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https://www.readbyqxmd.com/read/28340531/zinc-oxide-coating-effect-for-the-dye-removal-and-photocatalytic-mechanisms-of-flower-like-mos2-nanoparticles
#1
Qingyong Tian, Wei Wu, Shuanglei Yang, Jun Liu, Weijing Yao, Feng Ren, Changzhong Jiang
Flower-like MoS2 nanoparticles (NPs) consist of ultra-thin MoS2 nanosheets are synthesized via a facile one-pot hydrothermal method. The MoS2/ZnO p-n heterostructure is formed by coating n-type ZnO on the surface of flower-like MoS2 NPs through the seed-mediate route and post-annealing treatment. The effects for the dye removal and photocatalytic performances after ZnO coating are systematically investigated. The results demonstrated that the coating of ZnO nanoparticles has a positive promotion to the photodegrading properties while negative effect on the adsorption capacity of the MoS2/ZnO heterostructures...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28340522/tin-oxide-carbon-coated-sepiolite-nanofibers-with-enhanced-lithium-ion-storage-property
#2
Kai Hou, Xin Wen, Peng Yan, Aidong Tang, Huaming Yang
Natural sepiolite (Sep) nanofibers were coated with carbon and nanoscale SnO2 to prepare an emerging nanocomposite (SnO2-C@Sep), which exhibited enhanced electrochemical performance. Sepiolite could act as a steady skeleton, carbon coating principally led sepiolite from an isolated to an electric state, and decoration of nanoscale SnO2 was beneficial to the functionization of sepiolite. Cycling performances indicated that SnO2-C@Sep showed higher discharge capacities than commercial SnO2 after 50 cycles. The nanocomposite SnO2-C@Sep possessed enhanced lithium storage properties with stable capacity retention and low cost, which could open up a new strategy to synthesize a variety of functional hybrid materials based on the cheap and abundant clay and commercialization of lithium-metal oxide batteries...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28340469/characterization-and-expression-patterns-of-key-c4-photosynthetic-pathway-genes-in-bread-wheat-triticum-aestivum-l-under-field-conditions
#3
Daoura Goudia Bachir, Iqbal Saeed, Quanhao Song, Tay Zar Linn, Liang Chen, Yin-Gang Hu
Wheat is a C3 plant with relatively low photosynthetic efficiency and is a potential target for C4 photosynthetic pathway engineering. Here we reported the characterization of four key C4 pathway genes and assessed their expression patterns and enzymatic activities at three growth stages in flag leaves of 59 bread wheat genotypes. The C4-like genes homologous to PEPC, NADP-ME, MDH, and PPDK in maize were identified in the A, B, and D sub-genomes of bread wheat, located on the long arms of chromosomes 3 and 5 (TaPEPC), short arms of chromosomes 1 and 3 (TaNADP-ME), long arms of chromosomes 1 and 7 (TaMDH), and long arms of chromosome 1 (TaPPDK), respectively...
March 9, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28340433/feasibility-of-carbon-dioxide-sequestration-by-spongiochloris-sp-microalgae-during-petroleum-wastewater-treatment-in-airlift-bioreactor
#4
Abdeldjalil Abid, Faten Saidane, Moktar Hamdi
The aim of this work was to study the ability of using Hydrocabonoclastic native microbial and Spongiochloris sp microalgae in airlift bioreactors couples in order to restore hydrocarbons wastewater and develop the capacity of natural systems to reduce greenhouse effect through maximal control of CO2 gas emission in atmosphere. The kinetic parameters of CO2 gas fixation level and conversion it into biological material by microalgae as the biodegradation process effect in hydrocarbon have been evaluated. The result present that maximum specific growth rate μmax of Spongiochloris sp was (0...
March 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28340423/carbon-nanotube-impeded-transport-of-non-steroidal-anti-inflammatory-drugs-in-xiangjiang-sediments
#5
Jin Yan, Ji-Lai Gong, Guang-Ming Zeng, Biao Song, Peng Zhang, Hong-Yu Liu, Shuang-Yan Huan, Xiao-Dong Li
Carbon nanotubes (CNTs), usually with a superior affinity with organic chemicals, are expected to ultimately released to the environment through their manufacturing, usage, and eventual disposal, which will influence the mobility and environmental risk of nonsteroidal anti-inflammatory drugs (NSAIDs). In this study, batch and column experiments were performed to examine the effects of two kinds of multi-walled carbon nanotubes (MWCNTs: MWCNT2040, MWCNT0815) and one kind of single-walled carbon nanotubes (SWCNTs) on the environmental fate of two NSAIDs, paracetamol (PA) and diclofenac sodium (DS), in sediments...
March 6, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28340420/extended-anaerobic-conditions-in-the-biological-wastewater-treatment-higher-reduction-of-toxicity-compared-to-target-organic-micropollutants
#6
Johannes Völker, Tobias Vogt, Sandro Castronovo, Arne Wick, Thomas A Ternes, Adriano Joss, Jörg Oehlmann, Martin Wagner
Extended anaerobic conditions during biological wastewater treatment may enhance the biodegradation of micropollutants. To explore this, we combined iron-reducing or substrate-limited anaerobic conditions and aerobic pilot-scale reactors directly at a wastewater treatment plant. To investigate the detoxification by these processes, we applied two in vitro bioassays for baseline toxicity (Microtox) and reactive toxicity (AREc32) as well as in vivo bioassays with aquatic model species in two laboratory experiments (Desmodesmus subspicatus, Daphnia magna) and two on-site, flow-through experiments (Potamopyrgus antipodarum, Lumbriculus variegatus)...
March 14, 2017: Water Research
https://www.readbyqxmd.com/read/28340410/development-of-fusogenic-glass-surfaces-that-impart-spatiotemporal-control-over-macrophage-fusion-direct-visualization-of-multinucleated-giant-cell-formation
#7
James J Faust, Wayne Christenson, Kyle Doudrick, Robert Ros, Tatiana P Ugarova
Implantation of synthetic material, including vascular grafts, pacemakers, etc. results in the foreign body reaction and the formation of multinucleated giant cells (MGCs) at the exterior surface of the implant. Despite the long-standing premise that fusion of mononucleated macrophages results in the formation of MGCs, to date, no published study has shown fusion in context with living specimens. This is due to the fact that optical-quality glass, which is required for the majority of live imaging techniques, does not promote macrophage fusion...
March 2, 2017: Biomaterials
https://www.readbyqxmd.com/read/28340382/the-bdnfval66met-polymorphism-and-individual-differences-in-temperament-in-4-month-old-infants-a-pilot-study
#8
Lorenzo Giusti, Livio Provenzi, Daniela Tavian, Sara Missaglia, Niccolò Butti, Rosario Montirosso
Individual differences in infants' temperament are under genetic control. We investigated the association between brain-derived-neurotrophic-factor (BDNFval66met) polymorphism and temperament in 63 full-term infants. Met-carriers (N=25) had lower Regulatory capacities compared to val-homozygotes (N=38). These findings suggest that the BDNF polymorphism affects early temperament individual differences.
March 21, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28340359/diabetic-foot-ulcer-development-risk-classifications-validation-a-multicentre-prospective-cohort-study
#9
M Monteiro-Soares, R Ribas, C Pereira da Silva, T Bral, A Mota, S Pinheiro Torres, A Morgado, R Couceiro, R Ribeiro, V Dias, M Moreira, P Mourão, M J Oliveira, M Madureira, V Paixão-Dias, M Dinis-Ribeiro
AIMS: To prospectively validate the existing classifications to stratify subjects with diabetes mellitus (DM) by their risk of diabetic foot ulcer (DFU), in high and low risk settings. METHODS: A prospective multicentre cohort study was conducted, including 446 subjects with DM without active DFU followed in the hospital or primary care setting. Demographic, clinical characterization variables, and those included in the classifications were collected at baseline...
March 9, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28340306/the-effects-of-positive-end-expiratory-pressure-at-different-levels-on-postoperative-respiration-parameters-in-patients-undergoing-laparoscopic-cholecystectomy
#10
Bahadır Ciftci, Mehmet Aksoy, Ilker Ince, Ali Ahıskalıoglu, Elif Yılmazel Ucar
Purpose/Aim of the study: We investigated the effects of different positive end-expiratory pressure (PEEP) levels on postoperative respiration parameters in patients undergoing laparoscopic cholecystectomy. MATERIALS AND METHODS: One hundred and five consecutive patients were randomly divided to three groups (n = 35, for each group). Group I did not receive PEEP whereas group II received PEEP as 5 cmH2O and group III received PEEP as 8 cm H2O. Measurements with spirometer were taken 1 hour before the operation (T1) and, 1 (T2), 6 (T3), and 24 hours (T4) after extubation by an anesthetist...
March 24, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28340285/the-six-minute-walk-test-in-patients-with-al-amyloidosis-a-single-centre-case-series
#11
Vina Pulido, Gheorghe Doros, John L Berk, Vaishali Sanchorawala
The six-minute walk test (6MWT) has been widely used as an objective evaluation of functional exercise capacity and response to medical intervention in cardiopulmonary diseases. However, little is known about the 6MWT in evaluating patients with AL amyloidosis. We performed a retrospective study of 120 adults with systemic AL amyloidosis (60 with cardiac involvement and 60 without cardiac involvement) who had their initial evaluation at the Amyloidosis Center between 2013 and 2015 and had undergone 6MWT as a measure of functional exercise capacity...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28340269/prevention-of-dna-damage-and-anticarcinogenic-activity-of-activia-%C3%A2-in-a-preclinical-model
#12
S M A Limeiras, F M Ogo, L A L Genez, C M Carreira, E J T Oliveira, L R Pessatto, S C Neves, J R Pesarini, L C Schweich, R A Silva, W B Cantero, A C M B Antoniolli-Silva, R J Oliveira
Colorectal cancer is a global public health issue. Studies have pointed to the protective effect of probiotics on colorectal carcinogenesis. Activia(®) is a lacto probiotic product that is widely consumed all over the world and its beneficial properties are related, mainly, to the lineage of traditional yoghurt bacteria combined with a specific bacillus, DanRegularis, which gives the product a proven capacity to intestinal regulation in humans. The aim of this study was to evaluate the antigenotoxic, antimutagenic, and anticarcinogenic proprieties of the Activia product, in response to damage caused by 1,2-dimethylhydrazine (DMH) in Swiss mice...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340224/the-association-of-context-specific-sitting-time-and-physical-activity-intensity-to-working-memory-capacity-and-academic-achievement-in-young-adults
#13
Mireia Felez-Nobrega, Charles H Hillman, Eva Cirera, Anna Puig-Ribera
To examine combined associations between self-reported context-specific sitting time (ST) and physical activity (PA) with working memory capacity (WMC) and academic achievement in a sample of Spanish adults. Undergraduate students ( n = 371; 21 years ± 3 years, 44% female) were recruited from University of Vic-Central University of Catalonia. Participants completed a 54-item survey that assessed socio-demographic variables (e.g. age, gender, academic year), min/week of light (LPA), moderate (MPA) and vigorous (VPA) intensity PA (International Physical Activity Questionnaire), min/day of domain-specific ST (Last 7 days sedentary behavior questionnaire) and academic performance (grade point average)...
March 18, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28340187/biofilm-adherence-and-hydrophobicity-as-virulence-factors-in-malassezia-furfur
#14
Letizia Angiolella, Claudia Leone, Florencia Rojas, Javier Mussin, María de Los Angeles Sosa, Gustavo Giusiano
Malassezia species are natural inhabitants of the healthy skin. However, under certain conditions, they may cause or exacerbate several skin diseases. The ability of this fungus to colonize or infect is determined by complex interactions between the fungal cell and its virulence factors. This study aims to evaluate "in vitro" the hydrophobicity levels, the adherence on a plastic surface and the biofilm formation of 16 clinical isolates of Malassezia furfur. Cellular surface hydrophobicity (CSH) levels were determined by two-phase system...
March 9, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28340151/effect-of-excess-dietary-fluoride-on-laying-performance-and-antioxidant-capacity-of-laying-hens
#15
L P Miao, M Y Zhou, X Y Zhang, C Yuan, X Y Dong, X T Zou
The objective of this study was to investigate the effects of excess dietary fluoride (F) on laying performance and antioxidant capacity of laying hens. A total of 576 laying hens, 51 wk old, was randomly divided into 6 groups, each of which included 6 replicates of 16 hens. Graded amounts of sodium fluoride (NaF) were added to the basal diet to achieve concentrations of 16 (control), 200, 400, 600, 800, and 1,000 mg/kg F, respectively. Dietary F at 1,000 mg/kg significantly decreased ADFI, laying rate, and average egg weight, and increased feed conversion ratio (FCR) (P < 0...
March 11, 2017: Poultry Science
https://www.readbyqxmd.com/read/28340117/an-evaluation-of-the-performance-of-the-dynamiker%C3%A2-fungus-1-3-%C3%AE-d-glucan-assay-to-assist-in-the-diagnosis-of-invasive-aspergillosis-invasive-candidiasis-and-pneumocystis-pneumonia
#16
P Lewis White, Jessica S Price, Raquel B Posso, Rosemary A Barnes
Invasive fungal disease (IFD) can be caused by a range of pathogens. Conventional diagnosis has the capacity to detect most causes of IFD, but poor performance limits impact. The introduction of non-culture diagnostics, including the detection of (1-3)-β-D-Glucan (BDG), has shown promising performance for the detection of IFD in variety of clinical settings. Recently, the Dynamiker® Fungus (1-3)-β-D-Glucan assay (D-BDG) was released as an IFD diagnostic test. This article describes an evaluation of the D-BDG assay for the diagnosis of invasive aspergillosis (IA), invasive candidiasis (IC) and Pneumocystis pneumonia (PCP) across several high-risk patient cohorts and provides comparative data with the Associates of Cape Cod Fungitell® and BioRad Platelia™ Aspergillus Ag (GM) assays...
March 3, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28340090/predictive-value-of-european-scleroderma-group-activity-index-in-an-early-scleroderma-cohort
#17
Tatiana Nevskaya, Murray Baron, Janet E Pope
Objective.: To estimate the effect of disease activity, as measured by the European Scleroderma Research Group Activity Index (EScSG-AI), on the risk of subsequent organ damage in a large systemic sclerosis (SSc) cohort. Methods.: Of 421 SSc patients from the Canadian Scleroderma Research Group database with disease duration of ⩽ 3 years, 197 who had no evidence of end-stage organ damage initially and available 3 year follow-up were included. Disease activity was assessed by the EScSG-AI with two variability measures: the adjusted mean EScSG-AI (the area under the curve of the EScSG-AI over the observation period) and persistently active disease/flare...
March 17, 2017: Rheumatology
https://www.readbyqxmd.com/read/28340089/how-embryophytic-is-the-biosynthesis-of-phenylpropanoids-and-their-derivatives-in-streptophyte-algae
#18
Jan de Vries, Sophie de Vries, Claudio H Slamovits, Laura E Rose, John M Archibald
The origin of land plants from algae is a long-standing question in evolutionary biology. It is becoming increasingly clear that many characters that were once assumed to be "embryophyte-specific" can in fact be found in their closest algal relatives, the streptophyte algae. One such case is the phenylpropanoid pathway. While biochemical data indicate that streptophyte algae harbor lignin-like components, the phenylpropanoid core pathway, which serves as the backbone of lignin biosynthesis, has been proposed to have arisen at the base of the land plants...
March 13, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28340031/one-year-clinical-correlates-of-etg-positive-urine-screening-in-alcohol-dependent-patients-a-survival-analysis
#19
Pablo Barrio, Silvia Mondon, Lídia Teixidor, Lluisa Ortega, Eduard Vieta, Antoni Gual
Aims: Little evidence exists supporting the efficacy of regular alcohol urine screening (RAUS) in the management of alcohol dependence, despite recent improvements in urine biomarkers. In this study, we aimed at investigating 1 year, differential clinical correlates between a positive and a negative baseline urine ethyl glucuronide (EtG) screening. Methods: Alcohol-dependent outpatients participating in a previous cross-sectional study where EtG and ethanol diagnostic performances were compared in a double blind design were included...
March 10, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28339968/optimization-of-dietary-zinc-for-egg-production-and-antioxidant-capacity-in-chinese-egg-laying-ducks-fed-a-diet-based-on-corn-wheat-bran-and-soybean-meal
#20
W Chen, S Wang, H X Zhang, D Ruan, W G Xia, Y Y Cui, C T Zheng, Y C Lin
The aim of this study was to evaluate the effect of zinc supplementation on productive performance and antioxidant status in laying ducks. Five-hundred-four laying ducks were divided into 7 treatments, each containing 6 replicates of 12 ducks. The ducks were caged individually and fed a corn-soybean meal and wheat bran basal diet (37 mg Zn/kg) or the basal diet supplemented with 15, 30, 45, 60, 75, or 90 mg Zn/kg (as zinc sulfate). During the early laying period of 10 d (daily egg production <80%), egg production, daily egg mass, and FCR increased quadratically with increasing dietary Zn levels (P < 0...
March 2, 2017: Poultry Science
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