cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Analysis of sequential steps of nucleotide excision repair in Escherichia coli using synthetic substrates containing single psoralen adducts
Creators: name: Sancar, A
name: Gamper, H
name: Van Houten, B
name: Hearst, J E
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: Escherichia coli ABC excinuclease initiates the removal of dodecanucleotides from damaged DNA in an ATP-dependent reaction. Using a synthetic DNA fragment containing a psoralen adduct at a defined position we have investigated the interaction of the components of the enzyme with substrate by DNase I footprinting. We find that the UvrA subunit binds to DNA specifically in the absence of cofactors and that the binding affinity is stimulated about 4-fold by ATP and only marginally inhibited by ADP. The UvrA.DNA complexes formed in the absence of co-factors or in the presence of either ATP or ADP are remarkably similar. In contrast, adenosine 5'-O-(thiotriphosphate) increases nonspecific binding and completely abolishes the UvrA footprint. The UvrB subunit can associate with the UvrA subunit on DNA in the absence of ATP, but this ternary UvrA.UvrB.DNA complex is qualitatively different from that formed in the presence of ATP. The UvrC subunit elicits no additional change in the UvrA-UvrB footprint. Helicase II (UvrD protein) does not alter the UvrA-UvrB footprint but does appear to interact at the 5'-incision site of the postincision complex. DNA polymerase I fills in the excision gap in the presence or absence of helicase II and apparently releases the ABC excinuclease from the repaired DNA. Nearly 90% of the repair patches are 12 nucleotides long, and this length is not affected by helicase II. We see no evidence by DNase I footprinting for the formation of a multiprotein complex encompassing the UvrA, -B, -C, and -D proteins and DNA polymerase I.
Pheidole hoplitica Wilson, 2003, new species
Creators: name: Wilson, E. O.
Publisher: name: Harvard University Press
Year: 2003
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Pheidole
Pheidole hoplitica

description: Pheidole hoplitica new species
Types Mus. Comp. Zool. Harvard.
etymology Gr hoplitica, referring to the hoplite, a heavily armed soldier of ancient Greece.
diagnosis A member of the " pilifera complex" of the larger pilifera group, comprising calens, californica, carrolli, cavigenis, clementensis, creightoni, hoplitica, littoralis, micula, pilifera, rugulosa, senex, soritis, tepicana, and torosa, which complex is characterized by the following traits. Major: dorsal head surface extensively sculptured; occipital lobes horizontally rugulose (or, in carrolli smooth, in littoralis foveate, and in micula and soritis carinulate); postpetiole from above diamond-shaped, trapezoidal, or spinose. Minor: eye medium-sized to large.
P. hoplitica is distinguished within the complex, including cavigenis, which it most resembles, by the following combination of traits. Major: posterior dorsal profde of head markedly concave; occiput partly rugoreticulate; carinulae that originate from around frontal triangle turn outward near the center of the head toward the occipital corners; promesonotum strongly convex, almost semicircular in profde; postpetiolar node in side view wide and broadly rounded, not narrow and abruptly rounded.
Minor: head and sides of pronotum smooth and shining, not densely sculptured and opaque; some of the hairs of the promesonotal dorsal surface clavate.
measurements (mm) Holotype major: HW 1.24, HL 1.52, SL 0.60, EL 0.22, PW 0.70.
Paratype minor: HW 0.50, HL 0.56, SL 0.46, EL 0.14, PW 0.32.
Color Major: light reddish brown.
Minor: brownish yellow.
Range Known only from the type locality.
Biology Unknown.
Figure Upper: holotype, major. Lower: paratype, minor. TEXAS: Starr County (W. Cloyd). Scale bars = 1 mm.
description: Published as part of Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA :Harvard University Press on page 579
Direct visualization of RecA protein binding to and unwinding duplex DNA following the D-loop cycle
Creators: name: GRIFFITH, J
name: REGISTER, J.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: On montre que l'addition de l'ADN double brin au mélange réactionnel contenant l'ADN simple brin, l'ADN double brin et la protéine recA, après la réalisation du cycle boucle-D, induit la formation de joint. Après la réalisation du cycle de la boucle D, l'ADN double brin complexe avec la protéine recA peut être fixé à la glutéraldéhyde et visualisé par microscopie électronique.
Optimal Multicast of Tiled 360 VR Video
Creators: name: Guo, Chengjun
name: Cui, Ying
name: Liu, Zhi
Publisher: name: arXiv
Year: 2018
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: In this letter, we study optimal multicast of tiled 360 virtual reality (VR) video from one server (base station or access point) to multiple users. We consider random viewing directions and random channel conditions, and adopt time division multiple access (TDMA). For given video quality, we optimize the transmission time and power allocation to minimize the average transmission energy. For given transmission energy budget, we optimize the transmission time and power allocation as well as the encoding rate of each tile to maximize the received video quality. These two optimization problems are challenging non-convex problems. We obtain globally optimal closed-form solutions of the two non-convex problems, which reveal important design insights for multicast of tiled 360 VR video. Finally, numerical results demonstrate the advantage of the proposed solutions.
description: 4 pages, 3 figures, to be published in IEEE Wireless Communications Letters
Vector mesons in the Extended Chiral Quark Model
Creators: name: Andrianov, A. A.
name: Espriu, D.
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We extend our previous formulation of low-energy QCD in terms of an effective lagrangian containing operators of dimensionality $d\le 6$ constructed with pseudoscalars and quark fields, describing physics below the scale of chiral symmetry breaking. We include in this paper the vector and axial-vector channels. We follow closely the Extended Chiral Quark Model approach and consistently work in the large-$N_c$ and leading log approximation and take into account the constraints from chiral symmetry and chiral symmetry restoration. The optimal fit of all parameters gives further support to a heavy scalar meson with a mass $\sim 1$ GeV and a value of the axial pion-quark coupling constant $g_A \simeq 0.55$ to 0.66, depending on some assumptions concerning the Weinberg sum rules.
description: 19 pages, Latex, JHEP class, more typos removed, few refs.added
Ecological service provided by cover crops on agroecosystem mycorrhization: the MA% indicator
Creators: name: Trinchera, Alessandra
Publisher: name: Zenodo
Year: 2019
Subjects: Mycorrhization, cover crop, rye, spelt, AMF network

description: Oral presentation - Session 7 "Soil microbial functional diversity enhanced by cropping system diversification" - European Congress on Crop Diversification - ECCD 2019 (18-21 September 2019, Budapest (Hungary)
Interacting electrons in disordered potentials: Conductance versus persistent currents
Creators: name: Berkovits, Richard
name: Avishai, Yshai
Publisher: name: arXiv
Year: 1995
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: An expression for the conductance of interacting electrons in the diffusive regime as a function of the ensemble averaged persistent current and the compressibility of the system is presented. This expression involves only ground-state properties of the system. The different dependencies of the conductance and persistent current on the electron-electron interaction strength becomes apparent. The conductance and persistent current of a small system of interacting electrons are calculated numerically and their variation with the strength of the interaction is compared. It is found that while the persistent current is enhanced by interactions, the conductance is suppressed.
description: REVTeX, 4 pages, 3 figures, all uuencoded, accepted for publication in PRL
Shell Model Monte Carlo studies of neutron-rich nuclei in the 1s-0d-1p-0f shells
Creators: name: Dean, D. J.
name: Ressell, M. T.
name: Hjorth-Jensen, M.
name: Koonin, S. E.
name: Langanke, K.
name: Zuker, A. P.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We demonstrate the feasibility of realistic Shell-Model Monte Carlo (SMMC) calculations spanning multiple major shells, using a realistic interaction whose bad saturation and shell properties have been corrected by a newly developed general prescription. Particular attention is paid to the approximate restoration of translational invariance. The model space consists of the full sd-pf shells. We include in the study some well-known T=0 nuclei and several unstable neutron-rich ones around N=20,28. The results indicate that SMMC can reproduce binding energies, B(E2) transitions, and other observables with an interaction that is practically parameter free. Some interesting insight is gained on the nature of deep correlations. The validity of previous studies is confirmed.
description: 22 pages + 7 postscript figures
Remarks upon the mass oscillation formulas
Creators: name: De Leo, Stefano
name: Ducati, Gisele
name: Rotelli, Pietro
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The standard formula for mass oscillations is often based upon the approximation $t \approx L$ and the hypotheses that neutrinos have been produced with a definite momentum $p$ or, alternatively, with definite energy $E$. This represents an inconsistent scenario and gives an unjustified reduction by a factor of two in the mass oscillation formulas. Such an ambiguity has been a matter of speculations and mistakes in discussing flavour oscillations. We present a series of results and show how the problem of the factor two in the oscillation length is not a consequence of gedanken experiments, i.e. oscillations in time. The common velocity scenario yields the maximum simplicity.
description: 9 pages, AMS-TeX
A New Proof Concerning Quasi-Tilted Algebras
Creators: name: Zito, Stephen
Publisher: name: arXiv
Year: 2018
Subjects: subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 16G10, 16G60

description: Let $Λ$ be a quasi-tilted algebra. If $Λ$ is representation-finite, it was shown by Happel, Reiten, and Smalø that $Λ$ is tilted. We provide a new, short proof of this result.
description: 5 pages. arXiv admin note: text overlap with arXiv:1805.10563
Escherichia coli DNA helicase I catalyzes a unidirectional and highly processive unwinding reaction.
Creators: name: Lahue, E E
name: Matson, S W
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: Helicase I has been purified to greater than 95% homogeneity from an F+ strain of Escherichia coli, and characterized as a single-stranded DNA-dependent ATPase and a helicase. The duplex DNA unwinding reaction requires a region of ssDNA for enzyme binding and concomitant nucleoside 5'-triphosphate hydrolysis. All eight predominant nucleoside 5'-triphosphates can satisfy this requirement. Unwinding is unidirectional in the 5' to 3' direction. The length of duplex DNA unwound is independent of protein concentration suggesting that the unwinding reaction is highly processive. Kinetic analysis of the unwinding reaction indicates that the enzyme turns over very slowly from one DNA substrate molecule to another. The ATP hydrolysis reaction is continuous when circular partial duplex DNA substrates are used as DNA effectors. When linear partial duplex substrates are used ATP hydrolysis is barely detectable, although the kinetics of the unwinding reaction on linear partial duplex substrates are identical to those observed using a circular partial duplex DNA substrate. This suggests that ATP hydrolysis fuels continuous translocation of helicase I on circular single-stranded DNA while on linear single stranded DNA the enzyme translocates to the end of the DNA molecule where it must slowly dissociate from the substrate molecule and/or slowly associate with a new substrate molecule, thus resulting in a very low rate of ATP hydrolysis.
Additional file 2 of Intensity of perinatal care, extreme prematurity and sensorimotor outcome at 2 years corrected age: evidence from the EPIPAGE-2 cohort study
Creators: name: Morgan, Andrei S.
name: L’Helias, Laurence Foix
name: Diguisto, Caroline
name: Marchand-Martin, Laetitia
name: Kaminski, Monique
name: Khoshnood, Babak
name: Zeitlin, Jennifer
name: Bréart, Gérard
name: Durrmeyer, Xavier
name: Goffinet, François
name: Pierre-Yves Ancel
Publisher: name: figshare
Year: 2018
Subjects: subject: Biochemistry
subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology
subject: Science Policy

description: S2 Appendix. Methods for multiple imputation. (PDF 84 kb)
Re-Evaluation of the Elastic Scattering of Supersymmetric Dark Matter
Creators: name: Ellis, John
name: Ferstl, Andrew
name: Olive, Keith A.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We examine the cross sections for the elastic scattering of neutralinos $χ$ on nucleons $p,n$, as functions of $m_χ$ in the constrained minimal supersymmetric standard model. We find narrow bands of possible values of the cross section, that are considerably lower than some previous estimates. The constrained model is based on the minimal supergravity-inspired framework for the MSSM, with universal scalar and gaugino masses $m_0, m_{1/2}$, and $μ$ and the MSSM Higgs masses treated as dependent parameters. We explore systematically the region of the $(m_{1/2}, m_0)$ plane where LEP and other accelerator constraints are respected, and the relic neutralino density lies in the range $0.1 \le Ω_χ h^2 \le 0.3$ preferred by cosmology. We update previous discussions of both the spin-independent and -dependent scattering matrix elements on protons and neutrons, using recent analyses of low-energy hadron experiments.
description: 16 pages, latex, 14 eps figures
MOESM3 of Flower strip networks offer promising long term effects on pollinator species richness in intensively cultivated agricultural areas
Creators: name: Buhk, Constanze
name: Oppermann, Rainer
name: Schanowski, Arno
name: Bleil, Richard
name: LĂźdemann, Julian
name: Maus, Christian
Publisher: name: figshare
Year: 2018
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Marine Biology
subject: Plant Biology

description: Additional file 3. Seed mixtures used for the flower-strips between 2011 and 2015. For the chronology of use see Additional file 2.
Pheidole inquilina
Creators: name: Wilson, E. O.
Publisher: name: Harvard University Press
Year: 2003
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Pheidole
Pheidole inquilina

description: Pheidole inquilina (Wheeler)
Epipheidole inquilina Wheeler 1903h: 664. Combination m Pheidole by Cole 1965: 174.
Types Mus. Comp. Zool. Harvard.
etymology L inquilina, temporary guest, lodger.
diagnosis A permanent social parasite of Pheidole pilifera (including " subspecies coloradensis "). The queen is very small, and easily recognized by her subangulate occipital corners. Aside from these two traits, and possibly the rounded tips of the propodeal spines, inquilina queens are little modified in general from typical queens of other, non-parasitic species of Pheidole. Measurements (mm) Syntype queen: HW 0.70, HL 0.70, SL 0.64, EL 0.24, PW (not measured). Color Queen: light brown.
Range Colorado, Nebraska, and Nevada: rare (Wheeler 1910b; M. R. Smith 1940a; Gregg 1963; d. R. Smith 1979). In Colorado, inquilina occurs at about 2000 m.
biology In Colorado Pheidole inquilina was found by Wheeler with the host species P. pilifera (" subspecies coloradensis ") at about 2000 m, under rocks most likely in pinyon-cedar-oak woodland. The species is the least anatomically modified of the pheidoline social parasites. It is therefore not very surprising that both the major and minor workers have been discovered in addition to the usual queens and males. However, these castes are evidently in a state of evolutionary decline. In 19 infested nests of the host species excavated by A. C. Cole (1965), 8 contained a few individuals of inquilina; and of these, one nest yielded only a single minor worker of inquilina, while another contained one minor and one major. M. R. Smith (1940a) noted the close resemblance of the worker castes between the two species, and suggested that inquilina was derived in evolution from pilifera or a related species. In other words, Emery's rule that social parasites are close relatives of their hosts is exemplified.
figure Syntype, queen. COLORADO: Broadmoor, Colorado Springs, 2000 m (William M. Wheeler). (Majors and minors have been discovered but are not figured; see under Biology below.) Scale bar = 1 mm.
description: Published as part of Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA :Harvard University Press on page 580
Insertion and extension of acyclic, dideoxy, and ara nucleotides by herpesviridae, human alpha and human beta polymerases. A unique inhibition mechanism for 9-(1,3-dihydroxy-2-propoxymethyl)guanine triphosphate.
Creators: name: The University of North Carolina at Chapel Hill University Libraries
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: The ability of human alpha and beta DNA polymerases and herpes simplex virus type 2 (HSV-2) and human cytomegalovirus (HCMV) DNA polymerases to insert and extend several nucleotide analogs has been investigated using a variation of Sanger-Coulson DNA sequencing technology. The analogs included the triphosphates of two antiviral nucleosides with incomplete sugar rings: 9-(1,3-dihydroxy-2-propoxymethyl)guanine (dhpG) and 9-(2-hydroxyethoxymethyl)guanine (acyG or acyclovir), as well as dideoxy and arabinosyl nucleoside triphosphates. Three pairs of contrasting behaviors were found, each pair distinguishing the two human polymerases from the two viral ones: first, extension behavior with araNTPs; second, insertion/extension behavior with dhpGTP; and third, the relative preference for insertion of ddGTP versus acyGTP. The relative level of insertion of the nucleotide analogs by HCMV and HSV-2 DNA polymerases was dhpGTP greater than (acyGTP and araNTP) greater than ddGTP, whereas by human alpha polymerase it was araATP greater than ddGTP much greater than (acyGTP and dhpGTP) and by human beta polymerase it was (araATP and ddGTP) much greater than (acyGTP and dhpGTP). Evidence is presented for three mechanisms of inhibition by extendible nucleotides (of dhp and ara types) exhibiting frequent internalization: araATP acted as a simple pseudoterminator of alpha and beta polymerases, but was easily extended past singlet sites by Herpesviridae polymerases and only stalled at sites requiring two or more araATP insertions in a row. Herpesviridae polymerases stalled after adding dhpGMP and one additional nucleotide, suggesting that polymerase translocation problems may be a factor in polymerase inhibition by modified sugar nucleotide analogs. The amino acid sequence of the human alpha DNA polymerase, which is acyGTP resistant, was found to vary by one amino acid from the amino sequences of the Herpesviridae polymerases in a region of significant similarity and probable functional homology. Amino acid differences at that same site differentiate acyclovir-resistant HSV-1 mutants from the acyclovir-sensitive HSV-1 wild type.
Chiral Limit of Nuclear Physics
Creators: name: BULGAC, Aurel
name: MILLER, Gerald A.
name: STRIKMAN, Mark
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study nuclear physics in the chiral limit ($m_u$, $m_d=0$) in which the pion mass vanishes. We find that the deuteron mass is changed little, but that P--wave nucleon--nucleon scattering volumes are infinite. This motivates an investigation of the possibilities that there could be a two--nucleon $^3P_0$ bound state, and that the nuclear matter ground state is likely to be a condensed state of nucleons paired to those quantum numbers. However, the short distance repulsion in the nucleon--nucleon potential is not affected by the chiral limit and prevents such new chiral possibilities. Thus the chiral limit physics of nuclei is very similar to that of nature. Using the chiral limit to simplify QCD sum rule calculations of nuclear matter properties seems to be a reasonable approximation.
description: 9 pages, 1 figure, submitted to Phys. Rev C
Kinetics and mechanism of microtubule length changes by dynamic instability.
Creators: name: Breidenbach, Scott
name: Ruhlen, Richard
name: Caplow, Michael
name: Shanks, John
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: Microtubules at steady state were found to undergo dramatic changes in length, with only very little change in number concentration and mean length. This result is accounted for by a mechanism in which microtubules are capped at ends by tubulin-GTP subunits; loss of the tubulin-GTP cap at one end results in disassembly of all the tubulin-GDP subunits, so that the medial edge of the distal tubulin-GTP cap is exposed; the exposed tubulin-GTP cap is sufficiently stable, so that microtubule regrowth from the cap rather than loss of the cap occurs. This mechanism predicts that a bell-shaped length distribution of sheared microtubules will be transiently bimodal, with peaks of short and moderate length microtubules, in rearranging to an exponential length distribution. We have observed the predicted transient bimodal length distribution experimentally and in a Monte Carlo simulation. Dynamic instability has recently been accounted for by assuming that microtubule ends are capped with only a single tubulin-GTP subunit at each end of the five helices that serve as elongation sites. Such a minimal tubulin-GTP cap is apparently ruled out by our observations, which require that the remnant tubulin-GTP cap generated from disassembly be able to serve as nucleating site; we do not expect that a stable nucleating site can be generated from five tubulin-GTP subunits, oriented as the five helices that serve as elongation sites.
Long-term phorbol ester treatment down-regulates protein kinase C and sensitizes the phosphoinositide signaling pathway to hormone and growth factor stimulation. Evidence for a role of protein kinase C in agonist-induced desensitization.
Creators: name: The University of North Carolina at Chapel Hill University Libraries
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: Exposure of a nontransformed, continuous line of epithelial cells derived from rat liver (WB cells) to epidermal growth factor, angiotensin II, [Arg8]vasopressin, and epinephrine resulted in rapid accumulation of the inositol phosphates (InsP) InsP1, InsP2, and InsP3. Although short-term (5-60 min) pretreatment of WB cells with the phorbol ester 4 beta-phorbol 12 beta-myristate 13 alpha-acetate (PMA) markedly attenuated InsP accumulation in response to all agonists, the inhibitory effects on the InsP response were lost after 2 h incubation with PMA; and, with extended (6-24 h) preincubation, a time-dependent potentiation of the InsP response to angiotensin II, epidermal growth factor and [Arg8]vasopressin was observed. The InsP response during a 15-min challenge with angiotensin II in cells pretreated for 18 h with 600 nM and 10 microM PMA was increased by 2-3-fold and 4-6-fold, respectively. Long-term (18 h) treatment with 600 nM and 10 microM PMA caused a similar 90-100% loss of measurable Ca2+/phospholipid-dependent enzyme (protein kinase C) activity in cytosolic and soluble particulate fractions. The effects of long-term PMA pretreatment do not represent a general enhancement of hormone responsiveness since the InsP response to epinephrine was not affected. In control cells, the InsP response to angiotensin II and epinephrine desensitized very rapidly. Long-term pretreatment with PMA greatly reduced the contribution of agonist-induced desensitization to the angiotensin II response; in contrast, the extent of desensitization occurring during incubation of WB cells with epinephrine was unaltered by long-term treatment with PMA suggesting that an additional mechanism may be involved in alpha 1-adrenergic receptor desensitization. No PMA-induced change in resting levels of [3H]phosphoinositides or the metabolism of exogenous [3H]inositol 1,4,5-trisphosphate by WB homogenates occurred. Stimulation of InsP formation in intact cells by NaF and activation of phospholipase C by GTP gamma S in membranes both were unaltered by short-term or long-term PMA pretreatment. These data are consistent with the idea that following long-term treatment of WB cells with PMA, the occurrence of agonist-induced desensitization of receptors linked to the phosphoinositide/Ca2+ signaling system is reduced, apparently at least in part due to the loss of contribution of a negative feedback regulatory role of protein kinase C.
Decay of heavy-light hybrids in HQET sum rules
Creators: name: Huang, Tao
name: Jin, Hongying
name: Zhang, Ailin
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The decay widths of the 0^{++} and 1^{-+} heavy-light hybrids to B(D) and pion are calculated by using the QCD sum rules. The interpolated current of the hybrid is chosen as $g\bar qγ_αG_{αμ}^aT^ah_{\it v}(x)$. In order to simplify the calculation and avoid the ambiguity of three-point correlation function, a two-point correlation function between the pion and vacuum is used instead. The decay width of the $0^{++}\to B(D)$ is about 12(16) MeV while the $1^{-+}\to B(D)$ is around 0.4(1.8) MeV. We keep the leading order of 1/M_Q expansion in our calculation for convenience.
description: 14 pages, latex file, 4 ps figs, Published version, some numerical results changed
Upgrade of the ALICE central barrel tracking detectors: ITS and TPC
Creators: name:  Gasik Fo The ALICE Collaboration
Publisher: name: arXiv
Year: 2018
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The ALICE Collaboration will undertake a major upgrade of the detector apparatus during the second LHC Long Shutdown LS2 (2019-2020) in view of the Runs 3 and 4 (2021-2029). The objective of the upgrade is two-fold: i) an improvement of the tracking precision and efficiency, in particular in the low-momentum range; ii) an improvement of the readout capabilities of the experiment, in order to fully exploit the luminosity for heavy ions envisaged after LS2. The first goal will be achieved by replacing the Inner Tracking System with a new tracker, composed of seven layers of silicon pixel detectors. The new tracker will be made up of about 25000 Monolithic Active Pixel Sensors with fast readout, resulting in a material thickness reduced to 0.3% (inner layers) - 1% (outer layers) of the radiation length and a granularity of $28\times28$ $μ$m$^2$. The second goal will be achieved, among other measures, by replacing the readout chambers of the 90 m$^3$ Time Projection Chamber with Micro Pattern Gaseous Detectors. In particular, the new readout chambers will consist of stacks of 4 Gas Electron Multiplier foils combining different hole pitches. The upgraded detector will operate continuously without the use of a triggered gating grid. It will thus be able to record all Pb--Pb collisions at the LHC interaction rate of 50 kHz.
description: Submitted to Nuclear Physics A, 4 pages, 2 figures
Multidimensional diffusion modes and collision frequencies of cytochrome c with its redox partners
Creators: name: The University of North Carolina at Chapel Hill University Libraries
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: Les auteurs ont déterminé les modalités et les vitesses de diffusion du cytochrome c ainsi que les fréquences de collision du cytochrome c avec ses partenaires redox à la surface d'une membrane interne mitochondriale isolée et en fonction de la force ionique (0-150 mM).
Pion-Nucleon Scattering in the Infinite Momentum Frame
Creators: name: Miller, Gerald. A.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A light front field theory treatment of a chiral lagrangian is applied to pion-nucleon and nucleon-nucleon scattering.
description: 7 pages, two figures, text of invited talk presented at the 7th Int'l Symposium On Meson-Nucleon Physics and the Structure of the Nucelon, July 28 - August 1, 1997 in Vancouver, B.C., Canada
Additional file 2: of Comparative transcriptomics between high and low rubber producing Taraxacum kok-saghyz R. plants
Creators: name: Panara, Francesco
name: Lopez, Loredana
name: Daddiego, Loretta
name: Fantini, Elio
name: Facella, Paolo
name: Perrotta, Gaetano
Publisher: name: figshare
Year: 2018
Subjects: subject: Biochemistry
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Figure S1. Average rubber content (% w/w) of the accessions analyzed. Figure S2. The gene ontology (GO) distributions of the unigenes. Figure S3. Enzyme Code distributions (EC) of the unigenes for the six main classes of enzymes. Figure S4. KEGG pathway classification map. Figure S5. Comparison of HR/LR ratios (expressed as log2) produced with RNA-Seq and qRT-PCR of 27 selected genes. Figure S6. Sequence alignment of contigs presenting sequence homology with HMGCRs. Figure S7. Phylogenetic relationship of HMGRs. Figure S8. Phylogenetic relationship of SRPPs/REFs. Figure S9. Phylogenetic relationship of CPTs/CPTLs. Figure S10. Expression of contigs involved in phenylpropanoid and flavonoid biosynthesis, and belonging to CYP80â 81-82 and RAP (Root allergen protein) categories in HR compared to LR and Y11 plants. (PDF 1638 kb)
Doped planar quantum antiferromagnets with striped phases
Creators: name: Neto, A. H. Castro
name: Hone, Daniel
Publisher: name: arXiv
Year: 1995
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We study the properties of the striped phases that have been proposed for the doped cuprate planar quantum antiferromagnets. We invoke an effective, spatially anisotropic, non-linear sigma model in two space dimensions. Our theoretical predictions are in {\it quantitative} agreement with recent experiments. We focus on (i) the staggered magnetization at $T=0$ and (ii) the Néel temperature, as functions of doping; these have been measured recently in La${}_{2-x}$ Sr${}_x$ Cu O${}_4$ with $0 \leq x \leq 0.018$. Good agreement with experiment is obtained using parameters determined previously and independently for this system. These results support the proposal that the low doping (antiferromagnetic) phase of the cuprates has a striped configuration.
description: 4 pages, RevteX, 2 figures, new references added, minor changes in wording and corrections of some formulas
Modules projectifs de type fini, applications linéaires croisées et inverses généralisés
Creators: name: Díaz--Toca, Gema M.
name: Gonzalez-Vega, Laureano
name: Lombardi, Henri
name: Quitté, Claude
Publisher: name: arXiv
Year: 2018
Subjects: subject: Commutative Algebra (math.AC)
subject: FOS: Mathematics
subject: 13C10, 13P05, 14Q20

description: We give a general theory of generalised inverses and we explain the link with the theory of finitely generated projective modules. All the paper is written in constrctive mathematics in Bishop style. So all results do have a clear algorithmic content. We give also a complexity analysis of the algorihms corresponding to the main theorems. Here is a more detailed abstract in french: D'une part, nous développons la théorie générale des inverses généralisés de matrices en la mettant en rapport avec la théorie constructive des modules projectifs de type fini. D'autre part nous précisons certains aspects de cette théorie liés au calcul formel et à l'analyse numérique matricielle. Nous démontrons en particulier qu'on peut tester si un $\bf A$-module de présentation finie est projectif et calculer une matrice de projection correspondante "en temps polynomial". Plus précisément pour une matrice $A\in {\bf A}^{m \times n}$ on peut décider s'il existe un inverse généralisé $B$ pour $A$ (i.e. une matrice $B$ vérifiant $ABA=A$ et $BAB=B$) et, en cas de réponse positive, calculer un tel inverse généralisé par un algorithme qui utilise $O(p^6\,q^{2})$ opérations arithmétiques (avec $p=\inf(m,n)$, $q=\sup(m,n)$) et un nombre polynomial de tests d'appartenance d'un élément à un idéal engendré par "un petit nombre d'éléments".
description: in French. version plus d\'etaill\'ee de l'article paru au Journal of Algebra {\bf 303} (2006) 450--475
Zt and γt production via top flavour-changing neutral couplings at the Fermilab Tevatron
Creators: name: del Aguila, F.
name: Aguilar-Saavedra, J. A.
name: Ametller, Ll.
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Associated single top production with a Z boson or a photon at large hadron colliders provides a precise determination of top flavour-changing neutral couplings. The best way to measure these couplings with the up quark at Tevatron is to search for events with three jets and missing energy or events with a photon, a charged lepton, a jet and missing energy. Other decay channels are also discussed.
description: LaTeX 20 pages, 7 PS figures. Version to be published in Phys. Lett. B with some typos corrected, minor numerical changes and a reference added
Purification of a 31,000-dalton insulin-like growth factor binding protein from human amniotic fluid. Isolation of two forms with different biologic actions.
Creators: name: Busby, W H
name: Clemmons, D R
name: Klapper, D G
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: Human amniotic fluid has been shown to contain a protein that binds insulin-like growth factor I and II (IGF-I and IGF-II). Partially purified preparations of this protein have been reported to inhibit the biologic actions of the IGFs. In these studies our laboratory has used a modified purification procedure to obtain a homogeneous preparation of this protein as determined by polyacrylamide gel electrophoresis and amino acid sequence analysis. During purification the ion exchange chromatography step resulted in two peaks of material with IGF binding activity termed peaks B and C. Each peak was purified separately to homogeneity. Both peaks were estimated to be 31,000 daltons by polyacrylamide gel electrophoresis and their amino acid compositions were nearly identical. Amino acid sequence analysis showed that both peaks had identical N-terminal sequences through the first 28 residues. Neither protein had detectable carbohydrate side chains and each had a similar affinity for radiolabeled IGF-I (1.7-2.2 x 10(10) liters/mol). In contrast, these two forms had marked differences in bioactivity. Concentrations of peak C material between 2 and 20 ng/ml inhibited IGF-I stimulation of [3H]thymidine incorporation into smooth muscle cell DNA. In contrast, when peak B (100 ng/ml) was incubated with IGF-I there was a 4.4-fold enhancement of stimulation of DNA synthesis. Additionally, pure peak B was shown to adhere to cell surfaces, whereas peak C was not adherent. The non-adherent peak C inhibited IGF-I binding to its receptor and to adherent peak B. We conclude that human amniotic fluid contains two forms of IGF binding protein that have very similar physiochemical characteristics but markedly different biologic actions. Since both have similar if not identical amino acid compositions, N-terminal sequences, and do not contain carbohydrate, we conclude that they differ in some other as yet undefined post-translational modification.
Pheidole littoralis Cole
Creators: name: Wilson, E. O.
Publisher: name: Harvard University Press
Year: 2003
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Pheidole
Pheidole littoralis

description: Pheidole littoralis Cole
Pheidole sitarches littoralis Cole 1952b: 443. Raised to species level by Naves 1985: 64.
Types Amer. Mus. Nat. Hist.; Nat. Mus. Nat. Hist. U.S.; Mus. Comp. Zool. Harvard.
Etymology L littoralis, of the shore, referring to the habitat at the type locality.
diagnosis A member of the " pilifera complex" of the larger pilifera group, comprising calens, californica, carrolli, cavigenis, clementensis, creightoni, hoplitica, littoralis, micula, pilifera, polymorpha, rugulosa, senex, soritis, tepicana, torosa, which complex is characterized by the following traits. Major: dorsal head surface extensively sculptured; occipital lobes horizontally rugulose (or, in carrolli smooth, in littoralis foveate, and in micula and soritis carinulate; postpetiole from above diamond-shaped, trapezoidal, or spinose. Minor: eye medium-sized to large.
P. littoralis is easily distinguished within the complex by the following combination of traits.
Major: occiput not rugulose, but covered with conspicuous foveae; anterior and lateral margins of pronotum rugoreticulate; mesonotum longitudinally carinulate; triangular subpostpetiolar process present; postpetiole from above diamond-shaped.
Minor: most of head, mesosoma, and waist foveolate and opaque.
Measurements (mm) Paratype major: HW 1.40, HL 1.52, SL 0.56, EL 0.20, PW 0.58.
Paratype minor: HW 0.58, HL 0.50, SL 0.42, EL 0.12, PW 0.28.
color Major: gaster plain medium to dark brown; remainder of body, and appendages, reddish brown. Minor: most of body light brown, with dark brown gaster and brownish yellow appendages.
Range Apparently limited to central Florida.
biology Naves (1985) and Stefan Cover (unpublished) found littoralis very common nesting in white-sand scrub at the Archbold Field Station near Lake Placid, Florida, and close to colonies of adrianoi and metallescens. The excavations are relatively very deep, beneath crescentic crater mounds, and the colonies small. A granary chamber filled with seeds is always found 10 to 20 cm beneath the surface.
Figure Upper: paratype, major. Lower: paratype, minor. FLORIDA: Lido Beach, Sarasota. Scale bars = 1 mm.
description: Published as part of Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA :Harvard University Press on page 581
A simultaneous understanding of jet and hadron suppression
Creators: name: Casalderrey-Solana, Jorge
name: Hulcher, Zachary
name: Milhano, Guilherme
name: Pablos, Daniel
name: Rajagopal, Krishna
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the context of the hybrid strong/weak coupling model for jet quenching, we perform a global fit to hadron and jet data in the most central bins both at RHIC and LHC. The qualitative and quantitative success of the analysis is attributed to the fact that the model correctly captures the fact that wider jets lose, on average, more energy than the narrower ones, to which high energy hadrons belong. We show how one can understand the relative jet and hadron suppression by analyzing the jet fragmentation functions, and also discuss the role of plasma finite resolution effects.
description: 4 pages, 2 figures, Quark Matter 2018 proceedings
Role of isospin dependent mean field in pion production in heavy ion reactions
Creators: name: Maheswari, V. S. Uma
name: Fuchs, C.
name: Faessler, Amand
name: Wang, Z. S.
name: Kosov, D. S.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The importance of a isospin dependent nuclear mean field (IDMF) in regard to the pion production mechanism is studied for the reaction $Au+Au$ at 1 GeV/nucleon using the Quantum Molecular Dynamics (QMD) model. In particular, the effect of the IDMF on pion spectra and the charged pion ratio are analyzed. It is found that the inclusion of a IDMF considerably suppresses the low$-p_t$ pions, thus, leading to a better agreement with the data on pion spectra. Moreover, the rapidity distribution of the charged pion ratio appears to be sensitive to the isospin dependence of the nuclear mean field.
description: 16 pages, using RevTex, 6 PS-Figures
MOESM2 of Flower strip networks offer promising long term effects on pollinator species richness in intensively cultivated agricultural areas
Creators: name: Buhk, Constanze
name: Oppermann, Rainer
name: Schanowski, Arno
name: Bleil, Richard
name: LĂźdemann, Julian
name: Maus, Christian
Publisher: name: figshare
Year: 2018
Subjects: subject: Cell Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Developmental Biology
subject: Plant Biology

description: Additional file 2. Chronology of seeding of the flower strips in the enhancement areas in Dettenheim and RheinmĂźnster. Spring sowing took place between April to the beginning of May, autumn sowing between September and the beginning of October. Annual seed mixtures are marked in light green, mixtures remaining over winter in middle dark green and perennial mixtures in dark green. If seed mixtures did not develop well, e.g. after the dry spring in 2013; even perennial mixtures were re-seeded earlier than planned. Sowing in autumn turned out very helpful to eliminate noxious weeds that germinate in spring and provided early flowering species for early flying pollinators.
Long range neutrino forces in the cosmic relic neutrino background
Creators: name: Ferrer, F.
name: Grifols, J. A.
name: Nowakowski, M.
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Neutrinos mediate long range forces among macroscopic bodies in vacuum. When the bodies are placed in the neutrino cosmic background, these forces are modified. Indeed, at distances long compared to the scale $T^{-1}$, the relic neutrinos completely screen off the 2-neutrino exchange force, whereas for small distances the interaction remains unaffected.
description: 8 pages, 2 figures
Pheidole macclendoni Wheeler
Creators: name: Wilson, E. O.
Publisher: name: Harvard University Press
Year: 2003
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Pheidole
Pheidole macclendoni

description: Pheidole macclendoni Wheeler
Pheidole macclendoni Wheeler 1908h: 450.
Types Amer. Mus. Nat. Hist.; Mus. Comp. Zool. Harvard.
Etymology Eponymous.
diagnosis A member of the " bicarinata complex" of the larger pilifera group, comprising agricola, aurea, barbata, bicarinata, centeotl, cerebrosior, defecta, gilvescens, macclendoni, macrops, marcidula, micula, paiute, pinealis, vinelandica, xerophila, yaqui, and yucatana, which complex is characterized by the large to very large, forward-set eyes of both castes, especially the minor; and, in the major, the occipital lobes lacking any sculpturing (except in aurea); the posterior half of the head capsule almost entirely smooth and shiny; and the postpetiolar node seen from above oval, elliptical, or laterally angulate (cornulate in cerebrosior). P. macclendoni is distinguished by the presence of a supermajor in addition to the major caste and is further distinguished by the following traits.
Major: long, thin propodeal spine; prominent humeral lobe in dorsal-oblique view; bell-shaped postpetiolar node seen from above. Supermajor: lacks sculpturing on the posterior half of the head.
Minor: propodeal spines reduced to denticles; humerus subangulate in dorsal-oblique view; very low postpetiolar node in side view; bell-shaped postpetiolar node seen from above.
Measurements (mm) Lectotype major: HW 1.50, HL 1.60, SL 0.82, EL 0.26, PW 0.74. Paralectotype supermajor: HW 2.74, HL 2.58, SL 1.02, EL 0.34,. PW (not measured). Paralectotype minor: HW 0.62, HL 0.64, SL 0.60, EL 0.18, PW 0.38. Color Major: reddish yellow, gaster a slightly contrasting yellowish brown. Supermajor: concolorous reddish yellow.
Minor: body light brown, appendages a lighter shade of yellowish brown.
Range Evidently scarce, recorded from Arizona, as well as central and western Texas.
Biology In western Texas Moody and Francke (1982) discovered two colonies nesting in open soil and one beneath a clump of grass. Winged queens were found by William S. Creighton at Dryden, Texas, on 29 December.
Figure Upper: lectotype, major (body and full head), Corsicana, in Navarro Co. near Dallas, Texas. Paralectotype, supermajor (partial head only), Benson, Cochise Co., Arizona. Lower: paralectotype, minor, Laredo, Webb Co., Texas. Scale bars = 1 mm.
description: Published as part of Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA :Harvard University Press on page 582
Additional file 2: of Tailored axillary surgery with or without axillary lymph node dissection followed by radiotherapy in patients with clinically node-positive breast cancer (TAXIS): study protocol for a multicenter, randomized phase-III trial
Creators: name: Henke, Guido
name: Knauer, Michael
name: Ribi, Karin
name: Hayoz, Stefanie
name: Marie-Aline GĂŠrard
name: Ruhstaller, Thomas
name: Zwahlen, Daniel
name: Muenst, Simone
name: Ackerknecht, Markus
name: Hawle, Hanne
name: Fitzal, Florian
name: Gnant, Michael
name: Zoltan MĂĄtrai
name: Ballardini, Bettina
name: Gyr, Andreas
name: Kurzeder, Christian
name: Weber, Walter
Publisher: name: figshare
Year: 2018
Subjects: subject: Space Science
subject: Medicine
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology
subject: Cancer
subject: Hematology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: SPIRIT checklist. (DOCX 58 kb)