restrictions for domestic violence offenders with intimate partner homicides (IPHs), based on the strength of the policies. We posit that the association of firearm laws with IPHs depends on the laws': 1) breadth of coverage of high-risk individuals and situations restricted; 2) power to compel firearm surrender or removal from prohibited persons; and 3) systems of accountability that prevent prohibited persons from obtaining guns. We conducted a quantitative policy evaluation using annual state-level data from 1980 through 2013 for 45 US states...
November 29, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29189631/incidence-and-risk-factors-of-intracranial-hemorrhage-in-liver-transplant-recipients
#9
Tom K Gallagher, Kathryn A Thomas, Daniela P Ladner, Daniel Ganger, Farzaneh A Sorond, Shyam Prabhakaran, Michael M Abecassis, Jonathan P Fryer, Eric M Liotta
BACKGROUND: Intracranial hemorrhage after liver transplantation is an infrequently reported complication but one which can have devastating consequences. METHODS: We performed a retrospective cross-sectional analysis of all liver transplants performed between January 2010 and June 2015 at a single high-volume institution using a prospectively maintained electronic database and query of the electronic medical record. Cases of intracranial hemorrhage were adjudicated as either spontaneous intraparenchymal (IPH) or extra-axial (EAH) hemorrhages...
November 17, 2017: Transplantation
https://www.readbyqxmd.com/read/29117484/carotid-intraplaque-hemorrhage-imaging-with-quantitative-vessel-wall-t1-mapping-technical-development-and-initial-experience
#10
Haikun Qi, Jie Sun, Huiyu Qiao, Shuo Chen, Zechen Zhou, Xinlei Pan, Yishi Wang, Xihai Zhao, Rui Li, Chun Yuan, Huijun Chen
Purpose To develop a three-dimensional (3D) high-spatial-resolution time-efficient sequence for use in quantitative vessel wall T1 mapping. Materials and Methods A previously described sequence, simultaneous noncontrast angiography and intraplaque hemorrhage (SNAP) imaging, was extended by introducing 3D golden angle radial k-space sampling (GOAL-SNAP). Sliding window reconstruction was adopted to reconstruct images at different inversion delay times (different T1 contrasts) for voxelwise T1 fitting. Phantom studies were performed to test the accuracy of T1 mapping with GOAL-SNAP against a two-dimensional inversion recovery (IR) spin-echo (SE) sequence...
November 8, 2017: Radiology
https://www.readbyqxmd.com/read/29098439/identification-of-intraplaque-haemorrhage-in-carotid-artery-by-simultaneous-non-contrast-angiography-and-intraplaque-haemorrhage-snap-imaging-a-magnetic-resonance-vessel-wall-imaging-study
#11
Dongye Li, Huilin Zhao, Xiaoyi Chen, Shuo Chen, Huiyu Qiao, Le He, Rui Li, Jianrong Xu, Chun Yuan, Xihai Zhao
OBJECTIVES: To investigate the usefulness of Simultaneous Non-contrast Angiography and intraPlaque haemorrhage (SNAP) imaging in characterising carotid intraplaque haemorrhage (IPH) compared with magnetisation-prepared rapid acquisition gradient-echo (MP-RAGE) sequence. METHODS: Fifty-four symptomatic patients (mean age: 63.1 ± 5.7 years, 38 males) with carotid atherosclerosis were recruited and underwent carotid MR imaging. The presence and area of IPH on SNAP and MP-RAGE images were determined...
November 2, 2017: European Radiology
https://www.readbyqxmd.com/read/29076745/cost-effectiveness-of-magnetic-resonance-carotid-plaque-imaging-for-primary-stroke-prevention-in-canada
#12
Lechtman E, Balki I, Thomas K, Chen K, Moody Ar, Tyrrell Pn
OBJECTIVE: Magnetic resonance of the carotid arteries provides important insight into plaque composition and vulnerability in addition to the traditional measure of stenosis. The purpose of this study was to evaluate the cost-effectiveness of MR imaging as a first-line modality to assess carotid disease and guide management for high-risk patients with <50% stenosis. METHODS: Using TreeAge Pro, a cost-effectiveness simulation was conducted comparing two strategies: (a) standard of care first-line carotid duplex ultrasound (DUS) with regular follow-up, vs (b) first-line MR assessment of stenosis and intraplaque haemorrhage (MRIPH) in which patients with IPH received annual DUS surveillance and immediate carotid endarterectomy in case of plaque progression...
November 21, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29075645/incremental-value-of-plaque-enhancement-in-patients-with-moderate-or-severe-basilar-artery-stenosis-3-0%C3%A2-t-high-resolution-magnetic-resonance-study
#13
Wanqian Wang, Qi Yang, Debiao Li, Zhaoyang Fan, Xiaoming Bi, Xiangying Du, Fang Wu, Ye Wu, Kuncheng Li
AIM: To investigate the clinical relevance of plaque's morphological characteristics and distribution pattern using 3.0 T high-resolution magnetic resonance imaging (HRMRI) in patients with moderate or severe basilar artery (BA) atherosclerosis stenosis. MATERIALS AND METHODS: Fifty-seven patients (33 symptomatic patients and 24 asymptomatic patients) were recruited for 3.0 T HRMRI scan; all of them had >50% stenosis on the BA. The intraplaque hemorrhage (IPH), contrast-enhancement pattern, and distribution of BA plaques were compared between the symptomatic and asymptomatic groups...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29073939/a-comparison-of-decisions-to-discharge-committed-psychiatric-patients-between-treating-physicians-and-district-psychiatric-committees-an-outcome-study
#14
Daniel Argo, Igor Barash, Gadi Lubin, Moshe Z Abramowitz
BACKGROUND: The Israel Mental Health Act of 1991 stipulates a process for involuntary psychiatric hospitalization (IPH). A patient thus hospitalized may be discharged by either the treating psychiatrist (TP) or the district psychiatric committee (DPC). The decision rendered by the DPC is often at odds with the recommendation of the TP. Although much has been written about the ethical issues of restricting patients' rights and limiting their freedom, far less attention has been devoted to the psychiatric, medical, and social outcome of legal patient discharge against the doctor's recommendation...
October 26, 2017: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/29064248/highly-efficient-room-temperature-phosphorescence-from-halogen-bonding-assisted-doped-organic-crystals
#15
Lu Xiao, Yishi Wu, Jianwei Chen, Zhenyi Yu, Yanping Liu, Jiannian Yao, Hongbing Fu
The development of metal-free organic room temperature phosphorescence (RTP) materials has attracted increasing attention because of their applications in sensors, biolabeling (imaging) agents and anticounterfeiting technology, but remains extremely challenging owing to the restricted spin-flip intersystem crossing (ISC) followed by low-yield phosphorescence that cannot compete with nonradiative relaxation processes. Here, we report a facile strategy to realize highly efficient RTP by doping iodo difluoroboron dibenzoylmethane (I-BF2dbm-R) derivatives into a rigid crystalline 4-iodobenzonitrile (Iph-C≡N) matrix...
November 7, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29060525/arfi-variance-of-acceleration-voa-for-noninvasive-characterization-of-human-carotid-plaques-in-vivo
#16
Gabriela Torres, Tomasz J Czernuszewicz, Jonathon W Homeister, Mark A Farber, Caterina M Gallippi
Rather than degree of stenosis, assessing plaque structure and composition is relevant to discerning risk for plaque rupture with downstream ischemic event. The structure and composition of carotid plaque has been assessed noninvasively using Acoustic Radiation Force Impulse (ARFI) ultrasound imaging. In particular, ARFI-derived peak displacement (PD) estimations have been demonstrated for discriminating soft (lipid rich necrotic core (LRNC) or intraplaque hemorrhage (IPH)) from stiff (collagen (COL) or calcium (CAL)) plaque features; however, PD did not differentiate LRNC from IPH or COL from CAL...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29056401/outcomes-of-transcatheter-arterial-embolization-with-a-modified-n-butyl-cyanoacrylate-glue-for-spontaneous-iliopsoas-and-rectus-sheath-hematomas-in-anticoagulated-patients
#17
Rany Jawhari, Olivier Chevallier, Nicolas Falvo, Philippe d'Athis, Sophie Gehin, Pierre-Emmanuel Charles, Marco Midulla, Romaric Loffroy
PURPOSE: To assess the efficacy and safety of n-butyl cyanoacrylate methacryloxy sulfolane (NBCA-MS) transcatheter arterial embolization for anticoagulation-related soft-tissue bleeding and to evaluate predictive factors of clinical success and 30-day mortality. MATERIALS AND METHODS: A retrospective review of 50 anticoagulated patients (25 male; mean age, 71.7 y ± 14.2; range, 19-87 y) who underwent emergent Glubran 2 NBCA-MS embolization for iliopsoas hematomas (IPHs; n = 38), rectus sheath hematomas (n = 11), or both (n = 1) between 2011 and 2016 was performed...
October 19, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29017805/atherosclerotic-plaque-characteristics-are-not-associated-with-future-cardiovascular-events-in-patients-undergoing-iliofemoral-endarterectomy
#18
Steven T W van Haelst, Saskia Haitjema, Wouter Derksen, Ian van Koeverden, Jean-Paul P M de Vries, Frans L Moll, Hester M den Ruijter, Gerard Pasterkamp, Gert J de Borst
BACKGROUND: Plaque characteristics such as intraplaque hemorrhage (IPH) have been associated with secondary cardiovascular events (CVE) in patients undergoing carotid endarterectomy. In addition, carotid plaques containing macrophage infiltration or a large lipid core size were associated with less restenosis. It is currently unknown whether iliofemoral plaque histopathologic characteristics are predictive for secondary CVE in patients with peripheral arterial disease undergoing iliofemoral endarterectomy...
October 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28987840/endovascular-treatment-of-ruptured-vertebrobasilar-dissecting-aneurysms-using-flow-diversion-embolization-devices-single-institution-experience
#19
Waldo R Guerrero, Santiago Ortega-Gutierrez, Minako Hayakawa, Colin P Derdeyn, James D Rossen, David Hasan, Edgar A Samaniego
OBJECTIVE: Treatment of ruptured posterior circulation dissecting aneurysms is technically challenging with potentially high morbidity and mortality. We sought to assess the safety and feasibility of using a flow diversion devices (FDD) and a specific acute antiplatelet aggregation protocol in the management of ruptured dissecting aneurysms. METHODS: Subjects with ruptured dissecting aneurysms treated during a three-year period were retrospectively identified from a prospective registry...
October 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28975202/state-intimate-partner-violence-related-firearm-laws-and-intimate-partner-homicide-rates-in-the-united-states-1991-to-2015
#20
Carolina Díez, Rachel P Kurland, Emily F Rothman, Megan Bair-Merritt, Eric Fleegler, Ziming Xuan, Sandro Galea, Craig S Ross, Bindu Kalesan, Kristin A Goss, Michael Siegel
Background: To prevent intimate partner homicide (IPH), some states have adopted laws restricting firearm possession by intimate partner violence (IPV) offenders. "Possession" laws prohibit the possession of firearms by these offenders. "Relinquishment" laws prohibit firearm possession and also explicitly require offenders to surrender their firearms. Few studies have assessed the effect of these policies. Objective: To study the association between state IPV-related firearm laws and IPH rates over a 25-year period (1991 to 2015)...
October 17, 2017: Annals of Internal Medicine
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