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https://www.readbyqxmd.com/read/28550806/lettuce-facing-microcystins-rich-irrigation-water-at-different-developmental-stages-effects-on-plant-performance-and-microcystins-bioaccumulation
#1
Efi Levizou, George Statiris, Theodoti Papadimitriou, Chrysi S Laspidou, Konstantinos Ar Kormas
This study investigated the microcystins (MCs)-rich irrigation water effect on lettuce of different developmental stages, i.e. during a two months period, covering the whole period from seed germination to harvest at marketable size of the plant. We followed four lettuce plant groups receiving MCs-rich water (1.81μgl(-1) of dissolved MCs), originating from the Karla Reservoir, central Greece: 1) from seeds, 2) the cotyledon, 3) two true leaves and 4) four true leaves stages, all of which were compared to control plants that received tap water...
May 24, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28550609/validation-of-the-taps-1-a-four-item-screening-tool-to-identify-unhealthy-substance-use-in-primary-care
#2
Jan Gryczynski, Jennifer McNeely, Li-Tzy Wu, Geetha A Subramaniam, Dace S Svikis, Lauretta A Cathers, Gaurav Sharma, Jacqueline King, Eve Jelstrom, Courtney D Nordeck, Anjalee Sharma, Shannon G Mitchell, Kevin E O'Grady, Robert P Schwartz
BACKGROUND: The Tobacco, Alcohol, Prescription Medication, and Other Substance use (TAPS) tool is a combined two-part screening and brief assessment developed for adult primary care patients. The tool's first-stage screening component (TAPS-1) consists of four items asking about past 12-month use for four substance categories, with response options of never, less than monthly, monthly, weekly, and daily or almost daily. OBJECTIVE: To validate the TAPS-1 in primary care patients...
May 26, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28550509/possible-involvement-of-acss2-gene-in-alcoholism
#3
Andrea Frozino Ribeiro, Roseli Boerngen de Lacerda, Diego Correia, Ana Lúcia Brunialti-Godard, Débora Marques de Miranda, Valdir Ribeiro Campos, Valéria Fernandes de Souza, Angela Maria Ribeiro
Alcoholism is a psychiatric disorder that composes one of the principal causes of health disabilities in the world population. Furthermore, the available pharmacotherapy is limited. Therefore, this research was carried out to better understand the basis of the underlying neurobiological processes of this disorder and to discover potential therapeutic targets. Real-time PCR analysis was performed in the amygdala nuclei region of the brain of mice exposed to a chronic three-bottle free-choice model (water, 5 and 10% v/v ethanol)...
May 26, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28546905/high-density-microporous-li4ti5o12-microbars-with-superior-rate-performance-for-lithium-ion-batteries
#4
Linkai Tang, Yan-Bing He, Chao Wang, Shuan Wang, Marnix Wagemaker, Baohua Li, Quan-Hong Yang, Feiyu Kang
Nanosized Li4Ti5O12 (LTO) materials enabling high rate performance suffer from a large specific surface area and low tap density lowering the cycle life and practical energy density. Microsized LTO materials have high density which generally compromises their rate capability. Aiming at combining the favorable nano and micro size properties, a facile method to synthesize LTO microbars with micropores created by ammonium bicarbonate (NH4HCO3) as a template is presented. The compact LTO microbars are in situ grown by spinel LTO nanocrystals...
May 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28546891/scaling-law-to-determine-peak-forces-in-tapping-mode-afm-experiments-on-finite-elastic-soft-matter-systems
#5
Horacio V Guzman
Analytical equations to estimate the peak force will facilitate the interpretation and the planning of amplitude-modulation force microscopy (tapping mode) experiments. A closed-form analytical equation to estimate the tip-sample peak forces while imaging soft materials in liquid environment and within an elastic deformation regime has been deduced. We have combined a multivariate regression method with input from the virial-dissipation equations and Tatara's bidimensional deformation contact mechanics model...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28546809/comparison-of-brain-activation-during-motor-imagery-and-motor-movement-using-fnirs
#6
Alyssa M Batula, Jesse A Mark, Youngmoo E Kim, Hasan Ayaz
Motor-activity-related mental tasks are widely adopted for brain-computer interfaces (BCIs) as they are a natural extension of movement intention, requiring no training to evoke brain activity. The ideal BCI aims to eliminate neuromuscular movement, making motor imagery tasks, or imagined actions with no muscle movement, good candidates. This study explores cortical activation differences between motor imagery and motor execution for both upper and lower limbs using functional near-infrared spectroscopy (fNIRS)...
2017: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28543779/inosine-can-increase-dna-s-susceptibility-to-photo-oxidation-by-a-ru-ii-complex-due-to-structural-change-in-the-minor-groove
#7
John M Kelly, Paraic Keane, James Hall, Fergus Poynton, Bjorn Poulsen, Sarah Gurung, Ian Clark, Igor Sazanovich, Michael Towrie, Thorfinnur Gunnlaugsson, Susan Quinn, Christine Cardin
Key to the development of DNA-targeting phototherapeutic drugs is determining the interplay between the photoactivity of the drug and its binding preference for a target sequence. For the photo-oxidising lambda-[Ru(TAP)2(dppz)]2+ (Ʌ-1) complex bound to either d{T1C2G3G4C5G6C7C8G9A10}2 (G9) or d{TCGGCGCCIA}2 (I9), the X-ray crystal structures shows the dppz intercalated at the terminal T1C2;G9A10 step or T1C2;I9A10 step. Thus substitution of the G9 nucleobase by inosine does not affect intercalation in the solid state although with I9 the dppz is more deeply inserted...
May 25, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28542892/knowledge-diagnosis-and-management-of-dentine-hypersensitivity-a-national-survey-of-dentists-in-nigeria
#8
Olabisi Hajarat Oderinu, Mathew Asizide Sede, Adeleke Oke Oginni, Ilemobade Cyril Adegbulugbe, Omolara Gbonjubola Uti, Adeyemi Oluniyi Olusile, Christopher I Udoye, Kofoworola Olaide Savage
AIM: To assess the knowledge of Nigerian dentists regarding dentine hypersensitivity (DH) and their methods of diagnosis and management. METHODS: A cross-sectional questionnaire-based study of dentists practicing in all six geopolitical zones of Nigeria was conducted. The questionnaire focussed on participant's demography, exposure to patients with DH, knowledge-based questions, diagnosis and management of DH. Data analysis using EPI Info statistical software determined frequencies and proportions...
May 20, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28542785/tap-tap-who-s-there-it-s-localized-muscle-activity-elicited-by-the-human-stretch-reflex
#9
Martin E Héroux
Skeletal muscles are the motors that make us move. Discharge of α-motoneurones causes muscle fibres they innervate to contract and generate force. This article is protected by copyright. All rights reserved.
May 23, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28542581/spontaneous-bimanual-independence-during-parallel-tapping-and-sawing
#10
Sandra Dorothee Starke, Chris Baber
The performance of complex polyrhythms-rhythms where the left and right hand move at different rates-is usually the province of highly trained individuals. However, studies in which hand movement is guided haptically show that even novices can perform polyrhythms with no or only brief training. In this study, we investigated whether novices are able to tap with one hand by matching different rates of a metronome while sawing with the other hand. This experiment was based on the assumption that saw movement is controlled consistently at a predictable rate without the need for paying primary attention to it...
2017: PloS One
https://www.readbyqxmd.com/read/28542489/d-helix-influences-dimerization-of-the-atp-binding-cassette-abc-transporter-associated-with-antigen-processing-1-tap1-nucleotide-binding-domain
#11
Ahmet S Vakkasoglu, Sriram Srikant, Rachelle Gaudet
ATP-binding cassette (ABC) transporters form a large family of transmembrane importers and exporters. Using two nucleotide-binding domains (NBDs), which form a canonical ATP-sandwich dimer at some point within the transport cycle, the transporters harness the energy from ATP binding and hydrolysis to drive substrate transport. However the structural elements that enable and tune the dimerization propensity of the NBDs have not been fully elucidated. Here we compared the biochemical properties of the NBDs of human and rat TAP1, a subunit of the heterodimeric transporter associated with antigen processing (TAP)...
2017: PloS One
https://www.readbyqxmd.com/read/28542042/comparison-between-cortical-drill-and-cortical-tap-and-their-influence-on-primary-stability-of-macro-thread-tapered-implant-in-thin-crestal-cortical-bone-and-low-density-bone
#12
Dasom Heo, Young-Ku Heo, Jong-Ho Lee, Jun-Jae Lee, Bongju Kim
OBJECTIVE: To evaluate the effect of different surgical techniques on primary stability, particularly in poor-quality bone with or without a crestal cortical bone. MATERIALS AND METHODS: Three implant site preparation techniques-undersized drilling (UD), undersized drilling and coronal widening with a cortical drill (UD + CD), undersized drilling and coronal tapping with a cortical tap (UD + CT)-were compared in 2 different low-density polyurethane bone models either with or without the crestal cortical bone...
May 23, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28541696/reversible-redox-activity-in-multicomponent-metal-organic-frameworks-constructed-from-trinuclear-copper-pyrazolate-building-blocks
#13
Binbin Tu, Qingqing Pang, Huoshu Xu, Xiaomin Li, Yulin Wang, Zhen Ma, Linhong Weng, Qiaowei Li
Inorganic functionalization of metal-organic frameworks (MOFs), such as incorporating multiple inorganic building blocks with distinct metals into one structure and further modulating the metal charges, endows the porous materials with significant properties towards their applications in catalysis. In this report, by exploring the role of 4-pyrazolecarboxylic acid (H2PyC) in the formation of trinuclear copper pyrazolate as a metalloligand in situ, four new MOFs with multiple components in order were constructed through one-pot synthesis...
May 25, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28541354/azaporphyrin-phosphorus-v-complexes-synthesis-structure-and-modification-of-optical-properties
#14
Taniyuki Furuyama, Nagao Kobayashi
Azaporphyrinoids, such as phthalocyanines (Pcs), tetraazaporphyrins (TAPs), and tetrabenzotriazacorroles (TBCs), are some of the most well-known and successful artificial dyes and pigments in modern material chemistry. Modifications of the macrocyclic core, periphery, and central element have attracted a great deal of interest in materials sciences due to generation of unique optical and electronic properties. However, the synthesis of most azaporphyrinoids with novel physical properties generally needs long, tedious procedures...
May 25, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28541274/cerebrospinal-fluid-procalcitonin-as-a-biomarker-of-bacterial-meningitis-in-neonates
#15
Z Reshi, M Nazir, W Wani, M Malik, J Iqbal, S Wajid
OBJECTIVE: The objective of the study was to study the performance of cerebrospinal fluid (CSF) procalcitonin as a marker for bacterial meningitis in neonates, and to determine its optimal 'cutoff' in CSF that can be called significant for the diagnosis. STUDY DESIGN: Neonates qualifying for lumbar puncture were prospectively studied. Procalcitonin and established CSF parameters were recorded. RESULTS: At a cut-off value of 0.33 ng ml(-1), CSF procalcitonin had a sensitivity of 0...
May 25, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28541058/further-examination-of-the-factor-structure-of-the-male-role-norms-inventory-short-form-mrni-sf-measurement-considerations-for-women-men-of-color-and-gay-men
#16
Ryon C McDermott, Ronald F Levant, Joseph H Hammer, Rosalie J Hall, Daniel K McKelvey, Zachary Jones
Using multigroup structural equation modeling in a large sample of online-survey respondents (N = 6,744), the present study examined the reliability and dimensionality of the Male Role Norms Inventory-Short Form (MRNI-SF), a popular measurement of traditional masculinity ideology (TMI), and also tested measurement invariance between individuals that do and do not fit the White heterosexual male TMI reference group. Results indicated that (a) it is appropriate to model the MRNI-SF using either a bifactor or unidimensional model but not a second-order model, (b) the raw MRNI-SF total score is a suitable measure of the general TMI construct, (c) the raw self-reliance through mechanical skills and negativity toward sexual minorities subscale scores may be appropriate measures of their respective specific factors (akin to subscale factors), and (d) SEM or ipsatizing procedures should be used to model the 5 other specific factors, given the insufficient model-based reliability of their raw subscale scores...
May 25, 2017: Journal of Counseling Psychology
https://www.readbyqxmd.com/read/28540104/pseudohyperglycemia-effects-of-unwashed-hand-after-fruit-peeling-or-handling-on-fingertips-blood-glucose-monitoring-results
#17
M A Olamoyegun, T Oloyede, O G Adewoye, S O Abdulkarim, A A Adeleke
BACKGROUND: Self-monitoring of blood glucose (SMBG) is an important component of management for diabetes mellitus (DM), especially in T1DM and T2DM patients who are on insulin therapy. Adequate blood glucose monitoring and prompt intervention are necessary to prevent blood glucose (BG) fluctuation and delay long-term diabetes complications. People with DM are advised to clean their hands before SMBG to remove any dirt or food residue that might affect the reading. AIM: The study tested the hypothesis that falsely elevated BG levels from fingertip occur after peeling or handling fruits in an unwashed hand...
November 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28539363/identification-of-karyopherins-involved-in-the-nuclear-import-of-rna-exosome-subunit-rrp6-in-saccharomyces-cerevisiae
#18
Fernando A Gonzales-Zubiate, Ellen K Okuda, Julia Pc Da Cunha, Carla Columbano Oliveira
The exosome is a conserved multiprotein complex essential for RNA processing and degradation. The nuclear exosome is a key factor for pre-rRNA processing through the activity of its catalytic subunits, Rrp6 and Rrp44. In Saccharomyces cerevisiae, Rrp6 is exclusively nuclear and has been shown to interact with exosome cofactors. With the aim of analyzing proteins associated with the nuclear exosome, in this work, we purified the complex with Rrp6-TAP, identified the co-purified proteins by mass spectrometry, and found karyopherins to be one of the major groups of proteins enriched in the samples...
May 24, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28539092/work-remains-meaningful-despite-time-out-of-the-workplace-and-chronic-pain
#19
Sara Saunders, Bernadette Nedelec, Ellen MacEachen
PURPOSE: Although work has been found to be meaningful and a source of motivation to return to work in certain disabled populations, it was unclear if this was also true for people experiencing a long period of unemployment and job loss due to a musculoskeletal injury. Therefore, the aim of this phenomenological study was to explore the meaning of work for those with chronic work disability due to a musculoskeletal injury. METHOD: The data from 27 interviews, conducted with 9 participants, was analyzed using the Empirical Phenomenological Psychological method...
May 24, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28535862/effects-of-water-bottle-materials-and-filtration-on-bisphenol-a-content-in-laboratory-animal-drinking-water
#20
Jennifer A Honeycutt, Jenny Q T Nguyen, Amanda C Kentner, Heather C Brenhouse
Bisphenol A (BPA) is widely used in the polycarbonate plastics and epoxy resins that are found in laboratory animal husbandry materials including cages and water bottles. Concerns about BPA exposure in humans has led to investigations that suggest physiologic health risks including disruptions to the endocrine system and CNS. However, the extent of exposure of laboratory animals to BPA in drinking water is unclear. In the first study, we compared the amount of BPA contamination in water stored in plastic bottles used in research settings with that in glass bottles...
May 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
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