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https://www.readbyqxmd.com/read/28813108/consequences-of-gestational-diabetes-to-the-brain-and-behavior-of-the-offspring
#1
Ricardo A L DE Sousa, Yasmin S Torres, Claudia P Figueiredo, Giselle F Passos, Julia R Clarke
Gestational diabetes mellitus (GD) is a form of insulin resistance triggered during the second/third trimesters of pregnancy in previously normoglycemic women. It is currently estimated that 10% of all pregnancies in the United States show this condition. For many years, the transient nature of GD has led researchers and physicians to assume that long-term consequences were absent. However, GD diagnosis leads to a six-fold increase in the risk of developing type 2 diabetes (T2D) in women and incidence of obesity and T2D is also higher among their infants...
August 14, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28813052/mixed-ligand-iridium-iii-complexes-as-photodynamic-anticancer-agents
#2
Yue Zheng, Liang He, Dong-Yang Zhang, Cai-Ping Tan, Liang-Nian Ji, Zong-Wan Mao
Many phosphorescent iridium complexes are potent candidates as photodynamic therapeutic agents. In this work, a series of mixed-ligand phosphorescent iridium complexes (Ir1: [Ir(L1)(bpy)Cl](PF6)2; Ir2: [Ir(L1)(ppy)Cl](PF6); Ir3: [Ir(L2)(bpy)Cl](PF6)2; Ir4: [Ir(L2)(ppy)Cl](PF6). L1 = 2,6-bis(2-benzimidazolyl)pyridine; bpy = 2,2'-bipyridine; L2 = 2,6-bis(1-methyl-benzimidazol-2-yl)pyridine; ppy = 2-phenylpyridine) have been synthesized and characterized. These complexes display high luminescence quantum yields and long phosphorescence lifetimes...
August 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28813015/transcriptional-responses-of-creeping-bentgrass-to-2-3-butanediol-a-bacterial-volatile-compound-bvc-analogue
#3
Yi Shi, Kuiju Niu, Bingru Huang, Wenhui Liu, Huiling Ma
Bacterial volatile compounds (BVCs) have been reported to enhance plant growth and elicit plant defenses against fungal infection and insect damage. The objective of this study was to determine transcriptomic changes in response to synthetic BVC that could be associated with plant resistance to Rhizoctonia solani in creeping bentgrass. The 2,3-butanediol (BD) (250 µM) was sprayed on creeping bentgrass leaves grown in jam jars. The result showed that synthetic BD induced plant defense against R. solani for creeping bentgrass...
August 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28812993/enhanced-corrosion-resistance-of-carbon-steel-in-hydrochloric-acid-solution-by-eriobotrya-japonica-thunb-leaf-extract-electrochemical-study
#4
Wenjing Yang, Qihui Wang, Ke Xu, Yanjun Yin, Hebin Bao, Xueming Li, Lidan Niu, Shiqi Chen
The biodegradable inhibitors, which could effectively reduce the rate of corrosion of carbon steel, were investigated by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The mixed-type inhibitors extracted from Eriobotrya japonica Thunb. leaf exhibited excellent inhibition performance, and the inhibition efficiency for carbon steel reached 90.0% at 298 K in hydrochloric acid. Moreover, the adsorption mechanism of the inhibitors on a carbon steel surface is described by the Langmuir adsorption isotherm...
August 16, 2017: Materials
https://www.readbyqxmd.com/read/28812948/age-related-resistance-in-arabidopsis-thaliana-involves-the-mads-domain-transcription-factor-short-vegetative-phase-and-direct-action-of-salicylic-acid-on-pseudomonas-syringae
#5
Daniel C Wilson, Christine J Kempthorne, Philip Carella, David K Liscombe, Robin Cameron
Arabidopsis thaliana exhibits a developmentally regulated disease-resistance response known as Age-Related Resistance (ARR), a process that requires intercellular accumulation of salicylic acid (SA), which is thought to act as an antimicrobial agent. ARR is characterized by enhanced resistance to some pathogens at the late adult-vegetative and reproductive stages. While the transition to flowering does not cause the onset of ARR, both processes involve the MADS-domain transcription factor SHORT VEGETATIVE PHASE (SVP)...
August 16, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28812937/genetic-and-molecular-characterization-of-leaf-rust-resistance-in-two-durum-wheat-landraces
#6
Naeela Qureshi, Harbans Bariana, James A Kolmer, Hanif Miah, Urmil Bansal
Leaf rust, caused by Puccinia triticina, is a constraint to durum wheat (Triticum turgidum subsp. durum) production, and landraces are reported to be an important source of resistance. Two Portuguese landraces (Aus26582 and Aus26579) showed resistance against durum-specific P. triticina races and were crossed with a susceptible landrace (Bansi) to develop recombinant inbred line (RIL) populations. Monogenic segregation for leaf rust resistance was observed among both RIL populations. The underlying locus, temporarily named LrAW2, was mapped to the short arm of chromosome 6B in the Aus26582/Bansi population and five DArTseq markers cosegregated with LrAW2...
August 16, 2017: Phytopathology
https://www.readbyqxmd.com/read/28812924/susceptibility-testing-and-reporting-of-new-antibiotics-with-a-focus-on-tedizolid-an-international-working-group-report
#7
Mark H Wilcox, Natalia Dmitrieva, Ana Cristina Gales, Irina Petukhova, Suleiman Al-Obeid, Flavia Rossi, Joseph M Blondeau
Inappropriate use and overuse of antibiotics are among the most important factors in resistance development, and effective antibiotic stewardship measures are needed to optimize outcomes. Selection of appropriate antimicrobials relies on accurate and timely antimicrobial susceptibility testing. However, the availability of clinical breakpoints and in vitro susceptibility testing often lags behind regulatory approval by several years for new antimicrobials. A Working Group of clinical/medical microbiologists from Brazil, Canada, Mexico, Saudi Arabia, Russia and the UK recently examined issues surrounding antimicrobial susceptibility testing for novel antibiotics...
August 16, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28812899/synthesis-and-characterization-of-a-boron-nitrogen-boron-zigzag-edged-benzo-fg-tetracene-motif
#8
Michael Fingerle, Cäcilia Maichle-Mössmer, Simon Schundelmeier, Bernd Speiser, Holger F Bettinger
The boron-nitrogen-boron (BNB) zigzag edged benzo[fg]tetracene is accessible from 4-butyl-2,6-diphenylaniline in four steps in good yields. The two mesityl groups stabilize the boron centers toward nucleophilic attack and result in two enantiomeric forms in the solid state. The title compound has a large optical gap, shows blue fluorescence, and is quite resistant toward oxidation and reduction.
August 16, 2017: Organic Letters
https://www.readbyqxmd.com/read/28812877/scru2b3-and-sc2rub6-borides-featuring-a-2d-infinite-boron-clustering
#9
Leonid P Salamakha, Oksana Sologub, Berthold Stöger, Peter Franz Rogl, Monika Waas, Volodymyr B Kapustianyk, Ernst Bauer
Two borides, ScRu2B3 and Sc2RuB6, were obtained by argon-arc melting of the elements followed by annealing at 800 °C. ScRu2B3 exhibits a new structure type with the space group Cmcm (a = 3.0195(2) Å, b = 15.4056(8) Å, c = 5.4492(3) Å; single crystal X-ray data; RF(2) = 0.0105). Sc2RuB6 adopts the Y2ReB6-type structure (space group Pbam; a = 8.8545(2) Å, b = 11.1620(3) Å, c = 3.4760(1) Å; single crystal X-ray data; RF(2) = 0.0185). ScRu2B3 displays an unusual intergrowth of CeCo3B2- and AlB2-related slabs; a striking feature is a boat configuration of puckered boron hexagons within infinite graphite like boron layers (6(3) nets)...
August 16, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28812874/three-dimensional-highly-stretchable-conductors-from-elastic-fiber-mat-with-conductive-polymer-coating
#10
Shasha Duan, Zhihui Wang, Ling Zhang, Jin Liu, Chunzhong Li
The manufacture of stretchable conductors with well-reserved electrical performance under large-degree deformations via scalable processes remains of great importance. In this work, a highly stretchable 3D conductive framework consisted of polyurethane fiber mat (PUF) and poly(3,4-ethylenedioxythiophene) (PEDOT) is reported through facile approaches, electrospinning and in situ interfacial polymerization, which was then backfilled with poly(dimethylsiloxane) to obtain 3D conductors. The excellent stretchability of the 3D conductive network imparted the as-prepared electrode superior mechanical durability...
August 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28812872/effect-of-mineral-dissolution-precipitation-and-co2-exsolution-on-co2-transport-in-geological-carbon-storage
#11
Ruina Xu, Rong Li, Jin Ma, Di He, Peixue Jiang
Geological carbon sequestration (GCS) in deep saline aquifers is an effective means for storing carbon dioxide to address global climate change. As the time after injection increases, the safety of storage increases as the CO2 transforms from a separate phase to CO2(aq) and HCO3(-) by dissolution and then to carbonates by mineral dissolution. However, subsequent depressurization could lead to dissolved CO2(aq) escaping from the formation water and creating a new separate phase which may reduce the GCS system safety...
August 16, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28812869/entry-inhibitors-a-perspective-for-prevention-of-hepatitis-c-virus-infection-in-organ-transplantation
#12
Che C Colpitts, Raymond T Chung, Thomas F Baumert
Entry inhibitors are emerging as an attractive class of therapeutics for hepatitis C virus (HCV) infection. Entry inhibitors target either virion-associated factors or cellular factors necessary for infection. By blocking entry into cells, entry inhibitors prevent both the establishment of persistent reservoirs and the emergence of resistant variants during viral replication. Furthermore, entry inhibitors protect naïve cells from virus-induced alterations. Combining entry inhibitors with direct-acting antivirals (DAAs) may therefore improve treatment outcomes, particularly in the context of organ transplantation...
August 16, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28812867/ultrasensitive-silicon-nanowire-sensor-developed-by-a-special-ag-modification-process-for-rapid-nh3-detection
#13
Yuxiang Qin, Diao Liu, Tianyi Zhang, Zhen Cui
Surface functionalization is very effective in enhancing sensing properties of a chemiresistive gas sensor. In this work, we develop a novel and cost-effective process to prepare Ag-modified silicon nanowire (SiNW) sensors and further suggest a resistance effect model to clarify the enhanced sensing mechanism of Ag-modified SiNWs. The SiNWs were formed via metal-assisted chemical etching (MACE), and the Ag nanoparticle (NP) modification was achieved in situ based on the MACE-produced Ag dendrites by involving a crucial anisotropic postetching of TMAH...
August 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28812821/-re-making-the-procrustean-bed-standardization-and-customization-as-competing-logics-in-healthcare
#14
EDITORIAL
Russell Mannion, Mark Exworthy
Recent years have witnessed a parallel and seemingly contradictory trend towards both the standardization and the customization of healthcare and medical treatment. Here, we explore what is meant by 'standardization' and 'customization' in healthcare settings and explore the implications of these changes for healthcare delivery. We frame the paradox of these divergent and opposing factors in terms of institutional logics - the socially constructed rules, practices and beliefs which perpetuate institutional behaviour...
March 28, 2017: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28812760/porous-crystalline-materials-closing-remarks
#15
Susumu Kitagawa
This paper is derived from my 'closing remarks' lecture at the 287th Faraday Discussions meeting on New Directions in Porous Crystalline Materials, Edinburgh, UK, 5-7 June, 2017. This meeting comprised sessions on the design of porous networks, and their capture, storage, separation, conducting properties, catalysts, resistance to chemicals and moisture, simulation, and electronic structures. This paper details the achievements and developments in the field, as reflected in invited speakers' papers and discussions with the attendees during the meeting...
August 16, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28812728/antibiotic-resistance-evolution-without-trade-offs
#16
David Reznick, Kayla King
No abstract text is available yet for this article.
January 30, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812723/the-unconstrained-evolution-of-fast-and-efficient-antibiotic-resistant-bacterial-genomes
#17
Carlos Reding-Roman, Mark Hewlett, Sarah Duxbury, Fabio Gori, Ivana Gudelj, Robert Beardmore
Evolutionary trajectories are constrained by trade-offs when mutations that benefit one life history trait incur fitness costs in other traits. As resistance to tetracycline antibiotics by increased efflux can be associated with an increase in length of the Escherichia coli chromosome of 10% or more, we sought costs of resistance associated with doxycycline. However, it was difficult to identify any because the growth rate (r), carrying capacity (K) and drug efflux rate of E. coli increased during evolutionary experiments where the species was exposed to doxycycline...
January 30, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812654/transitions-between-phases-of-genomic-differentiation-during-stick-insect-speciation
#18
Rüdiger Riesch, Moritz Muschick, Dorothea Lindtke, Romain Villoutreix, Aaron A Comeault, Timothy E Farkas, Kay Lucek, Elizabeth Hellen, Víctor Soria-Carrasco, Stuart R Dennis, Clarissa F de Carvalho, Rebecca J Safran, Cristina P Sandoval, Jeff Feder, Regine Gries, Bernard J Crespi, Gerhard Gries, Zach Gompert, Patrik Nosil
Speciation can involve a transition from a few genetic loci that are resistant to gene flow to genome-wide differentiation. However, only limited data exist concerning this transition and the factors promoting it. Here, we study phases of speciation using data from >100 populations of 11 species of Timema stick insects. Consistent with early phases of genic speciation, adaptive colour-pattern loci reside in localized genetic regions of accentuated differentiation between populations experiencing gene flow...
February 17, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812626/dispersal-governs-the-reorganization-of-ecological-networks-under-environmental-change
#19
Patrick L Thompson, Andrew Gonzalez
Ecological networks, such as food webs, mutualist webs and host-parasite webs, are reorganizing as species abundances and spatial distributions shift in response to environmental change. Current theoretical expectations for how this reorganization will occur are available for competition or for parts of interaction networks, but these may not extend to more complex networks. Here we use metacommunity theory to develop new expectations for how complex networks will reorganize under environmental change, and show that dispersal is crucial for determining the degree to which networks will retain their composition and structure...
May 8, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812624/perceptive-costs-of-reproduction-drive-ageing-and-physiology-in-male-drosophila
#20
Zachary M Harvanek, Yang Lyu, Christi M Gendron, Jacob C Johnson, Shu Kondo, Daniel E L Promislow, Scott D Pletcher
Costs of reproduction are thought to result from natural selection optimizing organismal fitness within putative physiological constraints. Phenotypic and population genetic studies of reproductive costs are plentiful across taxa, but an understanding of their mechanistic basis would provide important insight into the diversity in life-history traits, including reproductive effort and ageing. Here, we dissect the causes and consequences of specific costs of reproduction in male Drosophila melanogaster. We find that key survival and physiological costs of reproduction arise from perception of the opposite sex, and they are reversed by the act of mating...
May 15, 2017: Nature ecology & evolution
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