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https://www.readbyqxmd.com/read/28077686/evolution-of-iris-colour-in-relation-to-cavity-nesting-and-parental-care-in-passerine-birds
#1
Gabrielle L Davidson, Alex Thornton, Nicola S Clayton
Strong selection pressures are known to act on animal coloration. Although many animals vary in eye colour, virtually no research has investigated the functional significance of these colour traits. Passeriformes have a range of iris colours, making them an ideal system to investigate how and why iris colour has evolved. Using phylogenetic comparative methods, we tested the hypothesis that conspicuous iris colour in passerine birds evolved in response to (a) coordination of offspring care and (b) cavity nesting, two traits thought to be involved in intra-specific gaze sensitivity...
January 2017: Biology Letters
https://www.readbyqxmd.com/read/28072916/a-preliminary-study-examining-women-s-physical-health-and-nonmedical-prescription-opioid-use-in-a-recovering-framework
#2
Katherine R Marks, Carl G Leukefeld
BACKGROUND: There is a growing need for research on women recovering from nonmedical prescription opioid use. A paradigm shift is to focus on wellness and factors that support, rather than hinder, recovering women. For example, although physical health is impacted by nonmedical prescription opioid use, improved health may be a strength-based factor among recovering women. The aim of this preliminary study was to examine physical health in a recovering framework as women begin recovering from nonmedical prescription opiate use...
January 10, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28049418/chimpipe-accurate-detection-of-fusion-genes-and-transcription-induced-chimeras-from-rna-seq-data
#3
Bernardo Rodríguez-Martín, Emilio Palumbo, Santiago Marco-Sola, Thasso Griebel, Paolo Ribeca, Graciela Alonso, Alberto Rastrojo, Begoña Aguado, Roderic Guigó, Sarah Djebali
BACKGROUND: Chimeric transcripts are commonly defined as transcripts linking two or more different genes in the genome, and can be explained by various biological mechanisms such as genomic rearrangement, read-through or trans-splicing, but also by technical or biological artefacts. Several studies have shown their importance in cancer, cell pluripotency and motility. Many programs have recently been developed to identify chimeras from Illumina RNA-seq data (mostly fusion genes in cancer)...
January 3, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28045313/parental-knowledge-and-practices-regarding-their-children-s-oral-health-in-kuwait
#4
L Alyahya
AIM: The purpose of this study is to assess the knowledge and practices of parents toward their children's oral health in Kuwait. MATERIALS AND METHODS: Study Design: A cross-sectional study was conducted among 300 parents who visited five dental specialty centers in Kuwait. Data were collected through a self-administered questionnaire. STATISTICS: The statistical analysis was performed using SPSS software (version 21; Inc., Chicago IL, USA)...
December 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28044154/biofunctional-metal-phenolic-films-from-dietary-flavonoids
#5
Nadja Bertleff-Zieschang, Md Arifur Rahim, Yi Ju, Julia A Braunger, Tomoya Suma, Yunlu Dai, Shuaijun Pan, Francesca Cavalieri, Frank Caruso
We assembled dietary, bioactive flavonoids into a metal coordinated network to form thin, surface-bound films and hollow capsules, overcoming the poor water solubility of free flavonoids. Films formed from quercetin, myricetin, luteolin and fisetin show radical scavenging activity, a renowned feature of their parent flavonoids, and can be reused over multiple cycles. These films are expected to have potential applications in the pharmaceutical and food industries.
January 3, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28042068/empowering-bereaved-parents-through-the-development-of-a-comprehensive-bereavement-program
#6
Jennifer M Snaman, Erica C Kaye, Deena R Levine, Brittany Cochran, Robin Wilcox, Charlene K Sparrow, Nancy Noyes, Lisa Clark, Wendy Avery, Justin N Baker
Parents who experience the loss of a child have unique and valuable insights into the grief journey and can help healthcare providers identify key components intrinsic to the development, implementation, and maintenance of a comprehensive bereavement program. The bereavement program at St. Jude Children's Research Hospital was developed by pediatric palliative care experts in collaboration with bereaved parents to standardize and improve the institutional support provided to families around and after the death of a child...
December 29, 2016: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28031033/the-aceii-recombinant-trichoderma-reesei-qm9414-strains-with-enhanced-xylanase-production-and-its-applications-in-production-of-xylitol-from-tree-barks
#7
Lili Xiong, Ayyappa Kumar Sista Kameshwar, Xi Chen, Zhiyun Guo, Canquan Mao, Sanfeng Chen, Wensheng Qin
BACKGROUND: ACEII transcription factor plays a significant role in regulating the expression of cellulase and hemicellulase encoding genes. Apart from ACEII, transcription factors such as XYR1, CRE1, HAP2/3/5 complex and ACEI function in a coordinated pattern for regulating the gene expression of cellulases and hemicellulases. Studies have demonstrated that ACEII gene deletion results in decreased total cellulase and xylanase activities with reduced transcript levels of lignocellulolytic enzymes...
December 28, 2016: Microbial Cell Factories
https://www.readbyqxmd.com/read/28028836/does-physical-education-influence-eye-hand-coordination-the-lifestyles-of-our-kids-intervention-study
#8
L J Wicks, R M Telford, R B Cunningham, S J Semple, R D Telford
In Australian government-funded primary schools, the responsibility for physical education (PE) falls mainly on general classroom teachers, many of whom possess limited PE training. This study sought to examine the impact of specialist-taught PE on eye-hand coordination (EHC) development. In this 4-year cluster-randomized intervention, participants were 187 boys and 172 girls initially in grade 2 in 29 primary schools, where no school employed university-trained specialist PE teachers. In 13 (intervention) schools, specialist PE teachers conducted 268 PE classes (two 45-minute sessions/wk) from grade 2 to grade 6...
December 28, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28010731/a-survey-of-facilitators-and-barriers-to-recruitment-to-the-magnetic-trial
#9
Geetinder Kaur, Rosalind L Smyth, Colin V E Powell, Paula Williamson
BACKGROUND: Recruitment to randomised controlled trials with children is challenging. It is imperative to understand the factors that boost or hinder recruitment of children to clinical trials. We conducted a survey of facilitators and barriers to recruitment to the MAGNETIC trial, using a previously developed web-based tool. METHODS: MAGNETIC is a multicentre randomised trial of nebulised magnesium in acute severe asthma, recruiting 508 children from 30 UK sites...
December 23, 2016: Trials
https://www.readbyqxmd.com/read/28006662/potent-anticancer-activity-of-a-new-bismuth-iii-complex-against-human-lung-cancer-cells
#10
Ruizhuo Ouyang, Yang Yang, Xiao Tong, Kai Feng, Yaoqin Yang, Huihong Tao, Xiaoshen Zhang, Tianyu Zong, Penghui Cao, Fei Xiong, Ning Guo, Yuhao Li, Yuqing Miao, Shuang Zhou
The aim of this work is experimental study of an interesting bismuth(III) complex derived from pentadentate 2,6-pyridinedicarboxaldehyde bis((4)N-methylthiosemicarbazone), [BiL(NO3)2]NO3 {L=2,6-pyridinedicarboxaldehyde bis((4)N-methylthiosemicarbazone)}. A series of in vitro biological studies indicate that the newly prepared [BiL(NO3)2]NO3 greatly suppressed colony formation, migration and significantly induced apoptosis of human lung cancer cells A549 and H460, but did not obviously decrease the cell viability of non-cancerous human lung fibroblast (HLF) cell line, showing much higher anticancer activities than its parent ligands, especially with half maximum inhibitory concentration (IC50) <3...
December 11, 2016: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28004768/pressure-effect-on-iron-based-superconductor-lafeaso1-xhx-peculiar-response-of-1111-type-structure
#11
Kensuke Kobayashi, Jun-Ichi Yamaura, Soshi Iimura, Sachiko Maki, Hajime Sagayama, Reiji Kumai, Youichi Murakami, Hiroki Takahashi, Satoru Matsuishi, Hideo Hosono
A systematic study of the crystal structure of a layered iron oxypnictide LaFeAsO1-xHx as a function of pressure was performed using synchrotron X-ray diffraction. This compound exhibits a unique phase diagram of two superconducting phases and two parent phases. We established that the As-Fe-As angle of the FeAs4 tetrahedron widens on the application of pressure due to the interspace between the layers being nearly infilled by the large La and As atoms. Such rarely observed behaviour in iron pnictides implies that the FeAs4 coordination deviates from the regular tetrahedron in the present systems...
December 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28004054/a-reliable-amplified-fluorescence-enhanced-chemosensor-eu-mil-61-for-the-directional-detection-of-ag-in-an-aqueous-solution
#12
Nana Sun, Bing Yan
A robust gallium carboxylate Ga(OH)(btec)·0.5H2O (MIL-61) was synthesized under mild hydrothermal conditions and selected as the parent MOF to prepare Eu-MIL-61 by post-synthetic modification due to the uncoordinated carbonyl group of the ligand (pyromellitic acid (H4btec)). The firm framework, permanent porosity, and non-coordinated sites make MIL-61 a good scaffold for immobilizing and sensitizing Eu(3+). The products showed excellent luminescence and, more significantly, Eu-MIL-61 showed excellent selectivity with photoluminescence enhancement, fast response time, and low detection limit for Ag(+) ions in the aqueous solutions...
December 22, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27993000/nanoarchitectures-for-metal-organic-framework-derived-nanoporous-carbons-toward-supercapacitor-applications
#13
Rahul R Salunkhe, Yusuf Valentino Kaneti, Jeonghun Kim, Jung Ho Kim, Yusuke Yamauchi
The future advances of supercapacitors depend on the development of novel carbon materials with optimized porous structures, high surface area, high conductivity, and high electrochemical stability. Traditionally, nanoporous carbons (NPCs) have been prepared by a variety of methods, such as templated synthesis, carbonization of polymer precursors, physical and chemical activation, etc. Inorganic solid materials such as mesoporous silica and zeolites have been successfully utilized as templates to prepare NPCs...
December 20, 2016: Accounts of Chemical Research
https://www.readbyqxmd.com/read/27989199/manganese-tricarbonyl-complexes-with-asymmetric-2-iminopyridine-ligands-toward-decoupling-steric-and-electronic-factors-in-electrocatalytic-co2-reduction
#14
Steven J P Spall, Theo Keane, Joanne Tory, Dean C Cocker, Harry Adams, Hannah Fowler, Anthony J H M Meijer, František Hartl, Julia A Weinstein
Manganese tricarbonyl bromide complexes incorporating IP (2-(phenylimino)pyridine) derivatives, [MnBr(CO)3(IP)], are demonstrated as a new group of catalysts for CO2 reduction, which represent the first example of utilization of (phenylimino)pyridine ligands on manganese centers for this purpose. The key feature is the asymmetric structure of the redox-noninnocent ligand that permits independent tuning of its steric and electronic properties. The α-diimine ligands and five new Mn(I) compounds have been synthesized, isolated in high yields, and fully characterized, including X-ray crystallography...
December 19, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/27982311/nursing-interventions-in-monitoring-the-adolescent-with-cystic-fibrosis-a-literature-review
#15
Maria da Conceição Marinho Sousa Ribeiro Oliveira Reisinho, Bárbara Pereira Gomes
Objectives: to search for nursing interventions focused on the improvement of quality of life and promotion of self-care of adolescents suffering from the Cystic Fibrosis. Method: literature review. The inclusion criteria were: primary studies and studies with interventions developed by nurses in the adolescent population with Cystic Fibrosis, using Portuguese, Spanish, French and English with no time limit, and supported by the databases Scopus, Web of Science and CINAHL...
December 8, 2016: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/27977179/predicting-and-understanding-the-reactivity-of-aza-60-fullerenes
#16
Yago García-Rodeja, Miquel Solà, Israel Fernández
The Diels-Alder reactivity of C59NH azafullerene has been explored computationally. The regioselectivity of the process and the factors controlling the reduced reactivity of this system with respect to the parent C60 fullerene have been analyzed in detail by using the activation strain model of reactivity and the energy decomposition analysis method. It is found that the presence of the nitrogen atom and the CH fragment in the fullerene reduces the interaction between the deformed reactants along the entire reaction coordinate...
December 15, 2016: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/27977159/oxygen-insertion-reactions-within-the-one-dimensional-channels-of-phases-related-to-fesb2o4
#17
Benjamin P de Laune, Gregory J Rees, Mariana J Whitaker, Hien-Yoong Hah, Charles E Johnson, Jacqueline A Johnson, Dennis E Brown, Matthew G Tucker, Thomas C Hansen, Frank J Berry, John V Hanna, Colin Greaves
The structure of the mineral schafarzikite, FeSb2O4, has one-dimensional channels with walls comprising Sb(3+) cations; the channels are separated by edge-linked FeO6 octahedra that form infinite chains parallel to the channels. Although this structure provides interest with respect to the magnetic and electrical properties associated with the chains and the possibility of chemistry that could occur within the channels, materials in this structural class have received very little attention. Here we show, for the first time, that heating selected phases in oxygen-rich atmospheres can result in relatively large oxygen uptakes (up to ∼2% by mass) at low temperatures (ca...
January 3, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/27977149/paramagnetic-resonance-of-cobalt-ii-trispyrazolylmethanes-and-counterion-association
#18
Amy R Marts, Joshua C Kaine, Robert R Baum, Vivien L Clayton, Jami R Bennett, Laura J Cordonnier, Robert McCarrick, Abed Hasheminasab, Laura A Crandall, Christopher J Ziegler, David L Tierney
Paramagnetic resonance studies (EPR, ESEEM, ENDOR, and NMR) of a series of cobalt(II) bis-trispyrazolylmethane tetrafluoroborates are presented. The complexes studied include the parent, unsubstituted ligand (Tpm), two pyrazole-substituted derivatives (4Me and 3,5-diMe), and tris(1-pyrazolyl)ethane (Tpe), which includes a methyl group on the apical carbon atom. NMR and ENDOR establish the magnitude of (1)H hyperfine couplings, while ESEEM provides information on the coordinated (14)N. The data show that the pyrazole 3-position is more electron rich in the Tpm analogues, that the geometry about the apical atom influences the magnetic resonance, and that apical atom geometry appears more fixed in Tpm than in Tp...
January 3, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/27975278/clearance-of-parental-products
#19
Petr Svoboda, Helena Fulka, Radek Malik
The beginning of development is controlled parentally. For example, early zygotic proteosynthesis produces proteins encoded by the maternal transcriptome. As parental factors become replaced by factors synthesized in the embryo, parental developmental control is gradually passed to the embryo. This chapter focuses on the clearance of parental factors during oocyte-to-embryo transition in vertebrates. Coordinated removal of parental factors erases ancestral oocyte identity of the zygote and facilitates reprogramming of gene expression into a state that will support development of a new organism...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27942748/complement-factor-h-in-host-defense-and-immune-evasion
#20
REVIEW
Raffaella Parente, Simon J Clark, Antonio Inforzato, Anthony J Day
Complement is the major humoral component of the innate immune system. It recognizes pathogen- and damage-associated molecular patterns, and initiates the immune response in coordination with innate and adaptive immunity. When activated, the complement system unleashes powerful cytotoxic and inflammatory mechanisms, and thus its tight control is crucial to prevent damage to host tissues and allow restoration of immune homeostasis. Factor H is the major soluble inhibitor of complement, where its binding to self markers (i...
December 10, 2016: Cellular and Molecular Life Sciences: CMLS
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