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https://www.readbyqxmd.com/read/28549375/interfacial-electrical-and-band-alignment-characteristics-of-hfo2-ge-stacks-with-in-situ-formed-sio2-interlayer-by-plasma-enhanced-atomic-layer-deposition
#1
Yan-Qiang Cao, Bing Wu, Di Wu, Ai-Dong Li
In situ-formed SiO2 was introduced into HfO2 gate dielectrics on Ge substrate as interlayer by plasma-enhanced atomic layer deposition (PEALD). The interfacial, electrical, and band alignment characteristics of the HfO2/SiO2 high-k gate dielectric stacks on Ge have been well investigated. It has been demonstrated that Si-O-Ge interlayer is formed on Ge surface during the in situ PEALD SiO2 deposition process. This interlayer shows fantastic thermal stability during annealing without obvious Hf-silicates formation...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28549368/developing-population-models-a-systematic-approach-for-pesticide-risk-assessment-using-herbaceous-plants-as-an-example
#2
Amelie Schmolke, Katherine E Kapo, Pamela Rueda-Cediel, Pernille Thorbek, Richard Brain, Valery Forbes
Population models are used as tools in species management and conservation and are increasingly recognized as important tools in pesticide risk assessments. A wide variety of population model applications and resources on modeling techniques, evaluation and documentation can be found in the literature. In this paper, we add to these resources by introducing a systematic, transparent approach to developing population models. The decision guide that we propose is intended to help model developers systematically address data availability for their purpose and the steps that need to be taken in any model development...
May 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28549362/-iliotibial-band-friction-syndrome-due-to-bioabsorbable-pins-in-acl-reconstruction
#3
F Cruz-López, A Mallen-Trejo, C Pascual-Vidriales, A Almazán-Díaz, J C Ibarra-Ponce de León
Injuries of the anterior cruciate ligament are currently treated primarily with the use of hamstring graft with a wide range of different techniques and fixation systems for anterior cruciate ligament in reducing patient morbidity. We report the case of a female patient aged 42 that suffered an anterior cruciate ligament rupture and was treated with anterior cruciate ligament reconstruction with hamstring autograft with femoral fixation with bio-absorbable cross-pin and tibial fixation with bio-absorbable screw...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549353/crowding-visual-awareness-and-their-respective-neural-loci
#4
Kilho Shin, Susana T L Chung, Bosco S Tjan
In peripheral vision, object identification can be impeded when a target object is flanked by other objects. This phenomenon of crowding has been attributed to basic processes associated with image encoding by the visual system, but the neural origin of crowding is not known. Determining whether crowding depends on subjective awareness of the flankers can provide information on the neural origin of crowding. However, recent studies that manipulated flanker awareness have yielded conflicting results. In the current study, we suppressed flanker awareness with two methods: interocular suppression (IOS) and adaptation-induced blindness (AIB)...
May 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28549351/contextual-cueing-in-3d-visual-search-depends-on-representations-in-planar-not-depth-defined-space
#5
Xuelian Zang, Zhuanghua Shi, Hermann J Müller, Markus Conci
Learning of spatial inter-item associations can speed up visual search in everyday life, an effect referred to as contextual cueing (Chun & Jiang, 1998). Whereas previous studies investigated contextual cueing primarily using 2D layouts, the current study examined how 3D depth influences contextual learning in visual search. In two experiments, the search items were presented evenly distributed across front and back planes in an initial training session. In the subsequent test session, the search items were either swapped between the front and back planes (Experiment 1) or between the left and right halves (Experiment 2) of the displays...
May 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28549342/mgr1-antigen-37-kda-laminin-receptor-precursor-promotes-cellular-prion-protein-induced-multi-drug-resistance-of-gastric-cancer
#6
Guanhong Luo, Weijie Wang, Qiong Wu, Yuanyuan Lu, Tao Su, Nan Gu, Kai Li, Jingbo Wang, Rui Du, Xiaodi Zhao, Xiaohua Li, Rui Fan, Hongbo Zhang, Yongzhan Nie, Xinmin Zhou, Yongquan Shi, Jie Liang, Xin Wang, Daiming Fan
Cellular prion protein (PrPC), the infective agent of transmissible spongiform encephalopathies, is thought to be related to several cellular physiological and physiopathological processes. We have previously reported that PrPC participates in multi-drug-resistance of gastric cancer. As the salient ligand molecule of PrP for participating in internalization and propagation of the scrapie form of prion protein (PrPSc), 37 kDa laminin receptor precursor protein (37LRP) shared the same gene coding sequence of MGr1-Ag, another protein previously found to be involved in multi-drug-resistance of gastric cancer in our lab...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549337/the-relation-of-childhood-trauma-to-suicide-ideation-in-patients-suffering-from-obsessive-compulsive-disorder-with-lifetime-suicide-attempts
#7
Vahid Khosravani, Zoleikha Kamali, Razieh Jamaati Ardakani, Mehdi Samimi Ardestani
The aim of this study was to evaluate the relations of childhood trauma (CT) and obsessive-compulsive (OC) symptom dimensions to suicide ideation in patients with obsessive-compulsive disorder (OCD). Seventy OCD outpatients with lifetime suicide attempts and 60 controls were included. Participants completed the Scale for Suicide Ideation (SSI), the Childhood Trauma Questionnaire-Short Form (CTQ-SF), the Yale-Brown Obsessive Compulsive Scale (Y-BOCS), the Dimensional Obsessive-Compulsive Scale (DOCS) and the Depression Anxiety Stress Scales (DASS-21)...
May 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28549336/evaluation-of-a-new-random-access-hbv-dna-molecular-assay-the-veris-hbv-assay
#8
Slim Fourati, Dominique Challine, Jean-Dominique Poveda, Syria Laperche, Sandrine Rallier, Jean-Michel Pawlotsky, Stéphane Chevaliez
BACKGROUND: Detection and quantification of HBV DNA are essential to diagnose chronic HBV infection, monitor the virological response to treatment and the possible selection of resistant viruses in order to tailor therapy. The VERIS/MDx System HBV Assay is a random-access system that quantifies HBV DNA in clinical samples using unique single sample and reagent access during the workflow process without the need to reload other tests and delivers results within 1.2h following sampling...
May 17, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28549334/molecular-insight-into-specific-14-3-3-modulators-inhibitors-and-stabilisers-of-protein-protein-interactions-of-14-3-3
#9
Alwin M Hartman, Anna K H Hirsch
The 14-3-3 protein family is implicated in several diseases and biological processes. Several recent reviews have summarised knowledge on certain aspects of 14-3-3 proteins, ranging from a historic overview to the structure, function and regulation. This review focuses on the structures and molecular recognition of the modulators by the 14-3-3 proteins, and small modifications of certain modulators are proposed where cocrystal structures have been reported. Our analysis opens up possibilities for the optimisation of the reported compounds...
April 24, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28549326/electrochemical-decolorization-of-methyl-red-by-ruo2-iro2-tio2-electrode-and-biodegradation-with-pseudomonas-stutzeri-mn1-and-acinetobacter-baumannii-mn3-an-integrated-approach
#10
Kuppusamy Sathishkumar, Sivaji Sathiyaraj, Punniyakotti Parthipan, Agrawal Akhil, Kadarkarai Murugan, Aruliah Rajasekar
Textile effluent consists of enormous quantities of toxic dyes, which are being discharged into natural aqueous system and thus contaminate the water quality. Hence it is important to develop an eco-friendly and cost effective technology to treat the dyes contaminated wastewater. In this research, an integrated approach of electrochemical oxidation (EO) and biodegradation process (BP) was studied of methyl red (MR) dye. In EO, RuO2-IrO2-TiO2 is used as anode and titanium mesh electrode as cathode. This was followed by BP of the treated EO effluent...
May 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28549313/the-persistent-shadow-of-suicide-ideation-and-attempts-in-a-high-risk-group-of-psychiatric-patients-a-focus-for-intervention
#11
Jane G Tillman, A Jill Clemence, Robyn Cree, Katie C Lewis, Jennifer L Stevens, David Reiss
OBJECTIVE: Patients with a history of suicidal ideation or attempts, especially if they have serious psychopathology with repeated hospitalizations, are burdened by ongoing risk for suicide. We studied this high-risk group to assess their psychological status following their most recent suicide attempt, in contrast to equally ill patients without a suicide history. Further, among suicidal patients, we compared those with only ideation, with a non-medically serious suicide attempt and with medically serious suicide attempts...
May 18, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28549303/end-of-life-eol-mobile-phone-management-in-hong-kong-households
#12
Wen-Jing Deng, John P Giesy, C S So, Hai-Long Zheng
A questionnaire survey and interviews were conducted in households and end-of-life (EoL) mobile phone business centres in Hong Kong. Widespread Internet use, combined with the rapid evolution of modern social networks, has resulted in the more rapid obsolescence of mobile phones, and thus a tremendous increase in the number of obsolete phones. In 2013, the volume of EoL mobile phones generated in Hong Kong totalled at least 330 tonnes, and the amount is rising. Approximately 80% of electronic waste is exported to Africa and developing countries such as mainland China or Pakistan for recycling...
May 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28549291/antidiabetogenic-efficiency-of-menthol-improves-glucose-homeostasis-and-attenuates-pancreatic-%C3%AE-cell-apoptosis-in-streptozotocin-nicotinamide-induced-experimental-rats-through-ameliorating-glucose-metabolic-enzymes
#13
Udaiyar Muruganathan, Subramani Srinivasan, Veerasamy Vinothkumar
The phytochemical, menthol, has been reported to play many beneficial roles. However, under diabetic conditions, there is no detail mechanism of its beneficial action in the glucose homeostasis. The present study, we investigated to explore the role of menthol, on the glucose metabolic enzymes and pancreatic islet cell apoptosis of streptozotocin-nicotinamide (STZ-NA) induced diabetes in rats. Diabetes was induced by single intraperitoneal (i.p.) injection of STZ (50mg/kg/b.w.) and NA (110mg/kg/b.w.). Diabetic rats were treated with different dose of menthol (25, 50, and 100mg/kg/b...
May 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28549285/environmental-response-to-long-term-mariculture-activities-in-the-weihai-coastal-area-china
#14
Hongmei Li, Xiaomin Li, Qiang Li, Ying Liu, Jide Song, Yongyu Zhang
The environmental impacts of rapid expansion of mariculture have garnered worldwide attention. China is currently one of the largest countries to engage in this practice. In this study, a representative mariculture zone, the Weihai coastal area in China, was explored to determine the temporal variations in regional nutrients, N/P ratio, dissolved oxygen (DO), pH, chlorophyll a (Chl-a), and cellular abundance of diatoms and dinoflagellates in response to the rapid growth in mariculture activities between 2006 and 2014...
May 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28549283/the-use-of-foot-pumps-compression-devices-in-the-perioperative-management-of-ankle-fractures-systematic-review-of-the-current-literature
#15
REVIEW
Rachel Clarkson, Samer S S Mahmoud, Amar Rangan, William Eardley, Paul Baker
BACKGROUND: Ankle fractures account for 9% of all fractures seen in the United Kingdom. 15,000 of these fractures undergo operative fixation each year. Soft tissue swelling impacts on timing of fixation due to fears of infection and wound dehiscence. The use of arterio-venous foot pumps (AVFP) is increasing in this population although the evidence for their efficacy is unclear. In order to address this, we present an overview of the evidence for AVFP device use following ankle fracture...
March 10, 2017: Foot
https://www.readbyqxmd.com/read/28549278/effects-of-varenicline-and-nicotine-replacement-therapy-on-arterial-elasticity-endothelial-glycocalyx-and-oxidative-stress-during-a-3-month-smoking-cessation-program
#16
Ignatios Ikonomidis, Margarita Marinou, Dimitrios Vlastos, Kallirhoe Kourea, Ioanna Andreadou, Nikolaos Liarakos, Helen Triantafyllidi, George Pavlidis, Elias Tsougos, John Parissis, John Lekakis
BACKGROUND AND AIMS: The effects of medically-aided smoking cessation on vascular function and oxidative stress are not fully clarified. METHODS: One hundred eighty-eight current smokers were randomized to varenicline or nicotine replacement treatment (NRT) for a 3-month period. We assessed: (a) augmentation index (Aix) and pulse wave velocity (PWV); (b) perfusion boundary region (PBR) of sublingual microvasculature (range:5-25 μm), an index of the endothelial glycocalyx thickness, using Sideview, Darkfield imaging; (c) the exhaled CO; and (d) the malondialdehyde (MDA) and protein carbonyls (PC) plasma levels, as markers of oxidative stress, at baseline and after 3 and 12 months...
May 13, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28549270/the-effects-of-early-life-adversity-on-the-immune-system
#17
REVIEW
Martha M C Elwenspoek, Annette Kuehn, Claude P Muller, Jonathan D Turner
Early life adversity (ELA) is associated with a higher risk for diseases in adulthood. Although the pathophysiological effects of ELA are varied, there may be a unifying role for the immune system in all of the long-term pathologies such as chronic inflammatory disorders (autoimmune diseases, allergy, and asthma). Recently, significant efforts have been made to elucidate the long-term effects ELA has on immune function, as well as the mechanisms underlying these immune changes. In this review, we focus on data from human studies investigating immune parameters in relation to post-natal adverse experiences...
May 17, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28549268/modulation-of-hpa-axis-response-to-social-stress-in-schizophrenia-by-childhood-trauma
#18
Claudia Lange, Christian G Huber, Daniela Fröhlich, Stefan Borgwardt, Undine E Lang, Marc Walter
HPA axis functioning plays an important role in the etiology of schizophrenia spectrum disorders (SSD). However, only few studies have examined HPA axis responsivity to psychosocial stress in SSD, and results are heterogeneous. Furthermore, childhood trauma is known to influence psychopathology and treatment outcome in SSD, but studies on the influence of childhood trauma on stress related HPA axis activity are missing. The purpose of this study was to investigate cortisol response to a psychosocial stress challenge in SSD patients, and to examine its association with severity of childhood trauma...
May 20, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28549247/individuals-with-clinically-significant-insomnia-symptoms-are-characterised-by-a-negative-sleep-related-expectancy-bias-results-from-a-cognitive-experimental-assessment
#19
Hannah Courtauld, Lies Notebaert, Bronwyn Milkins, Simon D Kyle, Patrick J F Clarke
Cognitive models of insomnia consistently suggest that negative expectations regarding the consequences of poor sleep contribute to the maintenance of insomnia. To date, however, no research has sought to determine whether insomnia is indeed characterised by such a negative sleep-related expectancy bias, using objective cognitive assessment tasks which are more immune to response biases than questionnaire assessments. Therefore, the current study employed a reaction-time task assessing biased expectations among a group with clinically significant insomnia symptoms (n = 30) and a low insomnia symptoms group (n = 40)...
May 17, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28549243/australian-football-players-experiencing-groin-pain-exhibit-reduced-subscale-scores-of-activities-of-daily-living-and-sport-and-recreation-on-the-hagos-questionnaire-a-case-control-study
#20
Michael K Drew, Gregory Lovell, Thorvaldur S Palsson, Pauline E Chiarelli, Peter G Osmotherly
OBJECTIVES: To report normative responses to the HAGOS questionnaire for Australian football players and to determine whether any of the HAGOS questionnaire sub scales can differentiate players with and without groin pain. DESIGN: Case-control. SETTING: Clinical setting. PARTICIPANTS: Professional (n = 66) and semi-professional (n = 9) Australian football (AF) players with current groin pain (n = 16) and controls (n = 57) without current groin pain...
April 20, 2017: Physical Therapy in Sport
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