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https://www.readbyqxmd.com/read/28549373/production-of-a-potential-liquid-plant-bio-stimulant-by-immobilized-piriformospora-indica-in-repeated-batch-fermentation-process
#1
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/28545217/a-miniature-bird-borne-passive-air-sampler-for-monitoring-halogenated-flame-retardants
#2
Manon Sorais, Ali Rezaei, Joseph O Okeme, Miriam L Diamond, Ricardo Izquierdo, Jean-François Giroux, Jonathan Verreault
Birds have been used intensively as biomonitors of halogenated flame retardants (HFRs), and several studies have reported elevated tissue concentrations and inter-individual variability for these contaminants. While diet is known to be an important exposure pathway for HFRs in birds, it has been suggested that exposure through air may represent an underestimated source of HFRs for certain species. However, a method was not available for measuring the atmospheric exposure of individual birds to HFRs or other semi-volatile contaminants...
May 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28544952/influence-of-both-cutaneous-input-from-the-foot-soles-and-visual-information-on-the-control-of-postural-stability-in-dyslexic-children
#3
Nathalie Goulème, Philippe Villeneuve, Christophe-Loïc Gérard, Maria Pia Bucci
Dyslexic children show impaired in postural stability. The aim of our study was to test the influence of foot soles and visual information on the postural control of dyslexic children, compared to non-dyslexic children. Postural stability was evaluated with TechnoConcept(®) platform in twenty-four dyslexic children (mean age: 9.3±0.29years) and in twenty-four non-dyslexic children, gender- and age-matched, in two postural conditions (with and without foam: a 4-mm foam was put under their feet or not) and in two visual conditions (eyes open and eyes closed)...
May 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28544112/a-cost-efficient-bifunctional-ultrathin-nanosheets-array-for-electrochemical-overall-water-splitting
#4
Ying Zhang, Qi Shao, Yecan Pi, Jun Guo, Xiaoqing Huang
The design of cost-efficient earth-abundant catalysts with superior performance for the electrochemical water splitting is highly desirable. Herein, a general strategy for fabricating superior bifunctional water splitting electrodes is reported, where cost-efficient earth-abundant ultrathin Ni-based nanosheets arrays are directly grown on nickel foam (NF). The newly created Ni-based nanosheets@NF exhibit unique features of ultrathin building block, 3D hierarchical structure, and alloy effect with the optimized Ni5 Fe layered double hydroxide@NF (Ni5 Fe LDH@NF) exhibiting low overpotentials of 210 and 133 mV toward both oxygen evolution reaction and hydrogen evolution reaction at 10 mA cm(-2) in alkaline condition, respectively...
May 23, 2017: Small
https://www.readbyqxmd.com/read/28542193/an-agent-based-model-of-leukocyte-transendothelial-migration-during-atherogenesis
#5
Rita Bhui, Heather N Hayenga
A vast amount of work has been dedicated to the effects of hemodynamics and cytokines on leukocyte adhesion and trans-endothelial migration (TEM) and subsequent accumulation of leukocyte-derived foam cells in the artery wall. However, a comprehensive mechanobiological model to capture these spatiotemporal events and predict the growth and remodeling of an atherosclerotic artery is still lacking. Here, we present a multiscale model of leukocyte TEM and plaque evolution in the left anterior descending (LAD) coronary artery...
May 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28541125/electrically-conductive-borate-based-bioactive-glass-scaffolds-for-bone-tissue-engineering-applications
#6
Mert Turk, Aylin M Deliormanlı
In this study, electrically conductive, borate-based, porous 13-93B3 bioactive glass composite scaffolds were prepared using a polymer foam replication technique. For this purpose, a slurry containing 40 vol% glass particles and 0-10 wt% graphene nanoplatelets was prepared by dispersing the particles in ethanol in the presence of ethyl cellulose. Composite scaffolds were subjected to a controlled heat treatment, in air atmosphere, to decompose the foam and sinter the glass particles into a dense network...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28541038/conical-ionic-amphiphiles-endowed-with-micellization-ability-but-lacking-air-and-oil-water-interfacial-activity
#7
Hirohisa Nitta, Koji Harano, Mayuko Isomura, Ellen H G Backus, Mischa Bonn, Eiichi Nakamura
Micellization in water and reduction of the surface tension of water interfaces with air and oil are two archetypical properties of surfactants, caused by self-aggregation and Gibbs monolayer formation at the interfaces, respectively. We present here a new type of amphiphiles that possess a conical shape consisting of a hydrophobic apex and five ionic termini at its base of the cone. The conical shape and the high charge density cooperatively impede the monolayer formation at the interfaces, and hence prevent foaming and emulsification...
May 25, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28540589/erratum-to-calcipotriol-plus-betamethasone-dipropionate-aerosol-foam-in-patients-with-moderate-to-severe-psoriasis-sub-group-analysis-of-the-pso-able-study
#8
Carle Paul, Craig Leonardi, Alan Menter, Kristian Reich, Linda Stein Gold, Richard B Warren, Anders Møller, Mark Lebwohl
No abstract text is available yet for this article.
May 24, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28540552/application-of-ruo2-ni-foam-electrodes-for-remediation-of-ibuprofen-in-soil-matrix-the-effect-of-electrokinetic-parameters
#9
Ching Yuan, Chung-Hsuang Hung, Tzu-Yuan Huang
Pharmaceuticals and personal care products (PPCPs) are an extraordinary and diverse group of chemicals used in veterinary medicine, agriculture, and for human health and cosmetics care. They are considered emerging contaminants and have raised great concern in recent years. Among the PPCPs, ibuprofen (IBP) is one of the most known non-steroidal anti-inflammatory drugs, which has been found at a high concentration in irrigation water in the USA and showed harmful effect for organisms. This study examined IBP degradation performance by an electrokinetic process coupled with 24-96 cm(2) of RuO2/Ni foam (RN) electrodes applied 1-3 V cm(-1) potential gradient for 5-9 days...
May 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28539740/evaluation-of-antioxidant-hypolipidemic-and-antiatherogenic-property-of-lycopene-and-astaxanthin-in-atherosclerosis-induced-rats
#10
Rajesh Kumar, Kartik Janardan Salwe, Manimekalai Kumarappan
BACKGROUND: Atherosclerosis is one of the major causes of morbidity and mortality in the world. Antioxidants play a major role in prophylaxis and prevention of progression and complications of atherosclerosis. OBJECTIVE: In this study, we are evaluating the antiatherosclerotic effect of two antioxidants such as astaxanthin and lycopene. MATERIALS AND METHODS: After acclimatization, 24 male SD rats, 8-10 weeks old, 150 ± 10 g, maintained as per CPCSEA guidelines were divided into four groups of six rats each...
April 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28539234/biodegradable-pcl-fibroin-hydroxyapatite-porous-scaffolds-prepared-by-supercritical-foaming-for-bone-regeneration
#11
Luis Diaz-Gomez, Carlos A García-González, Jiamian Wang, Fang Yang, Salvador Aznar-Cervantes, Jose Luis Cenis, Ricardo Reyes, Araceli Delgado, Carmen Évora, Angel Concheiro, Carmen Alvarez-Lorenzo
Regenerative medicine seeks advanced solutions for bone repair in the form of bioactive synthetic scaffolds by using simple and reproducible processing techniques. In this work, poly-ε-caprolactone (PCL)-based porous scaffolds with improved osteoconductive and osteoinductive properties were processed by supercritical foaming through a careful tuning of components and processing conditions. Composite scaffolds were prepared from various combinations of PCL, silk fibroin and nano-hydroxyapatite (nHA). The green and cost-effective supercritical CO2 foaming method applied rendered solid scaffolds with 67-70% porosity...
May 21, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28537907/sirt1-inhibition-promotes-atherosclerosis-through-impaired-autophagy
#12
Xiaofeng Yang, Jingyuan Wei, Yanhao He, Ting Jing, Yanxiang Li, Yunfang Xiao, Bo Wang, Weirong Wang, Jiye Zhang, Rong Lin
SIRT1, a highly conserved NAD+-dependent protein deacetylase, plays a pivotal role in the pathogenesis and therapy of atherosclerosis (AS). The aim of this study is to investigate the potential effects of SIRT1 on AS in ApoE-/- mice and the underlying mechanisms of autophagy in an ox-LDL-stimulated human monocyte cell line, THP-1. In vivo, the accelerated atherosclerotic progression of mice was established by carotid collar placement; then, mice were treated for 4 weeks with a SIRT1-specific inhibitor, EX-527...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28536311/vascular-endothelial-growth-factor-vegf-modified-macrophages-transdifferentiate-into-endothelial-like-cells-and-decrease-foam-cell-formation
#13
Dan Yan, Yujuan He, Jun Dai, Lili Yang, Xiaoyan Wang, Qiurong Ruan
Macrophages are largely involved in the whole process of atherosclerosis from an initiation lesion to an advanced lesion. Endothelial disruption is the initial step and macrophage-derived foam cells are the hallmark of atherosclerosis. Promotion of vascular integrity and inhibition of foam cell formation are two important strategies for preventing atherosclerosis. How can we inhibit even reverse the negative role of macrophages in atherosclerosis? This study was performed to investigate if overexpressing endogenous human vascular endothelial growth factor (VEGF) could facilitate transdifferentiation of macrophages into endothelial-like cells (ELCs) and inhibit foam cell formation...
May 23, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28536018/physicochemical-and-functional-properties-of-ultrasonic-treated-tragacanth-hydrogels-cross-linked-to-lysozyme
#14
Roya Koshani, Mahmoud Aminlari
The purpose of this study was to prepare, characterize and investigate physiochemical and functional attributes of hen egg white lysozyme (LZM) cross-linked with ultrasonic-treated tragacanth (US-treated TGC) under mild Maillard reactions conditions. FT-IR spectroscopy together with OPA assay revealed that covalent attachment of LZM with TCG's. Under optimum condition (pH=8.5, 60°C, RH=79%, 8 days), only one of the free amino group of LZM was blocked by TGC whereas under the same condition, US treated-TGC's blocked about three amino groups...
May 20, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28535903/foams-from-nature-to-industry
#15
REVIEW
Christopher Hill, Julian Eastoe
This article discusses different natural and man-made foams, with particular emphasis on the different modes of formation and stability. Natural foams, such as those produced on the sea or by numerous creatures for nests, are generally stabilised by dissolved organic carbon (DOC) molecules or proteins. In addition to this, foam nests are stabilised by multifunctional mixtures of surfactants and proteins called ranaspumins, which act together to give the required physical and biochemical stability. With regards to industrial foams, the article focuses on how various features of foams are exploited for different industrial applications...
May 12, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28535722/anisotropic-polyethersulfone-foam-for-bicycle-helmet-liners-to-reduce-rotational-acceleration-during-oblique-impact
#16
Kelly Vanden Bosche, Yasmine Mosleh, Bart Depreitere, Jos Vander Sloten, Ignaas Verpoest, Jan Ivens
Although current standard bicycle helmets protect cyclists against linear acceleration, they still lack sufficient protection against rotational acceleration during oblique impact events. Rotational acceleration is correlated with serious traumatic brain injuries such as acute subdural haematoma and thus should be minimized. This study proposes using highly anisotropic polyethersulfone foam for bicycle helmet liners in order to limit the rotational acceleration. Helmet prototypes, made of polyethersulfone foam with cell anisotropy direction perpendicular to the head, have been produced and compared to a standard commercial helmet...
May 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28535354/high-capacity-and-ultrafast-na-ion-storage-of-self-supported-3d-porous-antimony-persulfide-graphene-foam-architecture
#17
Yanying Lu, Ning Zhang, Shuang Jiang, Yudong Zhang, Meng Zhou, Zhanliang Tao, Lynden A Archer, Jun Chen
The key challenge for high performance sodium-ion batteries is the exploitation of appropriate electrode materials with long cycling stability and high rate capability. Here, we report Sb2S5 nanoparticles (~ 5 nm) uniformly encapsulated in three-dimensional (3D) porous graphene foam, which were fabricated by a facile hydrothermal co-assembly strategy, as a high-performance anode material for sodium-ion batteries. The as-prepared composite can be directly used as electrodes without adding binder or current collector, exhibiting outstanding electrochemical performance with high reversible capacity (845 mAh g-1 at 0...
May 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28535047/electronic-and-morphological-dual-modulation-of-cobalt-carbonate-hydroxides-by-mn-doping-towards-highly-efficient-and-stable-bifunctional-electrocatalysts-for-overall-water-splitting
#18
Tang Tang, Wen-Jie Jiang, Shuai Niu, Ning Liu, Hao Luo, Yu-Yun Chen, Shi-Feng Jin, Feng Gao, Li-Jun Wan, Jin-Song Hu
Developing bifunctional non-noble electrocatalysts for efficient and durable oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is highly desirable and challenging for overall water splitting. Herein, Co-Mn carbonate hydroxide (CoMnCH) nanosheet arrays with controllable morphology and composition were developed on nickel foam (NF) as such bifunctional electrocatalysts. It was discovered that Mn doping in CoCH can simultaneously modulate the nanosheet morphology to significantly increase the electrochemical active surface area for exposing more accessible active sites and tune the electronic structure of Co center to effectively boost its intrinsic activity...
May 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28534609/au-promoted-nickel-iron-layered-double-hydroxide-nanoarrays-a-modular-catalyst-enabling-high-performance-oxygen-evolution
#19
Wenxin Zhu, Lizhi Liu, Zhihao Yue, Wentao Zhang, Xiaoyue Yue, Jing Wang, Shaoxuan Yu, Li Wang, Jianlong Wang
Oxygen evolution reaction (OER) has played a pivotal role in many energy conversion and storage technologies like water electrolysis, fuel cells, and metal-air batteries. However, the slow kinetics of OER limit the performance and commercialization of such devices. Herein, we report on NiFe LDH@Au hybrid nanoarrays on Ni foam for much enhanced OER. By hybridization of electronegative Au and NiFe LDH with intrinsic remarkable OER catalytic activity, this modular electrode could drive an overall ultrahigh-performance and robust OER in base with the demand of overpotentials of only 221, 235 and 270 mV to afford 50, 100 and 500 mA cm-2, respectively...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28532889/effect-of-self-myofascial-release-on-myofascial-pain-muscle-flexibility-and-strength-a-narrative-review
#20
Leonid Kalichman, Chen Ben David
BACKGROUND: Numerous techniques have been employed to treat myofascial pain syndrome. Self-myofascial release (SMFR) is a relatively new technique of soft tissue mobilization. The simplicity and portability of the SMFR tools allow it to be easily implemented in any type of fitness or rehabilitation program. It is an active method and can be used by anyone at home or at the workplace. OBJECTIVE: To review the current methods of SMFR, their mechanisms, and efficacy in treating myofascial pain, improving muscle flexibility and strength...
April 2017: Journal of Bodywork and Movement Therapies
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