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https://www.readbyqxmd.com/read/28933830/immobilized-cobalt-bis-benzenedithiolate-complexes-exceptionally-active-heterogeneous-electrocatalysts-for-dihydrogen-production-from-mildly-acidic-aqueous-solutions
#1
Shawn C Eady, Molly M MacInnes, Nicolai Lehnert
A series of cobalt bis(benzenedithiolate) complexes with varying benzenedithiolate (general abbreviation: bdt(2-)) ring substitutions (S2C6X4(2-)) were prepared and adsorbed on inexpensive electrodes composed of (a) reduced graphene oxide (RGO) electrodeposited on fluorine-doped tin oxide (FTO) and (b) highly ordered pyrolytic graphite (HOPG). The catalyst-adsorbed electrodes are characterized by X-ray photoelectron spectroscopy. Catalyst loading across the ligand series improved notably with increasing halide substitution [from 2...
September 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28933365/milk-s-role-as-an-epigenetic-regulator-in-health-and-disease
#2
REVIEW
Bodo C Melnik, Gerd Schmitz
It is the intention of this review to characterize milk's role as an epigenetic regulator in health and disease. Based on translational research, we identify milk as a major epigenetic modulator of gene expression of the milk recipient. Milk is presented as an epigenetic "doping system" of mammalian development. Milk exosome-derived micro-ribonucleic acids (miRNAs) that target DNA methyltransferases are implicated to play the key role in the upregulation of developmental genes such as FTO, INS, and IGF1. In contrast to miRNA-deficient infant formula, breastfeeding via physiological miRNA transfer provides the appropriate signals for adequate epigenetic programming of the newborn infant...
March 15, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28932663/mgo-nanoparticle-modified-anode-for-highly-efficient-sno2-based-planar-perovskite-solar-cells
#3
Junjie Ma, Guang Yang, Minchao Qin, Xiaolu Zheng, Hongwei Lei, Cong Chen, Zhiliang Chen, Yaxiong Guo, Hongwei Han, Xingzhong Zhao, Guojia Fang
Reducing the energy loss and retarding the carrier recombination at the interface are crucial to improve the performance of the perovskite solar cell (PSCs). However, little is known about the recombination mechanism at the interface of anode and SnO2 electron transfer layer (ETL). In this work, an ultrathin wide bandgap dielectric MgO nanolayer is incorporated between SnO2:F (FTO) electrode and SnO2 ETL of planar PSCs, realizing enhanced electron transporting and hole blocking properties. With the use of this electrode modifier, a power conversion efficiency of 18...
September 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28924523/the-interplay-of-genetics-and-environmental-factors-in-the-development-of-obesity
#4
REVIEW
Abu Baker Sheikh, Adeel Nasrullah, Shujaul Haq, Aisha Akhtar, Haider Ghazanfar, Amara Nasir, Rao M Afzal, Marvi M Bukhari, Ahtsham Yousaf Chaudhary, Syed W Naqvi
Obesity is a major health issue in the developed nations, and it has been increasingly clear that both genetics and environment play an important role in determining if an individual will be obese or not. We reviewed the latest researches which were carried out to identify the obesity susceptible genes and to identify the metabolic pathways having a central role in energy balance. Obesity is a heritable disorder, and some of the many obesity susceptible genes are fat mass and obesity (FTO), leptin, and Melanocortin-4 receptor (MC4R)...
July 6, 2017: Curēus
https://www.readbyqxmd.com/read/28917792/zno-nanotubes-supported-molecularly-imprinted-polymers-arrays-as-sensing-materials-for-electrochemical-detection-of-dopamine
#5
Hai-Hui Wang, Xuan-Jie Chen, Wei-Tian Li, Wen-Hui Zhou, Xiu-Chun Guo, Wen-Yi Kang, Dong-Xing Kou, Zheng-Ji Zhou, Yue-Na Meng, Qing-Wen Tian, Si-Xin Wu
In this study, ZnO nanotubes (ZNTs) were prepared onto fluorine-doped tin oxide (FTO) glass and used as supports for MIPs arrays fabrication. Due to the imprinted cavities are always located at both inner and outer surface of ZNTs, these ZNTs supported MIPs arrays have good accessibility towards template and can be used as sensing materials for chemical sensors with high sensitivity, excellent selectivity and fast response. Using K3[Fe(CN)6] as electron probe, the fabricated electrochemical sensor shows two linear dynamic ranges (0...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28915859/the-fto-gene-polymorphism-is-associated-with-metabolic-syndrome-risk-in-egyptian-females-a-case-control-study
#6
Mina S Khella, Nadia M Hamdy, Ashraf I Amin, Hala O El-Mesallamy
BACKGROUND: Variations within fat mass and obesity associated (FTO) gene had crosstalk with obesity risk in European and some Asian populations. This study was designed to investigate FTO rs9939609 association with metabolic syndrome (MetS) as well as biochemical parameters as plasma glucose, serum triacylglycerol (TAG), total cholesterol (TC) and transaminases enzymes in Arab female population from Egypt. METHODS: In order to achieve that, FTO gene rs9939609 (A < T) was genotyped using TaqMan SNP Genotyping Assay in a total of 197 females which were enrolled in this study...
September 16, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28914195/polymorphism-rs9939609-of-fat-mass-and-obesity-associated-gene-correlation-with-leptin-level-of-obese-women-suffered-from-type-2-diabetes
#7
Mehdi Niknam Moghanloo, Naser Aga Mohammadzadeh, Hajie Lotfi, Rasoul Mahmoudi, Maryam Abbasi, Farzaneh Ghafarian Alipour, Fatemeh Shool, Sadegh Porfar, Nosratollah Zarghami
Background Recent studies reported that Fat Mass and obesity-associated gene (FTO) single nucleotides polymorphisms (SNPs), especially rs9939609, have association with obesity and type 2 diabetes mellitus. On the other hand, many researches confirmed that leptin, an adipocytokine, is related to the obesity and body mass index (BMI) in patients who suffered from type 2 diabetes(T2DM). Objective In this study, the correlation of FTO rs9939609 polymorphism and leptin level was investigated in the obese women who suffered from T2DM...
September 15, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28914170/the-investigation-of-the-effects-of-topiramate-on-the-hypothalamic-levels-of-fat-mass-obesity-associated-protein-and-neuropeptide-y-in-obese-female-rats
#8
Işınsu Alkan, Berrin Zuhal Altunkaynak, Gamze Altun, Erkan Erener
OBJECTIVE: The aim of the present study is to investigate the effects of topiramate on the fat mass/obesity-associated protein (FTO) and on the neuropeptide Y (NPY) level in the hypothalamus depending on the recently increased prevalence of obesity. METHOD: In this study, twenty-four female rats were divided into four equal groups: Non-obese control, obese control, non-obese topiramate, and obese topiramate. Obese groups were fed with a 40% high-fat diet. At the end of the 9th week, the drug treatment started and the subjects were treated with topiramate once a day for 6 weeks...
September 15, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28913579/association-between-fto-gene-polymorphisms-and-hdl-cholesterol-concentration-may-cause-higher-risk-of-cardiovascular-disease-in-patients-with-acromegaly
#9
Aleksandra Franczak, Katarzyna Kolačkov, Aleksandra Jawiarczyk-Przybyłowska, Marek Bolanowski
INTRODUCTION: Cardiovascular diseases are main cause of morbidity and mortality in acromegaly. Polymorphisms of FTO gene are associated with obesity and increased risk of CVD (independently of BMI). Aim of this study was to investigate the allele frequencies of two FTO gene polymorphisms: rs9939609 and rs9930506 in patients with acromegaly and to examine the association of FTO gene polymorphisms with BMI and selected metabolic parameters. MATERIALS AND METHODS: Identification of two single nucleotide polymorphisms of FTO gene was carried out in 51 patients with acromegaly using the minisequencing method...
September 14, 2017: Pituitary
https://www.readbyqxmd.com/read/28901028/a-reusable-n-carbon-coated-mo2c-composite-counter-electrode-for-high-efficiency-dye-sensitized-solar-cells
#10
Ting Wang, Jia-Bo Wang, Wei-Lin Chen, Xiao-Tao Zheng, En-Bo Wang
The design and development of efficient and stable nonprecious metal-based catalysts for counter electrode (CE) in Dye-Sensitized Solar Cells (DSSCs) has received great attentions. In this work, the molybdenum carbide nanoparticles homogeneously distributed in the nitrogen rich carbon matrix (Mo2C@NC) are synthesized by using inexpensive raw materials (polyoxometalate and dicyandiamide) via a facile one-step solid phase synthesis method. The Mo2C@NC hybrid was not only firstly used as CEs in DSSCs but also showed superior catalytic activity towards I3-/I- redox electrolyte, the efficiency of the DSSC using Mo2C@NC as a CE is achieved to 6...
September 12, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28890888/association-between-ace-rs4646994-fabp2-rs1799883-mthfr-rs1801133-fto-rs9939609-genes-polymorphism-and-type-2-diabetes-with-dyslipidemia
#11
Syed Tasleem Raza, Shania Abbas, Zeba Siddiqi, Farzana Mahdi
Diabetic dyslipidemia is one of the leading causes of coronary artery disease (CAD) death. Genetic and environmental factors play an important role in the development of type 2 diabetes mellitus (T2DM) and dyslipidemia. The present study was aimed to investigate the association of ACE (rs4646994), FABP2 (rs1799883), MTHFR (rs1801133) and FTO (rs9939609) genes polymorphism in T2DM with dyslipidemia. Totally, 559 subjects including 221 T2DM cases with dyslipidemia, 158 T2DM without dyslipidemia and 180 controls were enrolled...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28885985/synergetic-effect-of-sn-addition-and-oxygen-deficient-atmosphere-to-design-active-hematite-photoelectrodes-for-light-induced-water-splitting
#12
Andre Luiz Martins de Freitas, Flavio L Souza
This work describes a microwave-assisted hydrothermal conditions method to design pure and Sn-hematite photoelectrodes at different synthesis time with additional thermal treatment under air and N2 atmosphere. The hematite photoelectrode designed under N2 atmosphere and Sn deposited on its surface, which is represented by material synthesized at 4 hours exhibit the highest performance. Hence, the Sn-addition followed by high annealing temperature conducted at oxygen-deficient atmosphere seems to create of oxygen vacancies and have prevented the dopant segregation to form SnO2 phase at the hematite crystal reducing its energy and suppressing the grain growth...
September 8, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28881622/is-fto-gene-variant-related-to-cancer-risk-independently-of-adiposity-an-updated-meta-analysis-of-129-467-cases-and-290-633-controls
#13
Yu Kang, Fang Liu, Yao Liu
Previous studies have examined the association between the fat mass and obesity-associated (FTO) gene variant and risk of cancer in diverse populations. However, the results have been inconsistent. PubMed and Embase databases were searched for the eligible publications in English language by July, 2016. The associations of FTO variants with cancer risk were estimated by calculating the pooled odds ratios and 95% confidence intervals by meta-analyses. A total of 27 publications (129,467 cancer cases and 290,633 normal controls) were included in our meta-analysis...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28875239/spatial-variance-of-pops-and-heavy-metals-in-transformer-oil-contaminated-soil-around-tamil-nadu
#14
Karuvelan Murugan, Namasivayam Vasudevan
The persistent organic pollutants in the environment are one of the global issues to their unregulated disposal and informal recycling. This study investigates the contamination of soil with polychlorinated biphenyls (PCBs), polyaromatic hydrocarbons (PAHs), phenolic compounds and heavy metals via spillage of transformer oil (TO). Fresh TO (FTO), used TO (UTO) and soil samples were analysed using GC-MS to confirm the presence of 8 PCB congeners, 16 PAHs and 24 types of phenolic compounds and using inductively coupled plasma optical emission spectrometry to confirm the presence of 7 heavy metals...
September 5, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28873402/gene-environment-interaction-study-for-bmi-reveals-interactions-between-genetic-factors-and-physical-activity-alcohol-consumption-and-socioeconomic-status
#15
Mathias Rask-Andersen, Torgny Karlsson, Weronica E Ek, Åsa Johansson
Previous genome-wide association studies (GWAS) have identified hundreds of genetic loci to be associated with body mass index (BMI) and risk of obesity. Genetic effects can differ between individuals depending on lifestyle or environmental factors due to gene-environment interactions. In this study, we examine gene-environment interactions in 362,496 unrelated participants with Caucasian ancestry from the UK Biobank resource. A total of 94 BMI-associated SNPs, selected from a previous GWAS on BMI, were used to construct weighted genetic scores for BMI (GSBMI)...
September 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28873309/ito-modification-for-efficient-inverted-organic-solar-cells
#16
Diana K Susarova, Alexander V Akkuratov, Andrey I Kukharenko, Seif O Cholakh, Ernst Z Kurmaev, Pavel A Troshin
We demonstrate a facile approach to designing transparent electron-collecting electrodes by depositing thin layers of medium and low work function metals on top of transparent conductive metal oxides (TCOs) such as ITO and FTO. The modified electrodes were fairly stable for months under ambient conditions and maintained their electrical characteristics. XPS spectroscopy data strongly suggested integration of the deposited metal in the TCO structure resulting in additional doping of the conducting oxide at the interface...
September 5, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28859657/fto-associations-with-obesity-and-telomere-length
#17
REVIEW
Yuling Zhou, Brett D Hambly, Craig S McLachlan
This review examines the biology of the Fat mass- and obesity-associated gene (FTO), and the implications of genetic association of FTO SNPs with obesity and genetic aging. Notably, we focus on the role of FTO in the regulation of methylation status as possible regulators of weight gain and genetic aging. We present a theoretical review of the FTO gene with a particular emphasis on associations with UCP2, AMPK, RBL2, IRX3, CUX1, mTORC1 and hormones involved in hunger regulation. These associations are important for dietary behavior regulation and cellular nutrient sensing via amino acids...
September 1, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28857493/al2o3-underlayer-prepared-by-atomic-layer-deposition-for-efficient-perovskite-solar-cells
#18
Jinbao Zhang, Adam Hultqvist, Tian Zhang, Liangcong Jiang, Changqing Ruan, Li Yang, Yibing Cheng, Marika Edoff, Erik Johansson
Perovskite solar cells, as a newly emerged solar energy conversion technology, have attracted tremendous attention in the solar cell community by demonstrating impressive enhancement in power conversion efficiencies. However, the high temperature and manually processed TiO2 underlayer prepared by spray pyrolysis has significantly limited the large-scale application and device reproducibility of the perovskite solar cells. Here, we for the first time utilize low-temperature atomic layer deposition (ALD) to prepare a compact Al2O3 underlayer for perovskite solar cells...
August 31, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28851951/one-reactor-plasma-assisted-fabrication-of-zno-tio-2-multishell-nanotubes-assessing-the-impact-of-a-full-coverage-on-the-photovoltaic-performance
#19
Alejandro Nicolas Filippin, Manuel Macias-Montero, Zineb Saghi, Jesús Idígoras, Pierre Burdet, Juan R Sanchez-Valencia, Angel Barranco, Paul A Migdley, Juan A Anta, Ana Borras
This paper addresses the fabrication of vertically aligned ZnO@TiO2 multishell nanotubes by a combined full vacuum-plasma approach at mild temperatures. The growth is carried out within the premises of a one-reactor approach, i.e. minimizing the number of vacuum chambers and sample transferences. In this way, the interface between ZnO and TiO2 is fully preserved from humidity thus increasing ZnO durability and stability. These nanostructures are studied by scanning electron microscopy (SEM), scanning transmission electron microscopy (STEM) and energy dispersive X-ray spectroscopy in STEM (EDX-STEM)...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28840210/optimized-fto-seeding-enables-the-growth-of-highlyefficient-ta-doped-tio2-nanorod-photoanodes
#20
Christopher Schneider, Ning Liu, Patrik Schmuki
Tantalum doped rutile nanorods were hydrothermally grown on FTO substrates using a new seeding approach. This approach allows the incorporation of high concentrations of up to 4.8 at% tantalum as active doping and results in a significant enhancement of the photoelectrochemical water splitting rate (1.8 mA cm(-2) at a potential of +1.5 V vs. RHE) which corresponds to ∼1% photocurrent conversion efficiency under AM 1.5, 100 mW cm(-2) simulated sunlight irradiation.
August 25, 2017: Chemical Communications: Chem Comm
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