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https://www.readbyqxmd.com/read/28214919/grapevine-acclimation-to-water-deficit-the-adjustment-of-stomatal-and-hydraulic-conductance-differs-from-petiole-embolism-vulnerability
#1
Uri Hochberg, Andrea Giulia Bonel, Rakefet David-Schwartz, Asfaw Degu, Aaron Fait, Hervé Cochard, Enrico Peterlunger, Jose Carlos Herrera
Drought-acclimated vines maintained higher gas exchange compared to irrigated controls under water deficit; this effect is associated with modified leaf turgor but not with improved petiole vulnerability to cavitation. A key feature for the prosperity of plants under changing environments is the plasticity of their hydraulic system. In the present research we studied the hydraulic regulation in grapevines (Vitis vinifera L.) that were first acclimated for 39 days to well-watered (WW), sustained water deficit (SD), or transient-cycles of dehydration-rehydration-water deficit (TD) conditions, and then subjected to varying degrees of drought...
February 18, 2017: Planta
https://www.readbyqxmd.com/read/28214050/communication-deficits-and-avoidance-of-angry-faces-in-children-with-autism-spectrum-disorder
#2
Ana García-Blanco, Concepción López-Soler, Máximo Vento, María Carmen García-Blanco, Belén Gago, Manuel Perea
BACKGROUND: Understanding how emotional faces are processed is important to help characterize the social deficits in Autism Spectrum Disorder (ASD). AIMS: We examined: (i) whether attention is modulated by emotional facial expression; (ii) the time course of the attentional preferences (short vs. long stimulus presentation rates); and (iii) the association between attentional biases and autistic symptomatology. METHOD AND PROCEDURES: We applied a dot-probe experiment with emotional faces (happy, sad, and angry)...
February 14, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28213839/the-role-of-theory-of-mind-on-social-information-processing-in-children-with-autism-spectrum-disorders-a-mediation-analysis
#3
Monica Mazza, Melania Mariano, Sara Peretti, Francesco Masedu, Maria Chiara Pino, Marco Valenti
Individuals with autism spectrum disorders (ASD) show significant impairments in social skills and theory of mind (ToM). The aim of this study was to evaluate ToM and social information processing abilities in 52 children with ASD compared to 55 typically developing (TD) children. A mediation analysis evaluated whether social information processing abilities can be mediated by ToM competences. In our results, children with autism showed a deficit in social skills and ToM components. The innovative results of our study applying mediation analysis demonstrate that ToM plays a key role in the development of social abilities, and the lack of ToM competences in children with autism impairs their competent social behavior...
February 18, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28213715/the-influence-of-sc-doping-on-structural-electronic-and-optical-properties-of-be12o12-mg12o12-and-ca12o12-nanocages-a-dft-study
#4
Masoomeh Omidi, Hamid Reza Shamlouei, Motahareh Noormohammadbeigi
Density functional theory (DFT) calculations were used to study the effect of scandium doping on the structural, energetic, electronic, linear and nonlinear optical (NLO) properties of Be12O12, Mg12O12 and Ca12O12 nanoclusters. Scandium (Sc) doping on nanoclusters leads to narrowing of their E g, which enhances their conductance greatly. Also, the polarizability (α) and first hyperpolarizability (β0) of nanoclusters were dramatically increased as Be, Mg or Ca atoms are substituted with a Sc atom. Among all clusters, α and β0 values for Sc-doped Ca12O12 were the largest...
March 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28210826/stranger-fear-and-early-risk-for-social-anxiety-in-preschoolers-with-fragile-x-syndrome-contrasted-to-autism-spectrum-disorder
#5
Jessica F Scherr, Abigail L Hogan, Deborah Hatton, Jane E Roberts
This study investigated behavioral indicators of social fear in preschool boys with fragile X syndrome (FXS) with a low degree of autism spectrum disorder (ASD) symptoms (FXS-Low; n = 29), FXS with elevated ASD symptoms (FXS-High; n = 25), idiopathic ASD (iASD; n = 11), and typical development (TD; n = 36). Gaze avoidance, escape behaviors, and facial fear during a stranger approach were coded. Boys with elevated ASD symptoms displayed more avoidant gaze, looking less at the stranger and parent than those with low ASD symptoms across etiologies...
February 16, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28207919/tardive-dyskinesia-21st-century-may-bring-new-treatments-to-a-forgotten-disorder
#6
Gopalkumar Rakesh, Andrew Muzyk, Steven T Szabo, Sanjay Gupta, Chi-Un Pae, Prakash Masand
BACKGROUND: Tardive dyskinesia (TD) is a condition that was first described nearly 60 years ago. Despite the tremendous amount of research on pathophysiology and numerous follow-up studies to understand the course and prognosis of TD, effective treatment of the condition continued to elude us until recently. METHODS: We review and summarize clinical literature on TD, as well as provide an update on new treatments available. RESULTS: The emergence of tetrabenazine as a treatment modality decreased suffering and improved quality of life for patients...
February 1, 2017: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/28207575/health-related-quality-of-life-among-young-children-with-cochlear-implants-and-developmental-disabilities
#7
Anat Zaidman-Zait, Deirdre Curle, Janet R Jamieson, Ruth Chia, Frederick K Kozak
OBJECTIVE: The present study examined differences in health-related quality of life (HRQoL) between deaf children with cochlear implants (CI) with and without developmental disabilities (DD) and differences across HRQoL domains within both groups of children. METHODS: Ninety-two parents of children with CI aged 3-7 years participated in this cross-sectional study. Of these children, 43 had DD (i.e., CI-DD group) and 49 had no DD or chronic illness, demonstrating overall typical development (i...
February 15, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28207252/metal-metal-bridging-using-the-dppp-dye-system-electronic-configurations-within-multiple-redox-series
#8
Arijit Singha Hazari, Abhishek Mandal, Katharina Beyer, Alexa Paretzki, Wolfgang Kaim, Goutam Kumar Lahiri
Redox series [LnRu(μ-DPPP)RuLn](k), H2DPPP = 2,5-dihydro-3,6-di-2-pyridylpyrrolo(3,4-c)pyrrole-1,4-dione and L = 2,4-pentanedionato (acac(-)), 2,2'-bipyridine (bpy), and 2-phenylazopyridine (pap), have been studied by voltammetry (CV, DPV), EPR, and UV-vis-NIR spectroelectrochemistry, supported by TD-DFT calculations. Crystal structure analysis and (1)H NMR revealed oxidation states [(acac)2Ru(III)(μ-DPPP(2-))Ru(III)(acac)2] and [(bpy)2Ru(II)(μ-DPPP(2-))Ru(II)(bpy)2](2+) for the corresponding precursors, isolated as rac diastereomers...
February 16, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28205402/quantum-chemistry-descriptors-for-photosensitizers-based-on-macrocycles
#9
Fernanda Bettanin, Felipe C T Antonio, Kathia M Honorio, Paula Homem-de-Mello
Phthalocyanines, porphyrins, and chlorins have been widely studied as photosensitizers. Both experimental and computational strategies are employed in order to propose new and more active molecules derived from those macrocycles. In this context, there are two main strategies used: (i) the addition of different substituents and (ii) the complexation of the macrocycle with different metallic ions. In this work, we present selected descriptors based on quantum chemistry calculations for forty macrocycles, including some approved drugs...
February 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28201884/equation-of-motion-for-the-solvent-polarization-apparent-charges-in-the-polarizable-continuum-model-application-to-time-dependent-ci
#10
Silvio Pipolo, Stefano Corni, Roberto Cammi
The dynamics of the electrons for a molecule in solution is coupled to the dynamics of its polarizable environment, i.e., the solvent. To theoretically investigate such electronic dynamics, we have recently developed equations of motion (EOM) for the apparent solvent polarization charges that generate the reaction field in the Polarizable Continuum Model (PCM) for solvation and we have coupled them to a real-time time-dependent density functional theory (RT TDDFT) description of the solute [S. Corni et al., J...
February 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28199370/extra-nodal-extension-is-a-significant-prognostic-factor-in-lymph-node-positive-breast-cancer
#11
Sura Aziz, Elisabeth Wik, Gøril Knutsvik, Tor Audun Klingen, Ying Chen, Benedicte Davidsen, Hans Aas, Turid Aas, Lars A Akslen
Presence of lymph node (LN) metastasis is a strong prognostic factor in breast cancer, whereas the importance of extra-nodal extension and other nodal tumor features have not yet been fully recognized. Here, we examined microscopic features of lymph node metastases and their prognostic value in a population-based cohort of node positive breast cancer (n = 218), as part of the prospective Norwegian Breast Cancer Screening Program NBCSP (1996-2009). Sections were reviewed for the largest metastatic tumor diameter (TD-MET), nodal afferent and efferent vascular invasion (AVI and EVI), extra-nodal extension (ENE), number of ENE foci, as well as circumferential (CD-ENE) and perpendicular (PD-ENE) diameter of extra-nodal growth...
2017: PloS One
https://www.readbyqxmd.com/read/28199071/effect-of-antipsychotic-type-and-dose-changes-on-tardive-dyskinesia-and-parkinsonism-severity-in-patients-with-a-serious-mental-illness-the-cura%C3%A3-ao-extrapyramidal-syndromes-study-xii
#12
Charlotte L Mentzel, P Roberto Bakker, Jim van Os, Marjan Drukker, Glenn E Matroos, Hans W Hoek, Marina A J Tijssen, Peter N van Harten
OBJECTIVE: To test the efficacy of current treatment recommendations for parkinsonism and tardive dyskinesia (TD) severity in patients with severe mental illness (SMI). METHODS: We present an 18-year prospective study including all 223 patients with SMI (as defined by the 1987 US National Institute of Mental Health, which were based on DSM-III-R diagnostic criteria) receiving care from the only psychiatric hospital of the former Netherlands Antilles. Eight clinical assessments (1992-2009) focused on movement disorders and medication use...
February 14, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28198974/effect-of-two-desensitizing-agents-on-dentin-permeability-in-vitro
#13
Hiroshi Ishihata, Masafumi Kanehira, Werner J Finger, Hidekazu Takahashi, Makoto Tomita, Keiichi Sasaki
Objective: The aim of this in vitro study was to investigate the effect of two desensitizing agents and water on hydraulic conductance in human dentin. Material and Methods: GLUMA Desensitizer PowerGel (GLU) contains glutaraldehyde (GA) and 2-hydroxyethyl methacrylate (HEMA), and Teethmate Desensitizer (TD) is a powder comprising tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA) that is mixed with water. Deionized water was used as a negative control (CTR)...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28198891/photoacoustic-resonance-by-spatial-filtering-of-focused-ultrasound-transducers
#14
Dongyel Kang, Bahman Lashkari, Andreas Mandelis
The effect of a spherically focused ultrasound (US) transducer (TD) on photoacoustic (PA) measurements is analytically investigated using the concept of a virtual point detector. The derived analytical results indicate that the limited numerical aperture (NA) of the PA detector takes on the role of spatial filtering of the induced PA waves, which leads to the occurrence of a peak frequency in the PA spectrum. The mathematical description of this phenomenon is similar to the result of resonance peaks of light propagation in dielectrics...
February 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28198109/progenitors-in-peripheral-nerves-launch-heterotopic-ossification
#15
Elizabeth A Olmsted-Davis, Elizabeth A Salisbury, Diana Hoang, Eleanor L Davis, ZaWaunyka Lazard, Corinne Sonnet, Thomas A Davis, Jonathan A Forsberg, Alan R Davis
Studies presented here, using a murine model of bone morphogenetic protein type 2 (BMP2)-induced heterotopic ossification (HO) show that the protein initiates HO by signaling through progenitors in the endoneurium of peripheral nerves. In the mouse, these cells were identified in the endoneurium one day after BMP2 induction using antibody against phosphoSMAD (PS) 1, 5, and 8. Studies conducted in a tracking mouse that contains a tamoxifen-regulated Wnt1-Cre recombinase crossed with a td Tomato red (TR) reporter (Wnt1(CreErt) :Ai9Tm) confirmed their neural origin...
February 15, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28197860/local-resting-state-functional-connectivity-in-autism-site-and-cohort-variability-and-the-effect-of-eye-status
#16
Sangeeta Nair, R Joanne Jao Keehn, Michael M Berkebile, José Omar Maximo, Natalia Witkowska, Ralph-Axel Müller
Autism spectrum disorder (ASD) is a neurodevelopmental disorder with prominent impairments in sociocommunicative abilities, which have been linked to anomalous brain network organization. Despite ample evidence of atypical long-distance connectivity, the literature on local connectivity remains small and divergent. We used resting-state functional MRI regional homogeneity (ReHo) as a local connectivity measure in comparative analyses across several well-matched low-motion subsamples from the Autism Brain Imaging Data Exchange and in-house data, with a grand total of 147 ASD and 184 typically developing (TD) participants, ages 7-18 years...
February 14, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28197616/co-iii-complexes-of-1-3-selenazol-2-yl-hydrazones-and-their-sulphur-analogues
#17
Nenad R Filipović, Hana Elshaflu, Sonja Grubišić, Ljiljana S Jovanović, Marko Rodić, Irena Novaković, Aleksandar Malešević, Ivana S Djordjević, Haidong Li, Nešo Šojić, Aleksandar Marinković, Tamara R Todorović
The first Co(iii) complexes with (1,3-selenazol-2-yl)hydrazones as an unexplored class of ligands were prepared and characterized by NMR spectroscopy and X-ray diffraction analysis. The novel ligands act as NNN tridentate chelators forming octahedral Co(iii) complexes. The impact of structural changes on ligands' periphery as well as that of isosteric replacement of sulphur with selenium on the electrochemical and electronic absorption features of complexes are explored. To support the experimental data, density functional theory (DFT) calculations were also conducted...
February 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28196378/executive-function-in-preschoolers-with-primary-language-impairment
#18
Hui-Chun Yang, Shelley Gray
Purpose: The purpose of this study was to evaluate whether preschoolers with primary language impairment (PLI) show deficits in executive function (EF) compared with their peers with typical development (TD) when inhibition, updating, and mental-set shifting are examined using both linguistically based and visually based tasks. Method: Twenty-two 4- and 5-year-old preschoolers with PLI and 30 preschoolers with TD completed 2 sets of computerized EF tasks: 3 that were linguistically based and 3 that were visually based...
February 14, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28196376/autism-and-bilingualism-a-qualitative-interview-study-of-parents-perspectives-and-experiences
#19
Sarah Hampton, Hugh Rabagliati, Antonella Sorace, Sue Fletcher-Watson
Purpose: Research into how bilingual parents of children with autism spectrum disorder (ASD) make choices about their children's language environment is scarce. This study aimed to explore this issue, focusing on understanding how bilingual parents of children with ASD may make different language exposure choices compared with bilingual parents of children without ASD. Method: Semistructured qualitative interviews were conducted with 17 bilingual parents with a child with ASD and 18 bilingual parents with a typically developing (TD) child...
February 1, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28195668/towards-monodisperse-star-shaped-ladder-type-conjugated-systems-design-synthesis-stabilized-blue-electroluminescence-and-amplified-spontaneous-emission
#20
Wen-Yong Lai, Yi Jiang, Mei Fang, Si-Ju Chang, Jin-Jin Huang, Shuang-Quan Chu, Shan-Ming Hu, Cheng-Fang Liu, Wei Huang
A novel series of monodisperse star-shaped ladder-type oligo(p-phenylene)s, named as TrL-n (n = 1-3), have been explored. Their thermal and electrochemical properties, fluorescence transients, photoluminescence quantum yields, density functional theory calculations, electroluminescence (EL) and amplified spontaneous emission (ASE) properties have been systematically investigated to unravel the molecular design on optoelectronic properties. The resulting materials showed excellent structural perfection free of chemical defects, exhibiting great thermal stability (Td: 404-418°C and Tg:147-184°C) and amorphous glassy morphologies...
February 14, 2017: Chemistry: a European Journal
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