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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/28549373/production-of-a-potential-liquid-plant-bio-stimulant-by-immobilized-piriformospora-indica-in-repeated-batch-fermentation-process
#2
Nikolay Vassilev, Bettina Eichler-Löbermann, Elena Flor-Peregrin, Vanessa Martos, Antonia Reyes, Maria Vassileva
Piriformospora indica, a mycorrhizal-like fungus able to establish associations with roots of a wide range of plants, supporting plant nutrition and increasing plant resistance and tolerance to stress, was shown to solubilise phosphate applied in the form of animal bone char (HABO) in fermentation systems. The process of P solubilisation was caused most likely by proton extrusion and medium pH lowering. The fungal mycelium was successfully immobilized/retained in a polyurethane foam carrier. Further employment of the immobilized mycelium in repeated-batch fermentation process resulted in at least 5 cycles of P solubilization...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28549372/pgpr-strain-paenibacillus-polymyxa-sqr-21-potentially-benefits-watermelon-growth-by-re-shaping-root-protein-expression
#3
Yaoyao E, Jun Yuan, Fang Yang, Lei Wang, Jinghua Ma, Jing Li, Xiaowei Pu, Waseem Raza, Qiwei Huang, Qirong Shen
Paenibacillus polymyxa (SQR-21) is not only a plant growth-promoting rhizobacteria, but also an effective biocontrol agent against Fusarium wilt disease of watermelon. For the better understanding and clarifying the potential mechanisms of SQR-21 to improve watermelon growth and disease resistance, a split-root methodology in hydroponic and LC-MS technology with the label free method was used to analyze the key root proteins involved in watermelon metabolism and disease resistance after the inoculation of SQR-21...
December 2017: AMB Express
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/28549340/a-critical-assessment-of-the-in-vitro-measurement-of-cortical-bone-stiffness-with-ultrasound
#5
L Peralta, X Cai, P Laugier, Q Grimal
Elasticity assessment based on bulk wave velocity (BWV) measurements is the most popular technique to characterize the anisotropic stiffness tensor in cortical bone. Typically, a cuboid bone specimen is cut with its sides along the different anatomical directions. Then, the velocity of shear and longitudinal waves propagating along different directions are assessed, from which stiffness coefficients are calculated. Despite the importance of obtaining accurate elasticity values for bone research, there is no generally accepted protocol to measure BWV and the precision of the technique has been seldom investigated...
May 19, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28549339/typical-and-atypical-presenting-symptoms-of-breast-cancer-and-their-associations-with-diagnostic-intervals-evidence-from-a-national-audit-of-cancer-diagnosis
#6
Minjoung Monica Koo, Christian von Wagner, Gary A Abel, Sean McPhail, Greg P Rubin, Georgios Lyratzopoulos
INTRODUCTION: Most symptomatic women with breast cancer have relatively short diagnostic intervals but a substantial minority experience prolonged journeys to diagnosis. Atypical presentations (with symptoms other than breast lump) may be responsible. METHODS: We examined the presenting symptoms of breast cancer in women using data from a national audit initiative (n=2316). Symptoms were categorised topographically. We investigated variation in the length of the patient interval (time from symptom onset to presentation) and the primary care interval (time from presentation to specialist referral) across symptom groups using descriptive analyses and quantile regression...
May 23, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28549336/evaluation-of-a-new-random-access-hbv-dna-molecular-assay-the-veris-hbv-assay
#7
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/28549330/impact-of-post-traumatic-stress-disorder-on-oral-health
#8
Ana Cristina de Oliveira Solis, Álvaro Cabral Araújo, Felipe Corchs, Marcio Bernik, Érica Panzani Duran, Cláudio Silva, Francisco Lotufo-Neto
BACKGROUND: The stress experienced as an intense and traumatic event can increase the odds of orofacial pain, affect the biomechanics of masticatory system and compromise the periodontal health. This study was conducted to investigate the impact of post-traumatic stress disorder (PTSD) on oral health. METHODS: A case-control study with a convenience sample was designed. Probing pocket depth (PPD), clinical attachment level (CAL), bleeding on probing, and plaque were recorded at 6 sites per tooth...
May 20, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28549327/achievement-performance-and-characteristics-of-microbial-products-in-a-partial-nitrification-sequencing-batch-reactor-as-a-pretreatment-for-anaerobic-ammonium-oxidation
#9
Heng Dong, Keyi Zhang, Xiao Han, Bin Du, Qin Wei, Dong Wei
This study was carried out to evaluate achievement, performance and characteristics of microbial products in a partial nitrification sequencing batch reactor as a pretreatment for anaerobic ammonium oxidation (anammox). After 100 days long-term operation, the effluent NO2(-)-N/NH4(+)N ratio of the reactor was average at 1.3 and NO3(-)-N concentration was low by controlling low dissolved oxygen (DO) concentration, which was considered as the ideal influent for anammox. Specific oxygen uptake rate (SOUR) implied that (SOUR)NH4 and (SOUR)NO2 of ammonia oxidizing bacteria (AOB) and nitrite oxidizing bacteria (NOB) in sludge changed from 21...
May 20, 2017: Chemosphere
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/28549319/effect-of-laser-photobiomodulation-on-wound-healing-and-postoperative-pain-following-free-gingival-graft-a-split-mouth-triple-blind-randomized-controlled-clinical-trial
#11
Mohadeseh Heidari, Mojgan Paknejad, Raika Jamali, Hanieh Nokhbatolfoghahaei, Reza Fekrazad, Neda Moslemi
BACKGROUND AND AIM: Free gingival graft (FGG) is one of the most predictable techniques for gingival augmentation. However, patient's discomfort and pain during healing period are significant concerns. The aim of this study was to assess if laser photobiomodulation (PBM) was effective in terms of enhancing wound healing and reducing postoperative pain. METHODS AND MATERIALS: Twelve patients participated in this split-mouth randomized controlled clinical trial. Each patient had a 30-day interval between the two procedures...
May 18, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28549311/reaction-of-diazepam-and-related-benzodiazepines-with-chlorine-kinetics-transformation-products-and-in-silico-toxicological-assessment
#12
Inmaculada Carpinteiro, Rosario Rodil, José Benito Quintana, Rafael Cela
In this work, the reaction of four benzodiazepines (diazepam, oxazepam, nordazepam and temazepam) during water chlorination was studied by means of liquid chromatography-quadrupole-time of flight-mass spectrometry (LC-QTOF-MS). For those compounds that showed a significant degradation, i.e. diazepam, oxazepam and nordazepam, parameters affecting to the reaction kinetics (pH, chlorine and bromide level) were studied in detail and transformation products were tentatively identified. The oxidation reactions followed pseudofirst-order kinetics with rate constants in the range of 1...
May 3, 2017: Water Research
https://www.readbyqxmd.com/read/28549301/ecotoxicological-effect-of-ketamine-evidence-of-acute-chronic-and-photolysis-toxicity-to-daphnia-magna
#13
Shih-Wei Li, Yu-Hsiang Wang, Angela Yu-Chen Lin
Ketamine has been increasingly used in medicine and has the potential for abuse or illicit use around the world. Ketamine cannot be removed by conventional wastewater treatment plants. Although ketamine and its metabolite norketamine have been detected to a significant degree in effluents and aquatic environments, their ecotoxicity effects in aquatic organisms remain undefined. In this study, we investigated the acute toxicity of ketamine and its metabolite, along with the chronic reproductive toxicity of ketamine (5-100μg/L) to Daphnia magna...
May 23, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28549300/evaluation-of-the-in-vitro-effect-of-boldo-and-meadowsweet-plant-extracts-on-the-expression-of-antimicrobial-peptides-and-inflammatory-markers-in-canine-keratinocytes
#14
Domenico Santoro, Kim Ahrens, Ryan Vesny, Christelle Navarro, Hugues Gatto, Rosanna Marsella
Dogs with allergies are prone to skin infections and treatments/preventatives to boost innate immune-defenses are beneficial. The aim of this study was to evaluate the effects of Boldo and Meadowsweet extracts on the expression of β-defensins (cBD), cathelicidin (cCath), and pro-inflammatory cytokines in canine keratinocyte. This study had two phases. Phase I evaluated mRNA expression of cBD103 and cCath, and secretion of cCath, IL-8 and TNF-α by keratinocytes harvested from healthy (n=5) and atopic (n=5) age-matched beagles exposed to Boldo (2% to 0...
May 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28549294/chiral-recognition-of-naproxen-enantiomers-based-on-fluorescence-quenching-of-bovine-serum-albumin-stabilized-gold-nanoclusters
#15
Marzieh Jafari, Javad Tashkhourian, Ghodratollah Absalan
A simple, fast and green method for chiral recognition of S- and R-naproxen has been introduced. The method was based on quenching of the fluorescence intensity of bovine serum albumin-stabilized gold nanoclusters in the presence of naproxen enantiomers. The quenching intensity in the presence of S-naproxen was higher than R-naproxen when phosphate buffer solution at pH7.0 was used. The chiral recognition occurred due to steric effect between bovine serum albumin conformation and naproxen enantiomers. Two linear determination range were established as 7...
May 16, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28549289/identifying-the-source-of-zn-in-soils-around-a-zn-smelter-using-pb-isotope-ratios-and-mineralogical-analysis
#16
Soo-Kyung Jeon, Man Jae Kwon, Jung-Seok Yang, Seunghak Lee
The contribution by anthropogenic sources to abnormally high Zn concentrations in soils with naturally abundant Zn was investigated at a contaminated site surrounding a Zn smelter in eastern Korea. Nineteen soil samples were collected within a 2km radius of the smelter, and analyzed for metal concentrations and Pb isotope ratios using an inductively coupled plasma-optical emission spectrometer and -mass spectrometer, respectively. Higher Zn concentrations in locations closer to the smelter implied that the smelter was the source of the Zn pollution...
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
#17
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/28549280/protocols-for-the-analytical-characterization-of-therapeutic-monoclonal-antibodies-i-non-denaturing-chromatographic-techniques
#18
Alexandre Goyon, Valentina D'Atri, Balazs Bobaly, Elsa Wagner-Rousset, Alain Beck, Szabolcs Fekete, Davy Guillarme
Size-, charge- and hydrophobicity-related variants of a biopharmaceutical product have to be deeply characterized for batch consistency and for the assessment of immunogenicity and safety effects. Size exclusion chromatography (SEC) and ion exchange chromatography (IEX) are considered as the gold standard for the analysis of high molecular weight species (HMWS) and charge-related variants, respectively. Hydrophobic interaction chromatography (HIC) has drawn renewed attention to monitor the small drug payload distribution in the cysteine-linked antibody-drug conjugates (ADC)...
May 11, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28549264/effectiveness-of-family-group-conferencing-in-preventing-repeat-referrals-to-child-protective-services-and-out-of-home-placements
#19
Dana M Hollinshead, Tyler W Corwin, Erin J Maher, Lisa Merkel-Holguin, Heather Allan, John D Fluke
Rigorous research on the efficacy of family group conferencing is rare. This randomized control trial study used an intent-to-treat approach to examine whether a referral to a family group conference (FGC) was associated with re-referrals, substantiated re-referrals, or out-of-home placements among child welfare-involved families receiving in-home services. We found no significant associations between treatment and control group assignment and the three outcomes for the sample as a whole. However, families with more children had higher odds of a re-referral and a substantiated re-referral, families with more than one parent had higher odds of re-referral, and families where a substance abuse services referral was noted had higher odds of out-of-home placement...
May 23, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28549258/immunohistochemical-localization-of-cannabinoid-receptor-1-cb1-in-the-submandibular-gland-of-mice-under-normal-conditions-and-when-stimulated-by-isoproterenol-or-carbachol
#20
Wipawee Thoungseabyoun, Apussara Tachow, Sawetree Pakkarato, Atsara Rawangwong, Suthankamon Krongyut, Waraporn Sakaew, Hisatake Kondo, Wiphawi Hipkaeo
OBJECTIVE: We wished to investigate the subcellular localization of CB1, a receptor for the endocannabinoids in mouse submandibular glands (SMGs) under normal conditions and when stimulated by adrenergic or cholinergic agonists. MATERIALS AND METHODS: SMGs of both male and female adult mice were utilized for immunoblotting and immuno-light and -electron microscopic analyses. Isoproterenol and carbachol were used as adrenergic and cholinergic stimulants, respectively...
May 17, 2017: Archives of Oral Biology
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