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https://www.readbyqxmd.com/read/28169839/speech-intelligibility-as-a-cue-for-acceptable-noise-levels
#1
Karrie L Recker, Christophe Micheyl
OBJECTIVES: The goal of this study was to examine whether individuals are using speech intelligibility to determine how much noise they are willing to accept while listening to running speech. Previous research has shown that the amount of background noise that an individual is willing to accept while listening to speech is predictive of his or her likelihood of success with hearing aids. If it were possible to determine the criterion by which individuals make this judgment, then it may be possible to alter this cue, especially for those who are unlikely to be successful with hearing aids, and thereby improve their chances of success with hearing aids...
February 6, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28110956/anti-hiv-diphyllin-glycosides-from-justicia-gendarussa
#2
Hong-Jie Zhang, Emily Rumschlag-Booms, Yi-Fu Guan, Kang-Lun Liu, Dong-Ying Wang, Wan-Fei Li, Van Hung Nguyen, Nguyen Manh Cuong, Djaja Doel Soejarto, Harry H S Fong, Lijun Rong
In a search for new anti-HIV active leads from over several thousands of plant extracts, we have identified a potent plant lead. The active plant is determined as Justicia gendarussa (Acanthaceae), a medicinal plant that has been used for the treatment of injury, arthritis and rheumatism in Asia including China. Our bioassay-guided fractionation of the methanol extract of the stems and barks of the plant led to the isolation of two anti-HIV compounds, justiprocumins A and B. The compounds are identified as new arylnaphthalide lignans (ANL) glycosides...
January 19, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28057680/an-informative-approach-on-differential-abundance-analysis-for-time-course-metagenomic-sequencing-data
#3
Dan Luo, Sara Ziebell, Lingling An
MOTIVATION: The advent of high-throughput next generation sequencing technology has greatly promoted the field of metagenomics where previously unattainable information about microbial communities can be discovered. Detecting differentially abundant features (e.g., species or genes) plays a critical role in revealing the contributors (i.e., pathogens) to the biological or medical status of microbial samples. However, currently available statistical methods lack power in detecting differentially abundant features contrasting different biological or medical conditions, in particular, for time series metagenomic sequencing data...
January 5, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28036411/the-acceptable-noise-level-and-the-pure-tone-audiogram
#4
K Jonas Brännström, Steen Østergaard Olsen
Purpose: The vast majority of previous studies suggest that there is no relationship between the acceptable noise level (ANL) and pure-tone hearing thresholds reported as the average pure-tone hearing thresholds (pure-tone average). This study aims to explore (a) the relationship between hearing thresholds at individual frequencies and the ANL and (b) a measure of the slope of the audiogram and ANL. Method: Sixty-three Danish adult hearing aid users participated...
December 30, 2016: American Journal of Audiology
https://www.readbyqxmd.com/read/27987117/differential-effects-of-type-2-diabetes-on-brain-glycometabolism-in-rats-focus-on-glycogen-and-monocarboxylate-transporter-2
#5
Takeru Shima, Subrina Jesmin, Takashi Matsui, Mariko Soya, Hideaki Soya
Astrocyte-neuron lactate shuttle (ANLS) is a pathway that supplies glycogen-derived lactate to active neurons via monocarboxylate transporter 2 (MCT2), and is important for maintaining brain functions. Our study revealed alterations of ANLS with hippocampal hyper-glycogen levels and downregulated MCT2 protein levels underlying hippocampal dysfunctions as a complication in type 2 diabetic (T2DM) animals. Since T2DM rats exhibit brain dysfunctions involving several brain regions, we examined whether there might also be T2DM effects on ANLS's disturbances in other brain loci...
December 16, 2016: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/27854309/qsar-study-for-carcinogenic-potency-of-aromatic-amines-based-on-gep-and-mlps
#6
Fucheng Song, Anling Zhang, Hui Liang, Lianhua Cui, Wenlian Li, Hongzong Si, Yunbo Duan, Honglin Zhai
A new analysis strategy was used to classify the carcinogenicity of aromatic amines. The physical-chemical parameters are closely related to the carcinogenicity of compounds. Quantitative structure activity relationship (QSAR) is a method of predicting the carcinogenicity of aromatic amine, which can reveal the relationship between carcinogenicity and physical-chemical parameters. This study accessed gene expression programming by APS software, the multilayer perceptrons by Weka software to predict the carcinogenicity of aromatic amines, respectively...
November 15, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27808657/the-fractal-characteristic-of-facial-anthropometric-data-for-developing-pca-fit-test-panels-for-youth-born-in-central-china
#7
Lei Yang, Ran Wei, Henggen Shen
New principal component analysis (PCA) respirator fit test panels had been developed for current American and Chinese civilian workers based on anthropometric surveys. The PCA panels used the first two principal components (PCs) obtained from a set of 10 facial dimensions. Although the PCA panels for American and Chinese subjects adopted the bivairate framework with two PCs, the number of the PCs retained in the PCA analysis was different between Chinese subjects and Americans. For the Chinese youth group, the third PC should be retained in the PCA analysis for developing new fit test panels...
January 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/27773528/antenatal-maternity-leave-and-childbirth-using-the-first-baby-study-a-propensity-score-analysis
#8
Julia M Goodman, Sylvia Guendelman, Kristen H Kjerulff
BACKGROUND: Most employed American women work during pregnancy and continue working through the month they deliver. Yet, few studies estimate the relationship between maternity leave taken during pregnancy and maternal health. We evaluate the association of antenatal leave (ANL) uptake with obstetric outcomes, assessing the potential role of protective and adverse selection pathways on this relationship. METHODS: We sample 1,740 employed women who delivered at term from the First Baby Study, a prospective cohort of nulliparous women in Pennsylvania...
January 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/27768076/measurement-of-x-ray-beam-coherence-along-multiple-directions-using-2-d-checkerboard-phase-grating
#9
Shashidhara Marathe, Xianbo Shi, Michael J Wojcik, Albert T Macrander, Lahsen Assoufid
A procedure for a technique to measure the transverse coherence of synchrotron radiation X-ray sources using a single phase grating interferometer is reported. The measurements were demonstrated at the 1-BM bending magnet beamline of the Advanced Photon Source (APS) at Argonne National Laboratory (ANL). By using a 2-D checkerboard π/2 phase-shift grating, transverse coherence lengths were obtained along the vertical and horizontal directions as well as along the 45° and 135° directions to the horizontal direction...
October 11, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27764783/the-role-of-transcriptional-coactivator-taz-in-gliomas
#10
Weijie Li, Shicai Dong, Wei Wei, Guangxiu Wang, Anling Zhang, Peiyu Pu, Zhifan Jia
The transcriptional coactivator with PDZ-binding motif (TAZ) is one of the important downstream effectors of Hippo pathway. In this study, the potential implication of TAZ in gliomagenesis was explored. TAZ expression was identified to be upregulated in glioma specimens and positively correlated with tumor grade. Meanwhile, its expression in nucleus was increased more significantly with the ascending order of tumor grade. Knocking down TAZ inhibited glioma cell proliferation, invasion and promoted apoptosis...
October 13, 2016: Oncotarget
https://www.readbyqxmd.com/read/27759163/generation-of-a-transgenic-medaka-oryzias-latipes-strain-for-visualization-of-nuclear-dynamics-in-early-developmental-stages
#11
Takanobu Inoue, Atsuo Iida, Shingo Maegawa, Atsuko Sehara-Fujisawa, Masato Kinoshita
In this study, we verified nuclear transport activity of an artificial nuclear localization signal (aNLS) in medaka fish (Oryzias latipes). We generated a transgenic medaka strain expresses the aNLS tagged enhanced green fluorescent protein (EGFP) driven by a medaka beta-actin promoter. The aNLS-EGFP was accumulated in the nuclei of somatic tissues and yolk nuclei of oocytes, but undetectable in the spermatozoa. The fluorescent signal was observed from immediately after fertilization by a maternal contribution...
December 2016: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/27735936/loss-of-rictor-with-aging-in-osteoblasts-promotes-age-related-bone-loss
#12
Pinling Lai, Qiancheng Song, Cheng Yang, Zhen Li, Sichi Liu, Bin Liu, Mangmang Li, Hongwen Deng, Daozhang Cai, Dadi Jin, Anling Liu, Xiaochun Bai
Osteoblast dysfunction is a major cause of age-related bone loss, but the mechanisms underlying changes in osteoblast function with aging are poorly understood. This study demonstrates that osteoblasts in aged mice exhibit markedly impaired adhesion to the bone formation surface and reduced mineralization in vivo and in vitro. Rictor, a specific component of the mechanistic target of rapamycin complex 2 (mTORC2) that controls cytoskeletal organization and cell survival, is downregulated with aging in osteoblasts...
October 13, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27714011/an-on-demand-gas-segmented-flow-generator-with-high-spatiotemporal-resolution-for-in-vivo-analysis-of-neuronal-response-in-c-elegans
#13
Liang Hu, Anle Ge, Xixian Wang, Shanshan Wang, Yue Gao, Xiaojun Feng, Wei Du, Bi-Feng Liu
Studies of chemo-sensing in C. elegans to fluctuating gaseous cues are limited due to the lack of a method of precise gas control. In this paper, we describe a microfluidic-based on-demand gas segmented flow generator for performing fluctuating gaseous stimulations to worms. This highly versatile and programmable micro-device integrated with pneumatic valves for flexible and stable gas flow control and worm immobilization enabled us to examine the temporal features of neuronal response to multiple gas pulses with sub-second precision...
October 5, 2016: Lab on a Chip
https://www.readbyqxmd.com/read/27680596/long-term-follow-up-for-anicteric-survival-with-native-liver-after-redo-kasai-a-first-report
#14
COMPARATIVE STUDY
Hiroki Nakamura, Takafumi Kawano, Katsumi Yoshizawa, Hideaki Nakajima, Kazuto Suda, Hiroyuki Koga, Kazuhiko Nakame, Satoshi Ieiri, Shigeru Takamizawa, Naoto Urushihara, Toshihiro Yanai, Atsuyuki Yamataka
PURPOSE: We present a first report of the long-term follow-up of biliary atresia (BA) patients who became anicteric with the native liver (ANL; total bilirubin <1.5mg/dL) after redo-Kasai. METHODS: Forty-six redo-Kasai cases (1984-2015) were the subjects for this study. ANL ratios were determined using the Kaplan-Meier estimate. RESULTS: BA type was I (n=3), II (n=1), and III (n=42). Mean ages (initial/redo) at Kasai were 60.3/231.9days, respectively...
December 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27591586/migration-kinetics-of-primary-aromatic-amines-from-polyamide-kitchenware-easy-and-fast-screening-procedure-using-fluorescence
#15
S Sanllorente, L A Sarabia, M C Ortiz
Primary aromatic amines, PAAs, and their derivatives constitute a health risk and control of their migration from food contact materials is the subject of permanent attention by the authorities. 25.1% of notifications made by Rapid Alert System for Food and Feed in the European Union between 2010 and 2015 concerned PAAs, polyamide cooking utensils being a common source. It is thus useful to have fast and efficient analytical methods for their control. In this work a non-separative, easy, fast and inexpensive spectrofluorimetric method based on the second order calibration of excitation-emission fluorescence matrices (EEMs) was proposed for the determination of aniline (ANL), 2,4-diaminotoluene (2,4-TDA) and 4,4'-methylenedianiline (4,4'-MDA) in polyamide cooking utensils...
November 1, 2016: Talanta
https://www.readbyqxmd.com/read/27570144/photocatalytic-ozonation-of-aniline-with-tio2-carbon-composite-materials
#16
C A Orge, J L Faria, M F R Pereira
The photocatalytic ozonation of aniline (ANL) aqueous solutions was carried out in the presence of neat titanium dioxide (TiO2), multi-walled carbon nanotubes (MWCNT) and a composite of TiO2 and MWCNT. Independent tests for catalytic ozonation and photocatalysis were also carried out in order to explore the potential occurrence of a synergetic effect. Photocatalytic and catalytic ozonation carried out with an ozone dose of 50 g m(-3) converted ANL in 15 min. Photocatalysis using P25, commercial TiO2, and an 80:20 (w/w) composite of P25 and MWCNT also led to total ANL conversion, but at longer reaction times...
August 25, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27566167/multi-element-bioimaging-of-arabidopsis-thaliana-roots
#17
Daniel Pergament Persson, Anle Chen, Mark G M Aarts, David E Salt, Jan K Schjoerring, Søren Husted
Better understanding of root function is central for the development of plants with more efficient nutrient uptake and translocation. We here present a method for multielement bioimaging at the cellular level in roots of the genetic model system Arabidopsis (Arabidopsis thaliana). Using conventional protocols for microscopy, we observed that diffusible ions such as potassium and sodium were lost during sample dehydration. Thus, we developed a protocol that preserves ions in their native, cellular environment...
October 2016: Plant Physiology
https://www.readbyqxmd.com/read/27563510/photochemical-reactions-of-aminonaphthols-caused-by-laser-desorption-ionization
#18
Keishiro Nagoshi, Kazuma Inatomi, Issey Osaka, Mitsuo Takayama
The formation of monomeric and dimeric ions of seven different aminonaphthols (ANLs) has been studied by using laser desorption/ionization (LDI) with a nitrogen laser. The positive-ion data of all the ANLs merely showed molecular ion M(·+) without protonated molecule [M+H](+), while 1-amino-2-naphthol (1,2-ANL) and 2-amino-1-naphthol (2,1-ANL) showed an intense dimeric ion [2 M-2H2O+H](+). The negative-ion data showed deprotonated molecule [M-H](-) in common, while the spectra of 1,2-ANL, 2,1-ANL and 8-amino-2-naphthol (8,2-ANL) accompanied an intense peak corresponding to negative molecular ion M(·-) and the 8,2-ANL and 4-amino-1-naphthol (4,1-ANL) accompanied dehydrogenated anion [M-2H](·-)...
2016: Mass Spectrometry
https://www.readbyqxmd.com/read/27548675/the-gene-encoding-dihydroflavonol-4-reductase-is-a-candidate-for-the-anthocyaninless-locus-of-rapid-cycling-brassica-rapa-fast-plants-type
#19
Douglas L Wendell, Anoumid Vaziri, Gurbaksh Shergill
Rapid cycling Brassica rapa, also known as Wisconsin Fast Plants, are a widely used organism in both K-12 and college science education. They are an excellent system for genetics laboratory instruction because it is very easy to conduct genetic crosses with this organism, there are numerous seed stocks with variation in both Mendelian and quantitative traits, they have a short generation time, and there is a wealth of educational materials for instructors using them. Their main deficiency for genetics education is that none of the genetic variation in RCBr has yet been characterized at the molecular level...
2016: PloS One
https://www.readbyqxmd.com/read/27502787/modeling-central-metabolism-and-energy-biosynthesis-across-microbial-life
#20
Janaka N Edirisinghe, Pamela Weisenhorn, Neal Conrad, Fangfang Xia, Ross Overbeek, Rick L Stevens, Christopher S Henry
BACKGROUND: Automatically generated bacterial metabolic models, and even some curated models, lack accuracy in predicting energy yields due to poor representation of key pathways in energy biosynthesis and the electron transport chain (ETC). Further compounding the problem, complex interlinking pathways in genome-scale metabolic models, and the need for extensive gapfilling to support complex biomass reactions, often results in predicting unrealistic yields or unrealistic physiological flux profiles...
2016: BMC Genomics
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