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https://www.readbyqxmd.com/read/29143184/measuring-the-unmeasurable-the-psychometrics-of-life-history-strategy
#1
Stefan L K Gruijters, Bram P I Fleuren
Within evolutionary biology, life-history theory is used to explain cross-species differences in allocation strategies regarding reproduction, maturation, and survival. Behavioral scientists have recently begun to conceptualize such strategies as a within-species individual characteristic that is predictive of behavior. Although life history theory provides an important framework for behavioral scientists, the psychometric approach to life-history strategy measurement-as operationalized by K-factors-involves conceptual entanglements...
November 15, 2017: Human Nature: An Interdisciplinary Biosocial Perspective
https://www.readbyqxmd.com/read/29141414/orientational-cross-correlations-between-entangled-branch-polymers-in-primitive-chain-network-simulations
#2
Yuichi Masubuchi, Ankita Pandey, Yoshifumi Amamoto, Takashi Uneyama
Although it has not been frequently discussed, contributions of the orientational cross-correlation (OCC) between entangled polymers are not negligible in the relaxation modulus. In the present study, OCC contributions were investigated for 4- and 6-arm star-branched and H-branched polymers by means of multi-chain slip-link simulations. Owing to the molecular-level description of the simulation, the segment orientation was traced separately for each molecule as well as each subchain composing the molecules...
November 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29140678/robust-superhydrophobic-carbon-nanotubes-film-with-lotus-leaf-mimetic-multi-scale-hierarchical-structures
#3
Pengwei Wang, Tianyi Zhao, Ruixin Bian, Guangyan Wang, Huan Liu
Superhydrophobic carbon nanotubes (CNTs) films have demonstrated many fascinating performances in versatile applications, especially for those involving solid/liquid interfacial processes, because of its ability in affecting the way of the material/energy transfer at interfaces. Thus, developing superhydrophobic CNTs has attracted extensively research interests in the past decades, and it could be achieved either by surface coating of inorganic/organic low-free energy materials or by constructing micro-/nano- hierarchical structures via various complicated processes...
November 15, 2017: ACS Nano
https://www.readbyqxmd.com/read/29140645/likelihood-of-entanglement-when-materials-are-dropped-vertically-onto-a-rotating-pto-knuckle
#4
Charles V Schwab, Isaac J Rempe
Power take-off (PTO) is a common method of transferring power from a tractor to a towed piece of machinery. The PTO is also a well-documented cause of severe and often permanent disabling injuries to farm operators. The physical conditions that cause entanglements are not well established. Several studies have explored the parameters of PTO entanglements as materials have been drawn across a rotating PTO knuckle to test for entanglement probability. The objective of this study was to determine probability of entanglement when materials are dropped vertically onto a PTO knuckle spinning at 540 rpm...
November 20, 2017: Journal of Agricultural Safety and Health
https://www.readbyqxmd.com/read/29140637/hazard-identification-and-risk-assessment-for-improving-farm-safety-on-canadian-farms
#5
Hassan S Chattha, Kenneth W Corscadden, Qamar U Zaman
Agriculture is one of the most hazardous industries worldwide. The number of serious accidents on farms, despite sophisticated technology, development of effective prevention methods, and high-quality training and improved skill levels of farmers, is still very high. The purpose of this study was to develop and apply a generic farm safety protocol to hazards that have been identified in previously published literature and demonstrate the potential benefits of such a protocol with a view to raising awareness of farm safety...
July 31, 2017: Journal of Agricultural Safety and Health
https://www.readbyqxmd.com/read/29140344/experimental-realization-of-narrowband-four-photon-greenberger-horne-zeilinger-state-in-a-single-cold-atomic-ensemble
#6
Ming-Xin Dong, Wei Zhang, Zhi-Bo Hou, Yi-Chen Yu, Shuai Shi, Dong-Sheng Ding, Bao-Sen Shi
Multi-photon entangled states not only play a crucial role in research on quantum physics but also have many applications in quantum information fields such as quantum computation, quantum communication, and quantum metrology. To fully exploit the multi-photon entangled states, it is important to establish the interaction between entangled photons and matter, which requires that photons have narrow bandwidth. Here, we report on the experimental generation of a narrowband four-photon Greenberger-Horne-Zeilinger state with a fidelity of 64...
November 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/29135243/foams-stabilized-by-%C3%AE-lactoglobulin-amyloid-fibrils-effect-of-ph
#7
Dengfeng Peng, Jinchu Yang, Jing Li, Cuie Tang, Bin Li
β-Lactoglobulin fibrils could be served as the surface-active component and form adsorption layers at the air/water interface. In this study, the physical parameters related to the surface adsorption, foaming, and surface properties of β-lactoglobulin fibrils as a function of pH (2-8) were investigated. Results showed that an increase of pH from 2 to 5 led to a rise of the viscoelastic modulus of surface adsorption layer and half-life time (t1/2) of foams, but it decreased foamability. When the pH was closed to its isoelectric point (5...
November 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29133515/-rather-one-more-chemo-than-one-less%C3%A2-oncologists-and-oncology-nurses-reasons-for-aggressive-treatment-of-young-adults-with-advanced-cancer
#8
Katsiaryna Laryionava, Pia Heußner, Wolfgang Hiddemann, Eva C Winkler
BACKGROUND: Empirical research demonstrates that there is a tendency to administer tumor-directed therapy to patients with advanced cancer close to death, especially if they are young. The aim of this qualitative study was to understand oncologists' treatment decisions and oncology nurses' perception of these decisions in young adult patients and to investigate the extent to which young age was a factor in cancer treatment decisions. MATERIALS AND METHODS: We conducted 29 face-to-face interviews with oncologists and oncology nurses at the Department of Hematology and Oncology at the University Hospital in Munich, Germany...
November 13, 2017: Oncologist
https://www.readbyqxmd.com/read/29133086/role-of-entanglement-concentration-in-dynamic-viscoelasticity-and-film-forming-property-of-cereal-starches
#9
Li Guo
Entanglement concentration (ce, w/v) means the onset of overlap and interpenetration of random-coil chains in a macromolecule solution. The effects of ce on the dynamic viscoelasticity and film-forming property of cereal starches were investigated. The results showed that ce affected significantly the ratio of crystalline to amorphous regions of normal rice starch, waxy rice starch, normal maize starch and wheat starch because the absorbance ratio (1047cm(-1)/1022cm(-1)) increased more obviously at concentrations increasing from 0...
November 10, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29131948/stable-wettability-control-of-nanoporous-microstructures-by-icvd-coating-of-carbon-nanotubes
#10
Hossein Sojoudi, Sanha Kim, Hangbo Zhao, Rama Kishore Annavarapu, Dhanushkodi Mariappan, A John Hart, Gareth H McKinley, Karen K Gleason
Scalable manufacturing of structured materials with engineered nanoporosity is critical for applications in energy storage devices (i.e. batteries and supercapacitors) and wettability control of surfaces (i.e. superhydrophobic and superomniphobic surfaces). Patterns formed in arrays of vertically aligned carbon nanotubes (VA-CNTs) have been extensively studied for these applications. However, the as-deposited features are often undesirably altered upon liquid infiltration and evaporation due to capillarity-driven aggregation of the low density CNTs...
November 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29130897/synthesis-of-carbon-nanotube-cnt-entangled-cuo-nanotube-networks-via-cnt-catalytic-growth-and-in-situ-thermal-oxidation-as-additive-free-anodes-for-lithium-ion-batteries
#11
Xia Cui, Bo Song, Shisu Cheng, Yun Xie, Yijiang Shao, Yueming Sun
We demonstrated the utility of carbon nanotubes (CNTs) as a catalyst and conductive agent to synthesize CNT-entangled copper nanowire (CuNW-CNT) networks within a melted mixture of hexadecylamine and cetyltrimethy ammounium bromide. The CuNW-CNT networks were further in situ thermally oxidized into CuO nanotube-CNT (CuONT-CNT) with the high retention of network structure. The binder- and conducting-additive-free anodes constructed using the CuONT-CNT networks exhibited high performance, such as high capability (557...
November 13, 2017: Nanotechnology
https://www.readbyqxmd.com/read/29130203/live-imaging-of-nuclear-rnps-in-mammalian-complex-tissue-with-echo-livefish
#12
Dan Ohtan Wang
Multiplex RNA detection with fluorescence microscopy offers high spatial and temporal resolution required for addressing complex behaviors of RNA in living cells. Using chemically engineered linear oligonucleotide probes that emit fluorescence upon hybridization to target RNA, we have devised an imaging method suitable for studies of the dynamic regulation of nuclear RNPs, an important and yet poorly understood cellular pathway of gene expression. This new method labels specific sequences of RNA components in RNPs and thus avoids overexpression of fluorescent marker proteins that may result in entangled experimental results...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29129074/from-type-ii-triply-degenerate-nodal-points-and-three-band-nodal-rings-to-type-ii-dirac-points-in-centrosymmetric-zirconium-oxide
#13
Ting-Ting Zhang, Zhi-Ming Yu, Wei Guo, Dongxia Shi, Guangyu Zhang, Yugui Yao
Using first-principles calculations, we report that ZrO is a topological material with the coexistence of three pairs of type-II triply degenerate nodal points (TNPs) and three nodal rings (NRs), when spin-orbit coupling (SOC) is ignored. Noticeably, the TNPs reside around Fermi energy with large linear energy range along tilt direction (> 1 eV) and the NRs are formed by three strongly entangled bands. Under symmetry-preserving strain, each NR would evolve into four droplet-shaped NRs before fading away, producing distinct evolution compared with that in usual two-band NR...
November 12, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/29127376/genuine-multipartite-entanglement-in-the-3-photon-decay-of-positronium
#14
Beatrix C Hiesmayr, Pawel Moskal
The electron-positron annihilation into two photons is a standard technology in medicine to observe e.g. metabolic processes in human bodies. A new tomograph will provide the possibility to observe not only direct e (+) e (-) annihilations but also the 3 photons from the decay of ortho-positronium atoms formed in the body. We show in this contribution that the three-photon state with respect to polarisation degrees of freedom depends on the angles between the photons and exhibits various specific entanglement features...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29127363/scalable-symmetry-detector-and-its-applications-by-using-beam-splitters-and-weak-nonlinearities
#15
Ying-Qiu He, Dong Ding, Feng-Li Yan, Ting Gao
We describe a method to detect twin-beam multiphoton entanglement based on a beam splitter and weak nonlinearities. For the twin-beam four-photon entanglement, we explore a symmetry detector. It works not only for collecting two-pair entangled states directly from the spontaneous parametric down-conversion process, but also for generating them by cascading these symmetry detectors. Surprisingly, by calculating the iterative coefficient and the success probability we show that with a few iterations the desired two-pair can be obtained from a class of four-photon entangled states...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29127309/efficient-multiparty-quantum-key-agreement-with-collective-detection
#16
Wei Huang, Qi Su, Bin Liu, Yuan-Hang He, Fan Fan, Bing-Jie Xu
As a burgeoning branch of quantum cryptography, quantum key agreement is a kind of key establishing processes where the security and fairness of the established common key should be guaranteed simultaneously. However, the difficulty on designing a qualified quantum key agreement protocol increases significantly with the increase of the number of the involved participants. Thus far, only few of the existing multiparty quantum key agreement (MQKA) protocols can really achieve security and fairness. Nevertheless, these qualified MQKA protocols are either too inefficient or too impractical...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29120109/from-sinks-to-webs-critical-social-science-after-the-fact-value-distinction
#17
Philip S Gorski
The fact-value distinction is leaky.  The problem is not just that values can color facts.  The reverse is also true: facts are also entangled with values.  Nor is that the end of the matter. The concepts of fact and value are not epistemologically or ethically neutral either. It is time to abandon the quest for axiological neutrality in favor of systematic attention to the complex relationship between the descriptive and the normative. Instead of attempting to be neutral, social scientists should strive to combine engagement with open-mindedness...
November 2017: Canadian Review of Sociology, Revue Canadienne de Sociologie
https://www.readbyqxmd.com/read/29119945/mechanical-force-induces-mitochondrial-fission
#18
Sebastian Carsten Johannes Helle, Qian Feng, Mathias J Aebersold, Luca Hirt, Raphael R Grüter, Afshin Vahid, Andrea Sirianni, Serge Mostowy, Jess G Snedeker, Anđela Šarić, Timon Idema, Tomaso Zambelli, Benoît Kornmann
Eukaryotic cells are densely packed with macromolecular complexes and intertwining organelles, continually transported and reshaped. Intriguingly, organelles avoid clashing and entangling with each other in such limited space. Mitochondria form extensive networks constantly remodeled by fission and fusion. Here, we show that mitochondrial fission is triggered by mechanical forces. Mechano-stimulation of mitochondria - via encounter with motile intracellular pathogens, via external pressure applied by an atomic force microscope, or via cell migration across uneven microsurfaces - results in the recruitment of the mitochondrial fission machinery, and subsequent division...
November 9, 2017: ELife
https://www.readbyqxmd.com/read/29116978/-you-re-not-trying-to-save-somebody-from-death-learning-as-becoming-in-palliative-care
#19
Frances Kilbertus, Rola Ajjawi, Douglas B Archibald
PURPOSE: Learning can be conceptualized as a process of "becoming," considering individuals, workplace participation, and professional identity formation. How postgraduate trainees learn palliative care, encompassing technical competence, compassion, and empathy, is not well understood or explained by common conceptualizations of learning as "acquisition" and "participation." Learning palliative care, a practice that has been described as a cultural shift in medicine challenging the traditional role of curing and healing, provided the context to explore learning as "becoming...
November 7, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29116805/experimental-verification-of-entanglement-generated-in-a-plasmonic-system
#20
Frederik Dieleman, Mark Tame, Yannick Sonnefraud, M S Kim, Stefan A Maier
A core process in many quantum tasks is the generation of entanglement. It is being actively studied in a variety of physical settings -- from simple bipartite systems to complex multipartite systems. In this work we experimentally study the generation of bipartite entanglement in a nanophotonic system. Entanglement is generated via the quantum interference of two surface plasmon polaritons in a beamsplitter structure, {\it i.e.}~utilising the Hong-Ou-Mandel (HOM) effect, and its presence is verified using quantum state tomography...
November 8, 2017: Nano Letters
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