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https://www.readbyqxmd.com/read/29223902/people-pollution-and-pathogens-global-change-impacts-in-mountain-freshwater-ecosystems
#1
REVIEW
Dirk S Schmeller, Adeline Loyau, Kunshan Bao, Werner Brack, Antonis Chatzinotas, Francois De Vleeschouwer, Jan Friesen, Laure Gandois, Sophia V Hansson, Marilen Haver, Gaël Le Roux, Ji Shen, Roman Teisserenc, Vance T Vredenburg
Mountain catchments provide for the livelihood of more than half of humankind, and have become a key destination for tourist and recreation activities globally. Mountain ecosystems are generally considered to be less complex and less species diverse due to the harsh environmental conditions. As such, they are also more sensitive to the various impacts of the Anthropocene. For this reason, mountain regions may serve as sentinels of change and provide ideal ecosystems for studying climate and global change impacts on biodiversity...
December 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29223778/differences-in-trochlear-parameters-between-native-and-prosthetic-kinematically-or-mechanically-aligned-knees
#2
C Rivière, F Iranpour, S Harris, E Auvinet, A Aframian, S Parratte, J Cobb
INTRODUCTION: Kinematic (KA) and mechanical (MA) alignment techniques are two different philosophies of implant positioning that use the same TKA implants. This might generate differences in the resulting prosthetic trochlea parameters between the two techniques of alignment. Our study aim was to test the following hypotheses: 1) Mechanically or kinematically aligned femoral implant understuffs the native trochlear articular surface and poorly restores the native groove orientation, and 2) The orientation of the prosthetic trochlear groove and trochlear fill are different between MA and KA...
December 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29223123/differentiation-of-human-blood-from-animal-blood-using-raman-spectroscopy-a-survey-of-forensically-relevant-species
#3
Kyle C Doty, Igor K Lednev
The identification of blood samples is a crucial facet of forensic investigations, particularly for violent crimes. One step in forensic serology (i.e., the analysis of bodily fluids) that is often skipped or overlooked is the determination that a bloodstain is of human or nonhuman origin. Typically, subsequent to identifying a stain as blood using a presumptive blood test, which have the propensity of providing false positive results, the stain is submitted for extraction of a DNA profile to compare with those in a database...
November 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29222994/supportive-environments-for-physical-activity-in-deprived-communities-in-the-united-kingdom-a-qualitative-study-using-photo-elicitation
#4
Alexia Sawyer, Marcella Ucci, Russell Jones, Lee Smith, Abi Fisher
The health benefits of regular physical activity are substantial and well-established. However, population activity levels are insufficient to obtain health benefits in the United Kingdom (UK), and strategies to increase activity, particularly in income-deprived communities, are sought. Socioecological models of physical activity posit that activity levels are influenced by social, physical and wider environmental factors. In line with a growing evidence base, there is a need to understand the factors that contribute to an activity-supportive neighbourhood within deprived settings within the UK...
December 2, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/29221928/momentary-assessment-of-impulsive-choice-and-impulsive-action-reliability-stability-and-correlates
#5
Danielle E McCarthy, Haruka Minami, Krysten W Bold, Vivian M Yeh, Gretchen Chapman
Impulsivity is associated with substance use, including tobacco use. The degree to which impulsivity fluctuates over time within persons, and the degree to which such intra-individual changes can be measured reliably and validly in ambulatory assessments is not known, however. The current study evaluated two novel ambulatory measures of impulsive choice and impulsive action. Impulsive choice was measured with an eight-item delay discounting task designed to estimate the subjective value of delayed monetary rewards...
November 22, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29221414/orientation-dependence-of-the-work-function-for-metal-nanocrystals
#6
Lingyuan Gao, Jaime Souto-Casares, James R Chelikowsky, Alexander A Demkov
Work function values measured at different surfaces of a metal are usually different. This raises an interesting question: What is the work function of a nano-size crystal, where differently oriented facets can be adjacent? Work functions of metallic nanocrystals are also of significant practical interest, especially in catalytic applications. Using real space pseudopotentials constructed within density functional theory, we compute the local work function of large aluminum and gold nanocrystals. We investigate how the local work function follows the change of the surface plane orientation around multifaceted nanocrystals, and we establish the importance of the orbital character near the Fermi level in determining work function differences between facets...
December 7, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29221059/metallic-fresnel-zone-plate-implemented-on-an-optical-fiber-facet-for-super-variable-focusing-of-light
#7
Hyuntai Kim, Jinseob Kim, Haechan An, Yohan Lee, Gun-Yeal Lee, Jeongkyun Na, Kyoungyoon Park, Seungjong Lee, Seung-Yeol Lee, Byoungho Lee, Yoonchan Jeong
We propose and investigate a metallic Fresnel zone plate (FZP/MFZP) implemented on a silver-coated optical fiber facet for super-variable focusing of light, the focal point of which can be drastically relocated by varying the wavelength of the incident light. We numerically show that when its nominal focal length is set to 20 μm at 550 nm, its effective focal length can be tuned by ~13.7 μm for 300-nm change in the visible wavelength range. This tuning sensitivity is over 20 times higher than that of a conventional silica-based spherical lens...
November 27, 2017: Optics Express
https://www.readbyqxmd.com/read/29220669/modulation-of-dietary-folate-with-age-confers-selective-hepatocellular-epigenetic-imprints-through-dna-methylation
#8
Rauf Ahmad Najar, Nissar Ahmad Wani, Javeed Ahmad Bhat, Nawab John Dar, Beenish Rahat, Ajai Prakash Gupta, Jaspreet Kaur, Jyotdeep Kaur, Abid Hamid
The present study has been designed to determine the effect of folate modulation (deficiency/supplementation) with aging on the promoter methylation of tumor suppressor and proto-oncogenes to understand the underlying mechanism of epigenetic alterations. Folate deficiency was induced for 3 and 5 months in weanling, young and adult groups, and after 3 months of folate deficiency, they were repleted with physiological folate (2 mg/kg diet) and folate oversupplementation (8 mg/kg diet) for another 2 months. The methylation facet in the present study revealed that the combined effect of folate deficiency and aging decreased the methylation index...
November 2, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29219780/anatomical-and-technical-factors-associated-with-superior-facet-joint-violation-in-lumbar-fusion
#9
Alisson R Teles, Michael Paci, Gabriel Gutman, Fahad H Abduljabbar, Jean A Ouellet, Michael H Weber, Jeff D Golan
OBJECTIVE The aim of this study was to evaluate the anatomical and surgical risk factors for screw-related facet joint violation at the superior level in lumbar fusion. METHODS The authors conducted a retrospective review of a consecutive series of posterior lumbar instrumented fusions performed by a single surgeon. Inclusion criteria were primary lumbar fusion of 1 or 2 levels for degenerative disorders. The following variables were analyzed as possible risk factors: surgical technique (percutaneous vs open screw placement), depth of surgical field, degree of anterior slippage of the superior level, pedicle and facet angle, and facet degeneration of the superior level...
December 8, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29219496/early-onset-of-kinetic-roughening-due-to-a-finite-step-width-in-hematin-crystallization
#10
Katy N Olafson, Jeffrey D Rimer, Peter G Vekilov
The structure of the interface of a growing crystal with its nutrient phase largely determines the growth dynamics. We demonstrate that hematin crystals, crucial for the survival of malaria parasites, transition from faceted to rough growth interfaces at increasing thermodynamic supersaturation Δμ. Contrary to theoretical predictions and previous observations, this transition occurs at moderate values of Δμ. Moreover, surface roughness varies nonmonotonically with Δμ, and the rate constant for rough growth is slower than that resulting from nucleation and spreading of layers...
November 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29219417/nonlinear-focusing-in-dynamic-crack-fronts-and-the-microbranching-transition
#11
Itamar Kolvin, Jay Fineberg, Mokhtar Adda-Bedia
Cracks in brittle materials produce two types of generic surface structures: facets at low velocities and microbranches at higher ones. Here we observe a transition from faceting to microbranching in polyacrylamide gels that is characterized by nonlinear dynamic localization of crack fronts. To better understand this process we derive a first-principles nonlinear equation of motion for crack fronts in the context of scalar elasticity. Its solution shows that nonlinear focusing coupled to rate dependence of dissipation governs the transition to microbranching...
November 24, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29218898/building-trans-omics-evidence-using-imaging-and-omics-to-characterize-cancer-profiles
#12
Arunima Srivastava, Chaitanya Kulkarni, Parag Mallick, Kun Huang, Raghu Machiraju
Utilization of single modality data to build predictive models in cancer results in a rather narrow view of most patient profiles. Some clinical facet s relate strongly to histology image features, e.g. tumor stages, whereas others are associated with genomic and proteomic variations (e.g. cancer subtypes and disease aggression biomarkers). We hypothesize that there are coherent "trans-omics" features that characterize varied clinical cohorts across multiple sources of data leading to more descriptive and robust disease characterization...
2018: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/29218587/facial-expression-analysis-with-affdex-and-facet-a-validation-study
#13
Sabrina Stöckli, Michael Schulte-Mecklenbeck, Stefan Borer, Andrea C Samson
The goal of this study was to validate AFFDEX and FACET, two algorithms classifying emotions from facial expressions, in iMotions's software suite. In Study 1, pictures of standardized emotional facial expressions from three databases, the Warsaw Set of Emotional Facial Expression Pictures (WSEFEP), the Amsterdam Dynamic Facial Expression Set (ADFES), and the Radboud Faces Database (RaFD), were classified with both modules. Accuracy (Matching Scores) was computed to assess and compare the classification quality...
December 7, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/29218393/-microperc-micropercutaneous-nephrolithotomy-a-review-of-the-literature
#14
REVIEW
Arvind P Ganpule, Jaspreet Chabra, Mahesh R Desai
Recent years have seen innovations in working armamentarium of percutaneous nephrolithotomy (PCNL) leading to development of novel modifications such as miniperc, ultra miniperc, and microperc. Amongst these microperc appears to be least invasive and various authors, off late, have reported their experience with the technique. Literature on microperc was reviewed by a MEDLINE/PubMed search with articles in the English language since 2011 in published peer-reviewed journals. Articles comprised of case series, comparative, and noncomparative studies...
December 7, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29218023/on-the-diversity-of-linguistic-data-and-the-integration-of-the-language-sciences
#15
Roberta D'Alessandro, Marc van Oostendorp
An integrated science of language is usually advocated as a step forward for linguistic research. In this paper, we maintain that integration of this sort is premature, and cannot take place before we identify a common object of study. We advocate instead a science of language that is inherently multi-faceted, and takes into account the different viewpoints as well as the different definitions of the object of study. We also advocate the use of different data sources, which, if non-contradictory, can provide more solid evidence for linguistic analysis...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29217153/patterns-of-transition-experience-for-parents-going-home-from-hospital-with-their-infant-after-first-stage-surgery-for-complex-congenital-heart-disease
#16
Kerry L Gaskin
PURPOSE: The purpose of this study was to explore parents' experiences of one specific timepoint in their infant's journey: the transition from hospital to home, following the first stage of their infant's cardiac surgery for complex congenital heart disease. DESIGN AND METHODS: A prospective longitudinal mixed methods study, underpinned with Middle Range Transition Theory (Meleis, Sawyer, Im, Hilfinger Messias, & Schumacher, 2000). Face to face and telephone interviews were conducted and self-report forms completed by parents at four-time points: before discharge (T0), 2weeks after discharge (T1), 8weeks after discharge (T2) and after stage two surgery (T3)...
December 4, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/29216850/adolescent-substance-use-behavior-and-suicidal-behavior-for-boys-and-girls-a-cross-sectional-study-by-latent-analysis-approach
#17
Peng-Wei Wang, Cheng-Fang Yen
BACKGROUND: Adolescent suicidal behavior may consist of different symptoms, including suicidal ideation, suicidal planning and suicidal attempts. Adolescent substance use behavior may contribute to adolescent suicidal behavior. However, research on the relationships between specific substance use and individual suicidal behavior is insufficient, as adolescents may not use only one substance or develop only one facet of suicidal behavior. Latent variables permit us to describe the relationships between clusters of related behaviors more accurately than studying the relationships between specific behaviors...
December 8, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29216447/expectations-about-recipients-prosociality-and-mental-time-travel-relate-to-resource-allocation-in-preschoolers
#18
Yuto Kumaki, Yusuke Moriguchi, Masako Myowa-Yamakoshi
Previous studies have revealed that preschoolers selectively allocate their resources based on their social relationship with recipients such as friendship. In this investigation, we investigated how expectations about recipients' prosociality and the ability of future thinking relate to the selective allocation of resources. In Study 1, participants aged 3.5-6 years chose how to allocate resources from two ways (selfish allocation, where only the participants could receive stickers, and equal allocation, where the participants and recipients receive get the same number of stickers) in costly and non-costly situations with three recipients (friend, peer, and stranger)...
December 4, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/29215870/investigation-of-a-structural-phase-transition-and-magnetic-structure-of-na2bafe-vo4-2-a-triangular-magnetic-lattice-with-a-ferromagnetic-ground-state
#19
Liurukara D Sanjeewa, Vasile O Garlea, Michael A McGuire, Matthias Frontzek, Colin D McMillen, Kyle Fulle, Joseph W Kolis
The structural and magnetic properties of a glaserite-type Na2BaFe(VO4)2 compound, featuring a triangular magnetic lattice of Fe2+ (S = 2), are reported. Temperature dependent X-ray single crystal studies indicate that at room temperature the system adopts a trigonal P3̅m1 structure and undergoes a structural phase transition to a C2/c monoclinic phase slightly below room temperature (Ts = 288 K). This structural transition involves a tilting of Fe-O-V bond angles and strongly influences the magnetic correlation within the Fe triangular lattice...
December 7, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29215112/ultrathin-two-dimensional-metals-with-fully-exposed-111-facets
#20
Kai Huang, Jiwei Hou, Qingyun Zhang, Gang Ou, Dongdong Ning, Naveed Hussain, Yushuai Xu, Binghui Ge, Kai Liu, Hui Wu
Large-size ultrathin two-dimensional (2D) metals with a fully exposed (111) surface have been synthesized by a heat-pressing process. As a result of the compact (111) surface arrangement, an ultrathin Pt 5 nm 2D metal exhibits a superior methanol electro-oxidation performance than an as-sputtered Pt 5 nm thin film (1.8, 2.2 and 5.0 times higher specific activity under different scanning cycles).
December 7, 2017: Chemical Communications: Chem Comm
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