2,258 research outputs found

    Developing the formal structures of artistic practice-as-research

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    In this article I discuss a topic that is emerging as a valuable paradigm for creative practitioners - practice-as-research. There is some controversy over this term that, I believe, goes to the heart of our understanding of the nature of knowledge. The controversy relates to the idea that practice and research are two inherently different types of activity and therefore that it impossible to engage in one ‘as’ the other. Tim Ingold’s (2011) work on the anthropology of knowledge and skill alongside a broader stream of work on cognition and perception (see for example Lakoff & Johnson 2003 and Gibson 1979) suggests that both artistic practice and academic research involve ‘puzzle-solving… carried on within the context of involvement in a real world of persons, objects and relations.’ (Ingold 2011, p.419). The argument revolves around the notion that there is no such thing as disembodied or abstract knowledge and that all knowledge is both embodied and personally related to the world one inhabits. As such, the written word provides a schematic system for representing the much richer communication processes of speech and bodily experience. The written word, however, can only be understood through reference to our lived experience. Lave (1990, p.310) has termed this ‘understanding in practice’ as a knowledge ‘based on rich expectations generated over time about its shape’ (Lave 1990, p.323). Scholarly research outputs and their modes of publication are still firmly entrenched in the printed word. I will explore strategies for communicating the non-verbal knowledge that forms the basis of much practice-as-research

    Creative Relations

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    Through reporting about a project with male home carers, I’m going to present some of the interactions which took place between myself (as the artist) and the participants as we got to know each other, and became part of each other’s lives. The text takes the form of a series of extracts taken directly from my own personal journals followed by a commentary on each. These have been selected to highlight the similarities between Ingold’s descriptions of creativity and Kester’s model for a dialogical aesthetic, which highlights key points in the engagement processes of a socially engaged artist. These reflective notes, made while the experiences were still fresh in my mind, help to illustrate the impact not only on the participants but also upon the artist as a participant in the social process

    Amazing shapes : chirality

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    The use of songs to help learning of content is consistent with multi-sensory models of learning. Here, a song to the tune of “Amazing Grace” can be used in the classroom to enhance the learning of chirality and the Cahn-Ingold-Prelog priority rules

    Examination of Electron Transfer Mechanism of Cyanidin

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    Cyanidin, as one important plant pigment, was theoretically (at M05-2X/6-311+G(d,p) level of theory) investigated for its ability to scavenge potentially, highly damaging hydroxyl radical. Free radical scavenging of cyanidin was studied through electron transfer mechanism – ET (the second step in SPLET mechanism) in water and ethanol, as solvents. Examination was performed using density functional theory (DFT) and Marcus theory. Based on the thermochemical and kinetic data, it is clear that O‒H group of cyanidin in position 3` is the most suitable for reaction with hydroxyl radical through mentioned antioxidant mechanism

    Superconductor-Insulator Transition in a Capacitively Coupled Dissipative Environment

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    We present results on disordered amorphous films which are expected to undergo a field-tuned Superconductor-Insulator Transition.The addition of a parallel ground plane in proximity to the film changes the character of the transition.Although the screening effects expected from "dirty-boson" theories are not evident,there is evidence that the ground plane couples a certain type of dissipation into the system,causing a dissipation-induced phase transition.The dissipation due to the phase transition couples similarly into quantum phase transition systems such as superconductor-insulator transitions and Josephson junction arrays.Comment: 4 pages, 4 figure

    ROP of vic-disubstituted lactones: A diastereoselective way to polymerize

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    For this work, at first we have studied the acid catalysed lactonization of several γ-hydroxyesters, bearing methyl substituents at different positions. A 1H-NMR kinetic study of this set of monomethyl and/or gem-dimethyl substituted esters in CDCl3 was carried out. We evaluated the effect of the leaving group (ethyl vs. i-propyl ester) and the catalyst efficiency. We found that i) a monomethyl substitution produces a lowering of the energy barrier similar to that of a gem-dimethyl substitution (Thorpe–Ingold effect), ii) the ring closure of i-propyl esters is slower than that of ethyl esters, iii) strong acids are more efficient than weak acids according to the Brønsted relationship, and iv) the Thorpe– Ingold effect is not just an intrinsic feature of the linear precursor but it depends on the catalyst as well.[1,2] FASTER Now, we would like to give an explanation and clarify three issues: i) how is the cyclization affected by the vicinal substitution? ii) is the effect stereospecific, that is to say, dependent on the diastereomeric relation (syn or anti) between the two vicinal substituents? iii) is it possible to observe a stereospecific effect in the Ring Opening Polymerization (ROP) of lactones as well? Preliminaries studies on model compounds indicate that the vic-disubstituent effect is not only stereospecific, since the anti linear precursors undergo to the cyclisation reaction much faster than the corresponding syn diastereoisomers, but it is more efficient than the above mentioned Thorpe-Ingold effect. Please click Additional Files below to see the full abstract

    The Meservey-Tedrov effect in FSF double tunneling junctions

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    Double tunneling junctions of ferromagnet-superconductor-ferromagnet electrodes (FSF) show a jump in the conductance when a parallel magnetic field reverses the magnetization of one of the ferromagnetic electrodes. This change is generally attributed to the spin-valve effect or to pair breaking in the superconductor because of spin accumulation. In this paper it is shown that the Meservey-Tedrov effect causes a similar change in the conductance since the magnetic field changes the energy spectrum of the quasi-particles in the superconductor. A reversal of the bias reverses the sign in the conductance jump
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