cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Robust anatomical landmark detection with application to MR brain image registration
Creators: name: Gao, Yaozong
name: Wu, Guorong
name: Yap, Pew Thian
name: Shen, Dinggang
name: Han, Dong
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Comparison of human brain MR images is often challenged by large inter-subject structural variability. To determine correspondences between MR brain images, most existing methods typically perform a local neighborhood search, based on certain morphological features. They are limited in two aspects: (1) pre-defined morphological features often have limited power in characterizing brain structures, thus leading to inaccurate correspondence detection, and (2) correspondence matching is often restricted within local small neighborhoods and fails to cater to images with large anatomical difference. To address these limitations, we propose a novel method to detect distinctive landmarks for effective correspondence matching. Specifically, we first annotate a group of landmarks in a large set of training MR brain images. Then, we use regression forest to simultaneously learn (1) the optimal sets of features to best characterize each landmark and (2) the non-linear mappings from the local patch appearances of image points to their 3D displacements towards each landmark. The learned regression forests are used as landmark detectors to predict the locations of these landmarks in new images. Because each detector is learned based on features that best distinguish the landmark from other points and also landmark detection is performed in the entire image domain, our method can address the limitations in conventional methods. The deformation field estimated based on the alignment of these detected landmarks can then be used as initialization for image registration. Experimental results show that our method is capable of providing good initialization even for the images with large deformation difference, thus improving registration accuracy.
qRT-PCR Methods, Primers, and Control Genes from Maternal and nourishment factors interact to influence offspring developmental trajectories in social wasps
Creators: name: Jandt, Jennifer M.
name: Sainath Suryanarayanan
name: Hermanson, John C.
name: Jeanne, Robert L.
name: Toth, Amy L.
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Developmental Biology
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: The social and nutritional environments during early development have the potential to affect offspring traits, but the mechanisms and molecular underpinnings of these effects remain elusive. We used Polistes fuscatus paper wasps to dissect how maternally controlled factors (vibrational signals and nourishment) interact to induce different caste developmental trajectories in female offspring, leading to worker or reproductive (gyne) traits. We established a set of caste phenotype biomarkers in P. fuscatus females, finding that gyne-destined individuals had high expression of three caste-related genes hypothesized to have roles in diapause and mitochondrial metabolism. We then experimentally manipulated maternal vibrational signals (via artificial ‘antennal drumming’) and nourishment levels (via restricted foraging). We found that these caste-related biomarker genes were responsive to drumming, nourishment level or their interaction. Our results provide a striking example of the potent influence of maternal and nutritional effects in influencing transcriptional activity and developmental outcomes in offspring.
CBT4BN versus CBTF2F: Comparison of online versus face-to-face treatment for bulimia nervosa
Creators: name: Hofmeier, Sara
name: Marcus, Marsha D.
name: Kordy, Hans
name: Zerwas, Stephanie
name: Moessner, Markus
name: Hamer, Robert M.
name: Bulik, Cynthia M.
name: Zimmer, Benjamin
name: Trace, Sara E.
name: Levine, Michele D.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2012

description: Cognitive-behavioral therapy (CBT) is currently the “gold standard” for treatment of bulimia nervosa (BN), and is effective for approximately 40–60% of individuals receiving treatment; however, the majority of individuals in need of care do not have access to CBT. New strategies for service delivery of CBT and for maximizing maintenance of treatment benefits are critical for improving our ability to treat BN. This clinical trial is comparing an Internet-based version of CBT (CBT4BN) in which group intervention is conducted via therapeutic chat group with traditional group CBT (CBTF2F) for BN conducted via face-to-face therapy group. The purpose of the trial is to determine whether manualized CBT delivered via the Internet is not inferior to the gold standard of manualized group CBT. In this two-site randomized controlled trial, powered for non-inferiority analyses, 180 individuals with BN are being randomized to either CBT4BN or CBTF2F. We hypothesize that CBT4BN will not be inferior to CBTF2F and that participants will value the convenience of an online intervention. If not inferior, CBT4BN may be a cost-effective approach to service delivery for individuals requiring treatment for BN.
title: Fostering literacy with come_IN computer clubs
title: Die Förderung von Literacy durch come_IN Computerclubs
titleType: AlternativeTitle
Creators: name: Weibert, Anne
Publisher: name: Universitätsbibliothek Siegen
Year: 2019
Subjects: subject: 370 Erziehung, Schul- und Bildungswesen
subject: Förderung der Lesefähigkeit
subject: Fostering literacy
subject: Intercultural learning
subject: Computer supported learning
subject: Interkulturelles Lernen
subject: Computergestützes Lernen
subject: Alphabetisierung

description: Indem sie als offene Treffpunkte dezidiert niederschwellig und offen strukturierten Zugang zu Computertechnologie und modernen Medien ermöglichen, geben die interkulturellen come_IN Computerclubs eine kombinierte Antwort auf zwei Entwicklungen: die zunehmende soziale und kulturelle Ausdifferenzierung von Gesellschaft, und eine anhaltende, wenn nicht zunehmende digitale Spaltung. Die Gelegenheit zum gemeinsamen Spielen, Lernen und Arbeiten mit Computern und modernen Medien ist geeignet Brücken zu bauen zwischen Menschen verschiedenen Alters, und unterschiedlicher kultureller und sozialer Herkunft. Auf diesem Grundsatz fußt das Konzept der interkulturellen come_IN Computerclubs. Indem sie come_IN in Diskursen zu kultureller, computer- und medienunterstützter Ausdruckskompetenz situiert, zeigt diese Arbeit, wie alle Aktivität in come_IN Lernen an vier miteinander verschränkten Enden balanciert: das Selbst und die Gemeinschaft, das Analoge und das Digitale.
description: Embedding technology access and skill acquirement in a decidedly open local social structure, the intercultural come_IN computer clubs have been developed as a response to both, an increasing social and cultural diversity, and a prevailing, if not increasing digital divide. The opportunity for collaborative play, learning and work with computers and modern media is apt to build bridges among people of different ages, cultural and social backgrounds is the basic idea that lays the grounds for the concept of the intercultural come_IN computer clubs. By situating come_IN in discourses on cultural as well as computational and media literacy, this work carves out how all activity in come_IN balances learning at four interrelated ends: the Self and the Other, the Non-Computational and the Computational.
Lipid Quantification Methods and Technical Replicates from Maternal and nourishment factors interact to influence offspring developmental trajectories in social wasps.
Creators: name: Jandt, Jennifer M.
name: Sainath Suryanarayanan
name: Hermanson, John C.
name: Jeanne, Robert L.
name: Toth, Amy L.
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Developmental Biology
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: The social and nutritional environments during early development have the potential to affect offspring traits, but the mechanisms and molecular underpinnings of these effects remain elusive. We used Polistes fuscatus paper wasps to dissect how maternally controlled factors (vibrational signals and nourishment) interact to induce different caste developmental trajectories in female offspring, leading to worker or reproductive (gyne) traits. We established a set of caste phenotype biomarkers in P. fuscatus females, finding that gyne-destined individuals had high expression of three caste-related genes hypothesized to have roles in diapause and mitochondrial metabolism. We then experimentally manipulated maternal vibrational signals (via artificial ‘antennal drumming’) and nourishment levels (via restricted foraging). We found that these caste-related biomarker genes were responsive to drumming, nourishment level or their interaction. Our results provide a striking example of the potent influence of maternal and nutritional effects in influencing transcriptional activity and developmental outcomes in offspring.
Controlling conditional expectations by zero-determinant strategies
Creators: name: Ueda, Masahiko
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optimization and Control (math.OC)
subject: Computer Science and Game Theory (cs.GT)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: Zero-determinant strategies are memory-one strategies in repeated games which unilaterally enforce linear relations between expected payoffs of players. Recently, the concept of zero-determinant strategies was extended to the class of memory-$n$ strategies with $n\geq 1$, which enables more complicated control of payoffs by one player. However, what we can do by memory-$n$ zero-determinant strategies is still not clear. Here, we show that memory-$n$ zero-determinant strategies in repeated games can be used to control conditional expectations of payoffs. Equivalently, they can be used to control expected payoffs in biased ensembles, where a history of action profiles with large value of bias function is more weighted. Controlling conditional expectations of payoffs is useful for strengthening zero-determinant strategies, because players can choose conditions in such a way that only unfavorable action profiles to one player are contained in the conditions. We provide several examples of memory-$n$ zero-determinant strategies in the repeated prisoner's dilemma game. We also explain that a deformed version of zero-determinant strategies is easily extended to the memory-$n$ case.
description: 22 pages
On Compatible Matchings
Creators: name: Aichholzer, Oswin
name: Arroyo, Alan
name: Masárová, Zuzana
name: Parada, Irene
name: Perz, Daniel
name: Pilz, Alexander
name: Tkadlec, Josef
name: Vogtenhuber, Birgit
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computational Geometry (cs.CG)
subject: FOS: Computer and information sciences

description: A matching is compatible to two or more labeled point sets of size $n$ with labels $\{1,\dots,n\}$ if its straight-line drawing on each of these point sets is crossing-free. We study the maximum number of edges in a matching compatible to two or more labeled point sets in general position in the plane. We show that for any two labeled convex sets of $n$ points there exists a compatible matching with $\lfloor \sqrt {2n}\rfloor$ edges. More generally, for any $\ell$ labeled point sets we construct compatible matchings of size $Ω(n^{1/\ell})$. As a corresponding upper bound, we use probabilistic arguments to show that for any $\ell$ given sets of $n$ points there exists a labeling of each set such that the largest compatible matching has ${\mathcal{O}}(n^{2/({\ell}+1)})$ edges. Finally, we show that $Θ(\log n)$ copies of any set of $n$ points are necessary and sufficient for the existence of a labeling such that any compatible matching consists only of a single edge.
Combined approaches for HIV cure
Creators: name: Hazuda, Daria J.
name: Margolis, David M.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2013

description: A serious effort has begun to develop therapies that may be capable of eradicating established HIV infection in man. Because of the biological complexity of HIV infection that persists despite potent antiretroviral therapy, it is widely believed that if such therapies can be developed they will involve complex, multimodality approaches. We highlight some of the recent studies in this effort.
[PDF] Tremblez mais osez ! by Susan Jeffers
Creators: name: Austin
Publisher: name: Zenodo
Year: 2024

description: Tremblez mais osez ! pan Susan Jeffers

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Caractéristiques

Tremblez mais osez !

Susan Jeffers

Nb. de pages: 224

Format: Pdf, ePub, MOBI, FB2

ISBN: 9782501139304

Editeur: Marabout

Date de parution: 2019

 

 

 

Ebooks txt téléchargement gratuit Tremblez mais osez ! par Susan Jeffers (French Edition) 9782501139304

 

Overview

Vous craignez de prendre une décision, changer de travail, vous lancer dans un projet, demander une augmentation, mettre fin à une relation ? Vous ne vous sentez pas parfaitement épanoui... Le futur vous effraye... Ce livre vous aidera à identifier vos peurs et à les surmonter pour agir et ne plus subir. Les techniques mises au point par l'auteure vous permettront de faire le bon choix, découvrir tes pouvoirs de la pensée positive, la force intérieure, présente en vous, capable de métamorphoser votre existence. Une méthode simple et claire, des exercices faciles à suivre pour retrouver confiance en soi.
title: Strategien zur Fehlerprävention und zum Fehlermanagement bei Datenanalysen im Bereich des E-Commerce
title: Strategies for error prevention and error management within data analytics in the context of E-Commerce
titleType: AlternativeTitle
Creators: name: Wacker, Svenja
Publisher: name: Universitätsbibliothek Siegen
Year: 2019
Subjects: subject: 000 Allgemeines, Wissenschaft
subject: Big Data
subject: E-Commerce
subject: Fehlermanagement
subject: Fehlerprävention
subject: Elektronischer Wertschöpfungsprozess

description: Laut der Boston Consulting Group stehen Big Data Analysen an dritter Stelle der Bereiche, die in den nächsten drei bis fünf Jahren den meisten Einfluss auf die Industrie haben werden und die daher aktiv bearbeitet werden sollten (Ringel et al. 2018, S. 4). Die Frage ist, wie solche Analysen gewinnbringend integriert werden können, um dadurch eine zukunftsfähige Positionierung im Wettbewerb generieren zu können. Dabei können Unternehmen auf einige Herausforderungen und Fehlerquellen stoßen, die in dieser Arbeit vor dem Hintergrund des elektronischen Wertschöpfungsprozesses nach Kollmann (2019) näher betrachtet werden sollen. Ziel dieser Arbeit ist die Abbildung von Fehlerquellen bei Big Data Analysen im Bereich des E-Commerce und das Aufzeigen eines möglichen Umgangs mit geschehenen Fehlern und der Prävention von Fehlern im Wertschöpfungsprozess.
description: According to the Boston Consulting Group, big data analytics are the third most important area that will have the greatest impact on industry over the next three to five years and should therefore be actively pursued (Ringel et al. 2018, p. 4). The question is how such analyses can be profitably integrated in order to generate a sustainable competitive positioning. In doing so, companies may encounter some challenges and sources of error, which will be examined in more detail in this paper against the background of the electronic value creation process according to Kollmann (2019). The aim of this thesis is to map sources of error in big data analytics in the field of e-commerce and to show how to deal with errors that have occurred and how to prevent errors in the value creation process.
Some characterization results on classical and free Poisson thinning
Creators: name: Mukherjee, Soumendu Sundar
Publisher: name: arXiv
Year: 2021
Subjects: subject: Probability (math.PR)
subject: Operator Algebras (math.OA)
subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 46L54, 60E05, 62E10

description: Poisson thinning is an elementary result in probability, which is of great importance in the theory of Poisson point processes. In this article, we record a couple of characterization results on Poisson thinning. We also consider several free probability analogues of Poisson thinning, which we collectively dub as \emph{free Poisson thinning}, and prove characterization results for them, similar to the classical case. One of these free Poisson thinning procedures arises naturally as a high-dimensional asymptotic analogue of Cochran's theorem from multivariate statistics on the "Wishart-ness" of quadratic functions of Gaussian random matrices. We note the implications of our characterization results in the context of Cochran's theorem. We also prove a free probability analogue of Craig's theorem, another well-known result in multivariate statistics on the independence of quadratic functions of Gaussian random matrices.
description: 19 pages, 1 figure, to appear in RMTA
BEER analysis of Kepler and CoRoT light curves. III. Spectroscopic confirmation of seventy new beaming binaries discovered in CoRoT light curves
Creators: name: Tal-Or, Lev
name: Faigler, Simchon
name: Mazeh, Tsevi
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: (abridged for arXiv) The BEER algorithm searches stellar light curves for the BEaming, Ellipsoidal, and Reflection photometric modulations that are caused by a short-period companion. Applying the search to the first five long-run center CoRoT fields, we identified $481$ non-eclipsing candidates with periodic flux amplitudes of $0.5-87$ mmag. Optimizing the Anglo-Australian-Telescope pointing coordinates and the AAOmega fiber-allocations with dedicated softwares, we acquired six spectra for $231$ candidates and seven spectra for another $50$ candidates in a seven-night campaign. Analysis of the red-arm AAOmega spectra, which covered the range of $8342-8842Å$, yielded a radial-velocity precision of $\sim1$ km/s. Spectra containing lines of more than one star were analyzed with the two-dimensional correlation algorithm TODCOR. The measured radial velocities confirmed the binarity of seventy of the BEER candidates$-45$ single-line binaries, $18$ double-line binaries, and $7$ diluted binaries. We show that red giants introduce a major source of false candidates and demonstrate a way to improve BEER's performance in extracting higher fidelity samples from future searches of CoRoT light curves. The periods of the confirmed binaries span a range of $0.3-10$ days and show a rise in the number of binaries per $Δ$log$P$ toward longer periods. The estimated mass ratios of the double-line binaries and the mass ratios assigned to the single-line binaries, assuming an isotropic inclination distribution, span a range of $0.03-1$. On the low-mass end, we have detected two brown-dwarf candidates on a $\sim1$ day period orbit. This is the first time non-eclipsing beaming binaries are detected in CoRoT data, and we estimate that $\sim300$ such binaries can be detected in the CoRoT long-run light curves.
description: 28 pages, 15 figures, and 11 tables. Accepted for publication in A&A
(3309) Madeline Alice Mirfin
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Simulation of emission spectra of transition-metal dichalcogenide monolayers with the multimode Brownian oscillator model
Creators: name: Shen, Kaijun
name: Sun, Kewei
name: Zhao, Yang
Publisher: name: arXiv
Year: 2023
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The multimode Brownian oscillator model is employed to simulate the emission spectra of transition metal dichalcogenide monolayers. Good agreement is obtained between measured and simulated photoluminescence spectra of WSe2, WS2, MoSe2 and MoS2 at various temperatures. The Huang-Rhys factor extracted from the model can be associated with that from the modified semi-empirical Varshni equation at high temperatures. Individual mechanisms leading to the unique temperature-dependent emission spectra of those TMDs are validated by the MBO fitting, while it is in turn confirmed that the MBO analysis is an effective method for studying the optical properties of TMD monolayers. Parameters extractd from the MBO fitting can be used to explore exciton-photon-phonon dynamics of TMDs in a more comprehensive model.
Lipid Quantification Methods and Technical Replicates from Maternal and nourishment factors interact to influence offspring developmental trajectories in social wasps
Creators: name: Jandt, Jennifer M.
name: Sainath Suryanarayanan
name: Hermanson, John C.
name: Jeanne, Robert L.
name: Toth, Amy L.
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Developmental Biology
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: The social and nutritional environments during early development have the potential to affect offspring traits, but the mechanisms and molecular underpinnings of these effects remain elusive. We used Polistes fuscatus paper wasps to dissect how maternally controlled factors (vibrational signals and nourishment) interact to induce different caste developmental trajectories in female offspring, leading to worker or reproductive (gyne) traits. We established a set of caste phenotype biomarkers in P. fuscatus females, finding that gyne-destined individuals had high expression of three caste-related genes hypothesized to have roles in diapause and mitochondrial metabolism. We then experimentally manipulated maternal vibrational signals (via artificial ‘antennal drumming’) and nourishment levels (via restricted foraging). We found that these caste-related biomarker genes were responsive to drumming, nourishment level or their interaction. Our results provide a striking example of the potent influence of maternal and nutritional effects in influencing transcriptional activity and developmental outcomes in offspring.
{pdf download} Devenir hyperconscient
Creators: name: Loper
Publisher: name: Zenodo
Year: 2024

description: Devenir hyperconscient pan Jean-Jacques Charbonier

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Devenir hyperconscient

Jean-Jacques Charbonier

Nb. de pages: 216

Format: Pdf, ePub, MOBI, FB2

ISBN: 9782813221834

Editeur: Guy Trédaniel

Date de parution: 2019

 

 

 

eBook télécharger reddit: Devenir hyperconscient

 

Overview

Pour beaucoup, Jean-Jacques Charbonier est une sorte d'O. S. N. I. (Objet Scientifique Non Identifié), car il évolue depuis des années dans des disciplines qui n'ont pas l'habitude de se côtoyer, et ne se revendique d'aucun groupe de pensée dogmatique. Médecin anesthésiste-réanimateur toujours en exercice, il a collecté durant plus de trois décennies des centaines de témoignages de personnes ayant vécu des histoires époustouflantes lors d'arrêts cardiaques ou de comas. Curieux de tout ce qui touche au domaine de la conscience et sans a priori, il a accueilli avec un grand respect l'enseignement de chamans et de médiums, tout en s'intéressant également à d'autres approches scientifiques telles que la physique quantique. Enfin, il a recueilli avec beaucoup de rigueur et d'attention les expériences qu'ont vécues plus de 10 000 personnes qu'il a lui-même placées sous hypnose. L'ensemble de ses recherches lui a permis de mettre au point une technique simple et accessible à tous qui nous transforme en individu hyperconscient. Cet ouvrage expose en détail son cheminement, cet état d'hyperconscience et les manières de l'atteindre. Il démontre que nous avons tous en nous des capacités extraordinaires telles que la médiumnité, la vision à distance, la voyance, la régression dans des vies antérieures, l'intuition, la télépathie, la guérison, l'inspiration, la connexion aux informations divines et bien d'autres encore, tout aussi surprenantes.
Towers of Looijenga pairs and asymptotics of ECH capacities
Creators: name: Wormleighton, Ben
Publisher: name: arXiv
Year: 2021
Subjects: subject: Symplectic Geometry (math.SG)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 53D35 (Primary) 14J26, 14M25 (Secondary)

description: ECH capacities are rich obstructions to symplectic embeddings in 4-dimensions that have also been seen to arise in the context of algebraic positivity for (possibly singular) projective surfaces. We extend this connection to relate general convex toric domains on the symplectic side with towers of polarised toric surfaces on the algebraic side, and then use this perspective to show that the sub-leading asymptotics of ECH capacities for all convex and concave toric domains are $O(1)$. We obtain sufficient criteria for when the sub-leading asymptotics converge in this context, generalising results of Hutchings and of the author, and derive new obstructions to embeddings between toric domains of the same volume. We also propose two invariants to more precisely describe when convergence occurs in the toric case. Our methods are largely non-toric in nature, and apply more widely to towers of polarised Looijenga pairs.
description: 21 pages, 4 figures; comments very welcome!
Local Dimensions of Self-similar Measures Satisfying the Finite Neighbour Condition
Creators: name: Hare, Kathryn E.
name: Rutar, Alex
Publisher: name: arXiv
Year: 2021
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 28A80

description: We study sets of local dimensions for self-similar measures in $\mathbb{R}$ satisfying the finite neighbour condition, which is formally stronger than the weak separation condition but satisfied in all known examples. Under a mild technical assumption, we establish that the set of attainable local dimensions is a finite union of (possibly singleton) compact intervals. The number of intervals is bounded above by the number of non-trivial maximal strongly connected components of a finite directed graph construction depending only on the governing iterated function system. We also explain how our results allow computations of the sets of local dimensions in many explicit cases. This contextualizes and generalizes a vast amount of prior work on sets of local dimensions for self-similar measures satisfying the weak separation condition.
description: 32 pages, 4 figures. Published version with various minor fixes
Characterizing excited conformational states of RNA by NMR spectroscopy
Creators: name: Zhang, Qi
name: Zhao, Bo
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Conformational dynamics is a hallmark of diverse non-coding RNA functions. During these functional processes, RNA molecules almost ubiquitously undergo conformational transitions that are tuned to meet distinct structural and kinetic requirements for proper function. A complete mechanistic understanding of RNA function requires comprehensive structural and dynamic knowledge of these complex transitions, which often involve alternative higher-energy conformational states that pose a major challenge for high-resolution structural study by conventional methods. In this review, we describe recent progress in RNA NMR that has started to unveil detailed structural, thermodynamic and kinetic insights into some of these excited conformational states of RNA and their functional roles in biology.
Role of interface morphology on the martensitic transformation in pure Fe
Creators: name: Tripathi, Pawan Kumar
name: Karewar, Shivraj
name: Lo, Yu-Chieh
name: Bhowmick, Somnath
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Using classical molecular dynamics simulations, we study austenite to ferrite phase transformation in iron, focusing on the role of interface morphology. We compare two different morphologies; a \textit{flat} interface in which the two phases are joined according to Nishiyama-Wasserman orientation relationship vs. a \textit{ledged} one, having steps similar to the vicinal surface. We identify the atomic displacements along a misfit dislocation network at the interface leading to the phase transformation. In case of \textit{ledged} interface, stacking faults are nucleated at the steps, which hinder the interface motion, leading to a lower mobility of the inter-phase boundary, than that of flat interface. Interestingly, we also find the temperature dependence of the interface mobility to show opposite trends in case of \textit{flat} vs. \textit{ledged} boundary. We believe that our study is going to present a unified and comprehensive view of martensitic transformation in iron with different interface morphology, which is lacking at present, as \textit{flat} and \textit{ledged} interfaces are treated separately in the existing literature.
description: 10 pages, 9 figures
Low temperature 1/f noise in microwave dielectric constant of amorphous dielectrics in Josephson qubits
Creators: name: Burin, Alexander L.
name: Schechter, Moshe
name: Matityahu, Shlomi
Publisher: name: arXiv
Year: 2015
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The accurate analytical solution for the low temperature $1/f$ noise in a microwave dielectric constant of amorphous films containing tunneling two-level systems (TLSs) is derived within the standard tunneling model including the weak dipolar or elastic TLS-TLS interactions. The results are consistent with the recent experimental investigations of $1/f$ noise in Josephson junction qubits including the power law increase of the noise amplitude with decreasing temperature at low temperatures $T<0.1$K. The long time correlations needed for $1/f$ noise are provided by the logarithmic broadening of TLS absorption resonances with time due to their interaction with neighboring TLSs. The noise behavior at higher temperatures $T>0.1$K and its possible sensitivity to quasi-particle excitations are discussed.
description: 5 pages, two figures
Behavioural Data Collection from Maternal and nourishment factors interact to influence offspring developmental trajectories in social wasps
Creators: name: Jandt, Jennifer M.
name: Sainath Suryanarayanan
name: Hermanson, John C.
name: Jeanne, Robert L.
name: Toth, Amy L.
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Developmental Biology
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: The social and nutritional environments during early development have the potential to affect offspring traits, but the mechanisms and molecular underpinnings of these effects remain elusive. We used Polistes fuscatus paper wasps to dissect how maternally controlled factors (vibrational signals and nourishment) interact to induce different caste developmental trajectories in female offspring, leading to worker or reproductive (gyne) traits. We established a set of caste phenotype biomarkers in P. fuscatus females, finding that gyne-destined individuals had high expression of three caste-related genes hypothesized to have roles in diapause and mitochondrial metabolism. We then experimentally manipulated maternal vibrational signals (via artificial ‘antennal drumming’) and nourishment levels (via restricted foraging). We found that these caste-related biomarker genes were responsive to drumming, nourishment level or their interaction. Our results provide a striking example of the potent influence of maternal and nutritional effects in influencing transcriptional activity and developmental outcomes in offspring.
Gap-labelling conjecture with nonzero magnetic field
Creators: name: Benameur, Moulay Tahar
name: Mathai, Varghese
Publisher: name: arXiv
Year: 2015
Subjects: subject: Spectral Theory (math.SP)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Mathematical Physics (math-ph)
subject: Differential Geometry (math.DG)
subject: Operator Algebras (math.OA)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 58J50

description: Given a constant magnetic field on Euclidean space ${\mathbb R}^p$ determined by a skew-symmetric $(p\times p)$ matrix $Θ$, and a ${\mathbb Z}^p$-invariant probability measure $μ$ on the disorder set $Σ$ which is by hypothesis a Cantor set, where the action is assumed to be minimal, the corresponding Integrated Density of States of any self-adjoint operator affiliated to the twisted crossed product algebra $C(Σ) \rtimes_σ{\mathbb Z}^p$, where $σ$ is the multiplier on ${\mathbb Z}^p$ associated to $Θ$, takes on values on spectral gaps in the magnetic gap-labelling group. The magnetic frequency group is defined as an explicit countable subgroup of $\mathbb R$ involving Pfaffians of $Θ$ and its sub-matrices. We conjecture that the magnetic gap labelling group is a subgroup of the magnetic frequency group. We give evidence for the validity of our conjecture in 2D, 3D, the Jordan block diagonal case and the periodic case in all dimensions.
description: 43 pages. Exposition improved
PDF [DOWNLOAD] A World of Yoga: 700 Asanas for Mindfulness and Well-Being by Leo Lourdes, Yogasphere Global on Iphone
Creators: name: Smith
Publisher: name: Zenodo
Year: 2024

description: A World of Yoga: 700 Asanas for Mindfulness and Well-Being by Leo Lourdes, Yogasphere Global

 

 

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A World of Yoga: 700 Asanas for Mindfulness and Well-Being

Leo Lourdes, Yogasphere Global

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The role of palladin in actin organization and cell motility
Creators: name: Arneman, Daniel
name: Goicoechea, Silvia M.
name: Otey, Carol A.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: Palladin is a widely expressed protein found in stress fibers, focal adhesions, growth cones, Z-discs, and other actin-based subcellular structures. It belongs to a small gene family that includes the Z-disc proteins myopalladin and myotilin, all of which share similar Ig-like domains. Recent advances have shown that palladin shares with myotilin the ability to bind directly to F-actin, and to crosslink actin filaments into bundles, in vitro. Studies in a variety of cultured cells suggest that the actin-organizing activity of palladin plays a central role in promoting cell motility. Correlative evidence also supports this hypothesis, as palladin levels are typically upregulated in cells that are actively migrating: in developing vertebrate embryos, in cells along a wound edge, and in metastatic cancer cells. Recently, a mutation in the human palladin gene was implicated in an unusually penetrant form of inherited pancreatic cancer, which has stimulated new ideas about the role of palladin in invasive cancer.
Background modeling for dark matter search with 1.7 years of COSINE-100 data
Creators: name: Adhikari, G.
name: Adhikari, P.
name: de Souza, E. Barbosa
name: Carlin, N.
name: Choi, J. J.
name: Choi, S.
name: Djamal, M.
name: Ezeribe, A. C.
name: Franca, L. E.
name: Ha, C.
name: Hahn, I. S.
name: Jeon, E. J.
name: Jo, J. H.
name: Kang, W. G.
name: Kauer, M.
name: Kim, G. S.
name: Kim, H.
name: Kim, H. J.
name: Kim, K. W.
name: Kim, N. Y.
name: Kim, S. K.
name: Kim, Y. D.
name: Kim, Y. H.
name: Ko, Y. J.
name: Kudryavtsev, V. A.
name: Lee, E. K.
name: Lee, H. S.
name: Lee, J.
name: Lee, J. Y.
name: Lee, M. H.
name: Lee, S. H.
name: Leonard, D. S.
name: Lynch, W. A.
name: Manzato, B. B.
name: Maruyama, R. H.
name: Neal, R. J.
name: Olsen, S. L.
name: Park, H. K.
name: Park, H. S.
name: Park, K. S.
name: Pitta, R. L. C.
name: Prihtiadi, H.
name: Ra, S. J.
name: Rott, C.
name: Shin, K. A.
name: Scarff, A.
name: Spooner, N. J. C.
name: Thompson, W. G.
name: Yang, L.
name: Yu, G. H.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We present a background model for dark matter searches using an array of NaI(Tl) crystals in the COSINE-100 experiment that is located in the Yangyang underground laboratory. The model includes background contributions from both internal and external sources, including cosmogenic radionuclides and surface $^{210}$Pb contamination. To build the model in the low energy region, with a threshold of 1 keV, we used a depth profile of $^{210}$Pb contamination in the surface of the NaI(Tl) crystals determined in a comparison between measured and simulated spectra. We also considered the effect of the energy scale errors propagated from the statistical uncertainties and the nonlinear detector response at low energies. The 1.7 years COSINE-100 data taken between October 21, 2016 and July 18, 2018 were used for this analysis. Our Monte Carlo simulation provides a non-Gaussian peak around 50 keV originating from beta decays of bulk $^{210}$Pb in a good agreement with the measured background. This model estimates that the activities of bulk $^{210}$Pb and $^{3}$H are dominating the background rate that amounts to an average level of 2.85$\pm$0.15 counts/day/keV/kg in the energy region of (1-6) keV, using COSINE-100 data with a total exposure of 97.7 kg$\cdot$years.
(3310) Rachel M Mirfin
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Descriptive Statistics from Maternal and nourishment factors interact to influence offspring developmental trajectories in social wasps.
Creators: name: Jandt, Jennifer M.
name: Sainath Suryanarayanan
name: Hermanson, John C.
name: Jeanne, Robert L.
name: Toth, Amy L.
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Developmental Biology
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: Mean ± standard error (sample size) for all results reported in the text. Raw data files related to colony size, lipid stores, and gene expression have been submitted to Dryad. http://datadryad.org/
Early Adverse Experience Increases Emotional Reactivity in Juvenile Rhesus Macaques: Relation to Amygdala Volume
Creators: name: Shi, Yundi
name: Sanchez, Mar M.
name: Maestripieri, Dario
name: Mccormack, Kai M.
name: Grand, Alison P.
name: Howell, Brittany R.
name: Styner, Martin A.
name: Laprarie, Jamie L.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: This study investigated the impact of infant maltreatment on juvenile rhesus monkeys’ behavioral reactivity to novel stimuli and its associations with amygdala volume. Behavioral reactivity to novel stimuli of varying threat intensity was measured using Approach/Avoidance (AA) and Human Intruder (HI) tasks. In vivo magnetic resonance imaging (MRI) was used to measure amygdala volume. Interestingly, group behavioral differences were context-dependent. When exposed to a human intruder, maltreated subjects displayed more anxious behaviors than controls; however, when presented with fear-evoking objects, maltreated animals exhibited increased aggression and a shorter latency to inspect the objects. Finally, under testing conditions with the lowest levels of threat (neutral novel objects) maltreated animals also showed shorter latencies to inspect objects, and reduced avoidance and increased exploration compared to controls. This suggests alterations in threat assessment and less behavioral inhibition in animals with early adverse experience compared to controls. Some of these behavioral responses were associated with amygdala volume, which was positively correlated with abuse rates received during infancy, particularly reflecting a relationship with exploration, consistent with previous studies.
A Pilot Survey for CIII] Emission in the Reionization Era: Gravitationally-Lensed z$\sim7-8$ Galaxies in the Frontier Fields Cluster Abell 2744
Creators: name: Zitrin, Adi
name: Ellis, Richard S.
name: Belli, Sirio
name: Stark, Dan P.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report results of a search for CIII] $λλ$1907,1909 Å emission using Keck's MOSFIRE spectrograph in a sample of 7 $z_{phot}\sim7-8$ candidates ($H\sim27$) lensed by the Hubble Frontier Field cluster Abell 2744. Earlier work has suggested the promise of using the CIII] doublet for redshift confirmation of galaxies in the reionization era given $Lyα$ ($λ$1216 Å) is likely attenuated by the neutral intergalactic medium. The primary challenge of this approach is the feasibility of locating CIII] emission without advanced knowledge of the spectroscopic redshift. With an integration time of 5 hours in the H-band, we reach a $5σ$ median flux limit (in between the skylines) of $1.5\times10^{-18}$ ergs cm$^{-2}$ sec$^{-1}$ but no convincing CIII] emission was found. We also incorporate preliminary measurements from two other CLASH/HFF clusters in which, similarly, no line was detected, but these were observed to lesser depth. Using the known distribution of OH emission and the photometric redshift likelihood distribution of each lensed candidate, we present statistical upper limits on the mean total CIII] rest-frame equivalent width for our $z\simeq7-8$ sample. For a signal/noise ratio of 5, we estimate the typical CIII] doublet rest-frame equivalent width is, with 95\% confidence, $<26\pm5$ Å. Although consistent with the strength of earlier detections in brighter objects at $z\simeq6-7$, our study illustrates the necessity of studying more luminous or strongly-lensed examples prior to the launch of the James Webb Space Telescope.
description: 7 pages, 4 figures, 1 table; accepted for publication in ApJ Letters
Patterns formed in a thin film with spatially homogeneous and non-homogeneous Derjaguin disjoining pressure
Creators: name: Alshaikhi, A. S.
name: Grinfeld, M.
name: Wilson, S. K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences
subject: 74K35 (Primary), 35B32 (Secondary)

description: We consider patterns formed in a two-dimensional thin film on a planar substrate with a Derjaguin disjoining pressure and periodic wettability stripes. We rigorously clarify some of the results obtained numerically by Honisch et al. and embed them in the general theory of thin-film equations. For the case of constant wettability, we elucidate the change in the global structure of branches of steady state solutions as the average film thickness and the surface tension are varied. Specifically we find, by using methods of local bifurcation theory and the continuation software package AUTO, both nucleation and metastable regimes. We discuss admissible forms of spatially non-homogeneous disjoining pressure, arguing for a form that differs from the one used by Honisch et al. , and study the dependence of the steady state solutions on the wettability contrast in that case.
description: 25 pages, 13 figures