handle: 11104/0284180
Despite the growing number of reported FeIVO complexes, an unambiguous experimental characterization of their redox properties, such as one-electron reduction potentials, remains a challenging task. To this aim, we describe an efficient and straightforward theoretical protocol for accurate calculations of redox potentials and calibrate the protocol on a set of diverse 37 mononuclear nonheme iron (NHFe) redox couples. It is shown that the methodology, further applied to a set of 10 FeIVO species, not only serves for near-quantitative predictions of reduction potentials, but also is an elegant tool for interpretation of the experimental electrochemical data. The general need for such a computational methodology is illustrated on the prototypical example of the (N4Py)FeIVO complex, whose electrochemistry has been studied for many years and still raises many questions.
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citations | 15 | |
popularity | Top 10% | |
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handle: 11104/0276615
Report brings data about situation of women researchers between 2005 and 2015. Along with standard data about researchers by field and sector of performance, about students and academic employees in higher education and women in decision making, it contains data about newly employed researchers, information about situation in regions, about foreign researchers and about the number of scientific awards awarded to men and women.
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handle: 11104/0210555
The aim of the paper was to determine erosion effects of pulsating water jet impinging the surface of metal sample. The influence of repeated impacts of water pulses and impact velocity (operating pressure) on the erosion of metal surface was investigated. The development of erosion pattern with respect to number of impacts was analysed and discussed. It was found that erosion caused by repeated impacts of water pulses occurs in three stages. The stage of erosion of the surface can be determined by the behaviour of surface characteristics (such as Ra and Rz) with respect to number of impacts of pulsating water jet.
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handle: 11104/0211758
In this paper we give the necessary and sufficient conditions on the weight function for boundedness of the quasi-linear and integral operators with Oinarov' kernel on the cones of monotone functions on the semiaxis.
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AbstractFlow cytometric analysis and sorting of plant mitotic chromosomes has been mastered by only a few laboratories worldwide. Yet, it has been contributing significantly to progress in plant genetics, including the production of genome assemblies and the cloning of important genes. The dissection of complex genomes by flow sorting into the individual chromosomes that represent small parts of the genome reduces DNA sample complexity and streamlines projects relying on molecular and genomic techniques. Whereas flow cytometric analysis, that is, chromosome classification according to fluorescence and light scatter properties, is an integral part of any chromosome sorting project, it has rarely been used on its own due to lower resolution and sensitivity as compared to other cytogenetic methods. To perform chromosome analysis and sorting, commercially available electrostatic droplet sorters are suitable. However, in order to resolve and purify chromosomes of interest the instrument must offer high resolution of optical signals as well as stability during long runs. The challenge is thus not the instrumentation, but the adequate sample preparation. The sample must be a suspension of intact mitotic metaphase chromosomes and the protocol, which includes the induction of cell cycle synchrony, accumulation of dividing cells at metaphase, and release of undamaged chromosomes, is time consuming and laborious and needs to be performed very carefully. Moreover, in addition to fluorescent staining chromosomal DNA, the protocol may include specific labelling of DNA repeats to facilitate discrimination of particular chromosomes. This review introduces the applications of chromosome sorting in plants, and discusses in detail sample preparation, chromosome analysis and sorting to achieve the highest purity in flow‐sorted fractions, and their suitability for downstream applications.
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citations | 21 | |
popularity | Top 10% | |
influence | Average | |
impulse | Top 10% |
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handle: 11104/0316984
Abstract Fish stocking is one of the most widespread and frequent management strategies in freshwater systems. However, the contribution of stocked fish to the population is seldom investigated, and hence the effectiveness of this strategy is virtually unknown for many populations. Understanding the contribution of stocked fish into the population is crucial because it allows the disentanglement of the confounding effects generated by allochthonous individuals into the estimation of survival and growth rates of the population. To discriminate between the allochthonous and autochthonous individuals in a population, the shape of sagittae otoliths from pikeperch (Sander lucioperca) where compared. Results indicated significant differences among stocked and non-stocked fish, with the former having smaller and wider sagittae otoliths than the latter. Our results suggest that this technique can be used to discriminate the natal origin of fish in a much faster and cheaper way than commonly used techniques.
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citations | 5 | |
popularity | Top 10% | |
influence | Average | |
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handle: 11104/0290178
We experimentally probe electron collisions with HC3N in the energy range from 0 to 10 eV with the focus on vibrational excitation and dissociative electron attachment. The vibrational excitation cross sections show a number of resonances which are mode specific: the two dominant π∗ resonances are visible in the excitation of all the vibrational modes. However, broad σ∗ resonances are visible only in certain bond-stretching vibrational modes. The lower π∗ resonance shows a pronounced boomerang structure. Since it overlaps with the threshold peak originating from a long-range electron-molecule interaction, the interference pattern is rather unusual. Somewhat surprisingly, the boomerang structure is visible also in the elastic scattering cross section. The dissociative electron attachment cross sections agree qualitatively with the data of Gilmore and Field [J. Phys. B 48, 035201 (2015)]. However, approximately a factor of two difference is found in the absolute values.
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handle: 11104/0223519
We consider a stationary viscous incompressible flow around a translating and rotating body. Optimal rates of decay are derived for the velocity and its gradient, on the basis of a representation formula involving a fundamental solution constructed by R.B. Guenther and E.A. Thomann [The fundamental solution of the linearized Navier–Stokes equations for spinning bodies in three spatial dimensions – time dependent case, J. Math. Fluid Mech. 8 (2006) 77–98], for a linearized system.
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citations | 12 | |
popularity | Average | |
influence | Average | |
impulse | Top 10% |
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handle: 11104/0312426
This article is devoted to the derivation and analysis of a system of partial differential equations modeling a diffuse interface flow of two Newtonian incompressible magnetic fluids. The system consists of the incompressible Navier-Stokes equations coupled with an evolutionary equation for the magnetization vector and the Cahn-Hilliard equations. We show global in time existence of weak solutions to the system using the time discretization method.
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citations | 4 | |
popularity | Top 10% | |
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impulse | Average |
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handle: 11104/0357877
Abstract2‐Bromo‐1‐(3,3‐dinitroazetidin‐1‐yl)ethan‐1‐one (RRx‐001) is a hypoxic cell chemotherapeutics with already demonstrated synergism in combined chemo‐radiation therapy. The interaction of the compound with secondary low‐energy electrons formed in large amounts during the physico‐chemical phase of the irradiation may lead to these synergistic effects. The present study focuses on the first step of RRx‐001 interaction with low‐energy electrons in which a transient anion is formed and fragmented. Combination of two experiments allows us to disentangle the decay of the RRx‐001 anion on different timescales. Sole presence of the electron initiates rapid dissociation of NO2 and HNO2 neutrals while NO2− and Br− anions are produced both directly and via intermediate complexes. Based on our quantum chemical calculations, we propose that bidirectional state switching between π*(NO2) and σ*(C−Br) states explains the experimental spectra. The fast dynamics monitored will impact the condensed phase chemistry of the anion as well.
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citations | 0 | |
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handle: 11104/0284180
Despite the growing number of reported FeIVO complexes, an unambiguous experimental characterization of their redox properties, such as one-electron reduction potentials, remains a challenging task. To this aim, we describe an efficient and straightforward theoretical protocol for accurate calculations of redox potentials and calibrate the protocol on a set of diverse 37 mononuclear nonheme iron (NHFe) redox couples. It is shown that the methodology, further applied to a set of 10 FeIVO species, not only serves for near-quantitative predictions of reduction potentials, but also is an elegant tool for interpretation of the experimental electrochemical data. The general need for such a computational methodology is illustrated on the prototypical example of the (N4Py)FeIVO complex, whose electrochemistry has been studied for many years and still raises many questions.
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citations | 15 | |
popularity | Top 10% | |
influence | Average | |
impulse | Top 10% |
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handle: 11104/0276615
Report brings data about situation of women researchers between 2005 and 2015. Along with standard data about researchers by field and sector of performance, about students and academic employees in higher education and women in decision making, it contains data about newly employed researchers, information about situation in regions, about foreign researchers and about the number of scientific awards awarded to men and women.
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citations | 0 | |
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influence | Average | |
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handle: 11104/0210555
The aim of the paper was to determine erosion effects of pulsating water jet impinging the surface of metal sample. The influence of repeated impacts of water pulses and impact velocity (operating pressure) on the erosion of metal surface was investigated. The development of erosion pattern with respect to number of impacts was analysed and discussed. It was found that erosion caused by repeated impacts of water pulses occurs in three stages. The stage of erosion of the surface can be determined by the behaviour of surface characteristics (such as Ra and Rz) with respect to number of impacts of pulsating water jet.
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citations | 0 | |
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influence | Average | |
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handle: 11104/0211758
In this paper we give the necessary and sufficient conditions on the weight function for boundedness of the quasi-linear and integral operators with Oinarov' kernel on the cones of monotone functions on the semiaxis.