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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/28340523/nanostructured-co-mn-3o4-for-high-capacitive-supercapacitor-applications
#2
Qinghua Tian, Xiang Wang, Guoyong Huang, Xueyi Guo
Nanostructured Co doped Mn3O4 spinel structure ((Co, Mn)3O4) were prepared by co-precipitation under O3 oxidizing conditions and post-heat treatment. The product was composed of nanogranules with a diameter of 20-60 nm. The electrochemical performance of (Co, Mn)3O4 electrode was tested by cyclic voltammetry, impedance, and galvanostatic charge-discharge measurements. A maximum specific capacitance value of 2701.0 F g(-1) at a current density of 5 A g(-1) could be obtained within the potential range from 0...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28340509/liver-transplant-lt-recipients-with-nonalcoholic-steatohepatitis-nash-have-lower-risk-hepatocellular-carcinoma-hcc
#3
Sara M Lewin, Neil Mehta, R Kate Kelley, John P Roberts, Francis Y Yao, Danielle Brandman
BACKGROUND: Liver transplantation is a well-established treatment for HCC in carefully selected patients. Risk factors for tumors with poor prognostic features on explant have not been well described in a national cohort. METHODS: We performed a retrospective cohort study of adult LT recipients with HCC transplanted from 4/8/12 (when explant pathology in UNOS became available) until 9/30/2014. We evaluated the association between listing diagnosis and other demographic factors with tumor features on explant using logistic regression...
March 24, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28340508/dyspareunia-in-a-survivor-of-childhood-sexual-abuse
#4
Jenna A LoGiudice
Dyspareunia is a frequent chief concern encountered by midwives and other women's health care providers. There are many possible etiologies for dyspareunia, including a history of childhood sexual abuse, and approaching assessment in a holistic manner is necessary to identify the etiology. This case report presents evidence on the importance of screening a woman who presents with dyspareunia in a therapeutic manner to facilitate disclosure of sexual abuse. Best practices for screening for sexual violence, along with recommendations for providing gynecologic care to survivors, are offered...
March 24, 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/28340496/recent-developments-in-nanomedicine-for-melanoma-treatment
#5
REVIEW
Jian-Qin Tang, Xiao-Yang Hou, Chun-Sheng Yang, Ya-Xi Li, Yong Xin, Wen-Wen Guo, Zhi-Ping Wei, Yan-Qun Liu, Guan Jiang
Melanoma is a most aggressive skin cancer with limited therapeutic options and its incidence is increasing rapidly in recent years. The discovery and application of new targeted therapy agents have shown significant benefits. However, adverse side-effects and resistance to chemotherapy remain formidable challenges in the clinical treatment of malignant melanoma. Nanotherapeutics offers an important prospect of overcoming these drawbacks. The anti-tumoral applications of nanomedicine are varied, including those in chemotherapy, RNA interference, photothermal therapy, and photodynamic therapy...
March 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28340493/conservative-treatment-with-octreotide-to-provide-early-recovery-of-children-with-esophageal-perforation
#6
Ramazan Karabulut, Zafer Turkyilmaz, Kaan Sonmez, Abdullah Can Basaklar
Background The effectiveness of nonoperative treatment of esophageal perforation (EP) in children with octreotide is highlighted. Methods Records of nine patients (seven boys and two girls with an average age of 5.83 ± 5.35 years) with EP were reviewed. Results EP developed in six patients during dilation of esophageal stenosis (five of six caused by caustic burns). In the other three patients, EP developed after nasogastric placement, after endotracheal intubation, and during endoscopy for foreign body...
March 24, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28340463/hypoxia-and-hydrogen-sulfide-differentially-affect-normal-and-tumor-derived-vascular-endothelium
#7
Serena Bianco, Daniele Mancardi, Annalisa Merlino, Benedetta Bussolati, Luca Munaron
BACKGROUND: endothelial cells play a key role in vessels formation both under physiological and pathological conditions. Their behavior is influenced by blood components including gasotransmitters (H2S, NO and CO). Tumor cells are subjected to a cyclic shift between pro-oxidative and hypoxic state and, in this scenario, H2S can be both cytoprotective and detrimental depending on its concentration. H2S effects on tumors onset and development is scarcely studied, particularly concerning tumor angiogenesis...
March 18, 2017: Redox Biology
https://www.readbyqxmd.com/read/28340459/transcriptional-profiling-of-porcine-granulosa-cells-exposed-to-2-3-7-8-tetrachlorodibenzo-p-dioxin
#8
Agnieszka Sadowska, Anna Nynca, Monika Ruszkowska, Lukasz Paukszto, Kamil Myszczynski, Karina Orlowska, Sylwia Swigonska, Tomasz Molcan, Jan P Jastrzebski, Renata E Ciereszko
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is a toxic man-made chemical compound contaminating the environment. An exposure of living organisms to TCDD may result in numerous disorders, including reproductive pathologies. The aim of the current study was to examine the effects of TCDD on the transcriptome of porcine granulosa cell line AVG-16. By employing next-generation sequencing (NGS) we aimed to identify genes potentially involved in the mechanism of TCDD action and toxicity in porcine granulosa cells...
March 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28340455/toxicological-and-behavioral-responses-as-a-tool-to-assess-the-effects-of-natural-and-synthetic-dyes-on-zebrafish-early-life
#9
Flavia R Abe, Jacqueline N Mendonça, Luiz A B Moraes, Gisele A R de Oliveira, Carlos Gravato, Amadeu M V M Soares, Danielle P de Oliveira
Organic dyes extracted from natural sources have been widely used to develop safety and eco-friendly dyes as an alternative to synthetic ones, since the latter are usually precursors of mutagenic compounds. Thereby, toxicity tests to non-target organisms are critical step to develop harmless dyes to environment and in this context, zebrafish early life stages are becoming an important alternative model. We aimed to assess the toxic effects of the synthetic dye Basic Red 51 (BR51, used in cosmetic industry), the natural dye erythrostominone (ERY, a potential commercial dye extracted from fungi) and its photodegradation product (DERY), using zebrafish early life assays...
March 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/28340454/pea-cultivar-and-wheat-residues-affect-carbon-nitrogen-dynamics-in-pea-triticale-intercropping-a-microcosms-approach
#10
Antonella Scalise, Valentini A Pappa, Antonio Gelsomino, Robert M Rees
The underlying mechanisms by which legume cultivars contribute to nitrous oxide (N2O) generation are poorly understood. The aim of the present study was to explore the effects of two pea cultivars (Zero4 and Nitouche) intercropped with triticale, with or without wheat (Triticum aestivum) residues incorporation, on soil C and N dynamics, on bacterial community structure and their links with N2O emissions. Monocrops and bare soil (no plant) treatments were used as an additional control in order to account for the level of mineralisation between treatments...
March 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28340453/long-term-nitrogen-deposition-increases-heathland-carbon-sequestration
#11
Chris D Field, Chris D Evans, Nancy B Dise, Jane R Hall, Simon J M Caporn
The large increases in reactive nitrogen (N) deposition in developed countries since the Industrial Revolution have had a marked impact on ecosystem functioning, including declining species richness, shifts in species composition, and increased N leaching. A potential mitigation of these harmful effects is the action of N as a fertiliser, which, through increasing primary productivity (and subsequently, organic matter production), has the potential to increase ecosystem carbon (C) storage. Here we report the response of an upland heath to 10years of experimental N addition...
March 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28340452/a-study-of-photosynthetic-biogas-upgrading-based-on-a-high-rate-algal-pond-under-alkaline-conditions-influence-of-the-illumination-regime
#12
Mariana Franco-Morgado, Cynthia Alcántara, Adalberto Noyola, Raúl Muñoz, Armando González-Sánchez
Microalgal-bacterial processes have emerged as environmental friendly systems for the cost-effective treatment of anaerobic effluents such as biogas and nutrients-laden digestates. Environmental parameters such as temperature, irradiation, nutrient concentration and pH effect the performance of the systems. In this paper, the potential of a microalgal-bacterial photobioreactor operated under high pH (≈9.5) and high alkalinity to convert biogas into biomethane was evaluated. The influence of the illumination regime (continuous light supply vs 12h/12h light/dark cycles) on the synthetic biogas upgrading efficiency, biomass productivity and nutrient removal efficiency was assessed in a High-Rate Algal Pond interconnected to a biogas absorption bubble column...
March 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28340451/the-role-of-drug-drug-interactions-in-prostate-cancer-treatment-focus-on-abiraterone-acetate-prednisone-and-enzalutamide
#13
REVIEW
Marzia Del Re, Stefano Fogli, Lisa Derosa, Francesco Massari, Paul De Souza, Stefania Crucitta, Sergio Bracarda, Daniele Santini, Romano Danesi
Elderly patients with cancer may have comorbidities, each requiring additional pharmacologic treatment. Therefore, the occurrence of pharmacokinetic (PK) and pharmacodynamic (PD) interactions is very likely, and the risk of adverse reactions (ADRs), due to the narrow therapeutic window of anticancer drugs, is increased. Drug-drug interactions (DDIs) may occur in prostate cancer patients due to inhibition by abiraterone of liver cytochrome P450 (CYP)-dependent enzymes CYP2C8 and 2D6, which are involved in the metabolism of approximately 25% of all drugs, and induction by enzalutamide of CYP3A4, 2C9 and 2C19, which metabolize up to 50% of medications...
March 9, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28340450/health-promotion-and-psychological-interventions-for-adolescent-and-young-adult-cancer-survivors-a-systematic-literature-review
#14
REVIEW
Natalie Katrina Bradford, Raymond Javan Chan
BACKGROUND: The effects of cancer and treatment have severe and long lasting negative impacts on quality of life. Adolescents and Young Adults (AYA) have high survival rates but may not reach their full life potential because of these consequences. This review aims to identify, appraise and synthesise the effects of health promotion and psychological interventions for AYA after cancer treatment. METHODS: The review was undertaken using the preferred reporting items for systematic reviews and meta-analyses guidelines...
March 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28340445/an-updated-meta-analysis-short-term-therapeutic-effects-of-repeated-transcranial-magnetic-stimulation-in-treating-obsessive-compulsive-disorder
#15
REVIEW
Dong-Dong Zhou, Wo Wang, Gao-Mao Wang, Da-Qi Li, Li Kuang
BACKGROUND: This study was conducted to evaluate the short-term therapeutic effects of using repeated transcranial magnetic stimulation (rTMS) to treat obsessive-compulsive disorder (OCD) and to examine potential influencing factors. METHOD: We searched the PubMed, EMBASE, CENTRAL, Wanfang, CNKI, and Sinomed databases on September 18, 2016 and reviewed the references of previous meta-analyses. Sham-controlled, randomized clinical trials using rTMS to treat OCD were included...
March 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28340444/comparative-effectiveness-of-dual-action-versus-single-action-antidepressants-for-the-treatment-of-depression-in-people-living-with-hiv-aids
#16
Jon C Mills, Jeffrey S Harman, Robert L Cook, Nicole M Marlow, Christopher A Harle, R Paul Duncan, Angela M Bengtson, Brian W Pence
BACKGROUND: Depression is the most common psychiatric comorbidity among people living with HIV/AIDS (PLWHA). Little is known about the comparative effectiveness between different types of antidepressants used to treat depression in this population. We compared the effectiveness of dual-action and single-action antidepressants in PLWHA for achieving remission from depression. METHODS: We used data from the Centers for AIDS Research Network of Integrated Clinic Systems to identify 1175 new user dual-action or single-action antidepressant treatment episodes occurring from 2005 to 2014 for PLWHA diagnosed with depression...
March 19, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28340438/long-term-stability-and-nutrient-removal-efficiency-of-aerobic-granules-at-low-organic-loads
#17
Abbass Jafari Kang, Qiuyan Yuan
The feasibility of application of aerobic granular sludge cultivated with high organic loads for biological nutrient removal (BNR) from low-strength wastewater was studied. Granules obtained with high-strength (COD=1400mg/L) wastewater were fed with medium (COD=700mg/L) and then low-strength (COD=400mg/L) wastewater. The granules rapidly acclimated to the medium-strength wastewater. However, feeding with low-strength wastewater reduced the F/M ratio from 0.4 to 0.2gCOD/gVSSd and granules disintegration occurred...
March 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28340436/a-comparative-study-on-biochemical-methane-potential-of-algal-substrates-implications-of-biomass-pre-treatment-and-product-extraction
#18
Faiz Ahmad Ansari, Shantanu Wahal, Sanjay Kumar Gupta, Ismail Rawat, Faizal Bux
Dried powdered algae (SDPA), heat treated algae (MHTA), lipid extracted algae (LEA) and protein extracted algae (PEA) were digested to determine biomethane potential. The average CH4 production rate was ∼2.5-times higher for protein and lipid extracted algae than for whole algae (SDPA and MHTA) whilst the cumulative CH4 production was higher for pre-treated algae. Highest cumulative CH4 production (318.7mlCH4g(-1)VS) was observed for MHTA followed by SDPA (307.4mlCH4g(-1)VS). CH4/CO2 ratios of 1.5 and 0.7 were observed for MHTA and LEA respectively...
March 14, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28340434/potentially-direct-interspecies-electron-transfer-of-methanogenesis-for-syntrophic-metabolism-under-sulfate-reducing-conditions-with-stainless-steel
#19
Yue Li, Yaobin Zhang, Yafei Yang, Xie Quan, Zhiqiang Zhao
Direct interspecies electron transfer (DIET) is an alternative to syntrophic metabolism in natural carbon cycle as well as in anaerobic digesters, but its function in anaerobic treatment of sulfate-containing wastewater have not yet to be described. Here, conductive stainless steel was added into anaerobic digesters for treating sulfate-containing wastewater to investigate the potential role of DIET in the response to the sulfate impact. Results showed that adding the conductive stainless steel made the anaerobic digestion less affected by the sulfate reduction than adding insulative plastic material...
March 12, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28340433/feasibility-of-carbon-dioxide-sequestration-by-spongiochloris-sp-microalgae-during-petroleum-wastewater-treatment-in-airlift-bioreactor
#20
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
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