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https://www.readbyqxmd.com/read/28088127/cerebral-laterality-for-language-is-related-to-adult-salivary-testosterone-levels-but-not-digit-ratio-2d-4d-in-men-a-functional-transcranial-doppler-ultrasound-study
#1
Marietta Papadatou-Pastou, Maryanne Martin
The adequacy of three competing theories of hormonal effects on cerebral laterality are compared using functional transcranial Doppler sonography (fTCD). Thirty-three adult males participated in the study (21 left-handers). Cerebral lateralization was measured by fTCD using an extensively validated word generation task. Adult salivary testosterone (T) and cortisol (C) concentrations were measured by luminescence immunoassay and prenatal T exposure was indirectly estimated by the somatic marker of 2nd to 4th digit length ratio (2D:4D)...
January 11, 2017: Brain and Language
https://www.readbyqxmd.com/read/28088124/nipah-virus-transmission-of-a-zoonotic-paramyxovirus
#2
REVIEW
Bronwyn Anne Clayton
Nipah virus is a recently-recognised, zoonotic paramyxovirus that causes severe disease and high fatality rates in people. Outbreaks have occurred in Malaysia, Singapore, India and Bangladesh, and a putative Nipah virus was also recently associated with human disease in the Philippines. Worryingly, human-to-human transmission is common in Bangladesh, where outbreaks occur with near-annual frequency. Onward human transmission of Nipah virus in Bangladesh is associated with close contact with clinically-unwell patients or their infectious secretions...
January 11, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28088123/antibody-dependent-cellular-cytotoxicity-and-influenza-virus
#3
REVIEW
Hillary A Vanderven, Sinthujan Jegaskanda, Adam K Wheatley, Stephen J Kent
Antibodies are a key defence against influenza infection and disease, but neutralizing antibodies are often strain-specific and of limited utility against divergent or pandemic viruses. There is now considerable evidence that influenza-specific antibodies with Fc-mediated effector functions, such as antibody-dependent cellular cytotoxicity (ADCC), can assist in the clearance of influenza infection in vitro and in animal models. Further, ADCC-mediating antibodies that recognize a broad array of influenza strains are common in humans, likely as a result of being regularly exposed to influenza infections...
January 11, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28088120/3d-architecture-of-a-graphene-comoo4-composite-for-asymmetric-supercapacitors-usable-at-various-temperatures
#4
Yaru Jiang, Xin Zheng, Xiaoqin Yan, Yong Li, Xuan Zhao, Yue Zhang
Designing and optimizing the electrode materials and studying the electrochemical performance or cycle life of the supercapacitor under different working conditions are crucial to its practical application. Herein, we proposed a rational design of 3D-graphene/CoMoO4 nanoplates by a facile two-step hydrothermal method. Owing to the high electron transfer rate of graphene and the high activity of the CoMoO4 nanoplates, the three-dimensional electrode architectures achieved remarkable electrochemical performances with high areal specific capacitance (1255...
January 5, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28088116/upconversion-color-tuning-in-ce-3-doped-liyf4-yb-3-ho-3-liyf4-nanoparticles-towards-ratiometric-fluorescence-detection-of-chromium-iii
#5
Shijiang Liu, Yangjie Li, Cheng Zhang, Liang Yang, Tingting Zhao, Ruilong Zhang, Changlong Jiang
Ratiometric fluorescence sensor exhibits advantages of sensitive response, high anti-interference ability and naked eye visualization owing to multiple independent emission peaks utilized for results analysis. To achieve such multi-emission probe, the traditional methods have involved simple mixing of two emitters or tedious synthesis processes of hybrid material. However, these probes often have problems of inconstant emission strength ratio, low light-stability, and complicated synthetic process, which limit their applications in practical field...
January 7, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28088114/between-exposure-access-and-use-reconsidering-foodscape-influences-on-dietary-behaviours
#6
Christelle Clary, Stephen Augustus Matthews, Yan Kestens
Good accessibility to both healthy and unhealthy food outlets is a greater reality than food deserts. Yet, there is a lack of conceptual insights on the contextual factors that push individuals to opt for healthy or unhealthy food outlets when both options are accessible. Our comprehension of foodscape influences on dietary behaviours would benefit from a better understanding of the decision-making process for food outlet choices. In this paper, we build on the fundamental position that outlet choices are conditioned by how much outlets' attributes accommodate individuals' constraints and preferences...
January 11, 2017: Health & Place
https://www.readbyqxmd.com/read/28088106/uv-a-induced-delayed-development-in-the-larvae-of-coral-seriatopora-caliendrum
#7
Jie Zhou, Tung-Yung Fan, John Beardall, Kunshan Gao
Coral reefs are vulnerable to ultraviolet radiation (UVR, 280-400nm). Not only do the fluxes of UVR fluctuate daily, they are also increasing due to global ocean and atmospheric changes. The deleterious effects of UVR on scleractinian corals have been intensively studied, but much less is known about the response of corals in the early pre-settlement phase. In this study, we tested how UVR exposure affects survival and development of Seriatopora caliendrum larvae and examined the photophysiological changes induced in the symbiotic dinoflagellate Symbiodinium...
January 4, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28088102/effects-of-photoperiod-regimes-and-ultraviolet-c-radiations-on-biosynthesis-of-industrially-important-lignans-and-neolignans-in-cell-cultures-of-linum-usitatissimum-l-flax
#8
Sumaira Anjum, Bilal Haider Abbasi, Joël Doussot, Alain Favre-Réguillon, Christophe Hano
Lignans and neolignans are principal bioactive components of Linum usitatissimum L. (Flax), having multiple pharmacological activities. In present study, we are reporting an authoritative abiotic elicitation strategy of photoperiod regimes along with UV-C radiations. Cell cultures were grown in different photoperiod regimes (24h-dark, 24h-light and 16L/8D h photoperiod) either alone or in combination with various doses (1.8-10.8kJ/m(2)) of ultraviolet-C (UV-C) radiations. Secoisolariciresinol diglucoside (SDG), lariciresinol diglucoside (LDG), dehydrodiconiferyl alcohol glucoside (DCG), and guaiacylglycerol-β-coniferyl alcohol ether glucoside (GGCG) were quantified by using reverse phase-high performance liquid chromatography (RP-HPLC)...
January 7, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28088099/protein-templated-synthesis-of-metal-based-nanomaterials
#9
REVIEW
Arnout Rd Voet, Jeremy Rh Tame
There is currently intense interest in using protein scaffolds to prepare uniform nanometre-sized clusters of metals or other inorganic material for use as sensors, imaging agents, drugs, magnetic materials or catalysts. Non-templated chemical synthesis of such clusters often results in a product of variable size and quality, but protein molecules have proved adept at nucleating and stabilizing precise nanoclusters of various kinds. Although much research has focused on natural proteins, such as the iron-storage protein ferritin, recent developments in protein design have allowed entirely novel, symmetrical proteins to be used as templates for the first time...
January 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28088095/chemoreceptor-based-signal-sensing
#10
REVIEW
Miguel A Matilla, Tino Krell
Chemoreceptors are at the beginning of chemosensory signaling cascades that correspond to a major signal transduction mechanism. Chemoreceptors show a significant structural diversity of their ligand binding domains which present either a mono-modular or bi-modular arrangement. Although the majority of chemoreceptors are of unknown function, significant progress has been made in recent years in their functional annotation, which is reviewed here. In vitro ligand binding studies to recombinant ligand binding domains proved to be an efficient strategy to identify chemoreceptor functions...
January 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28088094/organ-on-a-chip-for-assessing-environmental-toxicants
#11
REVIEW
Soohee Cho, Jeong-Yeol Yoon
Man-made xenobiotics, whose potential toxicological effects are not fully understood, are oversaturating the already-contaminated environment. Due to the rate of toxicant accumulation, unmanaged disposal, and unknown adverse effects to the environment and the human population, there is a crucial need to screen for environmental toxicants. Animal models and in vitro models are ineffective models in predicting in vivo responses due to inter-species difference and/or lack of physiologically-relevant 3D tissue environment...
January 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28088092/aptamer-based-environmental-biosensors-for-small-molecule-contaminants
#12
REVIEW
Van-Thuan Nguyen, Young Seop Kwon, Man Bock Gu
Aptasensors are promising biosensors, which take advantage of using aptamers as a recognition element. The combination of the excellent characteristics of aptamers and the leading detection platform techniques, such as optical, electrochemical with nanomaterial-integrated, or mass-sensitive techniques with high sensitivity and specificity draws a promising view for the application of the aptasensors for the detection of harmful small toxic chemicals and real-time monitoring in the environments. In spite of attraction of aptasensors, application of them is limited to the complex environment due to the facts that how the immobilization of aptamers onto the surface affects the functions of aptamers and their structures for the detection of environmental contaminants are not clearly known...
January 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28088090/degradation-in-forensic-trace-dna-samples-explored-by-massively-parallel-sequencing
#13
Eirik Nataas Hanssen, Robert Lyle, Thore Egeland, Peter Gill
Routine forensic analysis using STRs will fail if the DNA is too degraded. The DNA degradation process in biological stain material is not well understood. In this study we sequenced old semen and blood stains by massively parallel sequencing. The sequence data coverage was used to measure degradation across the genome. The results supported the contention that degradation is uniform across the genome, showing no evidence of regions with increased or decreased resistance towards degradation. Thus the lack of genetic regions robust to degradation removes the possibility of using such regions to further optimize analysis performance for degraded DNA...
January 3, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28088088/prevalence-of-new-psychoactive-substances-in-northeast-asia-from-2007-to-2015
#14
Junhui Lee, Songhee Yang, Yujin Kang, Eunyoung Han, Ling-Yi Feng, Jih-Heng Li, Heesun Chung
The proliferation of new psychoactive substances (NPS) has been a global trend in drug abuse and its regulation has been a worldwide concern. There is no doubt that it is necessary to share information related to these emerging substances between countries and continents for the effective regulation of NPS. With efforts for the efficient regulation of NPS, many studies and information have been published for the prevalence of NPS in the United States and other countries in Europe and Oceania. However, there is lack of information available for the prevalence of NPS in Asian and African countries...
October 20, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28088087/ethylene-biosynthesis-and-perception-during-ripening-of-loquat-fruit-eriobotrya-japonica-lindl
#15
E Alos, A Martinez-Fuentes, C Reig, C Mesejo, M J Rodrigo, M Agustí, L Zacarías
In order to gain insights into the controversial ripening behavior of loquat fruits, in the present study we have analyzed the expression of three genes related to ethylene biosynthesis (ACS1, ACO1 and ACO2), two ethylene receptors (ERS1a and ERS1b), one signal transduction component (CTR1) and one transcription factor (EIL1) in peel and pulp of loquat fruit during natural ripening and also in fruits treated with ethylene (10μLL(-1)) and 1-MCP (10μLL(-1)), an ethylene action inhibitor. In fruits attached to or detached from the tree, a slight increase in ethylene production was detected at the yellow stage, but the respiration rate declined progressively during ripening...
December 19, 2016: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28088072/microstructural-mechanical-and-corrosion-characteristics-of-heat-treated-mg-1-2zn-0-5ca-wt-alloy-for-use-as-resorbable-bone-fixation-material
#16
Hamdy Ibrahim, Andrew D Klarner, Behrang Poorganji, David Dean, Alan A Luo, Mohammad Elahinia
Mg-Zn-Ca alloys have grabbed most of the recent attention in research attempting to develop an Mg alloy for bone fixation devices due to their superior biocompatibility. However, early resorption and insufficient strength remain the main problems that hinder their use. Heat treatment has previously been thoroughly studied as a post-shaping process, especially after the fabrication of complex parts (e.g. porous structures) by 3D-printing or powder metallurgy. In this work, the effect of heat treatment on Mg-1...
January 5, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28088070/fatigue-life-of-bovine-meniscus-under-longitudinal-and-transverse-tensile-loading
#17
Jaremy J Creechley, Madison E Krentz, Trevor J Lujan
The knee meniscus is composed of a fibrous extracellular matrix that is subjected to large and repeated loads. Consequently, the meniscus is frequently torn, and a potential mechanism for failure is fatigue. The objective of this study was to measure the fatigue life of bovine meniscus when applying cyclic tensile loads either longitudinal or transverse to the principal fiber direction. Fatigue experiments consisted of cyclic loads to 60%, 70%, 80% or 90% of the predicted ultimate tensile strength until failure occurred or 20,000 cycles was reached...
December 27, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28088068/perceived-assistance-in-pursuing-personal-goals-and-personal-recovery-among-mental-health-consumers-across-housing-services
#18
Galia S Moran, Kinneret Westman, Esther Weissberg, Samuel Melamed
Personal goals/plans play a central role in personal recovery and psychiatric rehabilitation of persons with mental illnesses. Yet, few studies have explored whether perceiving practitioners' assistance towards the pursuit of goals are associated with personal recovery and other favorable rehabilitation outcomes. A total of 2121 mental health consumers, of which 1222 use supported-housing services and 899 use group-home services, completed self-report questionnaires as part of a larger quality-assurance study conducted during the years 2013-2014...
January 5, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28088064/improved-cognition-while-cycling-in-parkinson-s-disease-patients-and-healthy-adults
#19
Audrey A Hazamy, Lori J P Altmann, Elizabeth Stegemöller, Dawn Bowers, Hyo Keun Lee, Jonathan Wilson, Michael S Okun, Chris J Hass
Persons with Parkinson's disease (PD) are typically more susceptible than healthy adults to impaired performance when two tasks (dual task interference) are performed simultaneously. This limitation has by many experts been attributed to limitations in cognitive resources. Nearly all studies of dual task performance in PD employ walking or balance-based motor tasks, which are commonly impaired in PD. These tasks can be performed using a combination of one or two executive function tasks. The current study examined whether persons with PD would demonstrate greater dual task effects (DTEs) on cognition compared to healthy older adults (HOAs) during a concurrent cycling task...
January 11, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28088063/verbal-and-musical-short-term-memory-variety-of-auditory-disorders-after-stroke
#20
Catherine Hirel, Norbert Nighoghossian, Yohana Lévêque, Salem Hannoun, Lesly Fornoni, Sébastien Daligault, Patrick Bouchet, Julien Jung, Barbara Tillmann, Anne Caclin
Auditory cognitive deficits after stroke may concern language and/or music processing, resulting in aphasia and/or amusia. The aim of the present study was to assess the potential deficits of auditory short-term memory for verbal and musical material after stroke and their underlying cerebral correlates with a Voxel-based Lesion Symptom Mapping approach (VLSM). Patients with an ischemic stroke in the right (N=10) or left (N=10) middle cerebral artery territory and matched control participants (N=14) were tested with a detailed neuropsychological assessment including global cognitive functions, music perception and language tasks...
January 11, 2017: Brain and Cognition
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