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https://www.readbyqxmd.com/read/29352791/kohn-sham-potentials-from-electron-densities-using-a-matrix-representation-within-finite-atomic-orbital-basis-sets
#1
Xing Zhang, Emily A Carter
We revisit the static response function-based Kohn-Sham (KS) inversion procedure for determining the KS effective potential that corresponds to a given target electron density within finite atomic orbital basis sets. Instead of expanding the potential in an auxiliary basis set, we directly update the potential in its matrix representation. Through numerical examples, we show that the reconstructed density rapidly converges to the target density. Preliminary results are presented to illustrate the possibility of obtaining a local potential in real space from the optimized potential in its matrix representation...
January 21, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29352336/who-was-dr-william-c-baum
#2
REVIEW
Mitchell R Ladd, Martha A Zeiger
The first discovery of primary hyperaldosteronism secondary to an aldosterone-secreting adrenal adenoma has been credited solely to Dr. Jerome Conn, an endocrinologist at the University of Michigan and for whom, Conn syndrome was named. Dr. William Baum, a urologist at the University of Michigan, however, was instrumental in the appropriate operation and historical aldosteronoma resection. Despite Dr. Baum's important role in this discovery, he was never included as an author in any of the subsequent papers describing Conn syndrome and, few today would recognize his name...
January 19, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29351474/heart-in-lack-of-oxygen-a-revisited-method-to-improve-cardiac-performance-ex-vivo
#3
Matthieu Ruiz, Philippe Comtois
No abstract text is available yet for this article.
December 15, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351110/low-cholesterol-impulsivity-and-violence-revisited
#4
Katrin Tomson-Johanson, Jaanus Harro
PURPOSE OF REVIEW: To summarize the recent findings on the association of cholesterol levels with impulsivity and violence. RECENT FINDINGS: Several authors have recently highlighted the importance of confounding factors that mask the association between cholesterol and impulsivity or violent behaviour. In particular, demographic factors and presence of psychiatric disorders can play a role in the discrepancies present in literature. Men seem to be more sensitive to low cholesterol levels as the association between low cholesterol levels and aggression is found mostly in men...
January 17, 2018: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29350315/revisiting-embryo-assisted-hatching-approaches-a-systematic-review-of-the-current-protocols
#5
REVIEW
Alessandra Alteri, Paola Viganò, Ahmad Abu Maizar, Luca Jovine, Elisa Giacomini, Patrizia Rubino
Zona pellucida (ZP) manipulation, termed "assisted hatching" (AH), has been introduced in order to favor embryo hatching and ultimately improve assisted reproductive technology success but with poor proofs of safety and biological plausibility. We herein provide a systematic review of clinical outcomes following the application of different methods of ZP manipulation on fresh or frozen/thawed embryos at different developmental stages in different groups of patients. Out of the 69 papers that compared the clinical outcomes deriving from hatched versus non-hatched embryos, only 11 considered blastocysts while the rest referred to cleavage stage embryos...
January 19, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29349516/new-perspectives-in-the-history-of-twentieth-century-life-sciences-historical-historiographical-and-epistemological-themes
#6
Robert Meunier, Kärin Nickelsen
The history of twentieth-century life sciences is not exactly a new topic. However, in view of the increasingly rapid development of the life sciences themselves over the past decades, some of the well-established narratives are worth revisiting. Taking stock of where we stand on these issues was the aim of a conference in 2015, entitled "Perspectives for the History of Life Sciences" (Munich, Oct 30-Nov 1, 2015). The papers in this topical collection are based on work presented and discussed at and around this meeting...
January 18, 2018: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/29347584/crossover-from-ballistic-to-normal-heat-transport-in-the-%C3%AF-4-lattice-if-nonconservation-of-momentum-is-the-reason-what-is-the-mechanism
#7
Daxing Xiong, Danial Saadatmand, Sergey V Dmitriev
Anomalous (non-Fourier) heat transport is no longer just a theoretical issue since it has been observed experimentally in a number of low-dimensional nanomaterials, such as SiGe nanowires, carbon nanotubes, and others. To understand these anomalous behaviors, exploring the microscopic origin of normal (Fourier) heat transport is a fascinating theoretical topic. However, this issue has not yet been fully understood even for one-dimensional (1D) model chains, in spite of a great amount of thorough studies done to date...
October 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347405/revisiting-universality-of-the-liquid-gas-critical-point-in-two-dimensions
#8
Max Yarmolinsky, Anatoly Kuklov
Critical point of liquid-gas (LG) transition does not conform with the paradigm of spontaneous symmetry breaking because there is no broken symmetry in both phases. We revisit the conjecture that this critical point belongs to the Ising class by performing large scale Monte Carlo simulations in two-dimensional free space in combination with the numerical flowgram method. Our main result is that the critical indices do agree with the Onsager values within the error of 1%-2%. This significantly improves the accuracy reported in the literature...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347349/importance-sampling-with-imperfect-cloning-for-the-computation-of-generalized-lyapunov-exponents
#9
Celia Anteneodo, Sabrina Camargo, Raúl O Vallejos
We revisit the numerical calculation of generalized Lyapunov exponents, L(q), in deterministic dynamical systems. The standard method consists of adding noise to the dynamics in order to use importance sampling algorithms. Then L(q) is obtained by taking the limit noise-amplitude → 0 after the calculation. We focus on a particular method that involves periodic cloning and pruning of a set of trajectories. However, instead of considering a noisy dynamics, we implement an imperfect (noisy) cloning. This alternative method is compared with the standard one and, when possible, with analytical results...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347286/influence-of-topology-in-the-mobility-enhancement-of-pulse-coupled-oscillator-synchronization
#10
A Beardo, L Prignano, O Sagarra, A Díaz-Guilera
In this work we revisit the nonmonotonic behavior (NMB) of synchronization time with velocity reported for systems of mobile pulse-coupled oscillators (PCOs). We devise a control parameter that allows us to predict in which range of velocities NMB may occur, also uncovering the conditions allowing us to establish the emergence of NMB based on specific features of the connectivity rule. Specifically, our results show that if the connectivity rule is such that the interaction patterns are sparse and, more importantly, include a large fraction of nonreciprocal interactions, then the system will display NMB...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347057/revisiting-the-use-of-the-immersed-boundary-lattice-boltzmann-method-for-simulations-of-suspended-particles
#11
L Mountrakis, E Lorenz, A G Hoekstra
The immersed-boundary lattice-Boltzmann method (IB-LBM) is increasingly being used in simulations of dense suspensions. These systems are computationally very expensive and can strongly benefit from lower resolutions that still maintain the desired accuracy for the quantities of interest. IB-LBM has a number of free parameters that have to be defined, often without exact knowledge of the tradeoffs, since their behavior in low resolutions is not well understood. Such parameters are the lattice constant Δx, the number of vertices N_{v}, the interpolation kernel ϕ, and the LBM relaxation time τ...
July 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346899/formation-and-relaxation-of-quasistationary-states-in-particle-systems-with-power-law-interactions
#12
B Marcos, A Gabrielli, M Joyce
We explore the formation and relaxation of the so-called quasistationary states (QSS) for particle distributions in three dimensions interacting via an attractive radial pair potential V(r→∞)∼1/r^{γ} with γ>0, and either a soft core or hard core regularization at small r. In the first part of the paper, we generalize, for any spatial dimension d≥2, Chandrasekhar's approach for the case of gravity to obtain analytic estimates of the rate of collisional relaxation due to two-body collisions. The resultant relaxation rates indicate an essential qualitative difference depending on the integrability of the pair force at large distances: for γ>d-1, the rate diverges in the large particle number N (mean-field) limit, unless a sufficiently large soft core is present; for γ<d-1, on the other hand, the rate vanishes in the same limit even in the absence of any regularization...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346700/competence-revisited-in-a-rural-context
#13
Randall L Longenecker, Andrea Wendling, Joyce Hollander-Rodriguez, John Bowling, David Schmitz
BACKGROUND AND OBJECTIVES: General competencies developed in undergraduate and graduate medical education are sometimes promoted as applicable in any practice context. However, rural practice presents challenges and opportunities that may require unique training. The objectives of this national survey of both undergraduate and graduate medical educators and practicing physicians were to further develop a previously published list of competency domains for working in rural communities and to assess their relative importance in education and practice...
January 2018: Family Medicine
https://www.readbyqxmd.com/read/29346428/revisiting-facial-resemblance-in-couples
#14
Yetta Kwailing Wong, Wing Wah Wong, Kelvin F H Lui, Alan C-N Wong
It is widely believed that couples look alike. Consistently, previous research reported higher facial similarity for couples than non-couples, and that facial similarity predicts marital satisfaction. However, it is unclear if facial similarity in couples shown in previous studies was solely driven by extrinsic features like hairstyle, glasses, etc. Also unclear is what attributes are perceived as similar from the faces of a couple. In three experiments, we showed that faces were considered more similar in couples than non-couples even without extrinsic features...
2018: PloS One
https://www.readbyqxmd.com/read/29344760/on-the-shapley-value-of-unrooted-phylogenetic-trees
#15
Kristina Wicke, Mareike Fischer
The Shapley value, a solution concept from cooperative game theory, has recently been considered for both unrooted and rooted phylogenetic trees. Here, we focus on the Shapley value of unrooted trees and first revisit the so-called split counts of a phylogenetic tree and the Shapley transformation matrix that allows for the calculation of the Shapley value from the edge lengths of a tree. We show that non-isomorphic trees may have permutation-equivalent Shapley transformation matrices and permutation-equivalent null spaces...
January 17, 2018: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29344477/is-there-an-increased-prevalence-of-asteroid-hyalosis-in-eyes-with-uveal-melanoma-a-histopathologic-study
#16
EDITORIAL
Christopher K H Burris, Amir A Azari, Mozhgan R Kanavi, Richard R Dubielzig, Vivian Lee, Justin L Gottlieb, Heather D Potter, Kyungmann Kim, Meisha L Raven, Maria E Rodriguez, Devasis N Reddy, Daniel M Albert
During the planning meeting for the Collaborative Ocular Melanoma Study (COMS) prior to the start of patient recruitment in 1986, there was an interest expressed in determining whether a relationship existed between the presence of uveal melanoma (UM) and asteroid hyalosis (AH). To answer this question, the ophthalmic examination form (unlike the pathology form for enucleated eyes) for each COMS patient asked whether AH was present or not. Though an increased prevalence was not found, this result was never published...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29343690/experimental-infection-of-cattle-with-mycobacterium-tuberculosis-isolates-shows-the-attenuation-of-the-human-tubercle-bacillus-for-cattle
#17
Bernardo Villarreal-Ramos, Stefan Berg, Adam Whelan, Sebastien Holbert, Florence Carreras, Francisco J Salguero, Bhagwati L Khatri, Kerri Malone, Kevin Rue-Albrecht, Ronan Shaughnessy, Alicia Smyth, Gobena Ameni, Abraham Aseffa, Pierre Sarradin, Nathalie Winter, Martin Vordermeier, Stephen V Gordon
The Mycobacterium tuberculosis complex (MTBC) is the collective term given to the group of bacteria that cause tuberculosis (TB) in mammals. It has been reported that M. tuberculosis H37Rv, a standard reference MTBC strain, is attenuated in cattle compared to Mycobacterium bovis. However, as M. tuberculosis H37Rv was isolated in the early 1930s, and genetic variants are known to exist, we sought to revisit this question of attenuation of M. tuberculosis for cattle by performing a bovine experimental infection with a recent M...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343505/revisiting-criteria-for-plant-mirna-annotation-in-the-era-of-big-data
#18
Michael J Axtell, Blake C Meyers
No abstract text is available yet for this article.
January 17, 2018: Plant Cell
https://www.readbyqxmd.com/read/29342927/the-application-of-adaptive-behaviour-models-a-systematic-review
#19
REVIEW
Jessica A Price, Zoe A Morris, Shane Costello
Adaptive behaviour has been viewed broadly as an individual's ability to meet the standards of social responsibilities and independence; however, this definition has been a source of debate amongst researchers and clinicians. Based on the rich history and the importance of the construct of adaptive behaviour, the current study aimed to provide a comprehensive overview of the application of adaptive behaviour models to assessment tools, through a systematic review. A plethora of assessment measures for adaptive behaviour have been developed in order to adequately assess the construct; however, it appears that the only definition on which authors seem to agree is that adaptive behaviour is what adaptive behaviour scales measure...
January 15, 2018: Behavioral Sciences
https://www.readbyqxmd.com/read/29342312/maladaptive-repetitive-thought-as-a-transdiagnostic-phenomenon-and-treatment-target-an-integrative-review
#20
REVIEW
Deanna M Kaplan, Roman Palitsky, Angela L Carey, Tracy E Crane, Cody M Havens, Michael R Medrano, Samantha J Reznik, David A Sbarra, Mary-Frances O'Connor
OBJECTIVE: Maladaptive repetitive thought (RT), the frequent and repetitive revisiting of thoughts or internal experiences, is associated with a range of psychopathological processes and disorders. We present a synthesis of prior research on maladaptive RT and develop a framework for elucidating and distinguishing between five forms of maladaptive RT. METHOD: In addition to the previously studied maladaptive RT (worry, rumination, and obsession), this framework is used to identify two additional forms of maladaptive RT (yearning and interoceptive RT)...
January 17, 2018: Journal of Clinical Psychology
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